#weather-fluid-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 60;
}

.fluid-lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin: 4px 0 16px;
}
.fluid-lab-button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line, rgba(0, 0, 0, 0.08));
  background: var(--surface, rgba(255, 255, 255, 0.6));
  color: var(--text, #2f261d);
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s ease, transform 0.15s ease, background 0.15s ease;
}
.fluid-lab-button:hover {
  border-color: var(--line-strong, rgba(0, 0, 0, 0.18));
  transform: translateY(-1px);
}
.fluid-lab-button:active {
  transform: translateY(0);
}
.fluid-lab-button strong {
  font-size: 14px;
  font-weight: 600;
}
.fluid-lab-type {
  font-size: 11px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--text-dim, #8f7d6b);
  letter-spacing: 0.02em;
}
.fluid-lab-note {
  font-size: 12px;
  color: var(--text-soft, #5f5347);
  line-height: 1.4;
}
.fluid-lab-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
}
.fluid-lab-meta {
  font-size: 12px;
  color: var(--text-dim, #8f7d6b);
}

:root {
  --bg: #f6f2ea;
  --bg-soft: #f3efe8;
  --surface: rgba(255, 252, 247, 0.98);
  --surface-strong: #fffdfa;
  --surface-muted: #f5f1eb;
  --main-bg: #fdfcfa;
  --rail-bg: rgba(247, 242, 234, 0.96);
  --topbar-bg: rgba(250, 248, 245, 0.97);
  --line: rgba(103, 84, 64, 0.14);
  --line-strong: rgba(103, 84, 64, 0.24);
  --text: #2f261d;
  --text-soft: #5f5347;
  --text-dim: #8f7d6b;
  --success: #5f8e6a;
  --warning: #b58552;
  --danger: #c26f67;
  --shadow: 0 16px 42px rgba(86, 67, 46, 0.08);
  --shadow-soft: 0 8px 22px rgba(86, 67, 46, 0.05);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Avenir Next", "SF Pro Display", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  overflow: hidden;
}

button,
textarea,
input {
  font: inherit;
}

button {
  border: 0;
  background: none;
  color: inherit;
}

textarea {
  resize: none;
}

#app {
  height: 100dvh;
}

svg {
  display: block;
}

.shell {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  height: 100dvh;
  background: transparent;
  transition: grid-template-columns 0.2s ease;
}

.shell[data-theme="dark"] {
  --bg: #151515;
  --bg-soft: #171717;
  --surface: rgba(30, 33, 35, 0.96);
  --surface-strong: #24282a;
  --surface-muted: #202426;
  --main-bg: #151515;
  --rail-bg: #182126;
  --topbar-bg: #20282d;
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #f4f0e8;
  --text-soft: #d4cec4;
  --text-dim: #9d968c;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.26);
  --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.2);
  color-scheme: dark;
  background: var(--main-bg);
  color: var(--text);
}
.shell.sidebar-expanded {
  grid-template-columns: 240px minmax(0, 1fr);
}

/* Global top bar — spans both columns */
.global-top-bar {
  grid-column: 1 / -1;
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: calc(var(--safe-top) + 8px) 16px 8px 14px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--line);
  z-index: 50;
  min-height: 50px;
}

/* ── Sidebar (collapsed: icon-only, expanded: icon + label) ── */
.rail {
  position: relative;
  z-index: 40;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  padding: 10px 5px;
  border-right: 1px solid var(--line);
  background: var(--rail-bg);
  overflow: hidden;
  overflow-y: auto;
  transition: padding 0.2s ease;
}
.shell.sidebar-expanded .rail {
  padding: 8px 8px;
}

.rail-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
}
.shell.sidebar-expanded .rail-group {
  align-items: stretch;
}

.rail-button,
.ghost-button,
.ghost-icon-button,
.settings-tab,
.suggestion-chip,
.tool-action,
.composer-icon-button,
.send-button,
.toggle-button,
.switch-toggle {
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease, opacity 160ms ease;
}

/* ── Nav Item (sidebar button) ── */
.rail-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--text-soft);
  background: transparent;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
}
.rail-button svg { width: 18px; height: 18px; flex-shrink: 0; }
.rail-button:hover { background: rgba(0, 0, 0, 0.05); color: var(--text); }
.rail-button.active { background: rgba(0, 0, 0, 0.07); color: var(--text); font-weight: 600; }

/* Expanded: show labels, stretch full width */
.shell.sidebar-expanded .rail-button {
  width: 100%;
  justify-content: flex-start;
  padding: 0 12px;
  gap: 12px;
}

.rail-button .nav-label {
  display: none;
}
.shell.sidebar-expanded .rail-button .nav-label {
  display: inline;
}

/* ── Sidebar toggle (hamburger) — hidden, replaced by global top-bar ── */
.rail-toggle {
  display: none;
}

/* ── Sidebar separator ── */
.rail-sep { height: 1px; background: var(--line); margin: 6px 4px; }

/* ── Character mark in sidebar ── */
.rail-character-mark {
  width: 18px; height: 18px; border-radius: 5px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 800; flex-shrink: 0;
  line-height: 1;
}

.ghost-icon-button,
.composer-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  color: var(--text-soft);
  background: transparent;
}

.ghost-button,
.settings-tab,
.tool-action,
.toggle-button,
.switch-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.76);
  color: var(--text-soft);
  cursor: pointer;
  white-space: nowrap;
}

.ghost-button,
.settings-tab,
.tool-action,
.toggle-button {
  padding: 10px 14px;
}

.rail-button:hover,
.ghost-button:hover,
.ghost-icon-button:hover,
.settings-tab:hover,
.suggestion-chip:hover,
.tool-action:hover,
.composer-icon-button:hover,
.send-button:hover,
.toggle-button:hover,
.switch-toggle:hover {
  transform: translateY(-1px);
}

.rail-button:hover,
.ghost-icon-button:hover,
.rail-button.active,
.ghost-button:hover,
.settings-tab:hover,
.settings-tab.active,
.tool-action:hover,
.composer-icon-button:hover,
.toggle-button:hover,
.switch-toggle:hover {
  background: rgba(255, 255, 255, 0.88);
  border-color: var(--line);
}

.rail-button.active,
.settings-tab.active,
.toggle-button.on,
.switch-toggle.on {
  color: var(--text);
  border-color: var(--line-strong);
  box-shadow: 0 6px 16px rgba(86, 67, 46, 0.08);
}

.shell.sidebar-expanded .rail-button,
.shell.sidebar-expanded .rail-button.active {
  border-color: transparent;
  box-shadow: none;
}

.shell.sidebar-expanded .rail-button.active {
  background: transparent;
  color: var(--text);
  font-weight: 650;
}

.shell.sidebar-expanded .rail-button:hover {
  border-color: transparent;
  background: rgba(0, 0, 0, 0.035);
}

.shell.sidebar-expanded .rail-button.active:hover {
  background: transparent;
}

.rail-button svg,
.ghost-button svg,
.ghost-icon-button svg,
.tool-action svg,
.composer-icon-button svg,
.suggestion-chip svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rail-character-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
}

.rail-character-mark-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.rail-character-greet-dot {
  position: absolute;
  top: -3px;
  right: -3px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #e74c3c;
  border: 2px solid var(--rail-bg, #fbf8f3);
  box-shadow: 0 0 0 1px rgba(42, 32, 22, 0.08);
}

.panel-scrim {
  position: fixed;
  inset: 0;
  z-index: 28;
  background: rgba(111, 93, 73, 0.18);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.role-panel {
  position: fixed;
  left: 84px;
  top: 16px;
  bottom: 16px;
  width: min(320px, calc(100vw - 112px));
  z-index: 34;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 252, 247, 0.96);
  box-shadow: var(--shadow);
  transform: translateX(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.role-panel.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}

.role-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 22px 20px 12px;
}

.panel-kicker {
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.role-panel-head h2,
.settings-header h2 {
  margin: 6px 0 0;
  font-size: 28px;
  letter-spacing: -0.04em;
}

.role-panel-copy {
  margin: 0;
  padding: 0 20px 14px;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.65;
}

.role-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 0 14px 14px;
}

.role-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  width: 100%;
  padding: 14px 12px;
  border-radius: 18px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.role-row + .role-row {
  margin-top: 6px;
}

.role-row:hover,
.role-row.active {
  background: var(--role-soft, rgba(255, 255, 255, 0.86));
  border-color: var(--role-border, var(--line));
}

.role-swatch {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-radius: 999px;
  background: var(--role-ink, var(--text-soft));
  box-shadow: 0 0 0 5px var(--role-soft, rgba(255, 255, 255, 0.86));
}

.role-main {
  min-width: 0;
}

.role-name,
.role-preview,
.role-current,
.role-unread {
  display: block;
}

.role-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--role-ink, var(--text));
}

.role-preview {
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.role-side {
  display: flex;
  align-items: center;
}

.role-current,
.role-unread,
.mini-pill,
.message-note {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 11px;
}

.role-current,
.mini-pill {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  color: var(--text-soft);
}

.role-unread {
  min-width: 24px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--text);
  border: 1px solid var(--line);
}

.main-shell {
  position: relative;
  grid-row: 2;
  min-width: 0;
  height: 100%;
  background: var(--main-bg);
  overflow: hidden;
  --composer-height: 188px;
}

.main-shell::before,
.main-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 240ms ease, filter 240ms ease;
}

.main-shell::before {
  background-image: var(--home-background-image);
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

.main-shell::after {
  background: radial-gradient(ellipse at center, transparent 0%, transparent 68%, rgba(246, 244, 240, 0.16) 100%);
}

.main-shell[data-view="home"][data-home-background-enabled="true"][data-home-background-kind="image"]::before {
  opacity: 1;
  filter: none;
}

.main-shell[data-view="home"][data-home-background-enabled="true"][data-home-background-kind="image"]::after {
  opacity: 1;
}

.main-shell[data-view="home"][data-home-background-enabled="true"] .home-view {
  z-index: 1;
}

.main-shell[data-view="home"][data-home-background-enabled="true"][data-home-background-kind="image"] .home-title,
.main-shell[data-view="home"][data-home-background-enabled="true"][data-home-background-kind="image"] .home-dev-greeting-text {
  text-shadow: 0 2px 20px rgba(255, 255, 255, 0.62);
}

.home-view,
.chat-view,
.settings-view {
  position: absolute;
  inset: 0;
  min-width: 0;
  min-height: 0;
  height: 100%;
}

.home-view {
  display: block;
  padding: 0 40px;
  text-align: center;
}

.home-stage {
  position: absolute;
  left: 50%;
  top: max(112px, calc(50% - 160px));
  width: min(900px, calc(100% - 136px));
  transform: translateX(-50%);
  transition: top 0.4s ease, transform 0.4s ease;
}

.main-shell.home-timeline-active[data-view="home"] .home-stage {
  transform: translate(-50%, -62px);
}

/* 2026-05-04 #1: 当头像下方 greeting 文本（home-dev-greeting-text）渲染高度 ≥ 1.5 行
   （视觉折行）时、让 home-stage 微微上浮 -32px、腾出 greeting 第二行的空间。
   幅度比 timeline 的 -62px 更小、因为 greeting 文本只多 1 行、不需要那么大让位。 */
.main-shell.home-greeting-tall[data-view="home"] .home-stage {
  transform: translate(-50%, -32px);
}
.main-shell.home-timeline-active.home-greeting-tall[data-view="home"] .home-stage {
  transform: translate(-50%, -78px);  /* timeline -62 + greeting -16 ≈ -78 */
}

.main-shell.dev-active .home-stage {
  top: calc(50% - 180px);
}

.home-meta {
  display: block;
  margin-top: 12px;
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.5;
  transform: translateY(4px);
}

.home-time-table {
  --home-time-accent: #8fb9ff;
  --home-time-accent-soft: rgba(147, 197, 253, 0.2);
  width: min(560px, calc(100vw - 168px));
  margin: 0 auto;
  color: var(--text);
  text-align: left;
  opacity: 0.94;
  cursor: default;
  animation: home-time-in 520ms ease both;
  transition: opacity 180ms ease;
}

.home-time-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

.home-time-head-main {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  white-space: nowrap;
}

.home-time-kicker,
.home-time-next {
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0;
}

.home-time-next {
  max-width: 56%;
  overflow: hidden;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.home-time-clock {
  color: var(--home-time-accent);
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.home-time-track {
  position: relative;
  height: 62px;
  margin-top: 6px;
}

.home-time-track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 17px;
  height: 2px;
  border-radius: 999px;
  background: rgba(21, 18, 14, 0.12);
}

.home-time-fill {
  position: absolute;
  left: 0;
  top: 17px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--home-time-accent) 46%, transparent), var(--home-time-accent));
  transition: width 460ms ease;
}

.home-time-nodes {
  position: absolute;
  inset: 0;
}

.home-time-node {
  position: absolute;
  top: 0;
  width: 66px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  color: var(--text-faint);
  font-size: 11px;
  line-height: 1;
  text-align: center;
  transform: translateX(-50%);
  transition: color 220ms ease, opacity 220ms ease, transform 220ms ease;
}

.home-time-node.is-start {
  align-items: flex-start;
  text-align: left;
  transform: translateX(0);
}

.home-time-node.is-end {
  align-items: flex-end;
  text-align: right;
  transform: translateX(-100%);
}

.home-time-dot {
  width: 7px;
  height: 7px;
  margin-top: 14px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.62);
}

.home-time-node-label {
  margin-top: 5px;
  color: currentColor;
  font-weight: 700;
}

.home-time-node-clock {
  color: var(--text-faint);
  font-family: "SF Mono", "Cascadia Mono", Consolas, monospace;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.home-time-node.is-past {
  color: color-mix(in srgb, var(--home-time-accent) 58%, var(--text-dim));
}

.home-time-node.is-current {
  color: var(--home-time-accent);
  transform: translateX(-50%);
}

.home-time-node.is-current.is-start {
  transform: translateX(0);
}

.home-time-node.is-current.is-end {
  transform: translateX(-100%);
}

.home-time-node.is-current .home-time-dot {
  width: 9px;
  height: 9px;
  margin-top: 13px;
  box-shadow: 0 0 0 5px var(--home-time-accent-soft);
}

@keyframes home-time-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 0.94; transform: translateY(0); }
}

@media (max-width: 640px) {
  .home-time-table {
    width: min(520px, calc(100vw - 64px));
  }

  .home-time-head {
    gap: 10px;
  }

  .home-time-head-main {
    gap: 8px;
  }

  .home-time-next {
    max-width: 52%;
  }

  .home-time-node {
    width: 52px;
    font-size: 10px;
  }

  .home-time-node-clock {
    display: none;
  }

}

.home-title {
  margin: 0;
  font-size: clamp(44px, 6vw, 72px);
  line-height: 1;
  letter-spacing: 0.035em;
  color: var(--home-title-color, var(--text));
  font-family: "Segoe UI", "Avenir Next", "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-weight: 900;
}

.home-copy {
  display: none;
}

.home-suggestions {
  display: none;
}

.chat-view {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  position: relative;
  overflow: hidden;
}

.main-shell.live2d-active[data-view="chat"] .chat-view {
  --live2d-message-shift-x: clamp(92px, 8vw, 172px);
  --live2d-model-shift-x: 108px;
  isolation: isolate;
  background: var(--main-bg);
}

.shell.sidebar-expanded .main-shell.live2d-active[data-view="chat"] .chat-view {
  --live2d-model-shift-x: 48px;
}

.chat-live2d-panel {
  position: absolute;
  inset: 0 0 calc(var(--composer-height) + 8px) 0;
  min-height: 0;
  overflow: hidden;
  opacity: 1;
  pointer-events: none;
  z-index: 0;
}

.chat-live2d-scene {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.chat-live2d-line {
  display: none;
}

.chat-live2d-floor {
  position: absolute;
  right: max(20px, 3vw);
  bottom: 3.5%;
  width: min(48vw, 560px);
  height: 34%;
  border-bottom: 0;
  background: transparent;
  transform: perspective(760px) rotateX(58deg);
  transform-origin: bottom;
  opacity: 0;
}

.chat-live2d-stage {
  position: absolute;
  top: 8px;
  right: 0;
  bottom: 0;
  width: min(58vw, 660px);
  min-width: 320px;
  overflow: hidden;
  background: transparent;
  /* 底部 ~14% 渐变 fade 到透明、避免角色被画布硬切 "截肢" 感 */
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 78%, rgba(0,0,0,0.55) 92%, rgba(0,0,0,0) 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 78%, rgba(0,0,0,0.55) 92%, rgba(0,0,0,0) 100%);
}

.chat-live2d-stage canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.main-shell[data-view="chat"][data-mode="chat"] .chat-view::after,
.main-shell[data-view="chat"][data-mode="work"] .chat-view::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(var(--composer-height) + var(--safe-bottom) - 24px);
  background: var(--main-bg);
  z-index: 2;
  pointer-events: none;
}

.main-shell.live2d-active[data-view="chat"] .chat-scroll {
  position: relative;
  z-index: 1;
}

/* chat-header is now inside global-top-bar, no standalone styling needed */
.chat-header-main {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.chat-header-avatar {
  width: 64px;
  height: 64px;
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.chat-header-avatar img,
.speaker-avatar img,
.attachment-preview img,
.message-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.chat-header-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.chat-header-note {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.6;
  max-width: 22rem;
  text-align: right;
}

/* ── Mode Tabs ─────────────────────────────────── */
.mode-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 0;
}

.mode-tab {
  position: relative;
  padding: 4px 14px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: color 200ms ease, background 200ms ease;
}

.mode-tab:hover {
  color: var(--text-soft);
  background: rgba(0, 0, 0, 0.03);
}

.mode-tab.active {
  color: var(--text);
  font-weight: 700;
  background: rgba(0, 0, 0, 0.04);
}

.mode-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 3px;
  border-radius: 50%;
  background: #5b9cf6;
  vertical-align: super;
}

/* ── Top Bar button styles ──────────────────────── */
.top-bar-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.top-bar-right {
  width: 90px;
  flex-shrink: 0;
}

/* Top bar variants — fill the bar, only one visible */
.top-bar-variant {
  display: flex;
  align-items: center;
  gap: 2px;
  width: 100%;
}

.top-bar-variant-chat {
  gap: 12px;
  position: relative;
  min-height: 58px;
}

.top-bar-variant-chat .chat-header-name {
  font-size: 18px;
}

/* True center: mode tabs positioned absolutely in the middle */
.top-bar-variant-chat .mode-tabs {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.top-bar-variant-group {
  gap: 10px;
  min-height: 52px;
}

.top-bar-chat-avatar {
  width: 50px;
  height: 50px;
}

/* Sidebar toggle now a regular rail-button (hidden class removed) */
.rail-toggle { display: none; }

.top-bar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  padding: 0;
  flex-shrink: 0;
}

.top-bar-btn:hover:not([disabled]) {
  background: rgba(0, 0, 0, 0.05);
  border-color: var(--line-strong);
  color: var(--text);
}

.top-bar-btn[data-toggle-sidebar] {
  width: 30px;
  border-color: transparent;
  border-radius: 6px;
  background: transparent;
}

.top-bar-btn[data-toggle-sidebar]:hover:not([disabled]) {
  background: transparent;
  border-color: transparent;
  color: var(--text);
}

.top-bar-btn svg {
  width: 18px;
  height: 18px;
}

.top-bar-btn[data-toggle-sidebar] svg {
  width: 20px;
  height: 20px;
}

.top-bar-btn[disabled] {
  opacity: 0.22;
  cursor: default;
  pointer-events: none;
}

.top-bar-nav {
  border: none;
  width: 36px;
  height: 36px;
}

.top-bar-nav svg {
  width: 24px;
  height: 24px;
}

/* ── Nav arrows (shared in chat-header, group-header, content-views) ── */
.chat-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  padding: 0;
  transition: background 0.15s, opacity 0.15s;
  flex-shrink: 0;
}

.chat-nav-btn:hover:not([disabled]) {
  background: rgba(0, 0, 0, 0.05);
  color: var(--text);
}

.chat-nav-btn svg {
  width: 16px;
  height: 16px;
}

.chat-nav-btn[disabled] {
  opacity: 0.2;
  cursor: default;
  pointer-events: none;
}

.content-view-nav-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── Group header ─────────────────────────────── */

/* ── Work Mode ────────────────────────────────── */
.message-inner-work {
  max-width: 100%;
  animation: work-entry 200ms ease both;
}

.work-divider {
  border: none;
  border-top: 1px solid var(--line);
  margin: 0 0 8px;
}

.work-speaker {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.work-content {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text);
}

.work-content strong,
.work-content b {
  color: var(--speaker-ink, var(--text));
  font-weight: 700;
}

.work-content h4,
.work-content h5 {
  margin: 8px 0 4px;
  color: var(--speaker-ink, var(--text));
  font-size: 14px;
  font-weight: 700;
}

.work-content code {
  background: rgba(0, 0, 0, 0.05);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 12px;
}

.work-content pre {
  margin: 6px 0;
  padding: 10px 14px;
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.04);
  overflow-x: auto;
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 12px;
  line-height: 1.5;
}

.work-content pre code {
  background: transparent;
  padding: 0;
}

@keyframes work-entry {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Work Markdown Elements ──────────────────── */
.work-content blockquote,
.work-blockquote {
  margin: 6px 0;
  padding: 4px 0 4px 12px;
  border-left: 3px solid var(--speaker-ink, #5b9cf6);
  color: var(--text-soft);
  font-style: italic;
}

.work-content table,
.work-table {
  width: 100%;
  margin: 8px 0;
  border-collapse: collapse;
  font-size: 12.5px;
}

.work-content th,
.work-table th {
  padding: 5px 10px;
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid var(--line);
  font-weight: 600;
  text-align: left;
}

.work-content td,
.work-table td {
  padding: 5px 10px;
  border: 1px solid var(--line);
}

.work-content ul,
.work-content ol {
  margin: 4px 0;
  padding-left: 20px;
}

.work-content li {
  margin: 2px 0;
}

.work-content del {
  color: var(--text-dim);
}

.work-link {
  color: var(--speaker-ink, #5b9cf6);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.work-hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 8px 0;
}

.work-img {
  max-width: 100%;
  border-radius: 6px;
  margin: 4px 0;
}

.work-content em {
  font-style: italic;
}

/* ── Work Cards ──────────────────────────────── */
.work-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin: 4px 0;
}

.work-card-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-soft);
}

.work-card-icon {
  font-size: 14px;
}

.work-card-title {
  flex: 1;
}

.work-card-action {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
  border-radius: 4px;
  opacity: 0.5;
  transition: opacity 0.15s;
}

.work-card-action:hover {
  opacity: 1;
  background: rgba(0, 0, 0, 0.04);
}

.work-card-body {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
}

.work-file-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.work-file-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 5px 8px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12.5px;
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  color: var(--text);
  transition: background 0.1s;
}

.work-file-item:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--speaker-ink, #5b9cf6);
}

.work-code-viewer {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 12px;
  line-height: 1.55;
}

.work-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
}

.work-thumb {
  width: 100%;
  border-radius: 6px;
  object-fit: cover;
  aspect-ratio: 1;
}

.work-todo-item {
  padding: 4px 0;
  font-size: 13px;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.work-todo-item.done {
  opacity: 0.55;
}

.work-todo-text.done {
  text-decoration: line-through;
  color: var(--text-dim);
}

/* ── Work Autocomplete ───────────────────────── */
.work-autocomplete {
  position: absolute;
  bottom: calc(100% + 2px);
  left: 12px;
  right: 12px;
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  z-index: 100;
  overflow: hidden;
  max-height: 240px;
  overflow-y: auto;
}

.work-ac-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 14px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 13px;
  color: var(--text);
  transition: background 0.08s;
}

.work-ac-item:hover,
.work-ac-item.active {
  background: rgba(0, 0, 0, 0.04);
}

.work-ac-cmd {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-weight: 600;
  font-size: 12.5px;
  min-width: 80px;
  color: var(--speaker-ink, #5b9cf6);
}

.work-ac-desc {
  color: var(--text-soft);
  font-size: 12px;
}

/* ── Work Composer ───────────────────────────── */
.work-composer-input {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace !important;
  font-size: 13.5px !important;
}

/* ── Work Progress ───────────────────────────── */
.work-progress-row {
  padding: 4px 16px 8px;
}

.work-progress-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 12px;
  color: var(--text-dim);
}

.work-progress-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--speaker-ink, #5b9cf6);
  animation: work-pulse 1.2s ease-in-out infinite;
}

@keyframes work-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}


.chat-scroll,
.role-list,
.settings-scroll {
  scrollbar-gutter: stable both-edges;
  scrollbar-width: auto;
  scrollbar-color: rgba(118, 95, 72, 0.42) transparent;
}

.chat-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: scroll;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  /* +56px：voice bubble 上有 play (32px) + 转文字 (~22px) 两种 hit 区，转文字按钮
     比 play 矮 ~10px、底部边缘更靠近 composer 顶。+32 之前对 play 够、对转文字
     不够。+56 让最矮按钮也有 ≥18px 余量。compact viewport 下 composer 多行换行
     时膨胀也由动态 --composer-height 自动跟进，再叠 +56 双保险。 */
  padding: 18px 52px calc(var(--composer-height) + var(--safe-bottom) + 56px) 28px;
}

.main-shell.live2d-active[data-view="chat"] .chat-scroll {
  padding-right: clamp(14px, 3vw, 42px);
  padding-left: clamp(18px, 5vw, 76px);
}

.main-shell.live2d-active[data-view="chat"] .messages {
  width: min(calc(100% - var(--live2d-message-shift-x, 0px)), 650px);
  margin-right: 0;
  margin-left: var(--live2d-message-shift-x, 0px);
}

.main-shell.live2d-active[data-view="chat"] .message-bubble,
.main-shell.live2d-active[data-view="chat"] .message-status-pill,
.main-shell.live2d-active[data-view="chat"] .message-label {
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
}

.main-shell.live2d-active[data-view="chat"] .message-bubble-character {
  background: var(--speaker-surface, rgba(255, 255, 255, 0.88));
  border-color: var(--speaker-border, var(--line));
}

.main-shell.live2d-active[data-view="chat"] .message-bubble-media-only {
  background: transparent;
  border-color: transparent;
}

.main-shell.live2d-active[data-view="chat"] .message-label-character,
.main-shell.live2d-active[data-view="chat"] .message-note {
  background: var(--speaker-soft, rgba(255, 255, 255, 0.82));
  border-color: var(--speaker-border, var(--line));
  color: var(--speaker-ink, var(--text-soft));
}

.messages {
  width: min(100%, 760px);
  min-height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.thread-empty {
  width: min(100%, 560px);
  margin: auto;
  padding: 0 0 calc(var(--composer-height) * 0.24);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  color: var(--text-soft);
  opacity: 0.82;
  transition: opacity 180ms ease, transform 180ms ease;
}

.thread-empty-avatar {
  flex: 0 0 auto;
  width: 58px;
  height: 58px;
  padding: 3px;
  border: 1px solid var(--empty-border, var(--line));
  border-radius: 50%;
  background: color-mix(in srgb, var(--empty-soft, var(--surface-muted)) 42%, transparent);
}

.thread-empty-avatar img {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: inherit;
  object-fit: cover;
}

.thread-empty-copy {
  min-width: 0;
  text-align: left;
}

.thread-empty-kicker {
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 650;
}

.thread-empty h2 {
  margin: 4px 0 7px;
  color: var(--empty-ink, var(--text));
  font-size: 30px;
  line-height: 1.12;
  letter-spacing: 0;
}

.thread-empty p {
  max-width: 28rem;
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.6;
}

.shell[data-theme="dark"] .thread-empty {
  color: var(--text);
  opacity: 1;
}

.shell[data-theme="dark"] .thread-empty-avatar {
  border-color: color-mix(in srgb, var(--empty-ink, var(--text)) 30%, rgba(255, 255, 255, 0.12));
  background:
    color-mix(in srgb, var(--empty-soft, rgba(255, 255, 255, 0.12)) 68%, rgba(255, 255, 255, 0.08));
  box-shadow:
    0 0 14px 1px color-mix(in srgb, var(--empty-soft, rgba(255, 255, 255, 0.12)) 44%, transparent),
    0 0 26px 5px color-mix(in srgb, var(--empty-ink, var(--text)) 12%, transparent);
}

.shell[data-theme="dark"] .thread-empty-kicker {
  color: #c9c2b8;
}

.shell[data-theme="dark"] .thread-empty h2 {
  color: var(--empty-ink, var(--text));
  text-shadow: 0 0 18px color-mix(in srgb, var(--empty-soft, rgba(255, 255, 255, 0.12)) 54%, transparent);
}

.shell[data-theme="dark"] .thread-empty p {
  color: #d8d2c9;
}

.main-shell.overload-active[data-view="chat"] .thread-empty {
  opacity: 0.44;
  transform: translateY(-18px);
}

.message-row {
  display: flex;
}

.message-row.user {
  justify-content: flex-end;
}

.message-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: fit-content;
  max-width: min(100%, 26rem);
}

.message-label-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 3px;
}

.message-row.user .message-label-row {
  justify-content: flex-end;
}

.speaker-meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.speaker-avatar {
  width: 36px;
  height: 36px;
  overflow: hidden;
  border-radius: 999px;
  border: 1px solid var(--speaker-border, var(--line));
  background: rgba(255, 255, 255, 0.82);
  flex: 0 0 auto;
}

.speaker-meta-user {
  flex-direction: row-reverse;
}

.speaker-avatar-user {
  border-color: rgba(88, 79, 68, 0.22);
  background: #fff;
}

.speaker-avatar-empty {
  background:
    linear-gradient(135deg, rgba(88, 79, 68, 0.08), rgba(88, 79, 68, 0.02)),
    rgba(255, 255, 255, 0.86);
}

.message-label,
.message-note {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 10px;
}

/* 2026-05-12 (rev2): 名牌去胶囊容器、字号略放大 + 加粗。
   不受 bubble-style 切档限制——bold 和 classic 两套都同样为无框署名。
   .message-note（语音等小标）不动、仍保留 chip 形态。 */
.message-label {
  color: var(--text-soft);
  border-radius: 0;
  border: 0;
  background: transparent;
  padding: 2px 4px;
  font-size: 12px;
  font-weight: 700;
}

/* live2d-active 视图里 .message-label 被高优先级规则强制白底+blur，
   这里同样覆盖回透明，保证两套样式下名牌都无容器。 */
.main-shell.live2d-active[data-view="chat"] .message-label {
  background: transparent;
  background-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.message-label-character,
.message-note {
  background: var(--speaker-soft, rgba(255, 255, 255, 0.82));
  border: 1px solid var(--speaker-border, var(--line));
  color: var(--speaker-ink, var(--text-soft));
}

/* 2026-05-12 (rev2): 角色名牌同样去胶囊容器、两套 bubble-style 共用。
   .message-note 不动。覆盖范围：默认 + live2d-active 双优先级。 */
.message-label-character,
.main-shell.live2d-active[data-view="chat"] .message-label-character {
  background: transparent;
  border-color: transparent;
}

.message-bubble {
  width: fit-content;
  max-width: 100%;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  font-size: 14px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  box-shadow: none;
}

/* 2026-05-12: bold 样式下气泡字重 800 + 字距 0.04em；classic 保持默认。 */
.shell[data-bubble-style="bold"] .message-bubble {
  font-weight: 800;
  letter-spacing: 0.04em;
}

.message-bubble-user {
  margin-left: auto;
}

/* 2026-05-12: bold 样式下用户气泡字色 #4A9CC0 + 去圆角；classic 保持默认。 */
.shell[data-bubble-style="bold"] .message-bubble-user {
  color: #4A9CC0;
  border-radius: 0;
}

.message-bubble-character {
  background: var(--speaker-surface, rgba(255, 255, 255, 0.88));
  border-color: var(--speaker-border, var(--line));
}

.message-image {
  width: min(24rem, 100%);
  height: auto;
  margin-bottom: 6px;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.message-sticker {
  width: min(12rem, 100%);
}

.message-text {
  display: block;
}

.message-bubble-media-only {
  padding: 4px;
  background: transparent;
  border-color: transparent;
}

/* Phase 1.5 升级（2026-05-02）：合成大气泡 — 引用 / 图片 / 文字三段同居一个 bubble。
   bubble 容器自身 padding 0、由各 inset 子节点自己控制；overflow hidden 让 image 边角贴合圆角。 */
.message-bubble.message-bubble-with-extras {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* 引用区（顶部）— accent 左竖条 + 内陷淡色背景 + 底部细分割线 */
.message-bubble-quote-inset {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px 8px 14px;
  background: rgba(0, 0, 0, 0.045);
  border-left: 3px solid var(--speaker-accent, #93c5fd);
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.07);
  color: var(--text-dim);
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  /* 不要按钮默认 border / outline */
  border-top: none;
  border-right: none;
  transition: background 0.15s ease;
  /* 让 button 元素填满 bubble 宽度 */
  width: 100%;
  border-radius: 0;
}

.message-bubble-quote-inset:hover {
  background: rgba(0, 0, 0, 0.075);
}

.message-bubble-quote-author {
  font-weight: 600;
  font-size: 11px;
  opacity: 0.78;
}

.message-bubble-quote-text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
  line-height: 1.4;
}

/* 图片区（中间或顶部）— 图片填满气泡宽度、贴合圆角 */
.message-bubble-image-inset {
  display: block;
  background: transparent;
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.07);
  /* 让 image-inset 在没文字 inset 时自身就是底部、无边线 */
}

.message-bubble-with-extras > .message-bubble-image-inset:last-child {
  border-bottom: none;
}

.message-bubble-image-inset .message-image {
  display: block;
  width: 100%;
  margin-bottom: 0;
  border-radius: 0;     /* 由 bubble 容器统一圆角 */
  border: none;
  max-height: 360px;
  object-fit: cover;
}

/* 文字区（最底部）— 跟普通 .message-text 一致，但带自己的 padding */
.message-bubble-text-inset {
  padding: 8px 12px;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 14px;
  line-height: 1.55;
}

/* 暗色模式下、内陷区背景改用浅色淡透明、分割线也调淡 */
.shell[data-theme="dark"] .message-bubble-quote-inset {
  background: rgba(255, 255, 255, 0.05);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.72);
}

.shell[data-theme="dark"] .message-bubble-quote-inset:hover {
  background: rgba(255, 255, 255, 0.08);
}

.shell[data-theme="dark"] .message-bubble-image-inset {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

/* 2026-05-29: auto_greet observation 新闻卡片 inset — 横向小卡（缩略图 + 标题 + 域名）、整块可点击跳转 */
.message-bubble-news-inset {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: 10px;
  margin-top: 2px;
  padding: 8px 10px;
  background: rgba(56, 189, 248, 0.08);     /* 淡天蓝 */
  border-left: 3px solid #38bdf8;            /* 天蓝竖条、区别 forwarded 琥珀 / quote speaker-accent 蓝 */
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  transition: background 0.15s ease;
  cursor: pointer;
}
.message-bubble-news-inset:hover {
  background: rgba(56, 189, 248, 0.16);
}
.message-bubble-news-thumb {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border-radius: 6px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.05);
}
.message-bubble-news-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.message-bubble-news-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  justify-content: center;
}
.message-bubble-news-title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
  line-height: 1.35;
  font-size: 0.86rem;
  font-weight: 600;
}
.message-bubble-news-host {
  font-size: 0.72rem;
  opacity: 0.62;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.shell[data-theme="dark"] .message-bubble-news-inset {
  background: rgba(56, 189, 248, 0.12);
}
.shell[data-theme="dark"] .message-bubble-news-inset:hover {
  background: rgba(56, 189, 248, 0.20);
}
.shell[data-theme="dark"] .message-bubble-news-title {
  color: rgba(255, 255, 255, 0.90);
}

/* Phase 1.6（2026-05-02）：跨角色转发 inset — 视觉上跟 quote inset 区分（accent 用琥珀色） */
.message-bubble-forwarded-inset {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 12px 8px 14px;
  background: rgba(251, 191, 36, 0.08);   /* 淡琥珀 */
  border-left: 3px solid #fbbf24;          /* 琥珀竖条、区别 quote 的 speaker-accent 蓝 */
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.07);
  color: var(--text-dim);
  font-size: 12px;
}

.message-bubble-forwarded-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  opacity: 0.82;
}

.message-bubble-forwarded-icon {
  display: inline-flex;
  align-items: center;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
}

.message-bubble-forwarded-icon svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.message-bubble-forwarded-avatar {
  display: inline-flex;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  overflow: hidden;
  flex: 0 0 auto;
}

.message-bubble-forwarded-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.message-bubble-forwarded-source {
  white-space: nowrap;
}

.message-bubble-forwarded-time {
  font-weight: 400;
  opacity: 0.6;
}

.message-bubble-forwarded-text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
  line-height: 1.45;
  font-weight: 400;
}

.shell[data-theme="dark"] .message-bubble-forwarded-inset {
  background: rgba(251, 191, 36, 0.10);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.78);
}

/* Composer 顶部转发预览块 — 跟 composer-quote-preview 同骨架、accent 改琥珀 */
.composer-forwarded-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  margin-bottom: 6px;
  background: rgba(251, 191, 36, 0.12);
  border-left: 3px solid #fbbf24;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-dim);
  max-width: 100%;
}

.composer-forwarded-icon {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.composer-forwarded-icon svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.composer-forwarded-avatar {
  display: inline-flex;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  overflow: hidden;
  flex: 0 0 auto;
}

.composer-forwarded-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.composer-forwarded-meta {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1 1 auto;
  min-width: 0;
}

.composer-forwarded-source {
  font-size: 11px;
  font-weight: 600;
  opacity: 0.82;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.composer-forwarded-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.85;
}

.composer-forwarded-dismiss {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  border-radius: 50%;
  transition: background 0.15s ease;
}

.composer-forwarded-dismiss:hover {
  background: rgba(0, 0, 0, 0.08);
}

.shell[data-theme="dark"] .composer-forwarded-preview {
  background: rgba(251, 191, 36, 0.10);
  color: rgba(255, 255, 255, 0.82);
}

.shell[data-theme="dark"] .composer-forwarded-dismiss:hover {
  background: rgba(255, 255, 255, 0.10);
}

/* 右键菜单的 avatar + chevron 右箭头（用于「转发」项 + 角色子菜单） */
.message-context-menu-avatar {
  display: inline-flex;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  overflow: hidden;
  flex: 0 0 auto;
}

.message-context-menu-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.message-context-menu-chevron {
  margin-left: auto;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1;
  opacity: 0.7;
}

.message-context-menu-back {
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.06) !important;
  font-size: 12px;
  opacity: 0.85;
}

.shell[data-theme="dark"] .message-context-menu-back {
  border-bottom-color: rgba(255, 255, 255, 0.08) !important;
}

.message-context-menu-item:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.message-context-menu-item:disabled:hover {
  background: transparent;
}

.chat-scroll-rail {
  display: none;
}

.chat-scroll-thumb {
  display: none;
}

/* 2026-05-12: 仿 QQ "↓ N 条新消息" 跳底按钮 —— 右下角浮动 pill、点击滚到底部、滑到底自动隐藏 */
.chat-jump-to-bottom {
  position: absolute;
  right: 18px;
  bottom: 96px;             /* 留出 composer 的位置、避免被输入栏遮挡 */
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(103, 84, 64, 0.18);
  background: rgba(255, 255, 255, 0.95);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: opacity 180ms ease, transform 200ms ease, background 160ms ease, border-color 160ms ease;
  opacity: 1;
  transform: translateY(0);
}
.chat-jump-to-bottom[hidden] {
  display: none !important;
}
.chat-jump-to-bottom:hover {
  background: rgba(255, 255, 255, 1);
  border-color: rgba(103, 84, 64, 0.28);
  transform: translateY(-1px);
}
.chat-jump-to-bottom:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.14);
}
.chat-jump-to-bottom-icon {
  color: #2670e0;            /* QQ 风的蓝色箭头 */
  flex-shrink: 0;
}
.chat-jump-to-bottom-count {
  color: #2670e0;
  font-variant-numeric: tabular-nums;
  font-size: 12.5px;
  line-height: 1;
  min-width: 14px;
  text-align: center;
}
.chat-jump-to-bottom-count[hidden] {
  display: none;
}
.shell[data-theme="dark"] .chat-jump-to-bottom {
  background: rgba(40, 38, 36, 0.92);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text);
}
.shell[data-theme="dark"] .chat-jump-to-bottom:hover {
  background: rgba(50, 47, 44, 0.96);
  border-color: rgba(255, 255, 255, 0.16);
}
.shell[data-theme="dark"] .chat-jump-to-bottom-icon,
.shell[data-theme="dark"] .chat-jump-to-bottom-count {
  color: #6aa8ff;
}

.message-status-row {
  display: flex;
  justify-content: center;
}

.message-status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.55;
}

/* Chat-mode /reset 软重置后的"历史信息"分隔线（左右淡线 + 中间日期标签） */
.messages .message-history-divider {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 4px;
  margin: 6px 0 8px;
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.06em;
  user-select: none;
}

.messages .message-history-divider-line {
  flex: 1 1 auto;
  min-width: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 28%, var(--line) 72%, transparent);
  opacity: 0.7;
}

.messages .message-history-divider-label {
  flex: 0 0 auto;
  white-space: nowrap;
  opacity: 0.78;
  font-size: inherit;
  line-height: inherit;
  font-weight: inherit;
}

.shell[data-theme="dark"] .messages .message-history-divider {
  color: rgba(255, 255, 255, 0.5);
}

.shell[data-theme="dark"] .messages .message-history-divider-line {
  opacity: 0.5;
}

/* ── 时间间隔小胶囊（QQ/微信风格） ─────────────────────────────── */

.messages .message-time-gap {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  padding: 8px 0;
  margin: 4px 0 6px;
  user-select: none;
}

.messages .message-time-gap span {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 10px;
  background: rgba(128, 128, 128, 0.12);
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.shell[data-theme="dark"] .messages .message-time-gap span {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.45);
}

/* ── Phase 1.5（2026-05-02）引用回复 / 二次回复 ───────────────────── */

/* 嵌套引用块：用户气泡顶部带的小卡（点击可跳到原消息） */
.message-quote-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-self: flex-end;
  max-width: min(420px, 92%);
  margin: 4px 0 -2px;
  padding: 6px 10px;
  background: rgba(120, 120, 120, 0.08);
  border-left: 3px solid var(--speaker-accent, #93c5fd);
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

.message-row.assistant .message-quote-block {
  align-self: flex-start;
}

.message-quote-block:hover {
  background: rgba(120, 120, 120, 0.14);
}

.message-quote-author {
  font-weight: 600;
  font-size: 11px;
  opacity: 0.78;
}

.message-quote-text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
  line-height: 1.4;
}

.shell[data-theme="dark"] .message-quote-block {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.7);
}

.shell[data-theme="dark"] .message-quote-block:hover {
  background: rgba(255, 255, 255, 0.10);
}

/* composer 顶部的引用 pill */
.composer-quote-preview {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  margin-bottom: 6px;
  background: rgba(147, 197, 253, 0.12);
  border-left: 3px solid #93c5fd;
  border-radius: 6px;
  font-size: 12px;
  color: var(--text-dim);
  max-width: 100%;
}

.composer-quote-author {
  font-weight: 600;
  white-space: nowrap;
  flex: 0 0 auto;
}

.composer-quote-text {
  flex: 1 1 auto;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.85;
}

.composer-quote-dismiss {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  border-radius: 50%;
  transition: background 0.15s ease;
}

.composer-quote-dismiss:hover {
  background: rgba(0, 0, 0, 0.08);
}

.shell[data-theme="dark"] .composer-quote-preview {
  background: rgba(147, 197, 253, 0.10);
  color: rgba(255, 255, 255, 0.78);
}

.shell[data-theme="dark"] .composer-quote-dismiss:hover {
  background: rgba(255, 255, 255, 0.10);
}

/* 右键菜单（气泡上右键 / 触屏长按弹出）*/
.message-context-menu {
  z-index: 9999;
  min-width: 168px;
  padding: 4px 0;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.18);
  user-select: none;
  /* 项之间用 :not(:last-child) 加细分隔线 */
}

.message-context-menu-item {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 11px 18px;
  border: none;
  background: transparent;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: background 0.12s ease;
}

.message-context-menu-item:not(:last-child) {
  border-bottom: 0.5px solid rgba(0, 0, 0, 0.06);
}

.message-context-menu-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  opacity: 0.85;
}

.message-context-menu-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.message-context-menu-label {
  flex: 1 1 auto;
}

.message-context-menu-item:hover,
.message-context-menu-item:focus {
  background: rgba(120, 120, 120, 0.10);
  outline: none;
}

/* 暗色模式（截图配色：深灰半透明 + 模糊背景 + 浅色文字 + 更细分隔线）
   注意：菜单挂在 document.body 上、不是 .shell 后代，所以走显式 class
   `.message-context-menu-dark`（由 showMessageContextMenu 在创建时根据 theme 加上）。 */
.message-context-menu.message-context-menu-dark {
  background: rgba(38, 38, 42, 0.92);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.6),
              0 0 0 0.5px rgba(255, 255, 255, 0.06);
}

.message-context-menu.message-context-menu-dark .message-context-menu-item {
  color: rgba(255, 255, 255, 0.94);
}

.message-context-menu.message-context-menu-dark .message-context-menu-item:not(:last-child) {
  border-bottom-color: rgba(255, 255, 255, 0.07);
}

.message-context-menu.message-context-menu-dark .message-context-menu-icon {
  opacity: 0.78;
}

.message-context-menu.message-context-menu-dark .message-context-menu-item:hover,
.message-context-menu.message-context-menu-dark .message-context-menu-item:focus {
  background: rgba(255, 255, 255, 0.07);
}

.message-context-menu.message-context-menu-dark .message-context-menu-chevron {
  color: rgba(255, 255, 255, 0.55);
}

.message-context-menu.message-context-menu-dark .message-context-menu-back {
  border-bottom-color: rgba(255, 255, 255, 0.08) !important;
}

/* 危险项（删除）：红色文字 + hover 时红色背景。亮/暗模式各自配色。 */
.message-context-menu-item-danger {
  color: #d92d20;
}

.message-context-menu-item-danger:hover,
.message-context-menu-item-danger:focus {
  background: rgba(217, 45, 32, 0.10);
  color: #b42318;
}

.message-context-menu.message-context-menu-dark .message-context-menu-item-danger {
  color: #ff6b6b;
}

.message-context-menu.message-context-menu-dark .message-context-menu-item-danger:hover,
.message-context-menu.message-context-menu-dark .message-context-menu-item-danger:focus {
  background: rgba(255, 107, 107, 0.14);
  color: #ff8a8a;
}

/* 跳转目标短暂高亮 */
@keyframes message-row-flash {
  0%   { background: rgba(147, 197, 253, 0.30); }
  60%  { background: rgba(147, 197, 253, 0.18); }
  100% { background: transparent; }
}

.message-row.message-row-flash {
  animation: message-row-flash 1.2s ease-out;
  border-radius: 12px;
}

/* ── Inline Voice Message ───────────────────── */
.message-bubble-voice {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: min(var(--voice-bubble-width, 180px), 100%);
  min-width: 148px;
  max-width: min(23rem, 100%);
  padding: 6px 8px;
  border-radius: 16px;
  background: color-mix(in srgb, var(--speaker-soft, rgba(255, 255, 255, 0.82)) 52%, rgba(255, 255, 255, 0.92));
  color: var(--speaker-ink, var(--text));
  /* 不主动 z-index 抬升：composer (z=18) 多行展开后必须能盖住语音气泡，
     这是输入框正常的"上拉遮挡"语义。按钮可点性靠几何避让（padding-bottom 56
     + 最后一条 margin-bottom 24 + 转文字按钮 min-height 28）保证、不靠 z 优先级。 */
}

/* 仅最下端那条 voice bubble 加额外 margin-bottom：双保险防 composer 遮按钮。
   chat-scroll padding-bottom 已 +56 给 buffer、再额外 +24 让最后一条最矮按钮
   （转文字 ~22px）距 composer 顶部仍 ≥ 40px、彻底安全。 */
.messages .message-row:last-of-type .message-bubble-voice {
  margin-bottom: 24px;
}

.voice-bubble-play,
.voice-bubble-wave,
.voice-bubble-text {
  appearance: none;
  font: inherit;
  cursor: pointer;
}

.voice-bubble-play {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--speaker-border, var(--line));
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  color: var(--speaker-ink, var(--text));
}

.voice-bubble-play svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.voice-bubble-play svg path[d="M8 5v14l11-7Z"] {
  fill: currentColor;
  stroke: none;
}

.voice-bubble-wave {
  min-width: 58px;
  height: 30px;
  flex: 1 1 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 0 2px;
  border: 0;
  background: transparent;
  color: var(--speaker-ink, var(--text-soft));
}

.voice-bubble-wave span {
  width: 3px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.55;
}

.voice-bubble-wave span:nth-child(1) { height: 10px; }
.voice-bubble-wave span:nth-child(2) { height: 18px; }
.voice-bubble-wave span:nth-child(3) { height: 24px; }
.voice-bubble-wave span:nth-child(4) { height: 16px; }
.voice-bubble-wave span:nth-child(5) { height: 12px; }

.message-bubble-voice.playing .voice-bubble-wave span {
  animation: voice-wave 0.9s ease-in-out infinite;
}

.message-bubble-voice.playing .voice-bubble-wave span:nth-child(2) { animation-delay: 0.08s; }
.message-bubble-voice.playing .voice-bubble-wave span:nth-child(3) { animation-delay: 0.16s; }
.message-bubble-voice.playing .voice-bubble-wave span:nth-child(4) { animation-delay: 0.24s; }
.message-bubble-voice.playing .voice-bubble-wave span:nth-child(5) { animation-delay: 0.32s; }

@keyframes voice-wave {
  0%, 100% { transform: scaleY(0.62); opacity: 0.46; }
  50% { transform: scaleY(1); opacity: 0.82; }
}

.voice-bubble-meta {
  color: var(--text-dim);
  font-size: 11px;
  white-space: nowrap;
}

.voice-bubble-text {
  flex: 0 0 auto;
  /* 4px×2 对触屏 / compact viewport 太窄、与 play (32px) 相比少 12px hit area，
     底部时被 composer 顶端 px 级压住。padding 8×6 + min-height 28 让按钮总高度 ~28px、
     与 play (32) 接近，hit area 不再被边缘像素吞。 */
  padding: 8px 6px;
  min-height: 28px;
  border: 0;
  background: transparent;
  color: var(--speaker-ink, var(--text-soft));
  font-size: 12px;
  white-space: nowrap;
}

.voice-bubble-play:hover,
.voice-bubble-wave:hover,
.voice-bubble-text:hover {
  color: var(--speaker-ink, var(--accent));
}

.voice-transcript-bubble {
  margin-top: 4px;
  max-width: min(36rem, 100%);
  background: color-mix(in srgb, var(--speaker-surface, rgba(255, 255, 255, 0.88)) 88%, rgba(255, 255, 255, 0.96));
}

.shell[data-theme="dark"] .rail-button:hover,
.shell[data-theme="dark"] .rail-button.active,
.shell[data-theme="dark"] .top-bar-btn:hover:not([disabled]),
.shell[data-theme="dark"] .chat-nav-btn:hover:not([disabled]),
.shell[data-theme="dark"] .ghost-button:hover,
.shell[data-theme="dark"] .settings-tab:hover,
.shell[data-theme="dark"] .settings-tab.active,
.shell[data-theme="dark"] .composer-icon-button:hover,
.shell[data-theme="dark"] .toggle-button:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--line-strong);
  color: var(--text);
}

.shell[data-theme="dark"].sidebar-expanded .rail-button.active,
.shell[data-theme="dark"].sidebar-expanded .rail-button.active:hover,
.shell[data-theme="dark"] .top-bar-btn[data-toggle-sidebar]:hover:not([disabled]) {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  color: var(--text);
}

.shell[data-theme="dark"] .main-shell {
  background: var(--main-bg);
}

.shell[data-theme="dark"] .main-shell::after {
  background: radial-gradient(ellipse at center, transparent 0%, transparent 68%, rgba(18, 18, 18, 0.18) 100%);
}

.shell[data-theme="dark"] .main-shell[data-view="home"][data-home-background-enabled="true"][data-home-background-kind="image"]::before {
  opacity: 1;
  filter: none;
}

.shell[data-theme="dark"] .main-shell[data-view="home"][data-home-background-enabled="true"] .home-title,
.shell[data-theme="dark"] .main-shell[data-view="home"][data-home-background-enabled="true"] .home-dev-greeting-text {
  text-shadow: 0 2px 22px rgba(0, 0, 0, 0.42);
}

.shell[data-theme="dark"] .content-view,
.shell[data-theme="dark"] .group-view,
.shell[data-theme="dark"] .group-scroll {
  background: var(--main-bg);
  color: var(--text);
}

.shell[data-theme="dark"] .role-panel,
.shell[data-theme="dark"] .metric-cell,
.shell[data-theme="dark"] .stack-item,
.shell[data-theme="dark"] .settings-row,
.shell[data-theme="dark"] .kv-row,
.shell[data-theme="dark"] .settings-empty,
.shell[data-theme="dark"] .role-current,
.shell[data-theme="dark"] .mini-pill,
.shell[data-theme="dark"] .tag,
.shell[data-theme="dark"] .message-status-pill,
.shell[data-theme="dark"] .home-capability-panel,
.shell[data-theme="dark"] .home-capability-option,
.shell[data-theme="dark"] .overload-picker,
.shell[data-theme="dark"] .attachment-chip {
  background: rgba(255, 255, 255, 0.055);
  border-color: var(--line);
  color: var(--text);
  box-shadow: none;
}

.shell[data-theme="dark"] .settings-header,
.shell[data-theme="dark"] .settings-tab-row {
  border-color: var(--line);
}

.shell[data-theme="dark"] .settings-section {
  border-top-color: var(--line);
}

.shell[data-theme="dark"] .settings-tab-icon,
.shell[data-theme="dark"] .ghost-button,
.shell[data-theme="dark"] .settings-tab,
.shell[data-theme="dark"] .tool-action,
.shell[data-theme="dark"] .toggle-button {
  background: rgba(255, 255, 255, 0.045);
  border-color: var(--line);
  color: var(--text-soft);
}

.shell[data-theme="dark"] .settings-tab {
  background: transparent;
  border-color: transparent;
  color: var(--text-soft);
}

.shell[data-theme="dark"] .settings-tab:hover,
.shell[data-theme="dark"] .settings-tab.active {
  background: rgba(255, 255, 255, 0.075);
  border-color: transparent;
  color: var(--text);
}

.shell[data-theme="dark"] .settings-list,
.shell[data-theme="dark"] .settings-row {
  border-color: var(--line);
}

.shell[data-theme="dark"] .settings-row {
  background: transparent;
}

.shell[data-theme="dark"] .public-hosting-panel {
  background: rgba(255, 255, 255, 0.055);
  border-color: var(--line);
}

.shell[data-theme="dark"] .public-hosting-panel.active {
  background: rgba(74, 144, 226, 0.10);
  border-color: rgba(142, 190, 255, 0.28);
}

.shell[data-theme="dark"] .public-hosting-grid div {
  background: rgba(255, 255, 255, 0.045);
  border-color: var(--line);
}

.shell[data-theme="dark"] .public-hosting-badge.on,
.shell[data-theme="dark"] .public-hosting-checks span.ok {
  color: #9fc9ff;
  background: rgba(142, 190, 255, 0.12);
  border-color: rgba(142, 190, 255, 0.24);
}

.shell[data-theme="dark"] .home-background-preview {
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.shell[data-theme="dark"] .tool-palette {
  background: rgba(31, 33, 35, 0.96);
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--text-soft);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.shell[data-theme="dark"] .tool-palette .tool-action {
  background: transparent;
  border-color: transparent;
  color: var(--text-soft);
}

.shell[data-theme="dark"] .tool-palette .tool-action:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: transparent;
  color: var(--text);
}

.shell[data-theme="dark"] .switch-toggle {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.16);
}

.shell[data-theme="dark"] .switch-toggle span {
  background: rgba(230, 225, 216, 0.96);
}

.shell[data-theme="dark"] .switch-toggle.on {
  background: #f4f0e8;
  border-color: #f4f0e8;
}

.shell[data-theme="dark"] .switch-toggle.on span {
  background: #151515;
}

.shell[data-theme="dark"] .role-row:hover,
.shell[data-theme="dark"] .role-row.active {
  background: color-mix(in srgb, var(--role-accent, #ffffff) 24%, rgba(255, 255, 255, 0.06));
}

.shell[data-theme="dark"] .mode-tab:hover {
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.07);
}

.shell[data-theme="dark"] .mode-tab.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.1);
}

.shell[data-theme="dark"] .home-reset-button,
.shell[data-theme="dark"] .content-view-close {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--line);
  color: var(--text-soft);
}

.shell[data-theme="dark"] .speaker-avatar,
.shell[data-theme="dark"] .speaker-avatar-user,
.shell[data-theme="dark"] .speaker-avatar-empty {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--line-strong);
}

/* 2026-05-12 (rev2): 暗色名牌也无胶囊容器、与亮色一致只保留文字。
   两套 bubble-style 共用、不再 gate。 */
.shell[data-theme="dark"] .message-label,
.shell[data-theme="dark"] .message-row.user .message-label {
  background: transparent;
  border-color: transparent;
  color: #fff;
}

/* dark + live2d：盖住 .main-shell.live2d-active .message-label 的白色遮罩规则、
   防止 typing indicator 名字被强制白底+blur。同样为透明。 */
.shell[data-theme="dark"] .main-shell.live2d-active[data-view="chat"] .message-label {
  background: transparent;
  background-color: transparent;
  border-color: transparent;
  color: #fff;
}

.shell[data-theme="dark"] .message-bubble-user {
  background: #3a3d3f;
  border-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* 2026-05-12 (rev2): user .message-label 拆出去走上面的透明规则、不再在此重新加 chip。 */
.shell[data-theme="dark"] .main-shell.live2d-active[data-view="chat"] .message-bubble-user {
  background: #3a3d3f;
  background-color: #3a3d3f;
  border-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.shell[data-theme="dark"] .group-msg-bubble-user {
  background: #3a3d3f;
  border-color: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.shell[data-theme="dark"] .message-bubble-character:not(.message-bubble-media-only),
.shell[data-theme="dark"] .main-shell.live2d-active[data-view="chat"] .message-bubble-character:not(.message-bubble-media-only) {
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--speaker-accent, var(--speaker-ink, #ffffff)) 54%, rgba(21, 21, 21, 0.34)),
      color-mix(in srgb, var(--speaker-accent, var(--speaker-ink, #ffffff)) 36%, rgba(21, 21, 21, 0.46))
    );
  border-color: color-mix(in srgb, var(--speaker-accent, #ffffff) 66%, rgba(255, 255, 255, 0.24));
  color: #fff;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.shell[data-theme="dark"] .message-bubble-character .message-text {
  color: inherit;
}

.shell[data-theme="dark"] .message-bubble-media-only,
.shell[data-theme="dark"] .main-shell.live2d-active[data-view="chat"] .message-bubble-media-only {
  background: transparent;
  border-color: transparent;
}

/* 2026-05-12 (rev2): .message-note 保留 chip；.message-label-character 无容器、
   两套 bubble-style 共用此规则。原四 selector 拆成两组。 */
.shell[data-theme="dark"] .message-note,
.shell[data-theme="dark"] .main-shell.live2d-active[data-view="chat"] .message-note {
  background: color-mix(in srgb, var(--speaker-accent, #ffffff) 58%, rgba(21, 21, 21, 0.38));
  border-color: color-mix(in srgb, var(--speaker-accent, #ffffff) 64%, rgba(255, 255, 255, 0.22));
  color: #fff;
}

.shell[data-theme="dark"] .message-label-character,
.shell[data-theme="dark"] .main-shell.live2d-active[data-view="chat"] .message-label-character {
  background: transparent;
  border-color: transparent;
}

.shell[data-theme="dark"] .message-bubble-voice.message-bubble-character {
  background:
    linear-gradient(
      135deg,
      color-mix(in srgb, var(--speaker-accent, var(--speaker-ink, #ffffff)) 54%, rgba(21, 21, 21, 0.34)),
      color-mix(in srgb, var(--speaker-accent, var(--speaker-ink, #ffffff)) 36%, rgba(21, 21, 21, 0.46))
    );
  color: #fff;
}

.shell[data-theme="dark"] .voice-bubble-play {
  background: rgba(0, 0, 0, 0.14);
  border-color: rgba(255, 255, 255, 0.24);
  color: #fff;
}

.shell[data-theme="dark"] .voice-bubble-wave,
.shell[data-theme="dark"] .voice-bubble-text {
  color: rgba(255, 255, 255, 0.96);
}

.shell[data-theme="dark"] .voice-bubble-meta {
  color: rgba(255, 255, 255, 0.72);
}

.shell[data-theme="dark"] .voice-transcript-bubble {
  background: color-mix(in srgb, var(--speaker-accent, #ffffff) 82%, #000 18%);
  color: #fff;
}

.shell[data-theme="dark"] .composer-shell {
  background: #1f2123;
  border-color: var(--line-strong);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.34);
}

.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell {
  background: rgba(31, 33, 35, 0.94);
  border-color: rgba(255, 255, 255, 0.2);
}

.shell[data-theme="dark"] .home-time-table {
  color: var(--text-soft);
  opacity: 0.9;
}

.shell[data-theme="dark"] .home-time-track::before {
  background: rgba(255, 255, 255, 0.14);
}

.shell[data-theme="dark"] .home-time-dot {
  box-shadow: 0 0 0 4px rgba(21, 21, 21, 0.72);
}

.shell[data-theme="dark"] .composer-textarea {
  color: var(--text);
}

.shell[data-theme="dark"] .composer-textarea::placeholder,
.shell[data-theme="dark"] .composer-promptline,
.shell[data-theme="dark"] .composer-foot {
  color: var(--text-dim);
}

.shell[data-theme="dark"] .main-shell[data-view="home"] .home-composer-canvas {
  color: #ffffff;
}

.shell[data-theme="dark"] .composer-shell::after {
  background: linear-gradient(90deg, rgba(21, 21, 21, 0.26), rgba(21, 21, 21, 0.14));
}

.shell[data-theme="dark"] .main-shell.live2d-active[data-view="chat"] .chat-view {
  background: var(--main-bg);
}

.shell[data-theme="dark"] .chat-live2d-stage {
  background: transparent;
}

.shell[data-theme="dark"] .chat-live2d-floor {
  opacity: 0;
  border-bottom-color: transparent;
  background: transparent;
}

.shell[data-theme="dark"] .overload-arrow-shape {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.62));
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.38));
}

@media (max-width: 520px) {
  .message-bubble-voice {
    min-width: 0;
    gap: 6px;
  }

  .voice-bubble-wave {
    min-width: 42px;
    flex-basis: 52px;
  }

  .voice-bubble-meta {
    display: none;
  }

  /* compact viewport 下 composer 多行换行 / safe-bottom 在 PWA fullscreen
     可能延迟测量、padding-bottom 再叠 24px 余量保 voice 按钮 hit area。 */
  .chat-scroll {
    padding-bottom: calc(var(--composer-height) + var(--safe-bottom) + 80px);
  }

  .messages .message-row:last-of-type .message-bubble-voice {
    margin-bottom: 32px;
  }
}

/* split-screen / 中等小屏：980px 以下 composer.width = calc(100% - 24px) 占满、
   多行换行频繁。在 compact (520px) 之上、桌面分屏窗 (~720-980px) 这档同样需要
   把 buffer 拉够。 */
@media (max-width: 980px) and (min-width: 521px) {
  .chat-scroll {
    padding-bottom: calc(var(--composer-height) + var(--safe-bottom) + 72px);
  }

  .messages .message-row:last-of-type .message-bubble-voice {
    margin-bottom: 28px;
  }
}

.composer-shell {
  --composer-radius: 28px;
  position: absolute;
  left: 50%;
  z-index: 18;
  width: min(840px, calc(100% - 48px));
  padding: 10px 16px 11px;
  border: 1px solid var(--line);
  border-radius: var(--composer-radius);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(96, 77, 56, 0.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: visible;
}

.composer-shell::before,
.composer-shell::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
  clip-path: inset(0 round var(--composer-radius));
}

.composer-shell::before {
  background-image: var(--overload-cover);
  background-size: var(--overload-cover-size, cover);
  background-position: var(--overload-cover-position, center);
  background-repeat: no-repeat;
  filter: saturate(1.08);
  transform: none;
}

.composer-shell::after {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.58));
}

.composer-shell.overload-active::before {
  opacity: 1;
  backface-visibility: hidden;
  will-change: transform, opacity, filter;
}

.composer-shell.overload-active::after {
  opacity: 0;
}

.composer-shell.overload-switching {
  perspective: 1200px;
  transform-style: preserve-3d;
}

.composer-shell > * {
  position: relative;
  z-index: 1;
}

.composer-shell > .work-autocomplete {
  position: absolute;
  z-index: 100;
}

.main-shell[data-view="home"] .composer-shell {
  --composer-radius: 22px;
  --home-composer-scale: 1;
  top: var(--home-composer-top, calc(50% - 26px));
  width: var(--home-composer-width, min(680px, calc(100% - 216px)));
  height: var(--home-composer-height, auto);
  padding: 9px 14px 7px;
  border: 1px solid rgba(21, 18, 14, 0.26);
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--composer-radius);
  box-shadow: 0 8px 20px rgba(96, 77, 56, 0.05);
  transform: translateX(-50%);
}

.main-shell[data-view="home"][data-home-resizing="true"] .composer-shell,
.main-shell[data-view="home"][data-home-resizing="true"] .home-stage {
  transition: none !important;
  user-select: none;
}

/* Home view: composer becomes a flex column so children sit nicely
   (textarea expands, composer-bar pinned to bottom). Only when an
   explicit height is set (i.e. user has resized). */
.main-shell[data-view="home"] .composer-shell[style*="--home-composer-height"] {
  display: flex;
  flex-direction: column;
}
.main-shell[data-view="home"] .composer-shell[style*="--home-composer-height"] .composer-textarea-wrap {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}
.main-shell[data-view="home"] .composer-shell[style*="--home-composer-height"] .composer-textarea {
  height: 100%;
  resize: none;
}
.main-shell[data-view="home"] .composer-shell[style*="--home-composer-height"] .composer-bar {
  flex: 0 0 auto;
  margin-top: auto;
}

/* Compact: hide non-essential controls when the box is squeezed small */
.composer-shell[data-composer-compact="compact"] .composer-bar,
.composer-shell[data-composer-compact="compact"] .composer-tools,
.composer-shell[data-composer-compact="compact"] .composer-foot,
.composer-shell[data-composer-compact="compact"] .overload-progress-row {
  display: none !important;
}
.main-shell[data-view="home"] .composer-shell[data-composer-compact="compact"] .home-suggestions {
  display: none !important;
}

/* Minimal: even the textarea/promptline disappears — only cover + close button left */
.composer-shell[data-composer-compact="minimal"] .composer-bar,
.composer-shell[data-composer-compact="minimal"] .composer-tools,
.composer-shell[data-composer-compact="minimal"] .composer-foot,
.composer-shell[data-composer-compact="minimal"] .composer-attachments,
.composer-shell[data-composer-compact="minimal"] .composer-promptline,
.composer-shell[data-composer-compact="minimal"] .composer-textarea-wrap,
.composer-shell[data-composer-compact="minimal"] .overload-progress-row,
.composer-shell[data-composer-compact="minimal"] .home-suggestions {
  display: none !important;
}

/* Inner component scaling: only takes effect when JS sets --home-composer-scale */
.main-shell[data-view="home"] .composer-shell .composer-textarea {
  font-size: calc(15px * var(--home-composer-scale, 1));
  line-height: calc(1.45 * var(--home-composer-scale, 1));
}

.main-shell[data-view="home"] .composer-shell .composer-promptline {
  font-size: calc(13px * var(--home-composer-scale, 1));
}

.main-shell[data-view="home"] .composer-shell .composer-icon-button,
.main-shell[data-view="home"] .composer-shell .composer-overload-button,
.main-shell[data-view="home"] .composer-shell .send-button,
.main-shell[data-view="home"] .composer-shell .overload-control-button,
.main-shell[data-view="home"] .composer-shell .overload-lang-button,
.main-shell[data-view="home"] .composer-shell .overload-exit-button {
  transform: scale(var(--home-composer-scale, 1));
  transform-origin: center;
}

/* During resize drag — show grab/grabbing cursor everywhere so the user
   feels they're holding the box, not pointing at a resize edge. */
.main-shell[data-home-resize-enabled="true"][data-home-resizing="true"],
.main-shell[data-home-resize-enabled="true"][data-home-resizing="true"] *,
.main-shell[data-home-resize-enabled="true"][data-home-resizing="true"] .composer-resize-handle {
  cursor: grabbing !important;
}

/* Idle hover: subtle "you can grab this" hint via cursor only on edges
   (already set per-handle, just ensure no override). */
.main-shell[data-view="home"][data-home-resize-enabled="true"] .composer-resize-handle:hover {
  /* keep direction-specific resize cursor; nothing to override */
}

.main-shell[data-view="home"] .composer-shell .home-suggestions .home-suggestion-card {
  font-size: calc(13px * var(--home-composer-scale, 1));
}

.main-shell[data-view="home"] .home-stage {
  top: var(--home-stage-top, max(112px, calc(50% - 160px)));
}
.main-shell.dev-active[data-view="home"] .home-stage {
  top: var(--home-stage-top, calc(50% - 180px));
}

/* Resize handles — only visible/active on home view */
.composer-resize-handle {
  position: absolute;
  z-index: 30;
  pointer-events: none;
  background: transparent;
}
.main-shell[data-view="home"][data-home-resize-enabled="true"] .composer-resize-handle {
  pointer-events: auto;
}

/* Edge handles */
.composer-resize-handle[data-resize-handle="n"],
.composer-resize-handle[data-resize-handle="s"] {
  left: 14px;
  right: 14px;
  height: 8px;
  cursor: ns-resize;
}
.composer-resize-handle[data-resize-handle="n"] { top: -4px; }
.composer-resize-handle[data-resize-handle="s"] { bottom: -4px; }

.composer-resize-handle[data-resize-handle="e"],
.composer-resize-handle[data-resize-handle="w"] {
  top: 14px;
  bottom: 14px;
  width: 8px;
  cursor: ew-resize;
}
.composer-resize-handle[data-resize-handle="e"] { right: -4px; }
.composer-resize-handle[data-resize-handle="w"] { left: -4px; }

/* Corner handles */
.composer-resize-corner {
  width: 14px;
  height: 14px;
}
.composer-resize-handle[data-resize-handle="nw"] { top: -4px; left: -4px; cursor: nwse-resize; }
.composer-resize-handle[data-resize-handle="ne"] { top: -4px; right: -4px; cursor: nesw-resize; }
.composer-resize-handle[data-resize-handle="sw"] { bottom: -4px; left: -4px; cursor: nesw-resize; }
.composer-resize-handle[data-resize-handle="se"] { bottom: -4px; right: -4px; cursor: nwse-resize; }

/* Home reset button */
.home-reset-button {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 40;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  box-shadow: 0 4px 12px rgba(96, 77, 56, 0.08);
  opacity: 0;
  transform: scale(0.85) rotate(-30deg);
  transition: opacity 200ms ease, transform 200ms ease, background 160ms ease, color 160ms ease;
  pointer-events: none;
}
.home-reset-button svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.main-shell[data-view="home"][data-home-resize-enabled="true"][data-home-customized="true"] .home-reset-button,
.main-shell[data-view="home"][data-home-fusion-dirty="true"] .home-reset-button {
  opacity: 1;
  transform: scale(1) rotate(0);
  pointer-events: auto;
}
.home-reset-button:hover {
  background: #fff;
  color: var(--text);
  transform: scale(1.05) rotate(-12deg);
}
.home-reset-button:active {
  transform: scale(0.95) rotate(-180deg);
}

.main-shell[data-view="chat"] .composer-shell {
  bottom: calc(var(--safe-bottom) + 18px);
  transform: translateX(-50%);
  background: #fff;
}

.shell[data-theme="dark"] .main-shell[data-view="chat"] .composer-shell {
  background: #1f2123;
}

.main-shell[data-view="settings"] .composer-shell {
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
}

.composer-tools {
  position: absolute;
  left: 14px;
  z-index: 22;
  overflow: visible;
}

.main-shell[data-view="home"] .composer-tools {
  top: calc(100% - 2px);
}

.main-shell[data-view="chat"] .composer-tools {
  bottom: calc(100% - 2px);
}

.tool-palette {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  width: 188px;
  padding: 6px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-soft);
  gap: 2px;
  opacity: 0;
  transform: translateY(-8px) scale(0.98);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.tool-palette.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.tool-action.recording {
  color: var(--text);
  background: rgba(194, 111, 103, 0.16);
  border-color: rgba(194, 111, 103, 0.3);
}

.tool-action {
  width: 100%;
  justify-content: flex-start;
  padding: 8px 10px;
  border-radius: 12px;
  border-color: transparent;
  background: transparent;
}

.overload-picker {
  position: absolute;
  left: 52px;
  z-index: 24;
  width: 218px;
  max-height: min(280px, 34vh);
  overflow-y: auto;
  padding: 6px 6px 14px;
  scroll-padding-bottom: 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-soft);
}

.main-shell[data-view="home"] .overload-picker {
  top: calc(100% - 2px);
}

.main-shell[data-view="chat"] .overload-picker {
  bottom: calc(100% - 2px);
}

.overload-transition-card {
  position: absolute;
  inset: -1px;
  z-index: 0 !important;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  overflow: hidden;
  background-image: var(--overload-transition-cover);
  background-size: var(--overload-transition-cover-size, var(--overload-cover-size, cover));
  background-position: var(--overload-transition-cover-position, var(--overload-cover-position, center));
  background-repeat: no-repeat;
  border: 1px solid rgba(255, 255, 255, 0.38);
  box-shadow:
    0 22px 44px rgba(40, 31, 24, 0.2),
    inset 0 0 0 1px rgba(255, 255, 255, 0.16);
  filter: saturate(1.08) contrast(1.01);
  transform: translateZ(0);
  transform-origin: center;
  will-change: transform, opacity, filter;
}

.composer-shell.overload-switching .overload-transition-card {
  opacity: 1;
}

.composer-shell.overload-slide-next .overload-transition-card {
  animation: overloadCardOutNext 780ms cubic-bezier(0.16, 0.9, 0.14, 1) forwards;
}

.composer-shell.overload-slide-prev .overload-transition-card {
  animation: overloadCardOutPrev 780ms cubic-bezier(0.16, 0.9, 0.14, 1) forwards;
}

.composer-shell.overload-slide-next::before {
  animation: overloadCoverInNext 780ms cubic-bezier(0.16, 0.9, 0.14, 1) both;
}

.composer-shell.overload-slide-prev::before {
  animation: overloadCoverInPrev 780ms cubic-bezier(0.16, 0.9, 0.14, 1) both;
}

.overload-carousel {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 0;
  z-index: 3;
  pointer-events: none;
}

.main-shell[data-home-resize-enabled="true"] .overload-carousel {
  display: none !important;
}

.overload-carousel-button {
  position: absolute;
  top: 50%;
  width: 46px;
  height: 92px;
  padding: 0;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.9);
  pointer-events: auto;
  transform: translateY(-50%);
  cursor: pointer;
}

.overload-carousel-button.prev {
  left: -62px;
}

.overload-carousel-button.next {
  right: -62px;
}

.overload-arrow-shape {
  position: absolute;
  top: 50%;
  width: 28px;
  height: 48px;
  background: linear-gradient(180deg, rgba(47, 38, 29, 0.78), rgba(47, 38, 29, 0.52));
  filter: drop-shadow(0 10px 20px rgba(37, 29, 22, 0.2));
  opacity: 0.78;
  transform: translateY(-50%) scale(0.88);
  transition:
    opacity 180ms ease,
    transform 340ms cubic-bezier(0.16, 0.9, 0.14, 1),
    background 180ms ease,
    filter 180ms ease;
  pointer-events: none;
}

.overload-carousel-button.prev .overload-arrow-shape {
  left: 8px;
  clip-path: polygon(70% 18%, 28% 50%, 70% 82%);
}

.overload-carousel-button.next .overload-arrow-shape {
  right: 8px;
  clip-path: polygon(30% 18%, 72% 50%, 30% 82%);
}

.overload-carousel-button:hover .overload-arrow-shape {
  opacity: 0.96;
  transform: translateY(-50%) scale(1.04);
  filter: drop-shadow(0 14px 28px rgba(37, 29, 22, 0.24));
}

.overload-carousel-button:active .overload-arrow-shape {
  transform: translateY(-50%) scale(0.86);
}

@keyframes overloadCardOutNext {
  0% { opacity: 1; filter: saturate(1.08) contrast(1.01); transform: translateX(0) rotateY(0deg) rotateZ(0deg) scale(1); }
  42% { opacity: 0.98; filter: saturate(1.12) contrast(1.04); transform: translateX(-6%) rotateY(7deg) rotateZ(-0.4deg) scale(0.992); }
  100% { opacity: 0; filter: saturate(1.02) contrast(0.98) blur(0.4px); transform: translateX(-44%) rotateY(15deg) rotateZ(-1deg) scale(0.955); }
}

@keyframes overloadCardOutPrev {
  0% { opacity: 1; filter: saturate(1.08) contrast(1.01); transform: translateX(0) rotateY(0deg) rotateZ(0deg) scale(1); }
  42% { opacity: 0.98; filter: saturate(1.12) contrast(1.04); transform: translateX(6%) rotateY(-7deg) rotateZ(0.4deg) scale(0.992); }
  100% { opacity: 0; filter: saturate(1.02) contrast(0.98) blur(0.4px); transform: translateX(44%) rotateY(-15deg) rotateZ(1deg) scale(0.955); }
}

@keyframes overloadCoverInNext {
  0% { opacity: 0.58; filter: saturate(1) brightness(1.04); transform: translateX(22%) rotateY(-9deg) scale(1.018); }
  58% { opacity: 0.96; filter: saturate(1.08) brightness(1); transform: translateX(-1.6%) rotateY(1deg) scale(1.002); }
  100% { opacity: 1; filter: saturate(1.08) brightness(1); transform: translateX(0) rotateY(0deg) scale(1); }
}

@keyframes overloadCoverInPrev {
  0% { opacity: 0.58; filter: saturate(1) brightness(1.04); transform: translateX(-22%) rotateY(9deg) scale(1.018); }
  58% { opacity: 0.96; filter: saturate(1.08) brightness(1); transform: translateX(1.6%) rotateY(-1deg) scale(1.002); }
  100% { opacity: 1; filter: saturate(1.08) brightness(1); transform: translateX(0) rotateY(0deg) scale(1); }
}

.overload-picker-empty {
  padding: 12px;
  color: var(--text-dim);
  font-size: 13px;
}

.overload-exit-button {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: rgba(74, 58, 43, 0.74);
  box-shadow: 0 6px 16px rgba(54, 43, 32, 0.12);
  cursor: pointer;
}

.overload-exit-button:hover {
  background: rgba(255, 255, 255, 0.98);
  color: rgba(38, 31, 25, 0.92);
}

.overload-exit-button svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.overload-video-toggle-button {
  position: absolute;
  top: 10px;
  right: 46px;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: rgba(74, 58, 43, 0.74);
  box-shadow: 0 6px 16px rgba(54, 43, 32, 0.12);
  cursor: pointer;
}

.overload-video-toggle-button:hover {
  background: rgba(255, 255, 255, 0.98);
  color: rgba(38, 31, 25, 0.92);
}

.overload-video-toggle-button svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.overload-video-view {
  position: absolute;
  inset: 0;
  z-index: 55;
  display: block;
  padding: 0;
  overflow: hidden;
  color: #f8fafc;
  background: #020304;
}

.overload-video-view[hidden] {
  display: none;
}

.overload-video-view::before {
  content: "";
  position: absolute;
  inset: -9%;
  z-index: 0;
  background-image: var(--overload-video-cover);
  background-size: var(--overload-video-cover-size, cover);
  background-position: var(--overload-video-cover-position, center);
  background-repeat: no-repeat;
  opacity: 0.34;
  filter: blur(34px) saturate(1.16) brightness(0.54);
  transform: scale(1.08);
}

.overload-video-view::after {
  display: none;
}

.overload-video-ambient {
  display: none;
}

.overload-video-stage {
  position: absolute;
  inset: 0;
  z-index: auto;
  display: block;
  width: 100%;
  height: 100%;
}

.overload-video-frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
  width: 100%;
  height: 100%;
  background: #000;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.overload-video-player {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: #000;
  opacity: 0;
  transition: opacity 240ms ease;
}

.overload-video-view.video-ready .overload-video-player {
  opacity: 1;
}

.overload-video-loader {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  font-weight: 650;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.34)),
    var(--overload-video-cover);
  background-size: cover;
  background-position: center;
  transition: opacity 220ms ease;
  pointer-events: none;
}

.overload-video-view.video-ready:not(.video-buffering) .overload-video-loader {
  opacity: 0;
}

.overload-video-loader-mark {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.24);
  border-top-color: #fff;
  animation: overloadVideoSpin 900ms linear infinite;
}

.overload-video-meta {
  position: absolute;
  top: clamp(26px, 4vw, 58px);
  left: clamp(28px, 4.6vw, 76px);
  right: clamp(82px, 8vw, 132px);
  z-index: 4;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 22px;
  color: rgba(255, 255, 255, 0.82);
  pointer-events: none;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.58);
}

.overload-video-meta > div {
  display: none;
}

.overload-video-kicker {
  display: block;
  color: color-mix(in srgb, var(--overload-video-ink, #bfdbfe) 82%, #fff);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.overload-video-meta h2 {
  margin: 6px 0 0;
  font-size: clamp(28px, 4vw, 54px);
  line-height: 0.98;
  letter-spacing: 0;
  color: #fff;
}

.overload-video-time {
  flex: 0 0 auto;
  padding-top: 7px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.overload-video-exit {
  position: absolute;
  top: clamp(20px, 3vw, 38px);
  right: clamp(20px, 3vw, 38px);
  z-index: 8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(12, 14, 17, 0.58);
  color: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.overload-video-exit:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  transform: scale(1.04);
}

.overload-video-exit svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.main-shell.overload-video-active .home-view,
.main-shell.overload-video-active .composer-shell,
.main-shell.overload-video-active .home-reset-button {
  opacity: 0;
  pointer-events: none;
}

@keyframes overloadVideoSpin {
  to { transform: rotate(360deg); }
}

@media (max-width: 760px) {
  .overload-video-view {
    padding: 0;
  }

  .overload-video-stage {
    inset: 0;
  }

  .overload-video-meta {
    top: 22px;
    left: 18px;
    right: 72px;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .overload-video-time {
    padding-bottom: 0;
  }
}

.overload-song-option {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.overload-song-option:hover,
.overload-song-option.active {
  background: rgba(122, 100, 76, 0.09);
}

.overload-song-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 700;
}

.composer-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.attachment-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  max-width: 100%;
  margin-bottom: 10px;
  padding: 8px 10px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.84);
}

/* Phase G.V (2026-05-02)：克制的图片预览缩略图 — 88×88 方块 + 右上角浮 ×，
   去掉文件名 / 副标题文字、让缩略图自身成为预览主体（参考 IM app 风格） */
.attachment-thumb {
  position: relative;
  width: 88px;
  height: 88px;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 8px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.attachment-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.attachment-thumb-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border: none;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.15s ease;
}

.attachment-thumb-remove:hover {
  background: rgba(0, 0, 0, 0.78);
}

.attachment-thumb-remove svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.shell[data-theme="dark"] .attachment-thumb {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.attachment-preview {
  width: 56px;
  height: 56px;
  overflow: hidden;
  border-radius: 14px;
  flex: 0 0 auto;
}

.attachment-copy {
  min-width: 0;
}

.attachment-copy strong,
.attachment-copy span {
  display: block;
}

.attachment-copy strong {
  font-size: 13px;
}

.attachment-copy span {
  margin-top: 4px;
  color: var(--text-dim);
  font-size: 12px;
}

.composer-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
}

.composer-icon-button,
.send-button {
  min-width: 30px;
  min-height: 30px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  cursor: pointer;
}

.composer-icon-button {
  color: var(--text-soft);
}

.composer-overload-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
}

.composer-overload-button svg {
  width: 21px;
  height: 21px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.composer-overload-button:hover,
.composer-overload-button.open,
.composer-overload-button.active {
  background: rgba(255, 255, 255, 0.82);
  color: var(--composer-accent, #f9a8d4);
}

.overload-inline-controls {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.overload-control-button,
.overload-lang-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  min-width: 28px;
  padding: 0 7px;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--composer-accent, #f9a8d4);
  cursor: pointer;
}

.overload-control-button svg {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.overload-lang-button {
  min-width: 30px;
  font-size: 12px;
  font-weight: 800;
}

.overload-lang-button.active {
  color: var(--composer-accent, #f9a8d4);
  background: rgba(255, 255, 255, 0.82);
}

.overload-lang-button:disabled {
  opacity: 0.35;
  cursor: default;
}

.overload-volume {
  --overload-volume: 42%;
  width: 84px;
  height: 10px;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.overload-volume::-webkit-slider-runnable-track {
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--composer-accent, #f9a8d4) 0%,
    var(--composer-accent, #f9a8d4) var(--overload-volume),
    rgba(88, 79, 68, 0.2) var(--overload-volume),
    rgba(88, 79, 68, 0.2) 100%
  );
}

.overload-volume::-webkit-slider-thumb {
  width: 10px;
  height: 10px;
  margin-top: -3.5px;
  border: 0;
  border-radius: 999px;
  background: var(--composer-accent, #f9a8d4);
  appearance: none;
  -webkit-appearance: none;
}

.overload-volume::-moz-range-track {
  height: 3px;
  border-radius: 999px;
  background: rgba(88, 79, 68, 0.2);
}

.overload-volume::-moz-range-progress {
  height: 3px;
  border-radius: 999px;
  background: var(--composer-accent, #f9a8d4);
}

.overload-volume::-moz-range-thumb {
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 999px;
  background: var(--composer-accent, #f9a8d4);
}

.dev-toggle {
  margin-left: auto;
  color: var(--text-dim);
  opacity: 0.5;
  transition: opacity 0.3s, color 0.3s, filter 0.3s, transform 0.2s;
}

.dev-toggle:hover {
  opacity: 0.8;
}

.dev-toggle.active,
.main-shell[data-view="home"] .dev-toggle.active {
  color: var(--composer-accent, #f9a8d4);
  opacity: 1;
}

.dev-toggle:not(.active) {
  color: var(--text-dim) !important;
  opacity: 0.5;
  filter: none !important;
}

.voice-reply-toggle {
  color: var(--text-dim);
  opacity: 0.55;
  transition: opacity 0.3s, color 0.3s, filter 0.3s;
}

.voice-reply-toggle:hover {
  opacity: 0.85;
}

.voice-reply-toggle.active,
.main-shell[data-view="home"] .voice-reply-toggle.active {
  color: var(--composer-accent, #f9a8d4);
  opacity: 1;
}

.voice-reply-toggle.loading {
  opacity: 0.72;
  cursor: wait;
}

.voice-reply-toggle:not(.active) {
  color: var(--text-dim) !important;
  filter: none !important;
}

/* ── Dev Mode Activation ─────────────────────── */
.dev-toggle.dev-glow {
  animation: dev-btn-glow 1s ease-out;
}

@keyframes dev-btn-glow {
  0%   { filter: drop-shadow(0 0 8px rgba(249, 168, 212, 0.9)) drop-shadow(0 0 20px rgba(249, 168, 212, 0.5)); transform: scale(1.25); }
  40%  { filter: drop-shadow(0 0 4px rgba(249, 168, 212, 0.6)); transform: scale(1.05); }
  100% { filter: none; transform: scale(1); }
}

/* ── Dev Mode Home Greeting ──────────────────── */
.home-dev-greeting {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-top: -24px;
  animation: dev-greeting-in 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.home-dev-avatar {
  width: 116px;
  height: 116px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
}

.home-dev-avatar-overload-ripple {
  animation: home-avatar-ripple 3.8s ease-out infinite;
}

.home-dev-greeting-text {
  margin: 0;
  max-width: min(760px, 100%);
  font-family: inherit;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.55;
  text-align: center;
  text-wrap: balance;
  min-height: 1.55em;
  cursor: default;
  user-select: none;
  transition: opacity 180ms ease, transform 180ms ease, filter 180ms ease, color 220ms ease;
  will-change: opacity, transform, filter;
}

.home-dev-greeting-text.is-idle {
  opacity: 0.94;
}

.home-dev-greeting-text.is-context {
  max-width: min(860px, 100%);
}

.home-dev-greeting-text.is-overload-lyric {
  max-width: min(880px, 100%);
  font-size: 19px;
  font-weight: 760;
  color: #111827 !important;
  text-shadow: 0 8px 24px rgba(147, 197, 253, 0.16);
}

.home-dev-greeting-text.is-overload-lyric .overload-lyric-highlight {
  font-weight: inherit;
  text-shadow: none;
}

.shell[data-theme="dark"] .home-dev-greeting-text.is-overload-lyric {
  color: rgba(255, 255, 255, 0.94) !important;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.26);
}

.home-dev-greeting-text.is-typing::after {
  content: "";
  display: inline-block;
  width: 2px;
  height: 1.05em;
  margin-left: 3px;
  border-radius: 999px;
  background: currentColor;
  vertical-align: -0.12em;
  animation: home-greeting-cursor 0.88s steps(2, start) infinite;
}

.home-dev-greeting-text.is-context:hover,
.home-dev-greeting-text.is-context:focus-visible {
  opacity: 0.82;
  transform: translateY(-1px);
  filter: saturate(1.08);
  outline: none;
}

@keyframes dev-greeting-in {
  0%   { opacity: 0; transform: translateY(12px) scale(0.95); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes home-avatar-ripple {
  0% {
    box-shadow:
      0 4px 24px rgba(0, 0, 0, 0.12),
      0 0 0 0 rgba(147, 197, 253, 0.24),
      0 0 0 0 rgba(147, 197, 253, 0.16);
  }
  54% {
    box-shadow:
      0 4px 24px rgba(0, 0, 0, 0.12),
      0 0 0 15px rgba(147, 197, 253, 0.08),
      0 0 0 29px rgba(147, 197, 253, 0.04);
  }
  100% {
    box-shadow:
      0 4px 24px rgba(0, 0, 0, 0.12),
      0 0 0 24px rgba(147, 197, 253, 0),
      0 0 0 42px rgba(147, 197, 253, 0);
  }
}

@keyframes home-greeting-cursor {
  0%, 45% { opacity: 1; }
  46%, 100% { opacity: 0; }
}

.send-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--composer-accent, var(--text));
}

.send-button svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.send-button.voice-mode {
  color: var(--composer-accent, var(--text));
}

.send-button.send-mode {
  color: var(--composer-accent-ink, var(--text));
}

.send-button[disabled] {
  opacity: 0.44;
  cursor: default;
}

.composer-promptline {
  display: none;
  padding: 4px 6px 0;
  color: #7f7972;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.2;
  text-align: left;
}

.composer-textarea-wrap {
  position: relative;
  min-height: 52px;
}

.home-composer-canvas {
  display: none;
}

.overload-progress-row {
  position: absolute;
  right: calc(var(--composer-radius) + 6px);
  bottom: -6px;
  left: calc(var(--composer-radius) + 6px);
  z-index: 3;
  height: 12px;
  margin: 0;
}

.overload-progress {
  --overload-progress: 0%;
  display: block;
  width: 100%;
  height: 12px;
  margin: 0;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.overload-progress::-webkit-slider-runnable-track {
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--composer-accent, #f9a8d4) 0%,
    var(--composer-accent, #f9a8d4) var(--overload-progress),
    rgba(88, 79, 68, 0.18) var(--overload-progress),
    rgba(88, 79, 68, 0.18) 100%
  );
  transition: height 140ms ease, background-color 140ms ease;
}

.overload-progress::-webkit-slider-thumb {
  width: 18px;
  height: 12px;
  margin-top: -5px;
  border: 0;
  background: transparent;
  box-shadow: none;
  appearance: none;
  -webkit-appearance: none;
}

.overload-progress:hover::-webkit-slider-runnable-track,
.overload-progress:focus-visible::-webkit-slider-runnable-track {
  height: 5px;
}

.overload-progress::-moz-range-track {
  height: 2px;
  border-radius: 999px;
  background: rgba(88, 79, 68, 0.18);
  transition: height 140ms ease;
}

.overload-progress::-moz-range-progress {
  height: 2px;
  border-radius: 999px;
  background: var(--composer-accent, #f9a8d4);
  transition: height 140ms ease;
}

.overload-progress::-moz-range-thumb {
  width: 18px;
  height: 12px;
  border: 0;
  background: transparent;
}

.overload-progress:hover::-moz-range-track,
.overload-progress:hover::-moz-range-progress,
.overload-progress:focus-visible::-moz-range-track,
.overload-progress:focus-visible::-moz-range-progress {
  height: 5px;
}

.composer-textarea {
  min-height: 44px;
  max-height: 200px;
  width: 100%;
  padding: 8px 6px 4px;
  border-radius: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  outline: none;
  font-size: 15px;
  line-height: 1.55;
}

/* 2026-05-12: bold 样式下输入文字与过载歌词字重一致（800）；classic 保持默认。 */
.shell[data-bubble-style="bold"] .composer-textarea {
  font-weight: 800;
}

.composer-shell.overload-active .composer-textarea {
  color: rgba(38, 31, 25, 0.9);
  font-weight: 800;
  font-size: 15px;
  line-height: 1.55;
  text-shadow: 0 1px 8px rgba(255, 255, 255, 0.72);
}

.composer-shell.overload-active.overload-white-text .composer-textarea {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.58);
}

.composer-shell.overload-active.overload-white-text .composer-icon-button[data-tools-toggle] {
  color: rgba(255, 255, 255, 0.94);
  filter: drop-shadow(0 1px 5px rgba(0, 0, 0, 0.4));
}

.composer-shell.overload-active.overload-white-text .composer-icon-button[data-tools-toggle]:hover {
  color: #fff;
}

.main-shell[data-view="home"] .composer-attachments,
.composer-foot {
  display: none;
}

.main-shell[data-view="home"] .composer-promptline {
  display: none;
}

.main-shell[data-view="home"] .composer-textarea-wrap {
  min-height: 48px;
}

.main-shell[data-view="home"] .home-composer-canvas {
  position: absolute;
  inset: 7px 2px 0;
  z-index: 2;
  display: block;
  overflow: auto;
  pointer-events: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  white-space: pre-wrap;
  color: #111111;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.45;
  text-align: left;
  cursor: text;
  user-select: text;
  scrollbar-width: thin;
}

.main-shell[data-view="home"] .home-composer-canvas[hidden] {
  display: none;
}

.main-shell[data-view="home"] .composer-textarea {
  min-height: 36px;
  max-height: 86px;
  padding: 7px 2px 1px;
  font-size: 14px;
  line-height: 1.4;
}

.main-shell[data-view="home"] .composer-textarea.home-context-placeholder {
  color: var(--text);
}

.main-shell[data-view="home"] .composer-icon-button {
  color: var(--text-soft);
}

.main-shell[data-view="home"] .composer-bar {
  margin-top: 2px;
}

.composer-icon-button:hover,
.send-button:hover {
  transform: none;
  background: transparent;
  border-color: transparent;
}

.main-shell[data-view="home"] .composer-shell .composer-icon-button:hover,
.main-shell[data-view="home"] .composer-shell .composer-icon-button:active,
.main-shell[data-view="home"] .composer-shell .composer-icon-button:focus,
.main-shell[data-view="home"] .composer-shell .composer-icon-button:focus-visible,
.main-shell[data-view="home"] .composer-shell .composer-icon-button.active,
.main-shell[data-view="home"] .composer-shell .send-button:hover,
.main-shell[data-view="home"] .composer-shell .send-button:active,
.main-shell[data-view="home"] .composer-shell .send-button:focus,
.main-shell[data-view="home"] .composer-shell .send-button:focus-visible,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-icon-button:hover,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-icon-button:active,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-icon-button:focus,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-icon-button:focus-visible,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-icon-button.active,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .send-button:hover,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .send-button:active,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .send-button:focus,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .send-button:focus-visible {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-overload-button:hover,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-overload-button:active,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-overload-button:focus,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-overload-button:focus-visible,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-overload-button.open,
.shell[data-theme="dark"] .main-shell[data-view="home"] .composer-shell .composer-overload-button.active {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

.composer-icon-button svg,
.send-button svg {
  width: 22px;
  height: 22px;
}

.main-shell[data-view="home"] .send-button.voice-mode svg {
  width: 26px;
  height: 26px;
}

.main-shell[data-view="home"] .home-suggestions {
  display: block;
  position: absolute;
  left: 50%;
  z-index: 20;
  top: calc(100% + 14px);
  width: min(760px, calc(100vw - 236px));
  transform: translateX(-50%);
  background: transparent;
}

.home-capability-region {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.home-capability-region.expanded {
  min-height: 56px;
}

.home-capability-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  width: 100%;
  transition: opacity 140ms ease;
}

.home-capability-region.expanded .home-capability-row {
  opacity: 0;
  pointer-events: none;
}

.home-capability-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 15px;
  border-radius: 16px;
  border: 1px solid rgba(103, 84, 64, 0.16);
  background: rgba(255, 255, 255, 0.26);
  color: #4c443c;
  cursor: pointer;
  box-shadow: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease, color 160ms ease, filter 180ms ease;
}

.home-capability-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(103, 84, 64, 0.24);
  background: rgba(255, 255, 255, 0.46);
  color: #332d27;
}

.home-capability-chip[draggable="true"] {
  cursor: grab;
}

.home-capability-chip[draggable="true"]:active,
.home-capability-chip.fusion-dragging {
  cursor: grabbing;
}

.home-capability-chip.fusion-dragging {
  opacity: 0.62;
  transform: translateY(-4px) scale(0.98);
}

.home-capability-chip.fusion-drop-target {
  background: var(--composer-accent, #f9a8d4);
  border-color: transparent;
  color: #121212;
  transform: translateY(-4px) scale(1.04);
}

.home-capability-chip.fused span {
  font-weight: 760;
}

.home-capability-chip:focus,
.home-capability-chip:focus-visible {
  outline: 0 solid transparent;
  outline-offset: 0;
}

.home-capability-chip.active {
  transform: translateY(-2px) scale(1.025);
  border-color: transparent;
  background: var(--composer-accent, #f9a8d4);
  color: #121212;
  outline: 0 solid transparent;
  box-shadow: none;
  filter: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.shell[data-theme="dark"] .home-capability-chip {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.035);
  color: #cfc8bd;
  box-shadow: none;
}

.shell[data-theme="dark"] .home-capability-chip:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.075);
  color: #f4f0e8;
}

.shell[data-theme="dark"] .home-capability-chip.fusion-drop-target {
  background: var(--composer-chip-lit-accent, var(--composer-accent, #f9a8d4));
  border-color: transparent;
  color: #ffffff;
}

.shell[data-theme="dark"] .home-capability-chip.active {
  border-color: transparent;
  background: var(--composer-chip-lit-accent, var(--composer-accent, #f9a8d4));
  color: #ffffff;
  box-shadow: none;
  filter: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.shell[data-theme="dark"] .home-capability-panel {
  background: rgba(20, 20, 20, 0.78);
  border-color: rgba(255, 255, 255, 0.14);
  color: #f4f0e8;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.shell[data-theme="dark"] .home-capability-panel-title {
  color: #bdb5aa;
}

.shell[data-theme="dark"] .home-capability-option {
  background: transparent;
  border-top-color: rgba(255, 255, 255, 0.1);
  color: #ece6dc;
}

.shell[data-theme="dark"] .home-capability-option:hover {
  background: rgba(255, 255, 255, 0.045);
  color: #fffaf2;
}

.home-capability-chip svg,
.home-capability-panel-title svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.home-capability-chip.active svg {
  stroke-width: 2.25;
}

.home-capability-chip.active span {
  font-weight: 800;
}

.home-capability-chip span,
.home-capability-panel-title span {
  font-size: 12px;
  line-height: 1;
}

.home-capability-panel {
  position: absolute;
  top: 0;
  left: 50%;
  right: auto;
  width: min(640px, calc(100% - 44px));
  max-height: min(284px, calc(100vh - 260px));
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(103, 84, 64, 0.16);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: none;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transform: translateX(-50%);
  overflow: auto;
  z-index: 3;
}

.home-capability-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.home-capability-panel-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #696259;
}

.home-capability-close {
  width: 28px;
  height: 28px;
}

.home-capability-option-list {
  margin-top: 8px;
}

.home-capability-option {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: flex-start;
  padding: 12px 4px;
  border-top: 1px solid rgba(103, 84, 64, 0.12);
  color: #413931;
  cursor: pointer;
  text-align: left;
}

.home-capability-option:first-child {
  border-top: 0;
}

.home-capability-option span {
  font-size: 13px;
  line-height: 1.3;
}

.composer-textarea::placeholder {
  color: var(--text-dim);
}

/* 2026-05-12: bold 样式下 textarea font-weight 800 会渗到 placeholder，
   显式重置回 400。classic 不需要此覆盖。 */
.shell[data-bubble-style="bold"] .composer-textarea::placeholder {
  font-weight: 400;
}

.composer-textarea.home-broadcast-placeholder::placeholder {
  color: rgba(122, 100, 76, 0.82);
  /* 2026-05-12: 字体与 home-capability-chip 内 span 统一（13px / 1.3）、
     避免 placeholder 显得比 chip 字明显大、视觉分量不一致。 */
  font-size: 13px;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.composer-textarea.home-timeline-placeholder::placeholder {
  color: color-mix(in srgb, var(--composer-accent-ink, var(--text-soft)) 72%, var(--text-dim));
}

.composer-textarea.overload-lyric-placeholder::placeholder {
  color: rgba(38, 31, 25, 0.9);
  font-weight: 800;
  font-size: inherit;
  line-height: inherit;
  text-shadow: 0 1px 8px rgba(255, 255, 255, 0.72);
}

/* 焚音打 5 句 highlight：overlay 覆盖在 textarea 上，渲染富文本歌词，
   方框内字眼染对应角色代表色。pointer-events:none 保证不挡输入；
   padding/font 与 .composer-textarea 完全对齐避免位移。 */
.composer-overload-lyric-overlay {
  position: absolute;
  inset: 0;
  padding: 8px 6px 4px;
  font-size: 15px;
  line-height: 1.55;
  font-weight: 800;
  color: rgba(38, 31, 25, 0.9);
  text-shadow: 0 1px 8px rgba(255, 255, 255, 0.72);
  pointer-events: none;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: hidden;
  z-index: 1;
  transition: opacity 200ms ease;
}

.composer-overload-lyric-overlay[hidden] {
  display: none;
}

.composer-shell.overload-active.overload-white-text .composer-overload-lyric-overlay {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.58);
}

.shell[data-theme="dark"] .composer-shell.overload-active .composer-overload-lyric-overlay {
  color: rgba(38, 31, 25, 0.9);
  text-shadow: 0 1px 8px rgba(255, 255, 255, 0.72);
}

.shell[data-theme="dark"] .composer-shell.overload-active.overload-white-text .composer-overload-lyric-overlay {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.58);
}

/* 角色色高亮：保留原 text-shadow 让暗背景上仍清晰、加轻量发光强化色彩。 */
.overload-lyric-highlight {
  font-weight: 800;
  text-shadow:
    0 1px 8px rgba(0, 0, 0, 0.55),
    0 0 6px color-mix(in srgb, currentColor 40%, transparent);
}

.shell[data-theme="dark"] .composer-shell.overload-active .composer-textarea,
.shell[data-theme="dark"] .composer-shell.overload-active .composer-textarea.overload-lyric-placeholder::placeholder {
  color: rgba(38, 31, 25, 0.9);
  text-shadow: 0 1px 8px rgba(255, 255, 255, 0.72);
}

.shell[data-theme="dark"] .composer-shell.overload-active.overload-white-text .composer-textarea,
.shell[data-theme="dark"] .composer-shell.overload-active.overload-white-text .composer-textarea.overload-lyric-placeholder::placeholder {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.58);
}

.composer-shell.overload-active.overload-white-text .composer-textarea.overload-lyric-placeholder::placeholder {
  color: rgba(255, 255, 255, 0.96);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.58);
}

.settings-view {
  background: var(--main-bg);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.settings-page {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: calc(var(--safe-top) + 28px) 42px calc(var(--safe-bottom) + 26px);
}

.settings-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(119, 103, 84, 0.16);
}

.settings-meta {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 14px;
  line-height: 1.55;
}

.settings-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.settings-body {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 42px;
  padding-top: 32px;
}

.settings-tab-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  align-self: start;
  padding: 0;
}

.settings-tab {
  width: 100%;
  justify-content: flex-start;
  min-height: 40px;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
  text-align: left;
  color: var(--text-soft);
}

.settings-tab:hover {
  background: rgba(21, 18, 14, 0.04);
  color: var(--text);
}

.settings-tab.active {
  background: rgba(21, 18, 14, 0.07);
  border-color: transparent;
  color: var(--text);
  box-shadow: none;
}

.settings-tab-icon {
  display: none;
}

.settings-tab-icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.settings-tab-copy {
  min-width: 0;
  display: grid;
}

.settings-tab-copy strong {
  color: inherit;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.3;
}

.settings-tab-copy small {
  display: none;
}

.settings-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: scroll;
  padding: 0 8px 4px 0;
}

.settings-section + .settings-section {
  margin-top: 16px;
}

.settings-section {
  padding: 18px 0 0;
  border-top: 1px solid rgba(119, 103, 84, 0.16);
}

.settings-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.section-head h3 {
  margin: 0;
  font-size: 16px;
  letter-spacing: 0;
}

.section-head p,
.metric-cell p,
.settings-row-main p,
.stack-item p,
.settings-empty {
  margin: 6px 0 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.65;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.metric-grid,
.settings-list,
.stack-list,
.kv-list {
  margin-top: 14px;
}

.settings-list {
  border-top: 1px solid rgba(119, 103, 84, 0.16);
}

.metric-cell,
.stack-item {
  padding: 14px 15px;
  border-radius: 12px;
  border: 1px solid rgba(119, 103, 84, 0.16);
  background: rgba(255, 255, 255, 0.7);
}

.metric-label {
  display: block;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.metric-cell strong {
  display: block;
  margin-top: 8px;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.settings-row,
.kv-row,
.stack-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.settings-row + .settings-row,
.kv-row + .kv-row,
.stack-item + .stack-item {
  margin-top: 10px;
}

.settings-row + .settings-row {
  margin-top: 0;
}

.settings-row {
  min-height: 72px;
  padding: 18px 0;
  border: 0;
  border-bottom: 1px solid rgba(119, 103, 84, 0.16);
  border-radius: 0;
  background: transparent;
}

.settings-row-main {
  min-width: 0;
}

.settings-row-main strong,
.stack-title-row strong,
.kv-row strong,
.kv-row code {
  font-size: 14px;
}

.settings-row-side {
  flex: 0 0 auto;
}

.public-hosting-panel {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid rgba(119, 103, 84, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.68);
}

.public-hosting-panel.active {
  border-color: rgba(64, 132, 208, 0.34);
  background: rgba(241, 247, 255, 0.82);
}

.public-hosting-status-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.public-hosting-status-main {
  min-width: 0;
}

.public-hosting-kicker {
  display: block;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.public-hosting-status-main strong {
  display: block;
  margin-top: 4px;
  font-size: 18px;
  letter-spacing: 0;
}

.public-hosting-status-main p {
  margin: 8px 0 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.65;
}

.public-hosting-badge {
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(119, 103, 84, 0.18);
  color: var(--text-soft);
  font-size: 12px;
  line-height: 1;
}

.public-hosting-badge.on {
  border-color: rgba(64, 132, 208, 0.36);
  color: #2563a8;
  background: rgba(64, 132, 208, 0.1);
}

.public-hosting-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.public-hosting-grid div {
  min-width: 0;
  padding: 11px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(119, 103, 84, 0.12);
}

.public-hosting-grid span {
  display: block;
  color: var(--text-dim);
  font-size: 12px;
}

.public-hosting-grid strong {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.35;
  word-break: break-word;
}

.public-hosting-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.public-hosting-checks span {
  padding: 6px 9px;
  border-radius: 999px;
  background: rgba(119, 103, 84, 0.08);
  color: var(--text-soft);
  font-size: 12px;
}

.public-hosting-checks span.ok {
  background: rgba(64, 132, 208, 0.11);
  color: #2563a8;
}

.color-mode-picker {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

/* 2026-05-12: 气泡样式选择器（appearance 面板）。两列、与颜色模式选择器同节奏。 */
.bubble-style-picker {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 10px;
}

.bubble-style-option {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid rgba(119, 103, 84, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.6);
  color: var(--text-soft);
  cursor: pointer;
  text-align: left;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.bubble-style-option:hover {
  transform: translateY(-1px);
  border-color: rgba(91, 139, 255, 0.6);
}

.bubble-style-option.active {
  border-color: rgba(91, 139, 255, 0.82);
  background: rgba(91, 139, 255, 0.08);
  color: var(--text);
}

.bubble-style-label {
  font-size: 14px;
  font-weight: 700;
}

.bubble-style-note {
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-soft);
}

.shell[data-theme="dark"] .bubble-style-option {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
}

.shell[data-theme="dark"] .bubble-style-option.active {
  background: rgba(91, 139, 255, 0.14);
  border-color: rgba(91, 139, 255, 0.6);
}

.color-mode-option {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  text-align: left;
}

.color-mode-preview {
  position: relative;
  display: block;
  min-height: 96px;
  overflow: hidden;
  border: 1px solid rgba(119, 103, 84, 0.18);
  border-radius: 16px;
  background: #f4f2ef;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.52);
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}

.color-mode-option:hover .color-mode-preview,
.color-mode-option.active .color-mode-preview {
  transform: translateY(-1px);
  border-color: rgba(91, 139, 255, 0.82);
}

.color-mode-option.active .color-mode-label {
  color: var(--text);
}

.color-mode-preview-auto {
  background: linear-gradient(90deg, #f4f2ef 0 50%, #30312f 50% 100%);
}

.color-mode-preview-dark {
  background: #30312f;
}

.preview-line,
.preview-line.short,
.preview-input {
  position: absolute;
  left: 18px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.46;
}

.preview-line {
  top: 34px;
  width: 74px;
  height: 4px;
}

.preview-line.short {
  top: 24px;
  width: 48px;
}

.preview-input {
  left: 18px;
  right: 18px;
  bottom: 16px;
  height: 28px;
  opacity: 0.18;
  border: 1px solid currentColor;
  background: transparent;
}

.color-mode-preview-light {
  color: #5b554d;
}

.color-mode-preview-auto,
.color-mode-preview-dark {
  color: #d7d1c7;
}

.color-mode-label,
.color-mode-note {
  display: block;
}

.color-mode-label {
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-soft);
}

.color-mode-note {
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.35;
}

.home-background-picker {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.home-background-option {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  text-align: left;
}

.home-background-preview {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(119, 103, 84, 0.18);
  border-radius: 12px;
  background-image: var(--home-background-preview);
  background-position: center;
  background-size: cover;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.38);
  transition: border-color 160ms ease, transform 160ms ease, filter 160ms ease;
}

.home-background-option:hover .home-background-preview,
.home-background-option.active .home-background-preview {
  transform: translateY(-1px);
  border-color: rgba(91, 139, 255, 0.82);
  filter: saturate(1.04);
}

.home-background-option.active .home-background-label {
  color: var(--text);
}

.home-background-label,
.home-background-note {
  display: block;
}

.home-background-label {
  color: var(--text-soft);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
}

.home-background-note {
  color: var(--text-dim);
  font-size: 11px;
  line-height: 1.35;
}

@media (max-width: 760px) {
  .home-background-picker {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.toggle-button.subtle {
  background: transparent;
}

.switch-toggle {
  position: relative;
  width: 46px;
  height: 26px;
  padding: 0;
  border-radius: 999px;
  background: rgba(118, 95, 72, 0.12);
  border-color: rgba(118, 95, 72, 0.18);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.44);
}

.switch-toggle span {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 2px 8px rgba(72, 58, 42, 0.18);
  transform: translateX(-10px);
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.switch-toggle.on {
  background: var(--text);
  border-color: var(--text);
}

.switch-toggle.on span {
  transform: translateX(10px);
  background: #fff;
  box-shadow: 0 2px 10px rgba(21, 18, 14, 0.2);
}

.toggle-button.on {
  background: var(--surface-muted);
}

.stack-list {
  display: grid;
  gap: 10px;
}

.stack-title-row {
  align-items: flex-start;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 11px;
}

.kv-list {
  display: grid;
  gap: 10px;
}

.kv-row {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(119, 103, 84, 0.16);
  background: rgba(255, 255, 255, 0.66);
}

.kv-row span {
  color: var(--text-dim);
  font-size: 12px;
}

.kv-row code {
  font-family: Consolas, "SFMono-Regular", monospace;
  word-break: break-all;
}

.settings-empty {
  padding: 20px;
  border-radius: 12px;
  border: 1px dashed var(--line-strong);
  background: rgba(255, 255, 255, 0.6);
}

.toast {
  position: fixed;
  right: 24px;
  bottom: calc(var(--safe-bottom) + 24px);
  z-index: 60;
  max-width: min(360px, calc(100vw - 36px));
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.98);
  box-shadow: var(--shadow);
  color: var(--text);
  font-size: 13px;
  line-height: 1.55;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.shell[data-theme="dark"] .toast {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(31, 33, 35, 0.96);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
  color: var(--text);
}

.chat-scroll::-webkit-scrollbar,
.role-list::-webkit-scrollbar,
.settings-scroll::-webkit-scrollbar {
  width: 14px;
}

.chat-scroll::-webkit-scrollbar-track,
.role-list::-webkit-scrollbar-track,
.settings-scroll::-webkit-scrollbar-track {
  background: rgba(145, 126, 106, 0.08);
  border-radius: 999px;
}

.chat-scroll::-webkit-scrollbar-thumb,
.role-list::-webkit-scrollbar-thumb,
.settings-scroll::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(118, 95, 72, 0.42);
  border: 4px solid transparent;
  background-clip: padding-box;
}

.chat-scroll::-webkit-scrollbar-thumb:hover,
.role-list::-webkit-scrollbar-thumb:hover,
.settings-scroll::-webkit-scrollbar-thumb:hover {
  background: rgba(118, 95, 72, 0.5);
  background-clip: padding-box;
}

@media (max-width: 980px) {
  .shell {
    grid-template-columns: 64px minmax(0, 1fr);
  }

  .rail {
    padding-right: 10px;
    padding-left: 10px;
  }

  .role-panel {
    left: 76px;
    width: min(340px, calc(100vw - 92px));
  }

  .home-view {
    padding-right: 24px;
    padding-left: 24px;
  }

  .home-stage {
    top: max(104px, calc(50% - 182px));
    width: calc(100% - 48px);
  }

  .main-shell.home-timeline-active[data-view="home"] .home-stage {
    transform: translate(-50%, -50px);
  }

  .settings-page {
    padding-right: 24px;
    padding-left: 24px;
  }

  .chat-header-note {
    max-width: none;
    text-align: left;
    font-size: 12px;
  }

  .chat-scroll {
    padding-right: 12px;
    padding-left: 18px;
  }

  .main-shell.live2d-active[data-view="chat"] .chat-view {
    --live2d-message-shift-x: 0px;
    --live2d-model-shift-x: 0px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(188px, 30vh) minmax(0, 1fr);
  }

  .chat-live2d-panel {
    position: relative;
    grid-column: 1;
    grid-row: 1;
    inset: auto;
    min-height: 0;
  }

  .chat-live2d-stage {
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    min-width: 0;
    min-height: 0;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .chat-live2d-line {
    top: 14%;
    width: 100%;
  }

  .chat-live2d-floor {
    right: 10%;
    bottom: -9%;
    width: 80%;
    height: 46%;
  }

  .main-shell.live2d-active[data-view="chat"] .chat-scroll {
    grid-column: 1;
    grid-row: 2;
    padding-right: 18px;
    padding-left: 18px;
  }

  .main-shell.live2d-active[data-view="chat"] .messages {
    margin-right: auto;
    margin-left: auto;
    width: min(100%, 760px);
  }

  .chat-scroll-rail {
    display: none;
  }

  .composer-shell {
    width: calc(100% - 24px);
  }

  .main-shell[data-view="home"] .composer-shell {
    top: calc(50% - 22px);
    width: calc(100% - 36px);
  }

  .main-shell[data-view="home"] .home-suggestions {
    top: calc(100% + 14px);
    width: min(700px, calc(100vw - 168px));
  }
}

@media (max-width: 720px) {
  .color-mode-picker {
    grid-template-columns: 1fr;
  }

  .global-top-bar {
    padding-right: 10px;
    padding-left: 10px;
  }

  .top-bar-variant-chat {
    gap: 7px;
  }

  .top-bar-variant-chat .chat-header-name {
    max-width: 88px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 16px;
  }

  .top-bar-variant-chat .chat-nav-btn,
  .top-bar-variant-chat .chat-header-note {
    display: none;
  }

  .top-bar-variant-chat .mode-tabs {
    position: static;
    margin-left: auto;
    transform: none;
  }

  .mode-tab {
    padding: 4px 8px;
    font-size: 13px;
  }

  .top-bar-chat-avatar {
    width: 42px;
    height: 42px;
  }

  .role-panel {
    top: 10px;
    bottom: 10px;
    left: 74px;
    width: calc(100vw - 86px);
  }

  .home-view {
    padding-right: 18px;
    padding-left: 18px;
  }

  .home-stage {
    top: max(96px, calc(50% - 164px));
    width: calc(100% - 32px);
  }

  .main-shell.home-timeline-active[data-view="home"] .home-stage {
    transform: translate(-50%, -42px);
  }

  .home-title {
    font-size: clamp(34px, 12vw, 52px);
  }

  .settings-page {
    padding-right: 18px;
    padding-left: 18px;
  }

  .settings-header {
    flex-direction: column;
    align-items: stretch;
  }

  .settings-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .settings-tab-row {
    flex-direction: row;
    overflow-x: auto;
    padding: 0 0 10px;
    border-right: 0;
    border-bottom: 1px solid rgba(119, 103, 84, 0.16);
  }

  .settings-tab {
    flex: 0 0 auto;
    width: auto;
    min-width: 116px;
  }

  .chat-scroll {
    padding-top: 16px;
    padding-right: 24px;
    padding-left: 12px;
  }

  .main-shell.live2d-active[data-view="chat"] .chat-view {
    grid-template-rows: minmax(160px, 26vh) minmax(0, 1fr);
  }

  .chat-live2d-stage {
    min-height: 0;
  }

  .chat-scroll-rail {
    display: none;
  }

  .metric-grid {
    grid-template-columns: 1fr;
  }

  .public-hosting-status-row {
    flex-direction: column;
  }

  .public-hosting-grid {
    grid-template-columns: 1fr;
  }

  .composer-shell {
    width: calc(100% - 16px);
    padding: 10px;
  }

  .overload-picker {
    left: 10px;
    width: min(280px, calc(100vw - 92px));
    max-height: min(240px, 30vh);
  }

  .overload-volume {
    width: 58px;
  }

  .composer-bar {
    gap: 7px;
  }

  .main-shell[data-view="home"] .composer-shell {
    top: calc(50% - 18px);
    transform: translateX(-50%);
  }

  .main-shell[data-view="home"] .composer-promptline {
    font-size: 15px;
  }

  .main-shell[data-view="home"] .home-suggestions {
    top: calc(100% + 12px);
    width: calc(100vw - 104px);
  }

  .home-capability-row {
    gap: 8px;
    justify-content: flex-start;
  }

  .home-capability-chip {
    padding: 8px 11px;
  }

  .home-capability-panel {
    position: static;
    margin-top: 8px;
    max-height: 240px;
    padding: 10px 11px 7px;
  }

  .composer-foot,
  .settings-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .settings-row {
    align-items: flex-start;
  }
}

/* ══════════════════════════════════════════════════════════════
   MEDIA MODE
   ══════════════════════════════════════════════════════════════ */

/* ── Media Web Workspace ───────────────────────────────────── */
.main-shell[data-view="chat"][data-mode="media"] {
  --media-side-width: clamp(300px, 24vw, 360px);
  --media-side-inset: 14px;
}

.main-shell[data-view="chat"][data-mode="media"] .chat-view {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--media-side-width);
  grid-template-rows: minmax(0, 1fr);
  background: var(--main-bg);
}

.main-shell[data-view="chat"][data-mode="media"][data-media-rail-open="false"] {
  --media-side-width: 0px;
}

.main-shell[data-view="chat"][data-mode="media"][data-media-web-active="true"] {
  --media-side-width: clamp(320px, 26vw, 390px);
}

.main-shell[data-view="chat"][data-mode="media"][data-media-web-active="true"][data-media-rail-open="false"] {
  --media-side-width: 0px;
}

.main-shell[data-view="chat"][data-mode="media"] .chat-scroll {
  grid-column: 1;
  grid-row: 1;
  padding-right: 24px;
}

.main-shell[data-view="chat"][data-mode="media"][data-media-rail-open="true"] .composer-shell {
  left: calc((100% - var(--media-side-width)) / 2);
  width: min(840px, calc(100% - var(--media-side-width) - 48px));
  transform: translateX(-50%);
}

.main-shell[data-view="chat"][data-mode="media"][data-media-web-active="true"][data-media-rail-open="true"] .composer-shell {
  --composer-radius: 20px;
  left: auto;
  right: var(--media-side-inset);
  bottom: calc(var(--safe-bottom) + 18px);
  width: min(356px, calc(var(--media-side-width) - (var(--media-side-inset) * 2)));
  padding: 9px 12px 10px;
  transform: none;
}

.media-web-stage {
  grid-column: 1;
  grid-row: 1;
  position: relative;
  align-self: stretch;
  justify-self: stretch;
  min-width: 0;
  min-height: 0;
  height: 100%;
  margin: 0;
  display: block;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.main-shell[data-view="chat"][data-mode="media"][data-media-web-active="true"] .media-web-stage {
  margin: 0;
}

.main-shell[data-view="chat"][data-mode="media"][data-media-web-active="true"] .composer-textarea-wrap {
  min-height: 46px;
}

.main-shell[data-view="chat"][data-mode="media"][data-media-web-active="true"] .composer-textarea {
  min-height: 38px;
  max-height: 132px;
  font-size: 14px;
}

.media-web-toolbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 48px;
  padding: 8px 10px 8px 14px;
  border-bottom: 1px solid rgba(118, 95, 72, 0.16);
  background: rgba(255, 255, 255, 0.82);
}

.media-web-title-block {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.media-web-kicker,
.media-rail-kicker {
  font-size: 10px;
  line-height: 1;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.media-web-title-block strong,
.media-rail-head strong {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  line-height: 1.25;
  color: var(--text);
}

.media-web-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 0 0 auto;
}

.media-rail-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 3px;
  margin-left: auto;
}

.media-web-floating-actions {
  position: absolute;
  top: 16px;
  right: 18px;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(118, 95, 72, 0.16);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.media-web-icon-button,
.media-rail-icon-button {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.media-web-icon-button:hover,
.media-rail-icon-button:hover,
.media-rail-collapsed-button:hover {
  background: rgba(147, 197, 253, 0.14);
  color: var(--text);
}

.media-web-icon-button:active,
.media-rail-icon-button:active,
.media-rail-collapsed-button:active {
  transform: scale(0.96);
}

.media-web-icon-button svg,
.media-rail-icon-button svg,
.media-rail-collapsed-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.media-web-frame-shell {
  flex: 1 1 auto;
  min-height: 0;
  background: rgba(247, 250, 253, 0.9);
}

.media-web-frame {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  border: 0;
  background: #fff;
}

.media-web-stage > .media-web-fallback {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.media-web-frame-shell.fallback-active {
  display: grid;
  place-items: center;
  padding: 24px;
}

.media-web-fallback {
  width: min(100%, 560px);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  color: var(--text-soft);
}

.media-web-fallback-mark,
.media-web-preset-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: color-mix(in srgb, var(--media-rail-soft, rgba(147, 197, 253, 0.18)) 70%, #fff);
  border: 1px solid color-mix(in srgb, var(--media-rail-border, rgba(147, 197, 253, 0.38)) 78%, transparent);
  color: var(--media-rail-accent, #2563eb);
  font-size: 12px;
  font-weight: 800;
}

.media-web-fallback-copy {
  min-width: 0;
}

.media-web-fallback-copy h2 {
  margin: 0 0 6px;
  font-size: 20px;
  line-height: 1.2;
  color: var(--text);
}

.media-web-fallback-copy p,
.media-web-fallback-copy span {
  display: block;
  margin: 0;
  overflow-wrap: anywhere;
  font-size: 13px;
  line-height: 1.45;
}

.media-web-primary-link {
  grid-column: 2;
  width: fit-content;
  margin-top: 2px;
  padding: 7px 12px;
  border-radius: 8px;
  background: rgba(37, 99, 235, 0.09);
  color: #1d4ed8;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
}

.media-context-rail {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 14px 14px 16px;
  border-left: 1px solid rgba(118, 95, 72, 0.16);
  background: rgba(255, 255, 255, 0.56);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition: width 180ms ease, padding 180ms ease, background 180ms ease;
}

.main-shell[data-view="chat"][data-mode="media"][data-media-web-active="true"][data-media-rail-open="true"] .media-context-rail {
  padding-bottom: 168px;
}

.media-context-rail[data-open="false"] {
  position: absolute;
  top: 18px;
  right: 18px;
  bottom: auto;
  z-index: 14;
  width: auto;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  overflow: visible;
}

.main-shell[data-view="chat"][data-mode="media"][data-media-web-active="true"] .media-context-rail[data-open="false"] {
  top: 66px;
}

.media-rail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(118, 95, 72, 0.12);
}

.media-rail-head > div:not(.media-rail-actions) {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.media-web-preset-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 12px;
}

.media-web-preset {
  width: 100%;
  min-height: 58px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 8px 4px;
  border: 0;
  border-bottom: 1px solid rgba(118, 95, 72, 0.1);
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 160ms ease, transform 160ms ease;
}

.media-web-preset:hover {
  background: rgba(147, 197, 253, 0.1);
  transform: translateX(2px);
}

.media-web-preset-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.media-web-preset-copy strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  color: var(--text);
}

.media-web-preset-copy span,
.media-rail-live2d-caption span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  color: var(--text-dim);
}

.media-web-preset-arrow {
  color: var(--text-dim);
  font-size: 13px;
}

.media-rail-collapsed-button {
  width: auto;
  height: 36px;
  min-height: 36px;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 7px;
  white-space: nowrap;
  margin: 0;
  padding: 0 12px;
  border: 1px solid rgba(118, 95, 72, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text-soft);
  box-shadow: 0 12px 28px rgba(70, 89, 118, 0.12);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.media-rail-collapsed-button span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  white-space: nowrap;
}

.media-rail-live2d {
  flex: 1 1 auto;
  height: auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.media-rail-live2d-stage {
  flex: 1 1 auto;
  min-height: 340px;
  max-height: none;
  position: relative;
  overflow: hidden;
  margin-top: 14px;
  background: transparent;
  border-bottom: 0;
  /* 同 .chat-live2d-stage 的底部虚化、防止 media rail 模式下截肢感 */
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 78%, rgba(0,0,0,0.55) 92%, rgba(0,0,0,0) 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 78%, rgba(0,0,0,0.55) 92%, rgba(0,0,0,0) 100%);
}

.media-rail-live2d-stage canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
}

.media-rail-live2d-caption {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 12px;
}

.media-rail-text-button {
  flex: 0 0 auto;
  border: 0;
  border-radius: 8px;
  background: rgba(37, 99, 235, 0.08);
  color: #1d4ed8;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.shell[data-theme="dark"] .main-shell[data-view="chat"][data-mode="media"] .chat-view {
  background: var(--main-bg);
}

.shell[data-theme="dark"] .media-web-toolbar,
.shell[data-theme="dark"] .media-context-rail,
.shell[data-theme="dark"] .media-rail-collapsed-button {
  background-color: rgba(20, 28, 38, 0.78);
  border-color: rgba(148, 163, 184, 0.18);
}

.shell[data-theme="dark"] .media-web-floating-actions {
  background: rgba(20, 28, 38, 0.72);
  border-color: rgba(148, 163, 184, 0.18);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
}

.shell[data-theme="dark"] .media-context-rail[data-open="false"] {
  background: transparent;
  background-color: transparent;
  border-color: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.shell[data-theme="dark"] .media-web-frame-shell {
  background: rgba(15, 23, 42, 0.82);
}

.shell[data-theme="dark"] .media-web-primary-link,
.shell[data-theme="dark"] .media-rail-text-button {
  background: rgba(96, 165, 250, 0.14);
  color: #bfdbfe;
}

@media (max-width: 760px) {
  .main-shell[data-view="chat"][data-mode="media"] .chat-view,
  .main-shell[data-view="chat"][data-mode="media"][data-media-rail-open="false"] .chat-view {
    grid-template-columns: minmax(0, 1fr);
  }

  .main-shell[data-view="chat"][data-mode="media"] .chat-scroll {
    padding-right: 16px;
  }

  .media-web-stage {
    margin: 10px 8px calc(var(--composer-height) + 18px);
  }

  .main-shell[data-view="chat"][data-mode="media"][data-media-web-active="true"] .media-web-stage {
    margin: 0 0 calc(var(--composer-height) + 8px);
  }

  .main-shell[data-view="chat"][data-mode="media"][data-media-web-active="true"] .composer-shell {
    left: 50%;
    right: auto;
    bottom: calc(var(--safe-bottom) + 18px);
    width: calc(100% - 16px);
    transform: translateX(-50%);
  }

  .media-web-toolbar {
    min-height: 44px;
    padding-left: 10px;
  }

  .media-web-title-block strong {
    font-size: 13px;
  }

  .media-web-frame {
    min-height: 320px;
  }

  .media-web-fallback {
    grid-template-columns: minmax(0, 1fr);
  }

  .media-web-primary-link {
    grid-column: 1;
  }

  .media-context-rail {
    position: absolute;
    top: 0;
    right: 0;
    bottom: calc(var(--composer-height) + 8px);
    width: min(360px, calc(100% - 12px));
    z-index: 12;
    grid-column: 1;
    margin: 0;
    border-left: 1px solid rgba(118, 95, 72, 0.2);
    box-shadow: -18px 0 42px rgba(70, 89, 118, 0.14);
    transform: translateX(0);
    transition: transform 180ms ease, width 180ms ease;
  }

  .media-context-rail[data-open="false"] {
    top: 12px;
    right: 12px;
    bottom: auto;
    width: auto;
    padding: 0;
    border: 0;
    transform: translateX(0);
    box-shadow: none;
  }

  .media-rail-live2d-stage {
    min-height: 230px;
    max-height: 42vh;
  }
}

/* ── Media Cards ──────────────────────────────────────────── */
.media-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  max-width: 420px;
  margin: 8px 0;
  background: var(--bg, #fff);
}

.media-card.media-card-iframe {
  max-width: none;
}

.media-card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(0,0,0,0.03), rgba(0,0,0,0.08));
}

.media-card-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-card-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  opacity: 0.4;
}

.media-play-btn {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}
.media-play-btn:hover {
  background: rgba(0, 0, 0, 0.5);
}
.media-play-btn svg {
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.3));
}

.media-card-info {
  padding: 10px 14px;
}

.media-card-title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.media-card-source {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

/* ── Audio Player (Inline) ────────────────────────────────── */
.media-card-audio {
  max-width: none;
  padding: 0;
}

.media-audio-player-row {
  display: flex;
  gap: 10px;
  padding: 12px 14px 4px;
  align-items: center;
}

.media-audio-body {
  flex: 1;
  min-width: 0;
}

.media-audio-body .media-card-title {
  font-size: 13px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.media-audio-body .media-card-source {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 1px;
}

.media-audio-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
}

.media-audio-play-pause {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--speaker-ink, #888);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.15s, opacity 0.15s;
}

.media-audio-play-pause:hover {
  transform: scale(1.1);
}

.media-audio-play-pause:active {
  transform: scale(0.95);
}

.media-audio-progress {
  flex: 1;
  height: 4px;
  background: var(--line);
  border-radius: 2px;
  cursor: pointer;
  overflow: hidden;
  position: relative;
}

.media-audio-fill {
  height: 100%;
  width: 0%;
  background: var(--speaker-ink, #888);
  border-radius: 2px;
  transition: width 0.1s linear;
}

.media-audio-time {
  font-size: 10px;
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  color: var(--text-dim);
  white-space: nowrap;
  min-width: 32px;
  text-align: right;
}

.media-audio-actions {
  display: flex;
  gap: 6px;
  padding: 0 14px 10px;
  align-items: center;
}

.media-card-audio.playing {
  border-color: var(--speaker-ink, var(--line));
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

/* ── Listen Together Button ───────────────────────────────── */
.media-listen-btn {
  display: inline-block;
  margin: 0;
  padding: 4px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--speaker-ink, var(--line));
  background: transparent;
  color: var(--speaker-ink, #666);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.media-listen-btn:hover {
  background: var(--speaker-soft, rgba(0, 0, 0, 0.04));
}

/* ── Save Button ──────────────────────────────────────────── */
.media-save-btn {
  display: inline-block;
  margin: 0 14px 10px;
  padding: 4px 12px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: transparent;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.2s;
}
.media-save-btn:hover {
  background: rgba(0, 0, 0, 0.04);
}

/* ── Video ────────────────────────────────────────────────── */
.media-video-player {
  width: 100%;
  display: block;
  min-height: 240px;                  /* 预留空间、避免 load metadata 时从 0 跳大 */
  max-height: calc(100vh - 280px);
  aspect-ratio: 16 / 9;               /* 16:9 比例锁定布局 */
  background: #000;
}

.media-card.media-card-video {
  max-width: none;
  overflow: visible;
}

.media-message .media-card-video {
  max-width: none;
  width: 100%;
}

.media-video-player:fullscreen,
.media-video-player:-webkit-full-screen {
  max-height: none;
  width: 100vw;
  height: 100vh;
}

/* ── Iframe Embed ─────────────────────────────────────────── */
.media-card-iframe {
  max-width: 100%;
  border-radius: 14px;
}

.media-iframe-header {
  display: flex;
  align-items: center;
  padding: 8px 14px;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.02);
}

.media-iframe-title {
  flex: 1;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-dim);
}

.media-iframe-external {
  color: var(--speaker-ink, #666);
  text-decoration: none;
  font-size: 16px;
}

.media-iframe-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-dim);
  padding: 2px 4px;
}

.media-iframe-embed {
  width: 100%;
  height: calc(100vh - 280px);
  min-height: 400px;
  border: none;
  display: block;                     /* 避免 inline 下 baseline 引入的间隙 */
  background: rgba(0, 0, 0, 0.02);    /* load 前有个底色、不是白屏闪 */
}

/* iframe 容器撑满聊天宽度 */
.media-message .media-card-iframe {
  max-width: none;
  width: 100%;
}

.message-row.media-message .message-inner {
  max-width: 100% !important;
  width: 100% !important;
}

.message-row.media-message {
  max-width: 100%;
}

/* ── Image Grid ───────────────────────────────────────────── */
.media-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
  padding: 10px;
}

.media-image-cell {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
}

.media-image-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s;
}

.media-image-cell:hover img {
  transform: scale(1.05);
}

/* ── Lightbox ─────────────────────────────────────────────── */
.media-lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-lightbox-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
}

.media-lightbox-close {
  position: absolute;
  top: 16px;
  right: 16px;
  color: white;
  font-size: 24px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  transition: background 0.2s;
}
.media-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ── Media Composer ───────────────────────────────────────── */
.media-composer-input {
  font-family: inherit;
}

/* ══════════════════════════════════════════════════════════════
   FILE PANEL (Artifacts)
   ══════════════════════════════════════════════════════════════ */
/* ── File Panel (Artifacts-style fullscreen) ──────────────── */
.file-panel {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--bg, #fff);
  transform: translateY(12px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  display: flex;
  flex-direction: column;
}

.file-panel.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.file-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px 0;
  flex-shrink: 0;
}

.file-panel-header h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
}

.file-panel-tabs {
  display: flex;
  gap: 6px;
  padding: 16px 28px 0;
  overflow-x: auto;
  flex-shrink: 0;
  border-bottom: 1px solid var(--line);
}

.file-tab {
  padding: 6px 16px 10px;
  border-radius: 0;
  font-size: 14px;
  font-weight: 500;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  color: var(--text-dim);
  transition: all 0.15s;
}

.file-tab:hover {
  color: var(--text);
}

.file-tab.active {
  color: var(--text);
  border-bottom-color: var(--text);
  background: transparent;
}

.file-panel-list {
  flex: 1;
  overflow-y: auto;
  padding: 20px 28px;
}

.file-panel-empty {
  padding: 80px 16px;
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
}

/* ── File Card Grid ───────────────────────────────────────── */
.file-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.file-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg, #fff);
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.15s;
  position: relative;
}

.file-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

.file-card-preview {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-card-preview img,
.file-card-preview video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-card-preview-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}

.file-card-preview-placeholder.audio-bg {
  background: linear-gradient(135deg, #fce4ec, #f3e5f5);
}

.file-card-preview-placeholder.video-bg {
  background: linear-gradient(135deg, #e8eaf6, #e0f2f1);
}

.file-card-preview-placeholder.doc-bg {
  background: linear-gradient(135deg, #fff3e0, #fbe9e7);
}

.file-card-preview-ext {
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.25);
  letter-spacing: 0.05em;
}

.file-card-info {
  padding: 10px 12px;
}

.file-card-name {
  font-size: 13px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.4;
}

.file-card-meta {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
}

.file-card-delete {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.85);
  border: none;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
  backdrop-filter: blur(4px);
}

.file-card:hover .file-card-delete {
  opacity: 1;
}

/* ── Content Views (inline, not overlay) ──────────────────── */
.content-view {
  padding: 32px 28px;
  overflow-y: auto;
  height: 100%;
}
.content-view-header {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.content-view-header h2, .content-view-header h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0;
}
.content-view-sub {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
}
.content-view-close {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: rgba(0, 0, 0, 0.04);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: background 0.15s;
  flex-shrink: 0;
}
.content-view-close:hover {
  background: rgba(0, 0, 0, 0.08);
  color: var(--text);
}

/* ── Today View ───────────────────────────────────────────── */
.today-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 8px 96px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.today-loading {
  padding: 64px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
}

/* — Hero — */
.today-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.today-hero-main {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.today-hero-kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.today-hero-date {
  margin: 0;
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
}

.today-hero-meta {
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-size: 13px;
  color: var(--text-dim);
}
.today-hero-sep { opacity: 0.55; }

.today-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.today-tag {
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-muted, rgba(0, 0, 0, 0.03));
  color: var(--text-dim);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.today-hero-clocks {
  display: flex;
  gap: 24px;
  align-items: flex-end;
}
.today-clock {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}
.today-clock-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.today-clock-time {
  font-size: 22px;
  font-weight: 700;
  font-feature-settings: "tnum";
  letter-spacing: 0.04em;
  font-family: "SF Mono","JetBrains Mono","Fira Code",ui-monospace,monospace;
  color: var(--text);
}

/* — Section frame (used for calendar / song / news) — */
.today-section { display: flex; flex-direction: column; gap: 14px; }

.today-section-calendar {
  gap: 12px;
}

.today-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.today-section-head h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}
.today-section-meta {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 500;
}

.today-translate-btn {
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  font-size: 11px;
  font-weight: 600;
  font-family: inherit;
  color: var(--text-dim);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}
.today-translate-btn:hover { color: var(--text); background: var(--surface-muted, rgba(0, 0, 0, 0.04)); }
.today-translate-btn:disabled { opacity: 0.6; cursor: default; }

/* — Month grid (day numbers + special labels) — */
.today-month-grid {
  --today-cal-bg: var(--surface-muted, rgba(0, 0, 0, 0.025));
  --today-cell-bg: rgba(0, 0, 0, 0.04);
  --today-cell-checked-normal: #4d9b6a;     /* 普通日 · 绿 */
  --today-cell-checked-special: #5489d5;    /* 特殊日 · 蓝 */
  --today-cell-special-fg: #5489d5;
  --today-cell-today-ring: rgba(0, 0, 0, 0.85);
  --today-axis-fg: var(--text-dim);
  --today-cell-aspect: 1.12;
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: min(100%, 636px);
  align-self: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--today-cal-bg);
  user-select: none;
}

.today-month-axis,
.today-month-cells {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}
.today-day-axis {
  text-align: center;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--today-axis-fg);
  letter-spacing: 0.04em;
  padding-bottom: 2px;
}

.today-day-cell {
  aspect-ratio: var(--today-cell-aspect);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  border-radius: 7px;
  background: var(--today-cell-bg);
  transition: transform 140ms ease, background 160ms ease, color 160ms ease, box-shadow 160ms ease;
  position: relative;
  overflow: hidden;
  cursor: default;
}
.today-day-cell.is-empty {
  background: transparent;
  pointer-events: none;
}
.today-day-cell.is-future {
  opacity: 0.42;
}
.today-day-num {
  color: currentColor;
  font-size: 13.5px;
  font-weight: 700;
  line-height: 1;
  font-feature-settings: "tnum";
}
.today-day-label {
  font-size: 9px;
  line-height: 1.05;
  letter-spacing: 0;
  color: var(--text-dim);
  max-width: 100%;
  padding: 0 2px;
  text-align: center;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-all;
}
.today-day-cell.is-special .today-day-label {
  color: var(--today-cell-special-fg);
  font-weight: 600;
}
.today-day-cell.is-checked {
  background: var(--today-cell-checked-normal);
  color: #fff;
}
.today-day-cell.is-checked.is-special {
  background: var(--today-cell-checked-special);
  color: #fff;
}
.today-day-cell.is-checked .today-day-label {
  color: rgba(255, 255, 255, 0.85);
}
.today-day-cell.is-today {
  box-shadow: inset 0 0 0 1.5px var(--today-cell-today-ring);
}
.today-day-cell:hover:not(.is-empty) {
  transform: scale(1.04);
  z-index: 1;
}

/* Phase Birthday UI (2026-05-27): 角色生日单元格 — 用 --bday-color CSS var
 * 未打卡时：char-tinted bg + char-color label。打卡后：转 char-color 实色 + 白字。
 * 优先级高于 is-special（覆盖蓝色节日色）。 */
.today-day-cell.is-birthday {
  background: color-mix(in srgb, var(--bday-color, #f9a8d4) 28%, transparent);
  color: var(--text);
}
.today-day-cell.is-birthday .today-day-label {
  color: color-mix(in srgb, var(--bday-color, #f9a8d4) 80%, #000);
  font-weight: 700;
}
.today-day-cell.is-birthday.is-checked {
  background: var(--bday-color, #f9a8d4);
  color: #fff;
}
.today-day-cell.is-birthday.is-checked .today-day-label {
  color: rgba(255, 255, 255, 0.95);
}
.today-day-cell.is-birthday.is-today {
  box-shadow: inset 0 0 0 2px var(--bday-color, #f9a8d4),
              0 0 0 1px rgba(0, 0, 0, 0.12);
}

/* Hero birthday chip — 显示「🎂 今日是 X 的生日」+ 祝福数 + 点击 cta */
.today-hero-birthday {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  padding: 8px 14px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--bday-color, #f9a8d4) 18%, transparent);
  border: 1.5px solid color-mix(in srgb, var(--bday-color, #f9a8d4) 55%, transparent);
  color: var(--text);
  font-size: 13.5px;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
  user-select: none;
}
.today-hero-birthday:hover {
  transform: translateY(-1px);
  background: color-mix(in srgb, var(--bday-color, #f9a8d4) 28%, transparent);
  border-color: color-mix(in srgb, var(--bday-color, #f9a8d4) 75%, transparent);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--bday-color, #f9a8d4) 30%, transparent);
}
.today-hero-birthday[data-bday-ready="0"] {
  cursor: default;
}
.today-hero-birthday[data-bday-ready="0"]:hover {
  transform: none;
  box-shadow: none;
}
.today-hero-birthday-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bday-color, #f9a8d4);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--bday-color, #f9a8d4) 30%, transparent);
}
.today-hero-birthday-text {
  font-weight: 500;
  color: var(--text);
}
.today-hero-birthday-text strong {
  font-weight: 700;
  color: color-mix(in srgb, var(--bday-color, #f9a8d4) 75%, var(--text));
}
.today-hero-birthday-cta {
  margin-left: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--bday-color, #f9a8d4) 55%, transparent);
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.today-hero-birthday-cta-muted {
  background: color-mix(in srgb, var(--text-dim) 45%, transparent);
}

/* — Check-in row — */
.today-checkin-row {
  display: flex;
  justify-content: flex-start;
  margin-top: 4px;
}
.today-checkin-btn {
  padding: 8px 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  color: var(--text);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}
.today-checkin-btn:hover:not(.checked) {
  background: var(--text);
  color: var(--main-bg, #fff);
  border-color: var(--text);
}
.today-checkin-btn.checked {
  background: var(--surface-muted, rgba(0, 0, 0, 0.04));
  color: var(--text-dim);
  cursor: default;
}

@media (max-width: 520px) {
  [data-today-view].content-view {
    padding-inline: 16px;
  }

  .today-shell {
    padding-inline: 0;
  }

  .today-month-grid {
    --today-cell-aspect: 0.98;
    width: 100%;
    padding: 10px;
  }

  .today-month-axis,
  .today-month-cells {
    gap: 4px;
  }

  .today-day-cell {
    border-radius: 6px;
  }

  .today-day-num {
    font-size: clamp(11px, 3.1vw, 13px);
  }

  .today-day-label {
    font-size: clamp(6.5px, 2.1vw, 8px);
    line-height: 1;
  }
}

/* — Song — */
.today-song {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-muted, rgba(0, 0, 0, 0.02));
}
.today-song-cover {
  width: 96px;
  height: 96px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.06);
}
.today-song-cover-placeholder { /* fallback */ }
.today-song-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.today-song-name { font-size: 16px; font-weight: 700; line-height: 1.3; color: var(--text); }
.today-song-reason { font-size: 12.5px; color: var(--text-dim); line-height: 1.55; }
.today-song-player {
  width: 100%;
  height: 32px;
  margin-top: 4px;
}

/* — News — */
.today-news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.today-news-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text);
}
.today-news-item:last-child { border-bottom: none; }
.today-news-text { display: block; word-break: break-word; }
.today-news-translated {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-dim);
}

/* 2026-05-12: 见闻三类样式（地方物候 / 节日 / per-char）—— 与 today-news-list 视觉统一：
   border-bottom 分隔、纯文本行、chip 仅作为低饱和度 prefix label、不再让 item 整体变 card。 */
.today-observation-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.today-observation-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text);
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}
.today-observation-item:last-child {
  border-bottom: none;
}
.today-observation-region,
.today-observation-dim {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  border-radius: 6px;
  font-size: 11px;
  line-height: 1.3;
  font-weight: 600;
  color: var(--text-dim);
  background: rgba(103, 84, 64, 0.07);
  border: 1px solid rgba(103, 84, 64, 0.1);
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.today-observation-text {
  flex: 1;
  word-break: break-word;
  color: var(--text);
}

/* observation 内翻译结果换行显示 + dim 文字（与 today-news-translated 旧样式对齐） */
.today-observation-item .today-news-translated {
  flex-basis: 100%;
  margin-top: 4px;
  margin-left: 0;
  padding-left: 0;
  font-size: 12px;
  color: var(--text-dim);
  word-break: break-word;
}

/* 2026-05-12: regional observation item 顶部 banner 配图（only regional） */
.today-observation-list-banner {
  gap: 18px;
}
.today-observation-item-banner {
  display: block;          /* 覆盖 default flex、改成 banner 顶部 + body 在下 */
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.today-observation-item-banner:last-child {
  border-bottom: none;
}
.today-observation-banner {
  display: block;
  width: 100%;
  height: 100px;
  margin-bottom: 8px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(103, 84, 64, 0.06);
  cursor: pointer;
}
.today-observation-banner-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms ease;
}
.today-observation-banner:hover .today-observation-banner-img {
  transform: scale(1.04);
}
.today-observation-item-banner .today-observation-body {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13.5px;
  line-height: 1.55;
}
.today-observation-item-banner .today-news-translated {
  flex-basis: 100%;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-dim);
}
.shell[data-theme="dark"] .today-observation-banner {
  background: rgba(255, 255, 255, 0.04);
}

/* 节日 card 也降低视觉重量、与 news 风格保持一致 */
.today-section-festival .today-festival-card {
  padding: 0;
  background: transparent;
  border: none;
}
.today-festival-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.today-festival-summary {
  display: block;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text);
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.today-festival-items {
  list-style: none;
  margin: 0;
  padding: 0;
}
.today-festival-items li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text);
}
.today-festival-items li:last-child {
  border-bottom: none;
}
.today-festival-card .today-news-translated {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-dim);
  word-break: break-word;
}

.shell[data-theme="dark"] .today-observation-region,
.shell[data-theme="dark"] .today-observation-dim {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  border-color: rgba(255, 255, 255, 0.08);
}
/* festival card 在新设计里是 transparent、不需要 dark 变体；border-bottom 走 var(--line) 自适配 */

.profile-source-tag {
  font-size: 9px;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(0,0,0,0.05);
  color: var(--text-dim);
  margin-left: 4px;
}

/* ── Avatar/Title clickable ────────────────────────────────── */
.home-title, .chat-header-avatar, [data-home-dev-avatar] { cursor: pointer; }

/* ── Character Profile ─────────────────────────────────────── */
.profile-hero {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--pc, var(--line));
  flex-shrink: 0;
}
.profile-name { font-size: 24px; font-weight: 800; }
.profile-en { font-size: 13px; color: var(--text-dim); margin-top: 2px; }
.profile-tagline { font-size: 12px; color: var(--text-dim); margin-top: 4px; }

.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.profile-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.01);
}
.profile-card h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin: 0 0 10px;
}
.profile-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 4px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.profile-row span:first-child { color: var(--text-dim); }

.profile-bar-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  margin-bottom: 8px;
}
.profile-bar-row span:first-child { color: var(--text-dim); min-width: 48px; }
.profile-bar-row span:last-child { min-width: 24px; text-align: right; font-weight: 600; }
.profile-bar {
  flex: 1;
  height: 6px;
  background: var(--line);
  border-radius: 3px;
  overflow: hidden;
}
.profile-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s;
}

.profile-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.profile-tag {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.02);
}

.profile-diary { margin-top: 12px; }
.profile-diary p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 6px 0 0;
}

.profile-section {
  margin-bottom: 24px;
}
.profile-section h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin: 0 0 10px;
}
.profile-event {
  font-size: 13px;
  padding: 4px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.profile-event-time {
  color: var(--text-dim);
  margin-right: 10px;
  font-family: monospace;
  font-size: 11px;
}
.profile-moment {
  font-size: 13px;
  line-height: 1.6;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}
.profile-moment-date {
  font-size: 11px;
  color: var(--text-dim);
  margin-right: 8px;
}

/* ── Characters Grid ──────────────────────────────────────── */
/* ── Character List (QQ-style) ────────────────────── */
.char-grid {
  display: flex;
  flex-direction: column;
  padding: 0;
}

.char-list-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.char-list-item:last-child {
  border-bottom: none;
}

.char-list-item:hover {
  background: color-mix(in srgb, var(--char-color, var(--accent)) 8%, transparent);
}

/* 2026-06-01: Mujica 5 占位卡片 — 不可交互 */
.char-list-item.placeholder {
  cursor: default;
  opacity: 0.55;
  filter: grayscale(0.35);
}
.char-list-item.placeholder:hover {
  background: transparent;
}
.char-list-avatar-dimmed {
  opacity: 0.5;
}

.char-list-item.current {
  background:
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--char-color, var(--accent)) 16%, transparent),
      color-mix(in srgb, var(--char-color, var(--accent)) 5%, transparent)
    );
  box-shadow: inset 4px 0 0 var(--char-color, var(--accent));
}

.char-list-avatar-wrap {
  position: relative;
  flex-shrink: 0;
}

.char-list-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--line);
}

.char-list-item.current .char-list-avatar {
  border-color: var(--char-color, var(--accent));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--char-color, var(--accent)) 22%, transparent);
}

.char-list-unread-dot {
  position: absolute;
  top: -1px;
  right: -1px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #e74c3c;
  border: 2px solid #fff;
}

.char-list-info {
  flex: 1;
  min-width: 0;
}

.char-list-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.char-list-name {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.3;
}

.char-list-time {
  font-size: 12px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.char-list-preview {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.4;
}

/* ── Files grid 3-col ─────────────────────────────────────── */
.content-view .file-card-grid {
  grid-template-columns: repeat(3, 1fr);
}

/* ── Moments / 朋友圈 ─────────────────────────────────────── */
.moments-panel .moments-feed {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}
.moments-panel[hidden] { display: none !important; }

/* ── Moments / 朋友圈 (SNS-style timeline) ───────────────────── */

.moments-feed {
  max-width: 640px;
  margin: 0 auto;
  padding: 8px 24px 96px;
}

.moments-feed-status {
  padding: 64px 0;
  text-align: center;
  color: var(--text-dim);
  font-size: 14px;
}

.moments-feed-head {
  padding: 24px 0 18px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.moments-feed-kicker {
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.moments-feed-topic {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}
.moments-feed-date {
  font-size: 12px;
  color: var(--text-dim);
}

.moments-feed-list {
  display: flex;
  flex-direction: column;
}

.moment-post {
  display: flex;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  animation: moment-post-in 320ms ease both;
}
.moment-post:last-child { border-bottom: none; }

.moment-post-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--surface-muted, #f3eee5);
}

.moment-post-body {
  flex: 1;
  min-width: 0;
}

.moment-post-head {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 4px;
  flex-wrap: nowrap;
}
.moment-post-name {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
}
.moment-post-dot {
  color: var(--text-dim);
  font-weight: 700;
}
.moment-post-time {
  font-size: 13px;
  color: var(--text-dim);
}
.moment-post-emoji {
  margin-left: auto;
  font-size: 15px;
  line-height: 1;
  opacity: 0.85;
}

.moment-post-text {
  font-size: 15px;
  line-height: 1.62;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 2px 0 10px;
}

.moment-post-image-wrap {
  margin: 10px 0 12px;
  padding: 0;
  width: min(100%, 420px);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 8px;
  background: var(--surface-muted, rgba(0, 0, 0, 0.04));
  border: 1px solid var(--line);
}

.moment-post-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.moment-post-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 4px;
}
.moment-action {
  background: none;
  border: 0;
  padding: 4px 0;
  margin: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text-dim);
  transition: color 160ms ease, transform 160ms ease;
}
.moment-action:hover {
  color: var(--text);
}
.moment-action svg {
  width: 17px;
  height: 17px;
  display: block;
}
.moment-action span {
  font-variant-numeric: tabular-nums;
}
.moment-action-like:active {
  transform: scale(0.92);
}
.moment-action-like.is-active {
  color: #e0245e;
}
.moment-action-like.is-popping svg,
.moment-action-share.is-popping svg {
  animation: moment-heart-pop 380ms cubic-bezier(.34, 1.56, .64, 1);
}
@keyframes moment-heart-pop {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.32); }
  60%  { transform: scale(0.92); }
  100% { transform: scale(1); }
}

.moment-comment.is-local .moment-comment-name {
  position: relative;
}
.moment-comment.is-local {
  animation: moment-comment-in 220ms ease both;
}
@keyframes moment-comment-in {
  from { opacity: 0; transform: translateY(-3px); }
  to   { opacity: 1; transform: translateY(0); }
}

.moment-reply {
  margin-top: 10px;
  animation: moment-reply-in 200ms ease both;
}
.moment-reply[hidden] {
  display: none !important;
}
.moment-reply-input {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-muted, rgba(0, 0, 0, 0.03));
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  outline: none;
  transition: border-color 160ms ease, background 160ms ease;
}
.moment-reply-input::placeholder {
  color: var(--text-dim);
}
.moment-reply-input:focus {
  border-color: var(--text-dim);
  background: var(--surface, #fff);
}
@keyframes moment-reply-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.moment-likes-line {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  padding: 10px 12px;
  margin-top: 12px;
  border-radius: 12px;
  background: var(--surface-muted, rgba(0, 0, 0, 0.03));
}
.moment-likes-icon {
  display: inline-flex;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--text-dim);
}
.moment-likes-icon svg {
  width: 100%;
  height: 100%;
}
.moment-likes-names {
  word-break: break-word;
}

.moment-comments {
  margin-top: 6px;
  padding-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.moment-comment {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.moment-comment-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  margin-top: 2px;
  background: var(--surface-muted, #f3eee5);
}
.moment-comment-body {
  flex: 1;
  min-width: 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--text);
}
.moment-comment-name {
  font-weight: 600;
  margin-right: 6px;
}
.moment-comment-text {
  word-break: break-word;
}

@keyframes moment-post-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.moment-post:nth-child(1) { animation-delay: 0ms; }
.moment-post:nth-child(2) { animation-delay: 40ms; }
.moment-post:nth-child(3) { animation-delay: 80ms; }
.moment-post:nth-child(4) { animation-delay: 120ms; }
.moment-post:nth-child(5) { animation-delay: 160ms; }
.moment-post:nth-child(n+6) { animation-delay: 200ms; }

/* ── Message Board / 留言板 ───────────────────────────────── */
.message-board-view {
  --message-board-surface: rgba(255, 255, 255, 0.66);
  --message-board-surface-strong: rgba(255, 255, 255, 0.9);
  --message-board-ink: #26324a;
  --message-board-muted: #737b8f;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.58), transparent 260px),
    var(--main-bg);
}

.message-board-view::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(38, 50, 74, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 50, 74, 0.02) 1px, transparent 1px);
  background-size: 42px 42px, 42px 42px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.62), transparent 80%);
}

.message-board-header {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  align-items: center;
  gap: 22px;
  margin: 0;
  padding: 30px 36px 22px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
  background: rgba(255, 255, 255, 0.46);
}

.message-board-title-block {
  min-width: 0;
  flex: 1 1 auto;
}

.message-board-kicker {
  display: block;
  margin-bottom: 8px;
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.message-board-header h2 {
  color: var(--message-board-ink);
  font-size: 42px;
  font-weight: 820;
  line-height: 1.05;
}

.message-board-header .content-view-sub {
  max-width: 520px;
  margin-top: 7px;
  color: var(--message-board-muted);
  font-size: 14px;
}

.message-board-hero-strip {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-width: 0;
  padding-left: 18px;
  border-left: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.message-board-hero-copy {
  display: grid;
  gap: 2px;
  min-width: 116px;
  color: var(--message-board-muted);
  font-size: 12px;
  line-height: 1.25;
}

.message-board-hero-copy strong {
  color: var(--message-board-ink);
  font-size: 13px;
}

.message-board-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.message-board-status {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.64);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.message-board-actions .ghost-icon-button,
.message-board-actions .content-view-close {
  background: transparent;
  border: 0;
  border-radius: 0;
}

.message-board-body {
  position: relative;
  z-index: 1;
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 390px);
  min-height: 0;
}

.message-board-main-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  border-right: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.message-board-filter-shell {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  padding: 13px 34px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
  background: rgba(255, 255, 255, 0.34);
}

.message-board-filter-label {
  flex: 0 0 auto;
  color: var(--message-board-muted);
  font-size: 12px;
  font-weight: 800;
}

.message-board-filter,
.message-board-compose-targets {
  display: flex;
  gap: 8px;
  min-width: 0;
}

.message-board-filter {
  overflow-x: auto;
  scrollbar-width: none;
}

.message-board-compose-targets {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: visible;
}

.message-board-filter::-webkit-scrollbar {
  display: none;
}

.message-board-chip,
.message-board-target {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 5px 2px 7px;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  color: var(--text-soft);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 760;
  white-space: nowrap;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.message-board-chip:hover,
.message-board-chip.active,
.message-board-target:hover,
.message-board-target.active {
  transform: none;
  border-bottom-color: var(--message-board-accent, var(--line-strong));
  background: transparent;
  color: var(--text);
  box-shadow: none;
}

.message-board-avatar-stack {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
}

.message-board-avatar-frame {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 50%;
  background: color-mix(in srgb, var(--message-board-accent, #93c5fd) 18%, var(--surface-muted));
  color: var(--text-soft);
  font-size: 10px;
  font-weight: 900;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.message-board-avatar-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.message-board-target-avatars {
  display: inline-flex;
  align-items: center;
  min-width: 24px;
}

.message-board-target-avatars .message-board-avatar-frame {
  width: 22px;
  height: 22px;
  margin-left: 0;
  border: 2px solid rgba(255, 255, 255, 0.82);
}

.message-board-target-avatars .message-board-avatar-frame:first-child {
  margin-left: 0;
}

.message-board-group-mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: color-mix(in srgb, var(--message-board-accent, #93c5fd) 70%, var(--text));
  background: transparent;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: 0;
}

.message-board-feed {
  flex: 1 1 auto;
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
  padding: 24px 34px 32px;
  scrollbar-gutter: stable;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent 170px),
    repeating-linear-gradient(180deg, transparent 0 45px, rgba(38, 50, 74, 0.022) 46px);
}

.message-board-empty {
  align-self: center;
  justify-self: center;
  display: grid;
  place-items: center;
  gap: 16px;
  width: min(680px, 100%);
  margin: auto 0;
  padding: 72px 28px;
  color: var(--message-board-muted);
  font-size: 16px;
  line-height: 1.75;
  text-align: center;
}

.message-board-empty strong {
  color: var(--message-board-ink);
  font-size: 24px;
  line-height: 1.3;
}

.message-board-empty-avatars {
  min-width: 190px;
  justify-content: center;
  margin-bottom: 4px;
}

.message-board-empty-avatars .message-board-avatar-frame {
  width: 56px;
  height: 56px;
  margin-left: -14px;
  border: 2px solid rgba(255, 255, 255, 0.88);
  box-shadow: none;
}

.message-board-empty-avatars .message-board-avatar-frame:first-child {
  margin-left: 0;
}

/* ── Message Board: iMessage-style bubble thread ─────────── */
.mb-thread {
  --mb-accent: #93c5fd;
  display: flex;
  margin-bottom: 20px;
  animation: message-board-in 260ms ease both;
}
.mb-thread.mb-from-user { justify-content: flex-end; }
.mb-thread.mb-from-role { justify-content: flex-start; }

.mb-bubble-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: min(80%, 720px);
  min-width: 0;
}
.mb-from-user .mb-bubble-row {
  flex-direction: row-reverse;
}

.mb-avatar-slot {
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: flex-start;
  padding-top: 22px;
}
.mb-avatar-slot .mb-avatar-stack {
  width: 44px;
  height: 44px;
}
.mb-avatar-slot .message-board-avatar-frame {
  width: 44px;
  height: 44px;
  border: 2px solid rgba(255, 255, 255, 0.84);
  box-shadow: 0 10px 22px color-mix(in srgb, var(--mb-accent) 18%, rgba(38, 50, 74, 0.08));
}
.mb-avatar-slot .mb-avatar-stack.is-group .message-board-avatar-frame {
  position: absolute;
  width: 25px;
  height: 25px;
  margin: 0;
  border: 2px solid var(--main-bg, #fff);
  box-shadow: 0 6px 14px rgba(38, 50, 74, 0.08);
}
.mb-avatar-stack.is-group {
  position: relative;
}
.mb-avatar-slot .mb-avatar-stack.is-group .message-board-avatar-frame:nth-child(1) { left: 0; top: 2px; }
.mb-avatar-slot .mb-avatar-stack.is-group .message-board-avatar-frame:nth-child(2) { right: 1px; top: 0; }
.mb-avatar-slot .mb-avatar-stack.is-group .message-board-avatar-frame:nth-child(3) { left: 8px; bottom: 0; }
.mb-avatar-slot .mb-avatar-stack.is-group .message-board-avatar-frame:nth-child(4) { right: 0; bottom: 4px; }
.mb-avatar-slot .mb-avatar-stack.is-group .message-board-avatar-frame:nth-child(5) { left: 17px; top: 10px; }

.mb-target-slot {
  opacity: 1;
}

.message-board-developer-avatar .message-board-avatar-frame {
  background: color-mix(in srgb, #22c7d6 18%, var(--surface-muted));
  border-color: color-mix(in srgb, #22c7d6 46%, rgba(255, 255, 255, 0.84));
}

.mb-bubble-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 0 1 auto;
}
.mb-from-user .mb-bubble-col { align-items: flex-end; }
.mb-from-role .mb-bubble-col { align-items: flex-start; }

.mb-meta-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 4px;
  max-width: 100%;
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.4;
  padding: 0 4px;
}
.mb-meta-author {
  font-weight: 700;
  color: var(--text);
}
.mb-meta-arrow,
.mb-meta-target {
  color: var(--text-dim);
}
.mb-meta-target {
  font-weight: 600;
}
.mb-meta-time {
  margin-left: auto;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.mb-bubble {
  position: relative;
  padding: 13px 16px;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
  border: 1px solid var(--line);
  box-shadow: none;
}
.mb-from-user .mb-bubble {
  border-color: color-mix(in srgb, var(--mb-accent) 28%, var(--line));
  background: rgba(255, 255, 255, 0.88);
  border-radius: 8px 8px 2px 8px;
}
.mb-from-user .mb-meta-author {
  color: color-mix(in srgb, var(--mb-accent) 72%, var(--text));
}
.mb-from-role .mb-bubble {
  border-color: color-mix(in srgb, var(--mb-accent) 26%, var(--line));
  background: rgba(255, 255, 255, 0.76);
  border-radius: 8px 8px 8px 2px;
}
.mb-from-role .mb-bubble::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 0;
  width: 34px;
  height: 3px;
  border-radius: 999px;
  background: var(--mb-accent);
  opacity: 0.52;
}

.mb-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 0 4px;
}

.mb-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border-radius: 0;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.mb-status-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mb-accent);
  opacity: 0.72;
}

/* Status states */
.mb-thread.mb-status-pending .mb-status-pill {
  animation: mb-status-pulse 1.8s ease-in-out infinite;
}
.mb-thread.mb-status-expired { opacity: 0.5; }
.mb-thread.mb-status-expired .mb-bubble { text-decoration: line-through; text-decoration-color: var(--text-dim); }
.mb-thread.mb-status-replied .mb-status-pill {
  border-color: color-mix(in srgb, var(--text) 24%, var(--line));
  color: var(--text);
}

@keyframes mb-status-pulse {
  0%, 100% { opacity: 0.6; }
  50%      { opacity: 1; }
}

/* Reply input */
.mb-reply {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin-top: 10px;
  width: 100%;
  max-width: 100%;
}
.mb-reply-input {
  flex: 1 1 auto;
  min-width: 0;
  width: 100%;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  line-height: 1.5;
  outline: none;
  resize: none;
  transition: background 160ms ease, border-color 160ms ease;
}
.mb-reply-input:focus {
  background: #fff;
  border-color: color-mix(in srgb, var(--mb-accent) 46%, var(--text-dim));
}
.mb-reply-send {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--message-board-ink);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: transform 160ms ease, background 160ms ease;
}
.mb-reply-send svg {
  width: 16px;
  height: 16px;
}
.mb-reply-send:hover { transform: scale(1.05); }
.mb-reply-send:active { transform: scale(0.92); }

/* Note: shown when char→me message has been replied (next-conv hint) */
.mb-note {
  margin-top: 8px;
  padding: 6px 12px;
  border-left: 2px solid var(--mb-accent);
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.5;
  font-style: italic;
}

/* Compat: keep .message-board-input (compose textarea, used at the bottom)
   styled even though item-side selectors are removed. */
.message-board-input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  padding: 13px 14px;
  line-height: 1.55;
  outline: none;
  resize: vertical;
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}
.message-board-input:focus {
  border-color: color-mix(in srgb, var(--message-board-accent, #93c5fd) 44%, var(--text-dim));
  background: rgba(255, 255, 255, 0.96);
  box-shadow: none;
}

.message-board-compose {
  position: relative;
  flex-shrink: 0;
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 24px 28px 28px;
  background: rgba(255, 255, 255, 0.42);
}

.message-board-compose::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: 999px;
  background: var(--line);
  opacity: 0.86;
}

.message-board-compose-targets .message-board-target {
  width: 100%;
  justify-content: flex-start;
  min-height: 38px;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 7px 0;
}

.message-board-compose-head {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 5px;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 760;
}

.message-board-compose-head [data-message-board-hint] {
  color: var(--text-dim);
  font-weight: 560;
  line-height: 1.5;
}

.message-board-input {
  min-height: 148px;
  max-height: 180px;
}

.message-board-compose-foot {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 12px;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.55;
}

.message-board-compose .send-button {
  width: 100%;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 6px;
  background: var(--message-board-ink);
  color: #fff;
  font-size: 13px;
  font-weight: 820;
  box-shadow: 0 16px 34px rgba(38, 50, 74, 0.18);
}

.message-board-compose .send-button:hover {
  background: #1f2a40;
}

@keyframes message-board-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.shell[data-theme="dark"] .message-board-view {
  --message-board-surface: rgba(255, 255, 255, 0.045);
  --message-board-surface-strong: rgba(255, 255, 255, 0.08);
  --message-board-ink: var(--text);
  --message-board-muted: var(--text-dim);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.026), transparent 220px),
    var(--main-bg);
}

.shell[data-theme="dark"] .message-board-view::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
}

.shell[data-theme="dark"] .message-board-header,
.shell[data-theme="dark"] .message-board-filter-shell {
  background: rgba(255, 255, 255, 0.025);
}

.shell[data-theme="dark"] .message-board-status,
.shell[data-theme="dark"] .message-board-actions .ghost-icon-button,
.shell[data-theme="dark"] .message-board-actions .content-view-close {
  background: transparent;
  border-color: var(--line);
}

.shell[data-theme="dark"] .message-board-chip,
.shell[data-theme="dark"] .message-board-target,
.shell[data-theme="dark"] .message-board-group-mark,
.shell[data-theme="dark"] .mb-status-pill {
  background: transparent;
  border-color: var(--line);
  color: var(--text-soft);
}

.message-board-actions .ghost-icon-button:hover,
.message-board-actions .content-view-close:hover {
  background: transparent;
  border-color: transparent;
  color: var(--text);
  transform: none;
}

.shell[data-theme="dark"] .message-board-actions .ghost-icon-button:hover,
.shell[data-theme="dark"] .message-board-actions .ghost-icon-button:focus,
.shell[data-theme="dark"] .message-board-actions .ghost-icon-button:focus-visible,
.shell[data-theme="dark"] .message-board-actions .content-view-close:hover,
.shell[data-theme="dark"] .message-board-actions .content-view-close:focus,
.shell[data-theme="dark"] .message-board-actions .content-view-close:focus-visible {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text);
  transform: none;
}

.shell[data-theme="dark"] .message-board-compose {
  background: rgba(255, 255, 255, 0.026);
}

.shell[data-theme="dark"] .message-board-target-avatars .message-board-avatar-frame,
.shell[data-theme="dark"] .message-board-empty-avatars .message-board-avatar-frame {
  border-color: rgba(20, 20, 20, 0.82);
}

.shell[data-theme="dark"] .message-board-chip:hover,
.shell[data-theme="dark"] .message-board-chip.active,
.shell[data-theme="dark"] .message-board-target:hover,
.shell[data-theme="dark"] .message-board-target.active {
  border-bottom-color: var(--message-board-accent, var(--line-strong));
  background: transparent;
  color: var(--text);
}

.message-board-chip.active .message-board-avatar-frame,
.message-board-target.active .message-board-avatar-frame,
.shell[data-theme="dark"] .message-board-chip.active .message-board-avatar-frame,
.shell[data-theme="dark"] .message-board-target.active .message-board-avatar-frame {
  border-color: var(--message-board-accent, var(--line-strong));
}

.shell[data-theme="dark"] .message-board-reply-input,
.shell[data-theme="dark"] .message-board-input {
  background: rgba(255, 255, 255, 0.055);
}

.shell[data-theme="dark"] .message-board-feed {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent 170px),
    repeating-linear-gradient(180deg, transparent 0 45px, rgba(255, 255, 255, 0.025) 46px);
}

.shell[data-theme="dark"] .mb-from-user .mb-bubble,
.shell[data-theme="dark"] .mb-from-role .mb-bubble {
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.shell[data-theme="dark"] .mb-reply-input {
  background: rgba(255, 255, 255, 0.055);
}

.shell[data-theme="dark"] .mb-reply-send,
.shell[data-theme="dark"] .message-board-compose .send-button {
  background: rgba(255, 255, 255, 0.075);
  border-color: var(--line-strong);
  color: var(--text);
  box-shadow: none;
}

.shell[data-theme="dark"] .mb-reply-send:hover,
.shell[data-theme="dark"] .message-board-compose .send-button:hover {
  background: rgba(255, 255, 255, 0.105);
}

@media (max-width: 720px) {
  .message-board-header {
    padding: 24px 20px 15px;
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .message-board-header h2 {
    font-size: 24px;
  }

  .message-board-view {
    gap: 0;
  }

  .message-board-hero-strip {
    order: 3;
    width: 100%;
    padding-left: 0;
    border-left: 0;
  }

  .message-board-body {
    grid-template-columns: minmax(0, 1fr);
    overflow-y: auto;
  }

  .message-board-main-panel {
    min-height: 420px;
    border-right: 0;
  }

  .message-board-actions {
    align-self: flex-start;
  }

  .message-board-status {
    display: none;
  }

  .message-board-filter-shell {
    padding: 12px 20px;
  }

  .message-board-filter-label {
    display: none;
  }

  .message-board-feed {
    padding: 14px 20px 18px;
  }

  .mb-bubble-row {
    max-width: min(100%, 640px);
  }

  .message-board-compose {
    padding: 18px 20px 22px;
    border-top: 1px solid var(--line);
  }

  .message-board-compose-foot {
    align-items: stretch;
    flex-direction: column;
  }
}

/* ── Sandbox Panel (reuses file-panel styles) ─────────────── */
.sandbox-panel[hidden] { display: none !important; }

.sandbox-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: background 0.15s;
}
.sandbox-upload-btn:hover { background: rgba(0, 0, 0, 0.08); }

/* ── Sandbox File Viewer ──────────────────────────────────── */
.sandbox-viewer {
  position: fixed;
  inset: 0;
  z-index: 65;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}
.sandbox-viewer[hidden] { display: none !important; }
.sandbox-viewer .tk-popup-content {
  max-width: 700px;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg, #fff);
  border-radius: 16px;
  border: 1px solid var(--line);
  padding: 0;
}
.sandbox-viewer-header {
  padding: 16px 20px 12px;
  font-size: 14px;
  font-weight: 700;
  border-bottom: 1px solid var(--line);
}
.sandbox-viewer-content {
  flex: 1;
  overflow: auto;
  padding: 16px 20px;
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
  background: rgba(0, 0, 0, 0.02);
}
.sandbox-viewer .tk-popup-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.05);
  border: none;
  border-radius: 8px;
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── File Panel Responsive ────────────────────────────────── */
@media (max-width: 720px) {
  .media-card {
    max-width: 100%;
  }
  .media-iframe-embed {
    height: 320px;
  }
  .media-image-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
  .file-card-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 10px;
  }
  .file-panel-header { padding: 16px 16px 0; }
  .file-panel-tabs { padding: 12px 16px 0; }
  .file-panel-list { padding: 14px 16px; }
}

/* ── Group Chat ──────────────────────────────────────────── */
.group-view {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  flex-shrink: 0;
}

.group-member-dots {
  display: inline-flex;
  gap: 5px;
  align-items: center;
}

.group-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  border: 1.5px solid rgba(255,255,255,0.6);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.group-auto-label {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  user-select: none;
}

.group-auto-label input[type="checkbox"] {
  accent-color: var(--success, #5f8e6a);
  width: 14px;
  height: 14px;
}

.group-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  scroll-behavior: smooth;
}

.group-messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}

.group-msg {
  display: flex;
  gap: 10px;
  max-width: 85%;
  animation: group-msg-in 0.25s ease-out;
}

@keyframes group-msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.group-msg-char {
  align-self: flex-start;
}

.group-msg-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.group-msg-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  margin-top: 2px;
}

.group-msg-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.group-msg-name {
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  display: flex;
  align-items: center;
  gap: 5px;
}

.group-auto-tag {
  font-size: 10px;
  font-weight: 500;
  padding: 1px 5px;
  border-radius: 6px;
  background: var(--surface-muted);
  color: var(--text-dim);
}

.group-msg-bubble {
  padding: 8px 12px;
  border-radius: 14px 14px 14px 4px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.5;
  word-break: break-word;
  white-space: pre-wrap;
}

.group-msg-bubble-user {
  padding: 8px 12px;
  border-radius: 14px 14px 4px 14px;
  background: rgba(111, 93, 231, 0.12);
  border: 1px solid rgba(111, 93, 231, 0.2);
  font-size: 14px;
  line-height: 1.5;
  word-break: break-word;
  white-space: pre-wrap;
}

.group-system-msg {
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
  padding: 6px 0;
  opacity: 0.7;
}

.group-typing {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px 0 2px;
}

.group-typing-item {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 4px;
}

.group-typing-dots {
  display: inline-flex;
  gap: 3px;
  align-items: center;
}

.group-typing-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-dim);
  animation: group-dot-pulse 1.2s infinite ease-in-out;
}

.group-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.group-typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes group-dot-pulse {
  0%, 80%, 100% { opacity: 0.3; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1.1); }
}

/* ── Typing indicator（内联于message-row，和正式消息对齐） ── */
.typing-indicator-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--speaker-surface, var(--surface-raised));
  border-radius: 12px;
  border: 1px solid var(--speaker-border, var(--line));
  animation: typing-fade-in 0.3s ease;
  width: fit-content;
}
.typing-indicator-spinner {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.typing-indicator-spinner span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--speaker-ink, var(--primary, #d4a0a0));
  animation: typing-dot-bounce 1.4s infinite ease-in-out;
}
.typing-indicator-spinner span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator-spinner span:nth-child(3) { animation-delay: 0.4s; }
.typing-indicator-text {
  font-size: 12px;
  color: var(--text-dim);
}
@keyframes typing-dot-bounce {
  0%, 80%, 100% { opacity: 0.3; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-4px); }
}
@keyframes typing-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── 延迟回复 status pill（2026-05-29、A 方案）：角色「时空不在场」纯文字状态胶囊 ──
   复用 typing-indicator 挂载点 + per-char 主题色；虚线边框 + 慢呼吸传达「安静在忙、不是卡了」。 */
.status-pill-inline {
  display: flex;
  align-items: center;
  padding: 8px 13px;
  background: var(--speaker-surface, var(--surface-raised));
  border-radius: 12px;
  border: 1px dashed var(--speaker-border, var(--line));
  width: fit-content;
  max-width: min(82%, 440px);
  animation: status-pill-breathe 2.6s ease-in-out infinite;
}
.status-pill-text {
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.45;
}
@keyframes status-pill-breathe {
  0%, 100% { opacity: 0.62; }
  50% { opacity: 1; }
}

.group-composer-shell {
  position: relative;
  margin: 0 auto;
  width: min(840px, calc(100% - 32px));
  padding: 10px 16px 11px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(96, 77, 56, 0.12);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  flex-shrink: 0;
  margin-bottom: calc(var(--safe-bottom, 0px) + 14px);
  margin-top: 8px;
}

.group-composer-textarea-wrap {
  min-height: 44px;
}

.group-composer-input {
  min-height: 36px;
  max-height: 200px;
  resize: none;
}

.group-composer-bar {
  margin-top: 4px;
}

.group-at-btn svg {
  width: 18px;
  height: 18px;
}

.group-mention-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding: 0 2px 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 6px;
  animation: group-msg-in 0.2s ease-out;
}

.group-mention-chip {
  padding: 4px 10px;
  border-radius: 14px;
  border: 1.5px solid var(--chip-color, var(--line));
  background: rgba(0,0,0,0.02);
  color: var(--chip-color, var(--text));
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  font-family: inherit;
}

.group-mention-chip:hover {
  background: rgba(0,0,0,0.06);
  transform: scale(1.04);
}

.group-mention-chip:active {
  transform: scale(0.96);
}

.group-unread-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  background: #e74c3c;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
}

.message-board-unread-dot {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 15px;
  height: 15px;
  border-radius: 8px;
  background: #c96f68;
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  line-height: 1;
}

.rail-button {
  position: relative;
}

/* ── Group Chat Responsive ──────────────────────────────── */
@media (max-width: 720px) {
  .group-scroll { padding: 12px 14px; }
  .group-composer-shell {
    width: calc(100% - 20px);
    padding: 8px 12px 9px;
    border-radius: 22px;
  }
  .group-msg { max-width: 92%; }
}

/* ═══════════════════════════════════════════════════
 * 展示模式（Demo）
 * ═══════════════════════════════════════════════════ */

/* 极简暂停按钮：右上角浮动、圆形小图标、深浅主题都可见 */
.demo-mini-pause {
  position: fixed;
  top: 20px;
  right: 100px;
  z-index: 10000;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(20, 22, 30, 0.78);
  color: rgba(255, 255, 255, 0.95);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background 0.18s ease, transform 0.12s ease;
}
.demo-mini-pause:hover {
  background: rgba(30, 34, 44, 0.95);
}
.demo-mini-pause:active {
  transform: scale(0.92);
}
.demo-mini-pause svg {
  display: block;
}

/* demo 模式下：隐藏 chat 顶栏角色头像+名称+前进后退 */
body.demo-active .chat-header-avatar,
body.demo-active .chat-header-name,
body.demo-active [data-nav-back],
body.demo-active [data-nav-forward] {
  display: none !important;
}

/* 文件附件卡（消息流内、kind='file'） */
.message-file-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  width: min(24rem, 100%);
  background: var(--speaker-surface, rgba(255, 255, 255, 0.92));
  border: 1px solid var(--speaker-border, var(--line));
  border-radius: 12px;
  color: var(--speaker-ink, inherit);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}
.message-file-card:hover {
  background: var(--speaker-soft, rgba(0, 0, 0, 0.04));
}
.message-file-card:active {
  transform: scale(0.98);
}
.message-file-icon {
  font-size: 28px;
  line-height: 1;
  flex: 0 0 auto;
}
.message-file-info {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.message-file-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--speaker-ink, #1a1a1a);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.message-file-meta {
  font-size: 12px;
  opacity: 0.7;
}
.message-file-open {
  font-size: 16px;
  opacity: 0.5;
  flex: 0 0 auto;
}

/* ═══════════════════════════════════════════════════
 * 展示模式 · Cinematic 电影画幅（黑边 + 歌词）
 * ═══════════════════════════════════════════════════ */

/* 上下黑边：完全同高 barH、视口顶贴 + 视口底贴 = 对称画幅 */
.demo-lb-top,
.demo-lb-bottom {
  position: fixed;
  left: 0;
  right: 0;
  height: 0;
  background: #000;
  z-index: 9100;
  pointer-events: none;
  opacity: 0;
  /* 两边都 flex center：lyrics / caption 直接水平居中、不靠 margin auto */
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  /* 进场：height 展开 1s + opacity 渐显 0.6s、cubic-bezier 给一点"出乎意料"的缓动感 */
  transition: height 1s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.6s ease-out;
}

.demo-lb-top {
  top: 0;
}

.demo-lb-bottom {
  bottom: 0;  /* 从视口底往上长、只要 barH >= composer 高度 + 16、就能完全盖住 composer */
}

/* 激活态：两条黑边同时长开到 barH、同时 opacity 0→1 */
body.demo-cinematic .demo-lb-top,
body.demo-cinematic .demo-lb-bottom {
  height: var(--cinema-bar-h, 140px);
  opacity: 1;
}

/* 双语歌词容器（上下黑边各一套、默认下黑边可见、l2d 激活时上黑边可见）*/
.demo-cinema-lyrics {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 18px 32px;
  text-align: center;
  max-width: min(80vw, 900px);
  opacity: 1;
  transition: opacity 0.4s ease;
}
.demo-cinema-zh {
  color: rgba(255, 255, 255, 0.96);
  font-size: clamp(16px, 2.4vh, 22px);
  font-weight: 500;
  line-height: 1.4;
  min-height: 1.4em;
  letter-spacing: 0.02em;
  transition: opacity 0.3s ease;
}
.demo-cinema-en {
  color: rgba(255, 255, 255, 0.65);
  font-size: clamp(13px, 1.9vh, 17px);
  font-weight: 400;
  line-height: 1.4;
  min-height: 1.4em;
  letter-spacing: 0.01em;
  transition: opacity 0.3s ease;
}

/* 默认：上黑边的 lyrics 不可见（只有 l2d 激活 / aftermath 时才显示） */
.demo-cinema-lyrics-top { opacity: 0; pointer-events: none; }
/* 默认：下黑边的 lyrics 可见 */
.demo-cinema-lyrics-bottom { opacity: 1; }

/* ═══════════════════════════════════════════════════
 * 歌曲尾声浮现的大字（JS 按 audio.currentTime 驱动 opacity）
 *   z 9180：压在 stage(9150)、whiteout(9120) 上方、在退出按钮(10000) 下方
 *   position fixed center、默认 opacity 0、transition 由 JS 内联指定
 * ═══════════════════════════════════════════════════ */
/* Credits 报幕卡：乐奈淡出后、finale_title 大字前、白底黑字电影式项目概况
   z 9170（在 whiteout 9120、stage 9150 之上；在 finale-title 9180、exit 10000 之下）
   透明背景、直接叠在 whiteout 白底上；等宽/衬线混排看起来像片尾 */
.demo-credits-card {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9170;
  min-width: min(560px, 82vw);
  max-width: 88vw;
  padding: 40px 56px;
  color: #111;
  background: transparent;
  text-align: center;
  font-family: 'Source Han Serif SC', 'Noto Serif SC', 'SimSun', serif;
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  user-select: none;
}
body.demo-credits-active .demo-credits-card { opacity: 1; }

.demo-credits-card .credits-title {
  font-size: clamp(28px, 4.4vh, 46px);
  font-weight: 800;
  letter-spacing: 0.15em;
  margin: 0 0 6px 0;
  color: #000;
}
.demo-credits-card .credits-subtitle {
  font-size: clamp(11px, 1.4vh, 13px);
  letter-spacing: 0.4em;
  color: rgba(0, 0, 0, 0.4);
  margin: 0 0 24px 0;
}
.demo-credits-card .credits-sep {
  color: rgba(0, 0, 0, 0.25);
  font-size: 13px;
  letter-spacing: 0.3em;
  margin: 18px 0 12px 0;
  font-weight: 500;
}
.demo-credits-card .credits-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 28px;
  padding: 6px 0;
  font-size: clamp(14px, 1.7vh, 16px);
  line-height: 1.5;
}
.demo-credits-card .credits-label {
  color: rgba(0, 0, 0, 0.48);
  letter-spacing: 0.12em;
  font-weight: 500;
  min-width: 92px;
  text-align: right;
  flex-shrink: 0;
}
.demo-credits-card .credits-value {
  color: #111;
  font-weight: 500;
  text-align: left;
  min-width: 0;
  max-width: min(440px, 55vw);
}
.demo-credits-card .credits-author {
  margin-top: 8px;
  font-size: clamp(18px, 2.4vh, 22px);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #000;
}

/* Thanks 页用：section 里的自由文本行（居中、无 label-value 布局） */
.demo-credits-card .credits-line {
  padding: 3px 0;
  font-size: clamp(13px, 1.6vh, 16px);
  color: #222;
  line-height: 1.55;
  text-align: center;
  letter-spacing: 0.04em;
}

/* 底部小字（Thanks 页用 "—— 谢谢你们 ——"）*/
.demo-credits-card .credits-footer {
  margin-top: 24px;
  font-size: clamp(14px, 1.8vh, 18px);
  font-weight: 500;
  letter-spacing: 0.3em;
  color: rgba(0, 0, 0, 0.7);
}

.demo-finale-title {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 9180;
  opacity: 0;
  font-size: clamp(64px, 11vh, 160px);
  font-weight: 900;
  text-align: center;
  letter-spacing: 0.2em;
  line-height: 1.15;
  pointer-events: none;
  user-select: none;
  white-space: pre-line;
  /* 艺术字：宋体（衬线、庄重）+ 垂直渐变填充（墨色→淡墨）+ 多层阴影叠彩 */
  font-family: 'Source Han Serif SC', 'Noto Serif SC', 'STSong', 'SimSun', serif;
  color: #000;
  background: linear-gradient(180deg, #0a0a0a 0%, #2a2a2a 48%, #4a4a4a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow:
    0 2px 0 rgba(0, 0, 0, 0.08),
    0 6px 18px rgba(0, 0, 0, 0.18),
    0 0 60px rgba(0, 0, 0, 0.06);
  /* 浏览器不支持 background-clip: text 时、-webkit-text-fill-color 会生效使字透明、
     fallback 到纯黑显示。加一个兜底以防万一： */
  padding: 0 0.2em;
}
/* @supports 不支持 background-clip:text 时显示纯墨黑字 */
@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .demo-finale-title {
    -webkit-text-fill-color: #000;
    background: none;
  }
}

/* ═══════════════════════════════════════════════════
 * Live2D 流水（单个开关 entry 驱动全程、letterbox 自始至终不动）
 *   ① demo-l2d-whiteout = 基态：中央白底 + 气泡隐 + 歌词上移
 *   ② demo-l2d-active   = 某角色正在显示（叠在 whiteout 之上）
 * ═══════════════════════════════════════════════════ */

/* 白色中央覆盖层：介于上下黑边之间、whiteout 态时淡入 */
.demo-l2d-whiteout-overlay {
  position: fixed;
  top: var(--cinema-bar-h, 140px);
  bottom: var(--cinema-bar-h, 140px);
  left: 0;
  right: 0;
  background: #ffffff;
  z-index: 9120;   /* 上覆聊天气泡、下让 .demo-l2d-stage(9150) 可见 */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.7s ease,
              top 1s cubic-bezier(0.22, 1, 0.36, 1),
              bottom 1s cubic-bezier(0.22, 1, 0.36, 1);
}
body.demo-l2d-whiteout .demo-l2d-whiteout-overlay { opacity: 1; }

/* 当 cinematic 类被移除（letterbox 退场）但 whiteout 仍在时、
   whiteout 扩展到全屏、给 credits / thanks / finale_title 更大展示空间 */
body.demo-l2d-whiteout:not(.demo-cinematic) .demo-l2d-whiteout-overlay {
  top: 0;
  bottom: 0;
}

/* Whiteout 基态：歌词上移（切换可见性）+ 气泡淡出 */
body.demo-l2d-whiteout .demo-cinema-lyrics-top { opacity: 1; }
body.demo-l2d-whiteout .demo-cinema-lyrics-bottom { opacity: 0; pointer-events: none; }
body.demo-l2d-whiteout [data-messages-wrap],
body.demo-l2d-whiteout [data-messages] {
  opacity: 0 !important;
  pointer-events: none;
  transition: opacity 0.6s ease;
}

/* 中央 stage（canvas 容器）：只在 whiteout+active 同时存在时显示 */
.demo-l2d-stage {
  position: fixed;
  top: var(--cinema-bar-h, 140px);
  bottom: var(--cinema-bar-h, 140px);
  left: 0;
  right: 0;
  z-index: 9150;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.55s ease, transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
body.demo-l2d-whiteout.demo-l2d-active .demo-l2d-stage {
  opacity: 1;
  transform: scale(1);
}
.demo-l2d-stage canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
}

/* 下黑边台词容器（跟 bottom lyrics 同位置、active 时显示） */
.demo-l2d-caption {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 32px;
  text-align: center;
  max-width: min(80vw, 900px);
  margin: 0 auto;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.45s ease;
}
body.demo-l2d-whiteout.demo-l2d-active .demo-l2d-caption { opacity: 1; }
.demo-l2d-speaker {
  /* caption 落在黑色下黑边上、白字柔黄 speaker 标 */
  color: rgba(255, 220, 170, 0.92);
  font-size: clamp(12px, 1.6vh, 14px);
  font-weight: 500;
  letter-spacing: 0.08em;
}
.demo-l2d-text {
  color: rgba(255, 255, 255, 0.94);
  font-size: clamp(16px, 2.4vh, 22px);
  font-weight: 500;
  line-height: 1.5;
  min-height: 1.5em;
  max-width: 100%;
  margin: 0;
}

/* Cinematic 模式下：pause 按钮下移到上黑边正下方 16px */
body.demo-cinematic .demo-mini-pause {
  /* 上黑边底部 y = barH；pause top = barH + 16 */
  top: calc(var(--cinema-bar-h, 140px) + 16px);
  right: 32px;
  /* 等上黑边展开完再浮现、避免和黑边过渡同帧抢视觉 */
  transition: top 0.3s ease, right 0.3s ease, opacity 0.4s ease 0.5s;
}

/* 退出 cinematic 按钮：紧贴 pause 正下方（右对齐 right:32px） */
.demo-cinema-exit {
  position: fixed;
  /* pause.top + pause.height(32) + gap(10) = barH + 16 + 32 + 10 */
  top: calc(var(--cinema-bar-h, 140px) + 16px + 32px + 10px);
  right: 32px;
  z-index: 10000;
  width: 32px;
  height: 32px;
  padding: 0;
  box-sizing: border-box;       /* 与 pause 按钮完全同尺寸 */
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(20, 22, 30, 0.78);
  color: rgba(255, 180, 180, 0.95);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  /* 初始不可见、等上黑边展开到位后再渐显（0.65s 延迟 = 黑边展完） */
  opacity: 0;
  transform: translateY(-6px);
  animation: demoCinemaExitFadeIn 0.5s ease 0.65s forwards;
  transition: background 0.18s ease, transform 0.12s ease;
}
@keyframes demoCinemaExitFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.demo-cinema-exit:hover {
  background: rgba(60, 30, 30, 0.95);
  color: rgba(255, 220, 220, 1);
}
.demo-cinema-exit:active {
  transform: scale(0.92);
}
.demo-cinema-exit svg {
  display: block;
}

/* ═══════════════════════════════════════════════════
 * Tech Card：演示阶段独立的"信息卡"模态、用于承载技术亮点
 *   z 8000-8100：上覆 chat 气泡、下让 cinematic(9100+) 仍可压住
 *   形式：半透 backdrop + 居中圆角白卡 + 入场 scale + opacity
 *   入场 0.4s、出场 0.4s、中间 hold 时长由 JS 控制
 * ═══════════════════════════════════════════════════ */
.demo-tech-card-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 22, 30, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 8000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
body.demo-tech-card-active .demo-tech-card-backdrop {
  opacity: 1;
}

.demo-tech-card {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 8100;
  background: #fdfaf5;          /* 暖白、贴 MyGO 米色基调 */
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  padding: 28px 32px;
  width: min(720px, 86vw);
  max-height: 86vh;
  overflow-y: auto;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.94);
  transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  /* accent 色条由内联 style 覆盖、默认暖橙 */
  border-top: 4px solid var(--tc-accent, #e6a45a);
  pointer-events: none;
}
body.demo-tech-card-active .demo-tech-card {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.demo-tech-card .tc-title {
  font-size: clamp(22px, 2.6vh, 30px);
  font-weight: 700;
  color: #2a2630;
  letter-spacing: 0.02em;
  line-height: 1.25;
  margin: 0 0 4px 0;
}

.demo-tech-card .tc-subtitle {
  font-size: clamp(13px, 1.6vh, 15px);
  color: #6a5f56;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin: 0 0 18px 0;
}

.demo-tech-card .tc-visual {
  margin: 8px 0 18px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f1ece4;
  border-radius: 12px;
  overflow: hidden;
  min-height: 120px;
}
.demo-tech-card .tc-visual img {
  display: block;
  max-width: 100%;
  max-height: 50vh;
  object-fit: contain;
}

.demo-tech-card .tc-bullets {
  list-style: none;
  margin: 0 0 16px 0;
  padding: 0;
}
.demo-tech-card .tc-bullets li {
  position: relative;
  padding: 4px 0 4px 22px;
  color: #3a3530;
  font-size: clamp(14px, 1.8vh, 17px);
  line-height: 1.55;
}
.demo-tech-card .tc-bullets li::before {
  content: '';
  position: absolute;
  top: 14px;
  left: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tc-accent, #e6a45a);
}

.demo-tech-card .tc-doc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  padding: 8px 14px;
  border-radius: 10px;
  background: #f1ece4;
  color: #5a4a3a;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  pointer-events: auto;        /* 卡片其他部分 pointer-events:none、链接单独开 */
  transition: background 0.18s ease, color 0.18s ease;
}
.demo-tech-card .tc-doc-link:hover {
  background: #e8dfcf;
  color: #2a2630;
}
.demo-tech-card .tc-doc-link::before {
  content: '📄';
  font-size: 14px;
}

/* ═══════════════════════════════════════════════════
 * Search Anim：模拟 /search 命令 + 搜索结果卡
 *   kind='search_command'：命令风格气泡（code 背景、等宽字体）
 *   status with data-search='loading'：搜索中状态 pill（呼吸动画）
 *   kind='media_search_result'：结果卡（标题 + URL + snippet）
 * ═══════════════════════════════════════════════════ */

/* 命令气泡：等宽字体 + 深色终端风背景、看起来像 code block */
.message-bubble.search-command-bubble {
  padding: 10px 14px !important;
  border-radius: 10px !important;
  background: #2a2f3a !important;
  color: #b4d4ff !important;
  border-color: #2a2f3a !important;
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, 'Liberation Mono', monospace !important;
  font-size: 13px !important;
  letter-spacing: 0.01em;
  max-width: fit-content;
}
.message-bubble.search-command-bubble .message-text {
  color: #b4d4ff;
}

/* 搜索 loading 状态 pill：浅蓝背景 + 呼吸动画 */
.message-status-pill[data-search='loading'] {
  background: rgba(91, 140, 255, 0.14);
  border-color: rgba(91, 140, 255, 0.35);
  color: #3b6bd9;
  animation: search-loading-pulse 1.6s ease-in-out infinite;
}
@keyframes search-loading-pulse {
  0%, 100% { opacity: 0.75; }
  50%      { opacity: 1; }
}

/* 搜索完成状态 pill：绿对号、短暂显示 */
.message-status-pill[data-search='done'] {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.35);
  color: #16a34a;
}

/* 角色进入聊天提示 pill：柔米色 + 斜体、仿 IRC join 消息 */
.message-status-pill[data-join='true'] {
  background: rgba(230, 164, 90, 0.12);
  border-color: rgba(230, 164, 90, 0.3);
  color: #9b6a3a;
  font-style: italic;
  letter-spacing: 0.03em;
}
.message-status-pill[data-join='true']::before {
  content: '→ ';
  font-style: normal;
  margin-right: 2px;
}

/* 搜索结果卡 */
.search-result-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 14px;
  background: #ffffff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  max-width: 560px;
}
.search-result-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 13px;
  color: #5a4a3a;
}
.search-result-card-header .sr-icon { font-size: 16px; }
.search-result-card-header .sr-query {
  font-weight: 600;
  color: #2a2630;
  flex: 1;
}
.search-result-card-header .sr-count { color: #9b8b7a; font-size: 12px; }

.search-result-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.search-result-item .sr-title {
  color: #1a56db;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  line-height: 1.35;
}
.search-result-item .sr-title:hover { text-decoration: underline; }
.search-result-item .sr-title:visited { color: #6b21a8; }
.search-result-item .sr-url {
  color: #5a7a4a;
  font-size: 12px;
  font-family: 'SF Mono', Consolas, monospace;
}
.search-result-item .sr-snippet {
  color: #3a3530;
  font-size: 13px;
  line-height: 1.5;
}

/* ─────────────────────────────────────────────────────────────── */
/* ─────────────────────────────────────────────────────────────── */
/* 2026-05-17 翻译结果（右键→翻译、显示在气泡下方小字）             */
/* ─────────────────────────────────────────────────────────────── */
.message-row .message-translation {
  align-self: stretch;
  max-width: 78%;
  margin-top: 6px;
  padding: 5px 12px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-dim);
  background: rgba(0, 0, 0, 0.04);
  border-left: 2px solid rgba(0, 0, 0, 0.15);
  border-radius: 4px;
  word-break: break-word;
}
.message-row.user .message-translation {
  align-self: flex-end;
  background: rgba(0, 0, 0, 0.05);
}
.shell[data-theme="dark"] .message-row .message-translation {
  color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.06);
  border-left-color: rgba(255, 255, 255, 0.2);
}

/* 2026-05-17 撤回按钮（desktop）                                    */
/* 仅 chat mode、末尾未被回复的 user message 才会渲染该按钮         */
/* 位于 message-inner 末尾、user bubble 下方右对齐                  */
/* ─────────────────────────────────────────────────────────────── */
.message-row.user .message-inner {
  position: relative;
}
.message-undo-btn {
  display: inline-flex;
  align-items: center;
  align-self: flex-end;
  margin-top: 4px;
  margin-right: 2px;
  padding: 2px 10px;
  font-size: 11px;
  font-family: inherit;
  line-height: 1.4;
  color: rgba(120, 100, 90, 0.78);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(180, 160, 140, 0.35);
  border-radius: 10px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.18s ease, background 0.18s ease, color 0.18s ease;
  user-select: none;
}
.message-undo-btn:hover {
  opacity: 1;
  background: rgba(255, 245, 235, 0.95);
  color: rgba(80, 60, 50, 1);
  border-color: rgba(160, 130, 100, 0.6);
}
.message-undo-btn:active {
  background: rgba(240, 215, 190, 0.95);
}
.message-undo-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ─── Phase 2.2 (2026-05-21): multi-room 邀请 popup ─────────── */
/* invite popup 改造（2026-05-24 v2）：fixed 定位 + JS 算位置
   原因：.composer-shell 有 backdrop-filter 创建独立 stacking context、
   wrap 内的 popup 即使 z-index 高、仍被 .home-suggestions (z-index 20) 在
   composer-shell 内部覆盖。把 popup 移到 .shell 根 + fixed、彻底脱离。
   位置由 _positionInvitePopup() 用 invite button getBoundingClientRect 算。
*/
.invite-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.invite-popup {
  position: fixed;
  z-index: 1000;
  width: 188px;
  max-height: min(280px, 34vh);
  overflow-y: auto;
  padding: 6px 6px 14px;
  scroll-padding-bottom: 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-soft);
  /* fade-in 动画参考 .tool-palette */
  opacity: 0;
  transform: translateY(-8px) scale(0.98);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}
.invite-popup[hidden] { display: none; }
.invite-popup.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.invite-popup-item {
  /* 参考 .overload-song-option：圆角 12 + padding 9 10 + 透明背景 + hover 浅褐 */
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border-radius: 12px;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: var(--text);
  text-align: left;
  transition: background 0.15s ease;
}
.invite-popup-item + .invite-popup-item { margin-top: 2px; }
.invite-popup-item:hover,
.invite-popup-item:focus-visible {
  background: rgba(122, 100, 76, 0.09);
  outline: none;
}
.invite-popup-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(148, 163, 184, 0.16);
  flex: 0 0 28px;
}
.invite-popup-name {
  /* 参考 .overload-song-title: font-size 13 + bold 700 + ellipsis */
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 700;
}
.invite-popup-empty {
  padding: 16px 10px;
  text-align: center;
  color: var(--text-soft);
  font-size: 12px;
}
.invite-popup-empty[hidden] { display: none; }

/* dark mode：参考 .overload-picker / .tool-palette dark variant (L2803, L2857) */
.shell[data-theme="dark"] .invite-popup {
  background: rgba(255, 255, 255, 0.055);
  border-color: var(--line);
  color: var(--text);
  box-shadow: none;
}
.shell[data-theme="dark"] .invite-popup-item:hover,
.shell[data-theme="dark"] .invite-popup-item:focus-visible {
  background: rgba(255, 255, 255, 0.075);
}

/* ─── Phase 3.2 共在标记 (2026-05-30) ─────────────────────────────
   invite 按钮被动绿点 + popup 内"共在"候选高亮 / badge。共在数据来自
   GET /api/room/co-presence/{char}（canon joint 豁免 或 同 micro_area）。 */
.invite-wrap { position: relative; }
.invite-copresence-dot {
  position: absolute;
  top: -1px;
  right: -1px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 0 2px var(--card, #fff);
  pointer-events: none;
}
.invite-copresence-dot[hidden] { display: none; }
.invite-popup-item.is-copresent { background: rgba(52, 211, 153, 0.10); }
.invite-popup-item.is-copresent:hover,
.invite-popup-item.is-copresent:focus-visible { background: rgba(52, 211, 153, 0.16); }
.invite-copresence-badge {
  margin-left: auto;
  flex: 0 0 auto;
  font-size: 10px;
  font-weight: 700;
  color: #059669;
  background: rgba(52, 211, 153, 0.16);
  border-radius: 999px;
  padding: 2px 7px;
  white-space: nowrap;
}
.shell[data-theme="dark"] .invite-copresence-dot { box-shadow: 0 0 0 2px rgba(20, 20, 22, 0.9); }
.shell[data-theme="dark"] .invite-copresence-badge {
  color: #6ee7b7;
  background: rgba(52, 211, 153, 0.18);
}
.shell[data-theme="dark"] .invite-popup-item.is-copresent { background: rgba(52, 211, 153, 0.13); }
.shell[data-theme="dark"] .invite-popup-item.is-copresent:hover,
.shell[data-theme="dark"] .invite-popup-item.is-copresent:focus-visible { background: rgba(52, 211, 153, 0.2); }

/* ─── Phase 2.3 (2026-05-21): multi-room home 列表样式 ─────────── */
/* 设计原则：state A/B/C 全部复用 .char-list-item.current 的 selected 样式、
   只改 --char-color CSS 变量（state A/B 金黄、state C 主角色色）。
   inline style 设置 --char-color、与 .current 视觉完全一致。*/

/* State A/C: 合并 card */
.char-list-item.char-list-multi-merged {
  background:
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--char-color, var(--accent)) 16%, transparent),
      color-mix(in srgb, var(--char-color, var(--accent)) 5%, transparent)
    );
  box-shadow: inset 4px 0 0 var(--char-color, var(--accent));
}
.char-list-multi-avatars {
  position: relative;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.char-list-multi-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1.5px solid var(--char-color, var(--accent));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--char-color, var(--accent)) 22%, transparent);
  margin-left: -14px;
  object-fit: cover;
  background: rgba(148, 163, 184, 0.16);
}
.char-list-multi-avatar:first-child {
  margin-left: 0;
}
.char-list-multi-merged .char-list-name.multi-names {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
}
.multi-name-part {
  font-weight: 600;
}
.multi-name-sep {
  color: var(--text-secondary, #64748b);
  font-weight: 400;
}

/* State B: 展开 child — 复用 .current 样式、--char-color 由 inline style 设为金黄 */
.char-list-item.char-list-multi-expanded-child {
  background:
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--char-color, var(--accent)) 16%, transparent),
      color-mix(in srgb, var(--char-color, var(--accent)) 5%, transparent)
    );
  box-shadow: inset 4px 0 0 var(--char-color, var(--accent));
}
.char-list-item.char-list-multi-expanded-child .char-list-avatar {
  border-color: var(--char-color, var(--accent));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--char-color, var(--accent)) 22%, transparent);
}

/* ─── Phase 2.4 (2026-05-21): chat view 顶部 multi-room header ─── */
.top-bar-chat-avatar.multi {
  display: inline-flex;
  align-items: center;
  width: auto;
  height: auto;
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
}
.top-bar-chat-avatar.multi > img.chat-header-multi-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--surface, #ffffff);
  margin-left: -10px;
  object-fit: cover;
  background: rgba(148, 163, 184, 0.16);
  display: block;
  flex: 0 0 36px;
}
.top-bar-chat-avatar.multi > img.chat-header-multi-avatar:first-child {
  margin-left: 0;
}
/* Phase 6.1 (2026-05-24): multi-room avatar 添加 cursor pointer + hover/pin 视觉提示
   click → toggle Live2D pin（详 app.js）。pinned char 描边变 accent 色、提升 z-index */
.top-bar-chat-avatar.multi > img.chat-header-multi-avatar {
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.top-bar-chat-avatar.multi > img.chat-header-multi-avatar:hover {
  transform: translateY(-2px);
  border-color: var(--accent, #f9a8d4);
  z-index: 2;
}
.top-bar-chat-avatar.multi > img.chat-header-multi-avatar.pinned {
  border-color: var(--accent, #f9a8d4);
  box-shadow: 0 0 0 2px rgba(249, 168, 212, 0.35), 0 2px 8px rgba(249, 168, 212, 0.3);
  z-index: 3;
}
.chat-header-name-sep {
  color: var(--text-secondary, #64748b);
  margin: 0 2px;
  font-weight: 400;
}


/* ─── Notifier — proactive 推送窗口（toast + 系统通知联动） ─── */
.notifier-stack {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9000;
  pointer-events: none;
  max-width: min(360px, calc(100vw - 32px));
}
.notifier-toast {
  pointer-events: auto;
  display: grid;
  grid-template-columns: 40px 1fr 22px;
  gap: 10px;
  align-items: start;
  padding: 12px 12px 12px 12px;
  background: var(--surface, rgba(255, 255, 255, 0.96));
  color: var(--text, #2f261d);
  border: 1px solid var(--line, rgba(0, 0, 0, 0.1));
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18), 0 2px 6px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  user-select: none;
  transform: translateX(0);
  opacity: 1;
  transition: transform 0.22s ease, opacity 0.22s ease;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.notifier-toast:hover {
  transform: translateX(-3px);
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.22), 0 2px 8px rgba(0, 0, 0, 0.08);
}
.notifier-toast-enter {
  transform: translateX(28px);
  opacity: 0;
}
.notifier-toast-exit {
  transform: translateX(28px);
  opacity: 0;
}
.notifier-toast-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(148, 163, 184, 0.18);
  flex: 0 0 40px;
  border: 1.5px solid var(--surface, #fff);
  box-shadow: 0 0 0 1px var(--line, rgba(0, 0, 0, 0.08));
}
.notifier-toast-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.notifier-toast-title {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text, #2f261d);
  line-height: 1.2;
}
.notifier-toast-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.notifier-toast-kind {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary, #64748b);
  white-space: nowrap;
  flex-shrink: 0;
}
.notifier-toast-text {
  font-size: 13px;
  line-height: 1.45;
  color: var(--text, #2f261d);
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.notifier-toast-close {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-secondary, #94a3b8);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
}
.notifier-toast-close:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--text, #2f261d);
}

@media (max-width: 520px) {
  .notifier-stack {
    right: 10px;
    bottom: 10px;
    max-width: calc(100vw - 20px);
  }
  .notifier-toast {
    padding: 10px 10px;
  }
}

/* ── Phase Birthday Greeting Room · F2/F3 (2026-05-27) ────────────
   home 顶部 banner + birthday-room view 样式。
   原则：复用现有色板（host 角色色作 accent）、无 emoji、内敛克制。
*/
.birthday-banner {
  --birthday-banner-accent: #f59e0b;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 18px 6px;
  padding: 12px 16px;
  border-radius: 14px;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--birthday-banner-accent) 16%, var(--surface, #fff)) 0%,
    color-mix(in srgb, var(--birthday-banner-accent) 6%, var(--surface, #fff)) 100%
  );
  border: 1px solid color-mix(in srgb, var(--birthday-banner-accent) 40%, transparent);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  user-select: none;
  /* 2026-05-27 fix: 防被 home-stage / home-view absolute 子元素盖住 */
  position: relative;
  z-index: 5;
}
.birthday-banner * {
  /* 内层 child 不要拦截 click（cursor: pointer 沿用 banner） */
  pointer-events: none;
}
.birthday-banner:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--birthday-banner-accent) 25%, transparent);
  border-color: color-mix(in srgb, var(--birthday-banner-accent) 60%, transparent);
}
/* Phase H1 (2026-05-27): visited 后弱化样式、保留入口但 visual 区分 */
.birthday-banner.seen {
  background: var(--surface, #fff);
  border-color: color-mix(in srgb, var(--birthday-banner-accent) 20%, transparent);
  opacity: 0.78;
}
.birthday-banner.seen:hover {
  opacity: 1;
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--birthday-banner-accent) 8%, var(--surface, #fff)) 0%,
    var(--surface, #fff) 100%
  );
}
.birthday-banner:focus-visible {
  outline: 2px solid var(--birthday-banner-accent);
  outline-offset: 2px;
}
.birthday-banner-content {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}
.birthday-banner-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text, #2f261d);
  line-height: 1.3;
}
.birthday-banner-subtitle {
  font-size: 12px;
  color: var(--text-muted, #7b6d61);
  line-height: 1.3;
}
.birthday-banner-arrow {
  font-size: 22px;
  line-height: 1;
  color: var(--birthday-banner-accent);
  font-weight: 300;
  flex-shrink: 0;
}

/* birthday-room view（独立 view、不混在 chat-view 里） */
.birthday-room-view {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.birthday-room-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border, rgba(0, 0, 0, 0.06));
}
.birthday-room-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.birthday-room-title-main {
  font-size: 17px;
  font-weight: 600;
  color: var(--text, #2f261d);
}
.birthday-room-title-sub {
  font-size: 12px;
  color: var(--text-muted, #7b6d61);
}
.birthday-room-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px 24px;
}
.birthday-room-history {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.birthday-room-empty {
  text-align: center;
  color: var(--text-muted, #7b6d61);
  font-size: 13px;
  margin-top: 40px;
}

/* Phase G4 (2026-05-27): 空 room placeholder（等待 emit） */
.birthday-room-placeholder {
  text-align: center;
  margin-top: 60px;
  padding: 0 30px;
}
.birthday-room-placeholder-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text, #2f261d);
  margin-bottom: 12px;
}
.birthday-room-placeholder-hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted, #7b6d61);
}

/* Phase G3 (2026-05-27): ws 进来的新消息 fade-in 动画（让"实时到达"感觉强） */
.birthday-msg {
  animation: birthdayMsgFadeIn 0.4s ease-out;
}
@keyframes birthdayMsgFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.birthday-msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.birthday-msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
}
.birthday-msg-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.birthday-msg-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
}
.birthday-msg-name {
  font-weight: 600;
}
.birthday-msg-tag {
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.05);
  color: var(--text-muted, #7b6d61);
}
.birthday-msg-tag-host {
  background: color-mix(in srgb, #f59e0b 18%, transparent);
  color: #b45309;
}
.birthday-msg-time {
  color: var(--text-muted, #7b6d61);
  font-size: 11px;
  margin-left: auto;
}
.birthday-msg-bubble {
  padding: 8px 12px;
  background: var(--surface-elev, rgba(0, 0, 0, 0.03));
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--text, #2f261d);
  line-height: 1.5;
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}
.birthday-msg-host .birthday-msg-bubble {
  background: color-mix(in srgb, #f59e0b 8%, var(--surface-elev, rgba(0, 0, 0, 0.03)));
}

@media (max-width: 520px) {
  .birthday-banner {
    margin: 8px 12px 4px;
    padding: 10px 12px;
  }
  .birthday-banner-title {
    font-size: 13px;
  }
  .birthday-banner-subtitle {
    font-size: 11px;
  }
  .birthday-room-scroll {
    padding: 12px 14px 18px;
  }
}