:root {
  color-scheme: light;
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-muted: #efefec;
  --text: #20211f;
  --muted: #71736d;
  --line: #dedfda;
  --accent: #d95735;
  --accent-dark: #b84528;
  --success: #18794e;
  --danger: #b42318;
  --radius: 6px;
  font-family: "DM Sans", "Noto Sans SC", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.app-shell {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr) 300px;
  grid-template-rows: 64px calc(100vh - 64px);
  height: 100vh;
}

.topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 247, 245, 0.96);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.page-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  margin-right: 12px;
}

/* 模块切换统一放到左侧，顶部只保留品牌和当前状态。 */
.page-nav {
  display: none;
}

.page-nav a {
  min-height: 32px;
  padding: 0 12px;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.page-nav a:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.page-nav a.is-active {
  background: #fff3ef;
  color: var(--accent-dark);
}

.page-nav a {
  position: relative;
}

.page-nav a.is-active::after {
  position: absolute;
  right: 12px;
  bottom: -17px;
  left: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  content: "";
}

.brand-lockup,
.topbar-actions,
.result-actions,
.section-heading,
.dialog-header,
.dialog-actions,
.result-meta,
.action-row,
.controls-row,
.speed-control {
  display: flex;
  align-items: center;
}

.brand-lockup {
  gap: 11px;
}

.brand-lockup strong,
.brand-lockup > div:last-child span {
  display: block;
  letter-spacing: 0;
}

.brand-lockup strong {
  font-family: "Noto Sans SC", sans-serif;
  font-size: 15px;
  font-weight: 700;
}

.brand-lockup > div:last-child span {
  margin-top: 1px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  background: var(--text);
}

.brand-mark span,
.empty-wave span {
  width: 2px;
  border-radius: 2px;
  background: var(--accent);
  animation: pulse-wave 1.6s ease-in-out infinite;
}

.brand-mark span:nth-child(1),
.brand-mark span:nth-child(5) { height: 7px; }
.brand-mark span:nth-child(2),
.brand-mark span:nth-child(4) { height: 13px; animation-delay: 0.12s; }
.brand-mark span:nth-child(3) { height: 18px; animation-delay: 0.24s; }

@keyframes pulse-wave {
  0%, 100% { transform: scaleY(0.65); }
  50% { transform: scaleY(1); }
}

.topbar-actions {
  gap: 12px;
}

.result-actions {
  gap: 8px;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
}

.connection-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #a7a8a3;
}

.connection-status.ready i {
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(24, 121, 78, 0.12);
}

.connection-status.missing i {
  background: var(--accent);
}

.icon-button,
.text-button,
.primary-button {
  border: 0;
  cursor: pointer;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  transition: background 140ms ease, border-color 140ms ease, transform 140ms ease;
}

.icon-button:hover {
  border-color: #c8c9c3;
  background: var(--surface-muted);
}

.icon-button:active {
  transform: scale(0.96);
}

.icon-button.small {
  width: 28px;
  height: 28px;
}

.icon-button svg {
  width: 17px;
  height: 17px;
}

.voice-sidebar,
.history-panel {
  min-height: 0;
  overflow: hidden;
  background: var(--surface);
}

.voice-sidebar {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line);
  padding: 22px 14px 16px;
}

.app-sidebar-nav {
  display: grid;
  gap: 3px;
  margin: -8px -4px 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.app-sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 36px;
  padding: 0 10px;
  border-radius: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: background 140ms ease, color 140ms ease;
}

.app-sidebar-nav a:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.app-sidebar-nav a.is-active {
  background: #fff3ef;
  color: var(--accent-dark);
}

.app-sidebar-nav svg {
  width: 16px;
  height: 16px;
  stroke-width: 1.8;
}

.overlays-list.voice-sidebar {
  overflow: visible;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.overlays-list .voice-list {
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  align-content: start;
}

.history-panel {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
  padding: 22px 16px;
}

.history-panel > .history-list,
.history-panel > .clip-grid {
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
}

.overlays-inspector.history-panel {
  overflow-y: auto;
}

.overlays-inspector.history-panel {
  overflow-y: auto;
}

.section-heading {
  justify-content: space-between;
  min-height: 28px;
  margin: 0 5px 13px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.voice-list,
.history-list {
  display: grid;
  gap: 5px;
}

.voice-sidebar > .voice-list {
  min-height: 0;
  overflow-y: auto;
  align-content: start;
  padding-right: 4px;
  scrollbar-width: thin;
}

.voice-sidebar > .section-heading,
.voice-sidebar > .app-sidebar-nav,
.voice-sidebar > .sidebar-note {
  flex: 0 0 auto;
}

.voice-item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 58px;
  padding: 8px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: background 150ms ease, border-color 150ms ease;
}

.voice-item:hover {
  background: var(--surface-muted);
}

.voice-item.active {
  border-color: #f0b8a7;
  background: #fff3ef;
}

.voice-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  background: #dadbd6;
}

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

.voice-copy strong,
.voice-copy span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.voice-copy strong {
  font-family: "Noto Sans SC", sans-serif;
  font-size: 13px;
  font-weight: 600;
}

.voice-copy span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.voice-check {
  width: 17px;
  height: 17px;
  color: var(--accent);
  opacity: 0;
}

.voice-item.active .voice-check {
  opacity: 1;
}

.voice-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px;
  align-items: center;
  gap: 4px;
}

.voice-row .voice-item {
  min-width: 0;
}

.voice-delete {
  opacity: 0.28;
}

.voice-row:hover .voice-delete,
.voice-row.active .voice-delete {
  opacity: 1;
}

.voice-delete:hover {
  color: #c23a2b;
  border-color: #e7b4ad;
}

.sidebar-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 24px 8px 0;
  color: var(--muted);
  font-size: 10px;
}

.sidebar-note svg {
  width: 14px;
  height: 14px;
}

.workspace {
  min-width: 0;
  overflow-y: auto;
  padding: clamp(28px, 5vw, 70px) clamp(22px, 6vw, 88px) 48px;
}

.editor-section {
  max-width: 840px;
  margin: 0 auto;
}

.editor-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
p {
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
}

h1 {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.2;
}

h2 {
  font-size: 18px;
}

.character-count {
  flex: none;
  color: var(--muted);
  font-size: 12px;
}

.character-count strong {
  color: var(--text);
}

#scriptInput {
  display: block;
  width: 100%;
  min-height: 250px;
  resize: vertical;
  padding: 21px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

#scriptInput:focus {
  border-color: #aaa;
  box-shadow: 0 8px 30px rgba(31, 32, 29, 0.06);
  outline: none;
}

#scriptInput::placeholder {
  color: #a4a59f;
}

.controls-row {
  justify-content: space-between;
  gap: 20px;
  margin-top: 18px;
}

.segmented-control {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(92px, 1fr));
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.segmented-control button {
  min-height: 34px;
  padding: 0 12px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
}

.segmented-control button.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 3px rgba(27, 28, 25, 0.08);
}

.speed-control {
  gap: 10px;
  min-width: min(300px, 45%);
  color: var(--muted);
  font-size: 12px;
}

.speed-control input {
  flex: 1;
  accent-color: var(--accent);
}

.speed-control output {
  width: 34px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.action-row {
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.cost-estimate {
  color: var(--muted);
  font-size: 12px;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 19px;
  border-radius: var(--radius);
  background: var(--accent);
  color: white;
  font-weight: 600;
  transition: background 150ms ease, transform 150ms ease, opacity 150ms ease;
}

.primary-button:hover {
  background: var(--accent-dark);
}

.primary-button:active {
  transform: translateY(1px);
}

.primary-button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.primary-button svg {
  width: 18px;
  height: 18px;
}

.primary-button.loading svg {
  animation: spin 1s linear infinite;
}

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

.primary-button.compact {
  min-height: 38px;
  padding-inline: 16px;
  font-size: 13px;
}

.result-section {
  max-width: 840px;
  min-height: 190px;
  margin: 42px auto 0;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.empty-result {
  display: grid;
  place-items: center;
  align-content: center;
  min-height: 140px;
  color: var(--muted);
  font-size: 12px;
}

.empty-wave {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 34px;
  margin-bottom: 8px;
}

.empty-wave span {
  width: 3px;
  height: 12px;
  background: #b9bab4;
}

.empty-wave span:nth-child(2), .empty-wave span:nth-child(6) { height: 22px; animation-delay: 0.1s; }
.empty-wave span:nth-child(3), .empty-wave span:nth-child(5) { height: 30px; animation-delay: 0.2s; }
.empty-wave span:nth-child(4) { height: 18px; animation-delay: 0.3s; }

.current-result {
  animation: result-in 260ms ease both;
}

@keyframes result-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-meta {
  justify-content: space-between;
  margin-bottom: 18px;
}

.current-result audio {
  width: 100%;
  height: 44px;
}

.result-detail {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.hidden {
  display: none !important;
}

.history-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 20px;
  border-radius: 10px;
  background: var(--surface-muted);
  color: var(--text);
  font-size: 10px;
}

.history-item {
  display: block;
  padding: 12px 8px;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  transition: background 140ms ease;
}

.history-item:hover {
  background: var(--surface-muted);
}

.history-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.history-item strong {
  font-size: 12px;
}

.history-item time,
.history-item p {
  color: var(--muted);
  font-size: 10px;
}

.history-item p {
  display: -webkit-box;
  overflow: hidden;
  margin: 7px 0 0;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.history-empty {
  padding: 18px 8px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

dialog {
  width: min(460px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 80px rgba(20, 21, 18, 0.2);
}

dialog::backdrop {
  background: rgba(30, 31, 28, 0.36);
  backdrop-filter: blur(2px);
}

dialog form {
  padding: 24px;
}

.dialog-header {
  justify-content: space-between;
  margin-bottom: 25px;
}

.field-label {
  display: block;
  margin: 16px 0 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

dialog input {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
}

.secret-input {
  position: relative;
}

.secret-input input {
  padding-right: 48px;
}

.secret-input .icon-button {
  position: absolute;
  top: 7px;
  right: 7px;
  border: 0;
  background: transparent;
}

.field-help {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
}

.field-help code {
  color: var(--text);
}

.dialog-actions {
  justify-content: flex-end;
  gap: 10px;
  margin-top: 28px;
}

.text-button {
  min-height: 38px;
  padding: 0 12px;
  background: transparent;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  max-width: min(380px, calc(100vw - 44px));
  padding: 12px 15px;
  border-radius: var(--radius);
  background: var(--text);
  color: white;
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease;
}

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

.toast.error {
  background: var(--danger);
}

.export-dialog {
  width: min(430px, calc(100vw - 32px));
}

.export-choice-list {
  display: grid;
  gap: 8px;
}

.export-choice-list .overlay-output {
  min-height: 48px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--bg);
}

.export-choice-list .overlay-output:hover {
  border-color: #c4c5bf;
  background: var(--surface-muted);
}

@media (max-width: 1050px) {
  .app-shell {
    grid-template-columns: 210px minmax(0, 1fr);
  }

  .history-panel {
    display: none;
  }
}

@media (max-width: 720px) {
  body {
    overflow: auto;
  }

  .app-shell {
    display: block;
    height: auto;
  }

  .topbar {
    height: 58px;
    padding: 0 14px;
  }

  .connection-status > span {
    display: none;
  }

  .voice-sidebar {
    overflow-x: auto;
    padding: 14px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .voice-sidebar .section-heading,
  .sidebar-note {
    display: none;
  }

  .app-sidebar-nav {
    display: flex;
    gap: 5px;
    margin: 0 0 12px;
    padding: 0 0 10px;
    overflow-x: auto;
    border-bottom: 1px solid var(--line);
  }

  .app-sidebar-nav a {
    flex: 0 0 auto;
    min-height: 32px;
    padding: 0 10px;
  }

  .voice-list {
    display: flex;
    gap: 8px;
  }

  .voice-item {
    flex: 0 0 165px;
  }

  .workspace {
    overflow: visible;
    padding: 28px 16px 48px;
  }

  .editor-header {
    align-items: flex-start;
  }

  h1 {
    font-size: 25px;
  }

  #scriptInput {
    min-height: 220px;
    padding: 16px;
    font-size: 15px;
  }

  .controls-row {
    align-items: stretch;
    flex-direction: column;
  }

  .speed-control {
    width: 100%;
    min-width: 0;
  }

  .action-row {
    align-items: stretch;
    flex-direction: column;
  }

  .primary-button {
    width: 100%;
  }

  .dialog-actions .primary-button {
    width: auto;
  }
}

.clips-shell {
  grid-template-columns: 184px minmax(0, 1fr);
}

.clips-filter {
  padding: 22px 10px 14px;
}

.clips-filter .app-sidebar-nav {
  margin-right: 0;
  margin-left: 0;
}

.clips-filter-heading,
.clips-heading,
.clips-toolbar,
.clips-toolbar-actions,
.clips-context-bar,
.clips-context-actions,
.clips-library-heading,
.detail-header,
.detail-actions,
.detail-management-heading,
.detail-edit-actions {
  display: flex;
  align-items: center;
}

.clips-filter-heading {
  justify-content: space-between;
  gap: 10px;
  margin: 0 4px 10px;
}

.clips-filter-heading span,
.clips-filter-heading small {
  display: block;
}

.clips-filter-heading span {
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
}

.clips-filter-heading small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.clips-event-list {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  align-content: start;
  gap: 3px;
  padding-right: 3px;
  scrollbar-width: thin;
}

.clip-event-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  width: 100%;
  min-height: 46px;
  padding: 5px 7px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.clip-event-item:hover {
  background: var(--surface-muted);
}

.clip-event-item.active {
  border-color: #f0b8a7;
  background: #fff3ef;
}

.clip-event-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 5px;
  background: #ecece8;
}

.clip-event-icon svg {
  width: 14px;
  height: 14px;
  color: #6d6f69;
}

.clip-event-item .voice-copy {
  min-width: 0;
}

.clip-event-item .voice-copy strong {
  display: block;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.clip-event-item .voice-copy small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.clip-event-count {
  min-width: 20px;
  color: var(--muted);
  font-size: 10px;
  text-align: right;
}

.clips-sidebar-note {
  margin-top: 10px;
  line-height: 1.5;
}

.clips-workspace {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 0;
  background: #f3f3f0;
}

.clips-toolbar {
  min-height: 90px;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 22px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(247, 247, 245, 0.96);
}

.clips-heading {
  min-width: 0;
  gap: 12px;
}

.clips-heading .eyebrow,
.detail-header .eyebrow {
  margin: 0 0 3px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.clips-heading h1 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: 0;
}

.clips-total {
  flex: 0 0 auto;
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--surface);
  color: var(--muted);
  font-size: 10px;
}

.clips-toolbar-actions {
  flex: 0 1 580px;
  justify-content: flex-end;
  gap: 8px;
}

.clips-search {
  position: relative;
  display: block;
  flex: 1;
  max-width: 340px;
}

.clips-search svg {
  position: absolute;
  top: 10px;
  left: 11px;
  width: 15px;
  height: 15px;
  color: var(--muted);
}

.clips-search input,
.clips-select select,
.detail-edit-form input,
.detail-edit-form textarea,
.detail-edit-form select {
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text);
}

.clips-search input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 34px;
  font-size: 12px;
}

.clips-select select {
  height: 36px;
  padding: 0 28px 0 10px;
  font-size: 11px;
}

.clips-new-group {
  display: inline-flex;
  min-height: 36px;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
}

.clips-new-group svg {
  width: 14px;
  height: 14px;
}

.clips-import {
  display: inline-flex;
  min-height: 36px;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
}

.clips-import svg {
  width: 14px;
  height: 14px;
}

.clips-context-bar {
  min-height: 56px;
  justify-content: space-between;
  gap: 18px;
  padding: 9px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.clips-context-bar strong,
.clips-context-bar span {
  display: block;
}

.clips-context-bar strong {
  font-size: 12px;
}

.clips-context-copy {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}

.clips-context-copy > div {
  min-width: 0;
}

.clips-context-copy > div > span {
  max-width: 660px;
  margin-top: 2px;
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.clips-back-button {
  display: inline-flex;
  min-height: 30px;
  flex: 0 0 auto;
  align-items: center;
  gap: 5px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  color: var(--muted);
  font-size: 10px;
  cursor: pointer;
}

.clips-back-button:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.clips-back-button[hidden],
.event-id-label[hidden] {
  display: none;
}

.clips-back-button svg {
  width: 13px;
  height: 13px;
}

.event-id-label {
  flex: 0 0 auto;
  padding: 3px 6px;
  border-radius: 4px;
  background: var(--surface-muted);
  color: var(--muted);
  font-family: "DM Sans", sans-serif;
  font-size: 9px;
}

.clips-context-actions {
  flex: 0 0 auto;
  gap: 4px;
}

.filter-chip {
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid transparent;
  border-radius: 5px;
  background: transparent;
  color: var(--muted);
  font-size: 10px;
  cursor: pointer;
}

.filter-chip:hover,
.filter-chip.is-active {
  border-color: var(--line);
  background: var(--surface-muted);
  color: var(--text);
}

.clips-browser {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.clips-browser.has-detail {
  grid-template-columns: minmax(0, 1fr) 440px;
}

.clips-library-panel {
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
  padding: 16px 18px 28px 22px;
  scrollbar-width: thin;
}

.clips-library-heading {
  justify-content: space-between;
  min-height: 24px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
}

.clips-library-heading > span:first-child {
  color: var(--text);
  font-size: 11px;
}

.event-workspace-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  align-content: start;
  gap: 12px;
}

.event-workspace-grid[hidden],
.clip-grid[hidden],
.clip-detail-panel[hidden] {
  display: none;
}

.event-workspace-card {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  min-width: 0;
  min-height: 126px;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: border-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
}

.event-workspace-card:hover {
  border-color: #c5c6c0;
  box-shadow: 0 6px 18px rgba(32, 33, 31, 0.08);
  transform: translateY(-1px);
}

.event-workspace-preview {
  display: grid;
  min-width: 0;
  height: 100%;
  overflow: hidden;
  background: #e7e8e3;
}

.event-workspace-preview.has-1 {
  grid-template-columns: 1fr;
}

.event-workspace-preview.has-2 {
  grid-template-columns: 1fr 1fr;
}

.event-workspace-preview.has-3 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}

.event-workspace-preview.has-3 img:first-child {
  grid-row: 1 / 3;
}

.event-workspace-preview img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  border-right: 1px solid rgba(255, 255, 255, 0.65);
}

.event-workspace-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8b8d87;
}

.event-workspace-empty svg {
  width: 28px;
  height: 28px;
}

.event-workspace-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 13px 14px 11px;
}

.event-workspace-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.event-workspace-heading strong {
  overflow: hidden;
  font-size: 13px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-workspace-heading b {
  display: inline-flex;
  min-width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 10px;
}

.event-workspace-copy code {
  margin-top: 4px;
  overflow: hidden;
  color: var(--muted);
  font-family: "DM Sans", sans-serif;
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-workspace-copy > small {
  display: -webkit-box;
  min-height: 30px;
  margin-top: 8px;
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.event-workspace-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 8px;
}

.event-workspace-meta > span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 9px;
}

.event-workspace-meta svg {
  width: 11px;
  height: 11px;
}

.clip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(205px, 1fr));
  align-content: start;
  gap: 14px 12px;
}

.clip-card {
  min-width: 0;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.clip-card:hover,
.clip-card.is-current {
  border-color: #c9cac5;
  background: var(--surface);
  box-shadow: 0 4px 14px rgba(32, 33, 31, 0.07);
}

.clip-card.is-current {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(217, 87, 53, 0.12);
}

.clip-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  border-radius: 5px 5px 0 0;
  overflow: hidden;
  background: #1b1c1a;
}

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

.clip-thumb video {
  position: absolute;
  inset: 0;
  opacity: 0;
}

.clip-card.is-previewing .clip-thumb video {
  opacity: 1;
}

.clip-duration,
.clip-source-badge,
.clip-hover-hint {
  position: absolute;
  display: inline-flex;
  align-items: center;
  border-radius: 3px;
  background: rgba(25, 26, 24, 0.82);
  color: #fff;
  font-size: 9px;
}

.clip-duration {
  right: 6px;
  bottom: 6px;
  padding: 2px 5px;
}

.clip-source-badge {
  top: 6px;
  left: 6px;
  gap: 4px;
  padding: 3px 5px;
}

.clip-source-badge svg,
.clip-hover-hint svg {
  width: 10px;
  height: 10px;
}

.clip-hover-hint {
  top: 50%;
  left: 50%;
  gap: 4px;
  padding: 5px 7px;
  opacity: 0;
  transform: translate(-50%, -50%);
}

.clip-card:hover .clip-hover-hint {
  opacity: 1;
}

.clip-card.is-previewing .clip-hover-hint {
  opacity: 0;
}

.clip-copy {
  display: grid;
  gap: 5px;
  min-width: 0;
  padding: 9px 9px 10px;
}

.clip-copy strong {
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.clip-copy span {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.clip-copy svg {
  width: 11px;
  height: 11px;
  flex: 0 0 auto;
}

.clip-detail-panel {
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
  border-left: 1px solid var(--line);
  background: var(--surface);
  scrollbar-width: thin;
}

.detail-empty {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.detail-empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 10px;
  border-radius: 6px;
  background: var(--surface-muted);
}

.detail-empty-icon svg {
  width: 17px;
  height: 17px;
}

.detail-empty strong {
  color: var(--text);
  font-size: 12px;
}

.detail-empty > span:last-child {
  margin-top: 4px;
  font-size: 10px;
}

.detail-content {
  padding: 20px;
}

.detail-empty[hidden],
.detail-content[hidden] {
  display: none;
}

.detail-header {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.detail-header h2 {
  max-width: 350px;
  margin: 0;
  overflow: hidden;
  font-size: 17px;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-preview {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 6px;
  background: #181917;
}

.detail-preview video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.detail-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 10px;
  margin: 15px 0 12px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}

.detail-meta-grid span,
.detail-meta-grid strong {
  display: block;
}

.detail-meta-grid span {
  color: var(--muted);
  font-size: 9px;
}

.detail-meta-grid strong {
  margin-top: 3px;
  overflow: hidden;
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-description {
  margin: 0;
  font-size: 11px;
  line-height: 1.6;
}

.detail-description.is-empty {
  color: var(--muted);
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
}

.detail-tags:empty {
  display: none;
}

.detail-tags span {
  padding: 3px 6px;
  border-radius: 4px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 9px;
}

.detail-actions {
  gap: 7px;
  margin-top: 15px;
}

.detail-actions .primary-button {
  display: inline-flex;
  min-height: 38px;
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: 7px;
  text-decoration: none;
}

.detail-actions svg,
.management-button svg,
.detail-edit-actions svg {
  width: 15px;
  height: 15px;
}

.detail-management,
.detail-edit-form {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.detail-management-heading {
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.detail-management-heading span {
  font-size: 11px;
  font-weight: 700;
}

.detail-management-heading small {
  color: var(--muted);
  font-size: 9px;
}

.management-button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  min-height: 34px;
  padding: 0 6px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: var(--text);
  font-size: 10px;
  cursor: pointer;
}

.management-button:hover {
  background: var(--surface-muted);
}

.danger-text {
  color: var(--danger);
}

.detail-edit-form {
  display: grid;
  gap: 10px;
}

.detail-edit-form[hidden] {
  display: none;
}

.detail-edit-form label > span {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 600;
}

.detail-edit-form input,
.detail-edit-form textarea,
.detail-edit-form select {
  width: 100%;
  padding: 8px 9px;
  font-size: 11px;
}

.detail-edit-form textarea {
  resize: vertical;
}

.detail-edit-actions {
  justify-content: flex-end;
  gap: 6px;
}

.detail-edit-actions .primary-button {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  gap: 6px;
}

.clips-empty-state {
  grid-column: 1 / -1;
  display: flex;
  min-height: 240px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-align: center;
}

.clips-empty-state svg {
  width: 24px;
  height: 24px;
  margin-bottom: 8px;
}

.clips-empty-state strong {
  color: var(--text);
  font-size: 12px;
}

.clips-empty-state span {
  margin-top: 3px;
  font-size: 12px;
}

.clip-group-dialog {
  width: min(420px, calc(100vw - 32px));
}

.clip-group-dialog h2 {
  margin: 3px 0 0;
  font-size: 18px;
  letter-spacing: 0;
}

.cap-import-dialog {
  width: min(480px, calc(100vw - 32px));
}

.cap-import-help {
  margin: -2px 0 16px;
  line-height: 1.6;
}

.cap-import-dialog select,
.cap-import-dialog input {
  width: 100%;
  min-height: 36px;
  margin-bottom: 12px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text);
  font-size: 11px;
}

.cap-choose-files {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  margin-bottom: 8px;
}

.cap-choose-files svg {
  width: 14px;
  height: 14px;
}

.cap-import-files {
  display: grid;
  gap: 5px;
  max-height: 130px;
  margin-top: 2px;
  padding: 9px;
  overflow-y: auto;
  border: 1px dashed var(--line);
  border-radius: 5px;
  background: var(--bg);
}

.cap-import-files span {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.4;
}

.cap-import-files span:not(.is-empty) {
  color: var(--text);
}

.cap-import-files svg {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  color: var(--accent);
}

.cap-import-progress {
  min-height: 18px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 10px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1180px) {
  .clips-browser.has-detail {
    grid-template-columns: minmax(0, 1fr) 400px;
  }

  .clip-grid {
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  }

  .event-workspace-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

@media (max-width: 1000px) {
  .clips-browser {
    display: block;
  }

  .clips-library-panel {
    height: 100%;
  }

  .clip-detail-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 8;
    display: none;
    width: min(430px, 92%);
    box-shadow: -12px 0 30px rgba(32, 33, 31, 0.14);
  }

  .clip-detail-panel.has-selection {
    display: block;
  }
}

@media (max-width: 1100px) and (min-width: 721px) {
  .clips-toolbar {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px;
  }

  .clips-heading {
    flex: 1 0 220px;
  }

  .clips-toolbar-actions {
    flex: 1 1 100%;
    justify-content: flex-start;
  }

  .clips-search {
    max-width: none;
  }
}

@media (max-width: 720px) {
  .clips-page {
    overflow: auto;
  }

  .clips-shell {
    display: block;
    height: auto;
  }

  .clips-filter {
    padding-bottom: 10px;
  }

  .clips-filter-heading,
  .clips-sidebar-note {
    display: none;
  }

  .clips-event-list {
    display: flex;
    gap: 6px;
    overflow-x: auto;
  }

  .clip-event-item {
    flex: 0 0 150px;
  }

  .clips-workspace {
    display: block;
    overflow: visible;
  }

  .clips-toolbar {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }

  .clips-toolbar-actions,
  .clips-search {
    width: 100%;
    max-width: none;
  }

  .clips-toolbar-actions {
    flex: 0 0 auto;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .clips-toolbar-actions .clips-search {
    flex: 1 0 100%;
  }

  .clips-new-group {
    width: auto;
  }

  .clips-import {
    width: auto;
  }

  .clips-context-bar {
    align-items: flex-start;
    flex-direction: column;
    padding: 10px 16px;
  }

  .clips-library-panel {
    height: auto;
    overflow: visible;
    padding: 14px 16px 24px;
  }

  .clip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 8px;
  }

  .event-workspace-grid {
    grid-template-columns: 1fr;
  }

  .clips-library-hint {
    display: none;
  }

  .clip-detail-panel {
    position: fixed;
    top: 58px;
    width: min(360px, 92vw);
  }
}

.overlays-shell {
  grid-template-columns: 232px minmax(0, 1fr);
}

.overlays-inspector {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.overlay-preview-panel {
  margin-bottom: 16px;
}

.overlay-preview-phone {
  aspect-ratio: 9 / 16;
  width: min(100%, 360px);
  height: auto;
  max-width: 100%;
  max-height: 100%;
  margin: auto;
  border-radius: 14px;
  overflow: hidden;
  background: #111;
  box-shadow: 0 10px 24px rgba(32, 33, 31, 0.12);
}

.overlay-preview-phone.is-landscape {
  aspect-ratio: 16 / 9;
  width: min(100%, 640px);
}

.component-demo.is-landscape {
  aspect-ratio: 16 / 9;
}

.overlay-preview-canvas {
  width: 100%;
  height: 100%;
}

.overlay-preview-canvas .overlay-card {
  cursor: default;
}

.overlay-preview-controls {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 8px;
}

.overlay-add-wrap {
  position: relative;
}

.overlay-component-menu {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  z-index: 40;
  display: grid;
  width: 292px;
  max-height: min(72vh, 640px);
  overflow-y: auto;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 10px 24px rgba(32, 33, 31, 0.12);
}

.overlay-component-menu[hidden] {
  display: none;
}

.overlay-component-menu button {
  padding: 8px 10px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.overlay-component-menu button:hover {
  background: var(--surface-muted);
}

.overlay-component-menu .component-menu-item {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
}

.component-demo {
  position: relative;
  flex: 0 0 auto;
  width: 46px;
  aspect-ratio: 9 / 16;
  border-radius: 6px;
  overflow: hidden;
  background: #1f1f24;
}

.component-demo-card {
  position: absolute;
  left: 0;
  top: 0;
  border-radius: 10%;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.45);
  will-change: transform, opacity;
}

.component-demo-card i {
  display: block;
}

.component-demo-card i:first-child {
  height: 36%;
  background: var(--demo-hue, #a78bfa);
}

.component-demo-card i:last-child {
  height: 8%;
  margin: 12% 14% 0;
  border-radius: 99px;
  background: #d9d9de;
}

.component-menu-text {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.component-menu-title {
  font-size: 13px;
  font-weight: 600;
}

.component-menu-hint {
  font-size: 11px;
  line-height: 1.45;
  color: var(--muted, #8a8a8a);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.overlays-stage {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
  padding: 16px 20px;
  background: #f4f4f0;
}

.overlay-toolbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.overlay-stage-meta {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.overlay-workbench-grid {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(360px, 1fr);
  gap: 16px;
  overflow: hidden;
}

/* 左侧：素材序列看板 */
.overlay-manager-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100%;
  padding: 14px;
  border: 1px solid #d9d9d2;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
  overflow: hidden;
}

.pane-heading-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pane-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.small-toolbar-button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 28px;
  padding: 0 10px;
  border: 1px solid #cfcfc6;
  border-radius: 6px;
  background: #f7f7f4;
  color: var(--text);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.small-toolbar-button:hover {
  background: #ebebe5;
  border-color: #b5b5ab;
}

.small-toolbar-button svg {
  width: 14px;
  height: 14px;
}

.overlay-drag-hint-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  margin-bottom: 10px;
  border-radius: 6px;
  background: #f4f5f0;
  color: #65675e;
  font-size: 11px;
}

.overlay-drag-hint-bar svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.overlay-manager-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
}

.overlay-manager-pane .overlay-slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
  margin: 0;
}

.overlay-manager-pane .overlay-timeline {
  flex: 0 0 auto;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #ededeb;
}

/* 素材卡片序列 */
.overlay-slot-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid #deded7;
  border-radius: 8px;
  background: #fafaf8;
  overflow: hidden;
  transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
  user-select: none;
  cursor: grab;
}

.overlay-slot-card:active {
  cursor: grabbing;
}

.overlay-slot-card.is-dragging-item {
  opacity: 0.9;
  z-index: 30;
  transform: scale(1.03);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
  border-color: #2b74e2;
  transition: none;
}

.overlay-slot-card.is-active-item {
  border-color: #e4572e;
  box-shadow: 0 0 0 2px rgba(228, 87, 46, 0.25);
}

.overlay-slot-card.is-drag-over {
  border-color: #2b74e2;
  box-shadow: 0 0 0 2px #2b74e2;
  transform: scale(1.02);
}

.overlay-slot-card.is-land-slot {
  border-color: #e4572e;
}

.overlay-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 6px;
  background: #f0f0eb;
  border-bottom: 1px solid #e3e3dc;
  font-size: 11px;
  font-weight: 600;
  color: #4b4d45;
}

.slot-drag-handle {
  cursor: grab;
  color: #8c8e85;
  display: flex;
  align-items: center;
}

.slot-drag-handle:active {
  cursor: grabbing;
}

.overlay-slot-card-preview {
  position: relative;
  aspect-ratio: 9 / 16;
  background: #1c1d1b;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.overlay-slot-card-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.overlay-empty-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: #8c8e85;
  font-size: 11px;
}

.overlay-empty-placeholder svg {
  width: 20px;
  height: 20px;
  opacity: 0.6;
}

.overlay-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px;
  background: #fff;
  border-top: 1px solid #ededeb;
}

.slot-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 22px;
  padding: 0 6px;
  border: 1px solid #d5d6ce;
  border-radius: 4px;
  background: #f8f8f5;
  color: #4c4e46;
  font-size: 10px;
  cursor: pointer;
}

.slot-action-btn:hover {
  background: #e8e8e2;
  border-color: #b8b9af;
}

.slot-action-btn.is-land-badge {
  background: #e4572e;
  border-color: #e4572e;
  color: #fff;
  font-weight: 600;
}

.slot-move-group {
  display: flex;
  gap: 2px;
}

.slot-move-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 22px;
  border: 1px solid #d5d6ce;
  border-radius: 3px;
  background: #fff;
  color: #6d6f66;
  cursor: pointer;
  padding: 0;
}

.slot-move-btn:hover:not(:disabled) {
  background: #ecece6;
  color: #111;
}

.slot-move-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.slot-move-btn svg {
  width: 12px;
  height: 12px;
}

/* 辅槽：背景/配乐卡片 */
.overlay-aux-card {
  grid-column: span 1;
  background: #f2f3ee;
  border-style: dashed;
}

/* 右侧：成片实时预览与参数面板 */
.overlay-inspector-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100%;
  padding: 14px;
  border: 1px solid #2f302d;
  border-radius: 12px;
  background: #1c1d1a;
  color: #efefe9;
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
  overflow-y: auto;
  scrollbar-gutter: stable;
}

.overlay-inspector-pane .pane-heading {
  color: #f6f6f2;
}

.preview-badge {
  padding: 2px 6px;
  border-radius: 4px;
  background: #2b2c28;
  color: #a8aaa0;
  font-size: 10px;
  font-family: monospace;
}

.overlay-preview-container {
  position: relative;
  flex: 0 0 clamp(260px, 40vh, 420px);
  min-height: 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6px 0 10px;
  container-type: size;
}

.overlay-preview-viewport {
  position: relative;
  aspect-ratio: 9 / 16;
  width: min(100cqw, calc((100cqh - 38px) * 9 / 16));
  height: min(calc(100cqh - 38px), calc(100cqw * 16 / 9));
  max-width: 100%;
  max-height: calc(100% - 38px);
  border-radius: 14px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 8px 30px rgba(0,0,0,0.45);
}

.overlay-preview-viewport.is-landscape {
  aspect-ratio: 16 / 9;
  width: min(100cqw, calc((100cqh - 38px) * 16 / 9));
  height: min(calc(100cqh - 38px), calc(100cqw * 9 / 16));
}

.overlay-preview-overlay-controls {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 8px;
  width: 100%;
}

.overlay-preview-overlay-controls .text-button {
  color: #f6f6f2;
  background: #2b2c28;
  padding: 4px 12px;
  border-radius: 5px;
  border: 1px solid #3e403a;
}

.overlay-preview-overlay-controls .text-button:hover {
  background: #393a34;
}

.preview-stage-hint {
  color: #8c8e85;
  font-size: 10px;
}

.overlay-controls-panel {
  flex: 0 0 auto;
  max-height: none;
  overflow: visible;
  padding-top: 10px;
  border-top: 1px solid #2e302b;
  scrollbar-width: thin;
}

.section-subheading {
  font-size: 11px;
  font-weight: 700;
  color: #d1d3ca;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.overlay-controls-panel .overlay-knobs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 10px;
}

.overlay-controls-panel .overlay-knob {
  padding: 6px 8px;
  border: 1px solid #333530;
  border-radius: 6px;
  background: #252622;
  color: #e2e4db;
  font-size: 11px;
}

.overlay-controls-panel .overlay-knob strong {
  color: #f79824;
}

.overlay-controls-panel .overlay-knob input[type="range"] {
  width: 100%;
  accent-color: #e4572e;
}

.overlay-controls-panel .overlay-choice {
  background: #1c1d1a;
  border: 1px solid #3a3c35;
  color: #cfd1c7;
}

.overlay-controls-panel .overlay-choice.is-active {
  background: #e4572e;
  border-color: #e4572e;
  color: #fff;
}

.overlay-controls-panel .overlay-outputs {
  margin-top: 6px;
}

.overlay-controls-panel .overlay-output {
  border: 1px solid #333530;
  background: #252622;
  color: #f2f3ec;
}

.overlay-controls-panel .overlay-output small {
  color: #8e9086;
}

@media (max-width: 1024px) {
  .overlay-workbench-grid {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
  .overlay-manager-pane,
  .overlay-inspector-pane {
    height: auto;
    min-height: 480px;
    overflow: visible;
  }
}
  gap: 16px;
  min-height: 38px;
  margin-bottom: 10px;
}

.overlay-toolbar-context {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 11px;
}

.toolbar-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
}

.overlay-toolbar-actions {
  display: flex;
  gap: 8px;
}

.toolbar-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
}

.toolbar-button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.toolbar-button svg {
  width: 15px;
  height: 15px;
}

.overlay-workbench-columns {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 14px;
  height: 560px;
  min-height: 0;
}

.overlay-editor-pane,
.overlay-live-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  height: 100%;
  padding: 12px;
  border: 1px solid #dedfd9;
  border-radius: 10px;
  background: #e9e9e4;
}

.overlay-live-pane {
  background: #20211f;
  border-color: #30312e;
}

.pane-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 28px;
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
}

.overlay-live-pane .pane-heading {
  color: #f6f6f2;
}

.pane-hint {
  color: var(--muted);
  font-size: 10px;
  font-weight: 400;
}

.overlay-live-pane .history-count {
  background: #353632;
  color: #d9dad4;
}

.overlay-stage-meta {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.overlay-title {
  display: block;
  width: min(420px, 100%);
  margin-top: 4px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 28px;
  font-weight: 700;
}

.overlay-canvas-wrap {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  container-type: size;
}

.overlay-phone {
  aspect-ratio: 9 / 16;
  height: min(100%, 560px);
  width: auto;
  max-width: 100%;
  max-height: 100%;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(32, 33, 31, 0.12);
  background: #1c1d1b;
}

@supports (container-type: size) {
  .overlay-phone,
  .overlay-preview-phone {
    width: min(100cqw, calc(100cqh * 9 / 16));
    height: min(100cqh, calc(100cqw * 16 / 9));
  }
}

.overlay-canvas {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-image:
    linear-gradient(45deg, #2a2b29 25%, transparent 25%),
    linear-gradient(-45deg, #2a2b29 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a2b29 75%),
    linear-gradient(-45deg, transparent 75%, #2a2b29 75%);
  background-size: 28px 28px;
  background-position: 0 0, 0 14px, 14px -14px, -14px 0;
  touch-action: none;
}

.overlay-canvas-bg {
  position: absolute;
  object-fit: fill;
  pointer-events: none;
  z-index: 0;
}

.overlay-canvas-bg.is-cover {
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.overlay-canvas.is-dragging-bg {
  cursor: grabbing;
}

.overlay-card {
  position: absolute;
  border-radius: 0;
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  background: #ecece8;
  cursor: grab;
  transform-origin: center center;
  user-select: none;
}

.overlay-card.is-dragging {
  cursor: grabbing;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.38);
}

.overlay-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: top;
  display: block;
  pointer-events: none;
}

.overlay-card.is-cover img,
.overlay-card.is-stage-fill img {
  object-fit: fill;
  object-position: center;
}

.overlay-card.is-stage-fill {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
}

.overlay-ripple-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.overlay-card-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: #8b8d86;
  font-size: 28px;
  font-weight: 700;
}

.overlay-timeline {
  position: relative;
  height: 76px;
  margin-top: 14px;
  padding: 8px 0 0;
  border-top: 0;
}

.timeline-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
}

.timeline-track {
  position: relative;
  height: 28px;
  border-radius: 5px;
  background: repeating-linear-gradient(90deg, #d9dad4 0, #d9dad4 1px, transparent 1px, transparent 10%);
}

.timeline-track::after {
  display: none;
}

.timeline-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.timeline-segment {
  position: absolute;
  top: 3px;
  height: 22px;
  min-width: 30px;
  padding: 0 7px;
  border: 0;
  border-right: 1px solid rgba(255,255,255,0.38);
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  text-align: left;
  cursor: pointer;
}

.timeline-segment.is-active {
  box-shadow: inset 0 0 0 2px #fff;
}

.timeline-segment strong,
.timeline-segment small {
  display: inline-block;
  margin-right: 5px;
  font-size: 10px;
}

.timeline-segment small {
  opacity: 0.78;
}

.overlay-settings-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 1fr);
  width: 100%;
  gap: 16px;
  align-items: start;
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid #d4d5cf;
}

.overlay-settings-panel > .section-heading {
  grid-column: 1 / -1;
  margin: 0;
}

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

.preserve-note {
  color: var(--muted);
  font-size: 10px;
  font-weight: 400;
}

.overlay-settings-panel .overlay-slots {
  grid-column: 1 / -1;
  width: 100%;
  margin: 0;
}

.overlay-settings-panel .overlay-knobs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  min-width: 0;
  max-height: none;
  padding-right: 0;
}

.overlay-settings-panel .overlay-knob {
  margin-bottom: 0;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
}

.overlay-settings-panel .overlay-knob input[type="range"] {
  width: 100%;
}

.overlay-settings-panel .overlay-export,
.overlay-settings-panel .overlay-outputs {
  margin: 0;
}

/* 参数区按内容顺序排列，避免网格行在可滚动容器中互相覆盖。 */
.overlays-stage > .overlay-settings-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}

.overlays-stage > .overlay-settings-panel > .section-heading,
.overlays-stage > .overlay-settings-panel > .overlay-slots,
.overlays-stage > .overlay-settings-panel > .overlay-knobs,
.overlays-stage > .overlay-settings-panel > .overlay-export,
.overlays-stage > .overlay-settings-panel > .overlay-outputs {
  flex: 0 0 auto;
  grid-column: auto;
}

.overlays-stage > .overlay-settings-panel > .overlay-slots {
  min-height: 168px;
}

.overlays-stage > .overlay-settings-panel > .overlay-knobs {
  width: 100%;
}

.overlay-settings-panel .overlay-export > .primary-button {
  display: none;
}

.overlay-output {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.overlay-output span {
  display: grid;
  gap: 2px;
}

.overlay-output small {
  color: var(--muted);
  font-size: 10px;
}

.overlay-output svg {
  width: 15px;
  height: 15px;
}

.overlay-slots {
  display: flex;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 16px;
  scrollbar-width: thin;
}

.overlay-slot {
  flex: 1 1 118px;
  max-width: 180px;
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 11px;
  cursor: pointer;
  text-align: left;
}

.overlay-slot-thumb {
  display: block;
  aspect-ratio: 3 / 4;
  border-radius: 6px;
  overflow: hidden;
  background: var(--surface-muted);
}

.overlay-slot-thumb img,
.overlay-slot-thumb span {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  object-fit: contain;
  object-position: center;
  background: #ecece8;
}

.overlay-slot-bg {
  flex-basis: 118px;
}

.overlay-slot-music {
  flex: 0 0 128px;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: center;
  min-height: 40px;
  padding: 6px 8px;
}

.overlay-slot-music .overlay-slot-thumb {
  width: 28px;
  aspect-ratio: 1;
  border-radius: 50%;
}

.overlay-slot-music .overlay-slot-thumb span {
  font-size: 14px;
}

.overlay-choices {
  display: flex;
  gap: 6px;
}

.overlay-choice {
  flex: 1;
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.overlay-choice.is-active {
  border-color: var(--text);
  background: var(--text);
  color: #fff;
}

.overlay-knob {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 12px;
}

.overlay-knob span {
  display: flex;
  justify-content: space-between;
}

.overlay-knob strong {
  color: var(--text);
  font-weight: 600;
}

.overlay-knob input[type="range"] {
  width: 100%;
  height: 28px;
  margin: 0;
  accent-color: var(--accent);
  cursor: pointer;
  touch-action: none;
}

.overlay-export {
  display: grid;
  gap: 6px;
  margin: 18px 0 12px;
}

.overlay-inspector-pane .overlay-export {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0 0;
}

.overlay-inspector-pane .overlay-export .primary-button {
  flex: 1;
}

.overlay-inspector-pane .overlay-secondary-actions {
  justify-content: flex-end;
}

.overlay-inspector-pane .icon-button {
  border-color: #3a3c35;
  background: #252622;
  color: #d7d9cf;
}

.overlay-inspector-pane .icon-button:hover {
  background: #31332d;
}

.overlay-inspector-pane .danger-icon {
  color: #e46a4a;
}

.overlay-export .primary-button {
  width: 100%;
}

.overlay-export .text-button {
  min-height: 30px;
  padding: 0 8px;
  text-align: left;
}

.overlay-secondary-actions {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
}

.danger-icon {
  color: var(--danger);
}

.overlay-publish {
  display: grid;
  gap: 8px;
  margin: 4px 0 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.overlay-publish select,
.overlay-publish input[type="text"] {
  width: 100%;
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
}

.danger-text {
  color: var(--danger);
}

.overlay-outputs {
  display: grid;
  gap: 6px;
}

.overlay-output {
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--surface-muted);
  color: var(--text);
  font-size: 12px;
  text-decoration: none;
}

.edit-shell {
  grid-template-columns: 232px minmax(0, 1fr) 280px;
}

.edit-stage {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0;
  min-width: 0;
  overflow: auto;
}

.edit-live-pane {
  padding: 18px 22px 8px;
  background: #f3f3f0;
}

.edit-preview-frame {
  position: relative;
  display: inline-flex;
  max-width: 100%;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  background: #111;
}

.edit-live-pane .pane-heading + .edit-preview-frame,
.edit-live-pane {
  text-align: center;
}

.edit-preview-frame video {
  display: block;
  width: auto;
  max-width: min(100%, 920px);
  height: auto;
  max-height: 38vh;
  margin: 0;
  object-fit: contain;
  background: #111;
}

.edit-preview-caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  margin: 0;
  color: #fff;
  font-size: 14px;
  line-height: 1.5;
  text-align: left;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.55);
}

.edit-preview-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 12px;
}

.preview-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.preview-action:hover {
  background: var(--surface-muted);
}

.preview-action svg {
  width: 16px;
  height: 16px;
}

.edit-slot.is-current {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(228, 87, 46, 0.18);
}

.edit-voices audio,
.edit-stage video {
  width: 100%;
  margin-top: 12px;
}

.edit-voices .primary-button {
  width: calc(100% - 10px);
  margin: 8px 5px 0;
}

.edit-board {
  min-height: calc(100vh - 120px);
}

.stage-subtitle {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.edit-slots {
  display: grid;
  gap: 10px;
}

.edit-slot {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 8px 12px;
  padding: 10px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: var(--surface);
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.edit-slot.is-filled {
  border-style: solid;
  border-color: #f0b8a7;
}

.edit-slot:hover {
  border-color: #c9cac4;
  box-shadow: 0 8px 22px rgba(32, 33, 31, 0.06);
  transform: translateY(-1px);
}

.edit-slot-time,
.edit-slot-text {
  grid-column: 1 / -1;
  margin: 0;
}

.edit-slot-time {
  color: var(--muted);
  font-size: 12px;
}

.edit-slot-text {
  font-size: 14px;
}

.edit-slot-drop {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 12px;
  overflow: hidden;
}

.edit-slot-drop img {
  width: 92px;
  height: 52px;
  object-fit: cover;
}

.edit-slot-meta {
  display: grid;
  gap: 6px;
  align-content: start;
}

.edit-slot-meta label,
.edit-slot-meta button {
  color: var(--muted);
  font-size: 12px;
}

.edit-slot-meta input[type="range"] {
  width: 120px;
  vertical-align: middle;
}

.edit-slot-meta button {
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  padding: 0;
}

.fit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.fit-chip {
  min-height: 26px;
  padding: 0 8px !important;
  border: 1px solid var(--line) !important;
  border-radius: 999px;
  background: var(--surface) !important;
  color: var(--muted);
}

.fit-chip.is-active {
  border-color: var(--text) !important;
  background: var(--text) !important;
  color: #fff;
}

@media (max-width: 1180px) {
  .overlay-workbench-columns {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 0.75fr);
  }

  .overlays-shell {
    grid-template-columns: 190px minmax(0, 1fr);
  }
}

@media (max-width: 900px) {
  .overlay-workbench-columns {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 420px;
  }

  .overlay-live-pane {
    min-height: 420px;
  }

  .overlay-settings-panel {
    grid-template-columns: 1fr;
  }

  .overlay-settings-panel .overlay-knobs {
    grid-template-columns: 1fr;
  }
}

.hidden {
  display: none !important;
}

/* 叠加模板：上方工作区固定，只有下方参数区滚动。 */
.overlays-stage {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.overlays-stage > .overlay-toolbar,
.overlays-stage > .overlay-stage-meta,
.overlays-stage > .overlay-workbench-columns,
.overlays-stage > .overlay-timeline {
  flex: 0 0 auto;
}

.overlays-stage > .overlay-workbench-columns {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.overlays-stage > .overlay-settings-panel {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding-right: 8px;
  scrollbar-width: thin;
}

.overlay-editor-pane {
  background: #dedfda;
}

.overlay-editor-pane .overlay-phone,
.overlay-live-pane .overlay-preview-phone {
  max-width: 100%;
  max-height: 100%;
}

.overlay-live-pane .overlay-canvas-wrap {
  flex: 1;
  min-height: 0;
}

.overlay-live-pane .overlay-preview-controls .text-button {
  color: #f6f6f2;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Shared dark workbench skin. Page-specific layouts stay independent, while
   navigation, controls, surfaces, and feedback use the Studio visual language. */
:root {
  color-scheme: dark;
  --bg: #0d0e10;
  --surface: #151719;
  --surface-muted: #1d2023;
  --text: #f3f4f4;
  --muted: #8b9097;
  --line: #292c30;
  --accent: #f05252;
  --accent-dark: #d8444b;
  --success: #45b982;
  --danger: #e25555;
  --radius: 6px;
}

html {
  background: var(--bg);
}

body {
  background: var(--bg);
  color: var(--text);
}

.topbar {
  border-color: var(--line);
  background: rgba(13, 14, 16, 0.94);
}

.brand-mark {
  background: var(--text);
}

.brand-lockup > div:last-child span,
.connection-status,
.cost-estimate,
.result-detail,
.field-help,
.character-count,
.sidebar-note,
.section-heading,
.clips-heading .eyebrow,
.detail-header .eyebrow {
  color: var(--muted);
}

.icon-button,
.text-button,
.preview-action,
.toolbar-button,
.clips-back-button,
.clips-total,
.clips-search input,
.clips-select select,
.detail-edit-form input,
.detail-edit-form textarea,
.detail-edit-form select,
.overlay-publish select,
.overlay-publish input[type="text"] {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

.icon-button:hover,
.preview-action:hover,
.toolbar-button:hover,
.clips-back-button:hover,
.history-item:hover,
.management-button:hover,
.app-sidebar-nav a:hover,
.voice-item:hover,
.clip-event-item:hover,
.overlay-component-menu button:hover,
.small-toolbar-button:hover {
  border-color: var(--studio-line-strong, #3c4046);
  background: var(--surface-muted);
  color: var(--text);
}

.app-sidebar-nav a.is-active,
.clip-event-item.active {
  border-color: rgba(240, 82, 82, 0.32);
  background: rgba(240, 82, 82, 0.13);
  color: #ff6863;
}

.app-sidebar-nav,
.action-row,
.history-item,
.detail-management,
.detail-edit-form,
.overlay-settings-panel,
.overlay-manager-pane .overlay-timeline {
  border-color: var(--line);
}

.voice-sidebar,
.history-panel,
.clips-context-bar,
.clip-detail-panel,
.overlay-manager-pane,
.edit-slot,
.overlay-slot,
.overlay-output,
.segmented-control,
.dialog-actions {
  background: var(--surface);
}

.workspace,
.clips-workspace,
.edit-live-pane,
.overlays-stage {
  background: var(--bg);
}

.voice-item.active,
.edit-slot.is-filled {
  border-color: rgba(240, 82, 82, 0.48);
  background: rgba(240, 82, 82, 0.12);
}

.voice-avatar,
.clip-event-icon,
.detail-empty-icon,
.empty-wave span {
  background: var(--surface-muted);
}

.voice-delete:hover {
  border-color: rgba(226, 85, 85, 0.5);
  color: var(--danger);
}

#scriptInput,
dialog input {
  border-color: var(--line);
  background: var(--surface);
  color: var(--text);
}

#scriptInput:focus,
dialog input:focus,
.clips-search input:focus,
.clips-select select:focus,
.detail-edit-form input:focus,
.detail-edit-form textarea:focus,
.detail-edit-form select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(240, 82, 82, 0.16);
  outline: none;
}

#scriptInput::placeholder,
.clips-search input::placeholder,
.overlay-title::placeholder {
  color: #5e636b;
}

.segmented-control {
  border-color: var(--line);
}

.segmented-control button.active,
.filter-chip:hover,
.filter-chip.is-active {
  border-color: var(--line);
  background: var(--surface-muted);
  color: var(--text);
}

.primary-button,
.toolbar-button.primary {
  background: var(--accent);
  color: #fff;
}

.primary-button:hover,
.toolbar-button.primary:hover {
  background: var(--accent-dark);
}

dialog {
  border-color: var(--line);
  background: var(--surface);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.48);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.62);
}

.toast {
  background: var(--surface-muted);
  color: var(--text);
}

.clips-toolbar {
  border-color: var(--line);
  background: rgba(13, 14, 16, 0.94);
}

.clips-total,
.event-id-label,
.history-count,
.detail-tags span,
.clip-event-icon,
.event-workspace-heading b {
  background: var(--surface-muted);
  color: var(--muted);
}

.event-workspace-card,
.clip-card:hover,
.clip-card.is-current {
  border-color: var(--line);
  background: var(--surface);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
}

.event-workspace-preview {
  background: #202327;
}

.clip-thumb,
.detail-preview {
  background: #090a0b;
}

.clip-card.is-current {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(240, 82, 82, 0.18);
}

.clip-detail-panel {
  border-color: var(--line);
}

.overlay-component-menu {
  border-color: var(--line);
  background: var(--surface);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.overlays-stage {
  color: var(--text);
}

.overlay-manager-pane,
.overlay-editor-pane {
  border-color: var(--line);
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.overlay-drag-hint-bar,
.overlay-aux-card,
.overlay-slot-card,
.overlay-slot-thumb img,
.overlay-slot-thumb span {
  border-color: var(--line);
  background: var(--surface-muted);
  color: var(--muted);
}

.overlay-slot-card.is-active-item,
.overlay-slot-card.is-land-slot {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(240, 82, 82, 0.18);
}

.overlay-card-header {
  border-color: var(--line);
  background: #202327;
  color: var(--text);
}

.small-toolbar-button {
  border-color: var(--line);
  background: var(--surface-muted);
  color: var(--text);
}

.overlay-inspector-pane,
.overlay-live-pane {
  border-color: var(--line);
  background: #111315;
}

.overlay-controls-panel .overlay-knob,
.overlay-controls-panel .overlay-output,
.overlay-choice,
.overlay-slot {
  border-color: var(--line);
  background: var(--surface-muted);
  color: var(--text);
}

.overlay-choice.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.overlay-title {
  color: var(--text);
}

.overlay-phone,
.overlay-preview-phone,
.overlay-preview-viewport {
  background: #08090a;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.42);
}

.overlay-canvas {
  background-image:
    linear-gradient(45deg, #24272b 25%, transparent 25%),
    linear-gradient(-45deg, #24272b 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #24272b 75%),
    linear-gradient(-45deg, transparent 75%, #24272b 75%);
}

.timeline-track {
  background: repeating-linear-gradient(90deg, #3b3f45 0, #3b3f45 1px, transparent 1px, transparent 10%);
}

.edit-preview-frame,
.edit-preview-frame video {
  background: #090a0b;
}

.edit-slot-drop {
  background: var(--surface-muted);
  color: var(--muted);
}

.fit-chip {
  background: var(--surface) !important;
}

.fit-chip.is-active {
  border-color: var(--accent) !important;
  background: var(--accent) !important;
}

/* Small screens use document scrolling instead of clipped desktop panels. */
@media (max-width: 720px) {
  .overlays-stage { height: auto; overflow: visible; }
  .overlay-workbench-grid { flex: none; overflow: visible; }
}