:root {
  --background: oklch(0.985 0.003 250);
  --foreground: oklch(0.22 0.02 260);
  --card: oklch(1 0 0);
  --muted: oklch(0.96 0.005 250);
  --muted-foreground: oklch(0.52 0.02 260);
  --border: oklch(0.91 0.008 250);
  --brand: oklch(0.56 0.2 330);
  --brand-foreground: oklch(0.99 0 0);
  --brand-soft: oklch(0.95 0.035 330);
  --timeline: oklch(0.965 0.005 250);
  --destructive: oklch(0.58 0.22 27);
  --wave: oklch(0.56 0.2 330);
  --screen: oklch(0.05 0 0);
  --screen-text: oklch(0.99 0 0);
  --screen-box: oklch(0 0 0/0.65);
  --shadow: 0 8px 28px oklch(0 0 0/0.15);
  --font: Roboto, Arial, system-ui, sans-serif;
  --white: oklch(1 0 0);
  --yellow: oklch(0.88 0.17 90);
  --pink: oklch(0.72 0.2 350);
  --sky: oklch(0.8 0.12 220);
}
:root.dark {
  --background: oklch(0.17 0.01 260);
  --foreground: oklch(0.95 0.005 250);
  --card: oklch(0.21 0.012 260);
  --muted: oklch(0.26 0.012 260);
  --muted-foreground: oklch(0.7 0.015 260);
  --border: oklch(1 0 0/0.12);
  --brand: oklch(0.62 0.19 330);
  --brand-soft: oklch(0.32 0.07 330);
  --timeline: oklch(0.22 0.012 260);
  --wave: oklch(0.75 0.12 200);
}
* {
  box-sizing: border-box;
  border-color: var(--border);
  letter-spacing: 0;
}
body {
  margin: 0;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  font: 14px var(--font);
  background: var(--background);
  color: var(--foreground);
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  min-height: 36px;
  padding: 7px 12px;
}
button:hover {
  background: var(--muted);
}
button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
button.primary {
  background: var(--brand);
  color: var(--brand-foreground);
  border-color: var(--brand);
}
button.icon {
  width: 36px;
  min-width: 36px;
  font-size: 20px;
  padding: 4px;
}
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
.push {
  margin-left: auto;
}
.danger {
  color: var(--destructive);
}
header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
}
.identity {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
  width: 100%;
}
.identity-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.brand-mark {
  color: var(--brand);
  font-size: 30px;
}
.brand-mark.large {
  display: block;
  font-size: 60px;
}
#project-title {
  border: none;
  background: transparent;
  font-size: 18px;
  font-weight: 500;
  max-width: 360px;
  width: 45%;
  min-width: 0;
}
#save-status {
  color: var(--muted-foreground);
  font-size: 12px;
}
header nav,
footer,
.row {
  display: flex;
  align-items: center;
  gap: 8px;
}
header nav {
  overflow-x: auto;
}
footer {
  padding: 8px 12px;
  background: var(--card);
  border-top: 1px solid var(--border);
  overflow-x: auto;
  flex-shrink: 0;
}
.divider {
  width: 1px;
  height: 25px;
  background: var(--border);
  flex-shrink: 0;
}
.timebar {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  padding: 8px 16px;
  background: var(--card);
  font-size: 12px;
}
.timebar output {
  font: 500 14px monospace;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
}
.timebar span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted-foreground);
}
main {
  flex: 1;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--timeline);
  padding: 12px;
  overflow: hidden;
  container-type: size;
}
#preview-wrap {
  position: relative;
  aspect-ratio: 16/9;
  width: min(100cqw, 177.777cqh, 960px);
  height: auto;
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--screen);
}
#preview {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
#empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: var(--card);
  text-align: center;
}
#empty[hidden] {
  display: none;
}
h1 {
  font-size: 22px;
  margin: 10px 0 20px;
}
h2 {
  font-size: 18px;
  margin: 0;
}
h3 {
  font-size: 15px;
  margin: 10px 0;
}
#teleprompter {
  position: absolute;
  inset: 12px 12px auto;
  background: var(--screen-box);
  color: var(--screen-text);
  padding: 12px;
  text-align: center;
  white-space: pre-wrap;
  max-height: 120px;
  overflow: auto;
}
#timeline {
  border-top: 1px solid var(--border);
  background: var(--card);
  flex-shrink: 0;
}
#timeline-scroll {
  overflow-x: auto;
}
#timeline-inner {
  position: relative;
  min-width: 100%;
  padding: 0 16px 8px;
}
#ruler {
  height: 24px;
  position: relative;
  cursor: crosshair;
  font: 10px monospace;
  color: var(--muted-foreground);
}
.tick {
  position: absolute;
  top: 0;
  bottom: 0;
  padding-top: 4px;
  border-left: 1px solid var(--border);
  padding-left: 4px;
}
.track {
  height: 32px;
  position: relative;
  margin-bottom: 4px;
  background: var(--timeline);
  border-radius: 6px;
}
.track.clips {
  height: 58px;
  background: transparent;
}
.track.voice {
  height: 54px;
}
.track .track-add {
  height: 100%;
  border: 0;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 12px;
}
.block {
  position: absolute;
  top: 2px;
  bottom: 2px;
  border-radius: 6px;
  border: 2px solid var(--border);
  overflow: hidden;
  min-height: 0;
  padding: 0;
  justify-content: flex-start;
  font-size: 10px;
}
.block.selected {
  border-color: var(--brand);
  outline: 2px solid var(--brand);
}
.block img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.block .block-label {
  z-index: 1;
  position: relative;
  align-self: flex-end;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
  background: var(--screen-box);
  color: var(--screen-text);
  padding: 3px 5px;
}
.block.text {
  background: var(--brand);
  color: var(--brand-foreground);
}
.block.subtitle {
  background: var(--brand-soft);
  color: var(--brand);
}
.block.voice {
  background: var(--brand-soft);
  color: var(--wave);
}
.block.voice .block-label {
  background: var(--brand-soft);
  color: var(--brand);
  align-self: flex-start;
  margin-left: 22px;
}
.wave {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--wave);
}
.solo {
  position: absolute;
  left: 4px;
  top: 4px;
  z-index: 2;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  background: var(--brand);
  color: var(--brand-foreground);
  border-radius: 50%;
  font-size: 11px;
}
#playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--destructive);
  pointer-events: none;
}
#editor {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  max-height: 32vh;
  overflow-y: auto;
  flex-shrink: 0;
}
.editor-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.editor-head button {
  margin-left: auto;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12px;
  color: var(--muted-foreground);
}
input:not([type="file"]),
select,
textarea {
  border: 1px solid var(--border);
  background: var(--background);
  border-radius: 6px;
  padding: 8px;
  color: var(--foreground);
  min-width: 0;
  width: 100%;
}
input[type="range"] {
  padding: 0;
  accent-color: var(--brand);
}
input[type="checkbox"] {
  width: auto;
}
textarea {
  resize: vertical;
}
#editor textarea {
  margin-bottom: 8px;
}
.row {
  flex-wrap: wrap;
  margin-top: 10px;
}
.row label {
  display: flex;
  align-items: center;
  gap: 6px;
}
.muted {
  color: var(--muted-foreground);
  font-size: 12px;
}
.swatch {
  width: 28px;
  min-height: 28px;
  padding: 0;
  border-radius: 50%;
}
.swatch.selected {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
.swatch[data-color="white"] {
  background: var(--white);
}
.swatch[data-color="yellow"] {
  background: var(--yellow);
}
.swatch[data-color="pink"] {
  background: var(--pink);
}
.swatch[data-color="sky"] {
  background: var(--sky);
}
.swatch[data-color="black"] {
  background: var(--screen);
}
dialog {
  width: min(860px, calc(100% - 24px));
  max-height: 85dvh;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--foreground);
  padding: 18px;
  box-shadow: var(--shadow);
}
dialog::backdrop {
  background: var(--screen-box);
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  margin-bottom: 16px;
}
.tabs button.active {
  background: var(--brand-soft);
  color: var(--brand);
  border-color: var(--brand);
}
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 12px;
}
.library-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--card);
}
.thumbnail {
  position: relative;
  aspect-ratio: 16/9;
  background: var(--muted);
}
.thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumbnail span {
  position: absolute;
  bottom: 5px;
  right: 5px;
  background: var(--screen-box);
  color: var(--screen-text);
  font: 11px monospace;
  padding: 3px 5px;
  border-radius: 3px;
}
.card-body {
  padding: 10px;
}
.card-title {
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 5px;
}
.card-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}
.card-actions button {
  font-size: 12px;
  min-height: 30px;
  padding: 4px 8px;
}
.builder-item {
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}
.builder-item .grid {
  grid-template-columns: repeat(auto-fit, minmax(125px, 1fr));
}
progress {
  width: 100%;
  accent-color: var(--brand);
  margin: 15px 0;
}
#toast {
  position: fixed;
  bottom: 72px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--foreground);
  color: var(--background);
  padding: 10px 16px;
  z-index: 100;
  border-radius: 8px;
  max-width: 90%;
  box-shadow: var(--shadow);
}
#tip {
  padding: 10px 16px;
  background: var(--brand-soft);
  border-bottom: 1px solid var(--border);
}
@media (max-width: 600px) {
  header {
    padding: 8px;
  }
  .identity {
    gap: 8px;
  }
  #project-title {
    flex: 1;
    width: 100%;
    font-size: 16px;
  }
  #save-status {
    display: none;
  }
  footer {
    gap: 5px;
    padding: 6px;
  }
  .library-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid {
    grid-template-columns: 1fr 1fr;
  }
  .row {
    gap: 6px;
  }
  main {
    padding: 8px;
  }
  dialog {
    padding: 12px;
  }
  .card-actions {
    flex-wrap: wrap;
  }
  #editor {
    max-height: 30vh;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}


/* =========================================================
   Infinity Office Suite Integration: Menus, Modals & i18n
   ========================================================= */
:root {
  --primary-color: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  --bg-surface: var(--card);
  --bg-app: var(--background);
  --bg-subtle: var(--muted);
  --bg-hover: oklch(0.92 0.01 250);
  --text-main: var(--foreground);
  --text-muted: var(--muted-foreground);
  --border-color: var(--border);
}
:root.dark {
  --primary-color: #38bdf8;
  --primary-hover: #0284c7;
  --primary-light: rgba(56, 189, 248, 0.15);
  --bg-hover: oklch(0.28 0.012 260);
}

.menu-bar, .menubar {
  overflow: visible !important;
  height: 28px;
  background-color: var(--card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 2px;
  font-size: 0.82rem;
  position: relative;
  z-index: 500;
  flex-shrink: 0;
}

.menu-item {
  position: relative;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--foreground);
  font-weight: 500;
  user-select: none;
  transition: background-color 0.12s ease;
}
.menu-item:hover, .menu-item.active {
  background-color: var(--bg-hover);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.15);
  min-width: 260px;
  padding: 6px;
  z-index: 600;
  backdrop-filter: blur(8px);
}
.menu-item.active > .dropdown-menu {
  display: block !important;
}

.dropdown-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 8px 12px;
  background: none;
  border: none;
  border-radius: 6px;
  text-align: left;
  font-size: 0.83rem;
  color: var(--foreground);
  cursor: pointer;
  gap: 12px;
  transition: all 0.12s ease;
  user-select: none;
  font-weight: 500;
}
.dropdown-item i {
  width: 18px;
  text-align: center;
  color: var(--primary-color, #0284c7);
  flex-shrink: 0;
  font-size: 14px;
  opacity: 0.9;
  transition: transform 0.12s ease;
}
.dropdown-item:hover {
  background-color: var(--primary-light, rgba(2, 132, 199, 0.1));
  color: var(--primary-color, #0284c7);
}
.dropdown-item:hover i {
  color: var(--primary-color, #0284c7);
  transform: scale(1.1);
  opacity: 1;
}
.dropdown-item .shortcut,
.dropdown-item .menu-shortcut {
  margin-left: auto;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--muted);
  border: 1px solid var(--border);
  font-size: 0.7rem;
  color: var(--muted-foreground);
  direction: ltr;
  unicode-bidi: isolate;
  display: inline-block;
  white-space: nowrap;
  flex-shrink: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
.dropdown-item:hover .shortcut,
.dropdown-item:hover .menu-shortcut {
  border-color: var(--primary-color, #0284c7);
  color: var(--primary-color, #0284c7);
}
.dropdown-menu hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 5px 4px;
}

.dropdown-submenu-item {
  position: relative;
  width: 100%;
}
.dropdown-submenu-item:hover > .submenu-flyout {
  display: block !important;
}
.submenu-flyout {
  display: none;
  position: absolute;
  top: -4px;
  left: 100%;
  margin-left: 2px;
}
.submenu-arrow {
  margin-left: auto;
  font-size: 10px;
  color: var(--muted-foreground);
}

/* Modals */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  backdrop-filter: blur(4px);
}
.modal-card {
  background: var(--card);
  border-radius: 10px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  width: 90%;
  max-width: 520px;
  overflow: hidden;
  animation: modalIn 0.15s ease-out;
}
.modal-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-title {
  font-size: 0.95rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.modal-close {
  background: transparent;
  border: none;
  font-size: 1.2rem;
  color: var(--muted-foreground);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}
.modal-close:hover {
  color: var(--foreground);
}
.shortcuts-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 400px;
  overflow-y: auto;
  padding: 12px 16px;
}
.shortcut-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 0.85rem;
}
.shortcut-row:nth-child(odd) {
  background: var(--muted);
}
.shortcut-key {
  font-family: monospace;
  font-size: 0.78rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-weight: 600;
}

/* PWA Install Button */
.btn-pwa-install {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--primary-light, #e0f2fe);
  color: var(--primary-color, #0284c7);
  border: 1px solid var(--primary-color, #0284c7);
  padding: 5px 11px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  margin-right: 6px;
}
.btn-pwa-install:hover {
  background-color: var(--primary-color, #0284c7);
  color: #ffffff;
  transform: translateY(-1px);
}
[data-theme="dark"] .btn-pwa-install,
.dark .btn-pwa-install {
  background-color: rgba(2, 132, 199, 0.2);
  color: #38bdf8;
  border-color: #0284c7;
}
[data-theme="dark"] .btn-pwa-install:hover,
.dark .btn-pwa-install:hover {
  background-color: #0284c7;
  color: #ffffff;
}
[data-pwa-installed="true"] .btn-pwa-install {
  display: none !important;
}

.btn-lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--card);
  color: var(--foreground);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.btn-lang-toggle:hover {
  background-color: var(--muted);
  border-color: var(--border);
}

/* Video Studio Buttons & Tooltip styling */
button[title] {
  position: relative;
}


/* ========================================================
   Timeline Track Controls, Drag & Drop, and Layer Styling
   ======================================================== */
.track-row {
  display: flex;
  align-items: stretch;
  margin-bottom: 4px;
}

.track-row.hidden-layer {
  display: none !important;
}

.track-header-cell {
  width: 140px;
  min-width: 140px;
  padding: 4px 8px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px 0 0 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--foreground);
  user-select: none;
}

.track-lane-cell {
  flex: 1;
  position: relative;
  border-radius: 0 6px 6px 0;
  border: 1px solid var(--border);
  border-left: none;
}

.track-row .track {
  margin-bottom: 0;
  border-radius: 0 6px 6px 0;
}

.track-btn-icon {
  background: transparent;
  border: none;
  color: var(--muted-foreground);
  font-size: 11px;
  padding: 2px 4px;
  cursor: pointer;
  border-radius: 4px;
  line-height: 1;
}

.track-btn-icon:hover {
  background: var(--muted);
  color: var(--foreground);
}

.block {
  touch-action: none;
  cursor: grab;
}

.block.dragging {
  cursor: grabbing !important;
  opacity: 0.82;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  z-index: 50 !important;
}

.layer-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
  cursor: pointer;
}
.layer-toggle-btn.layer-active {
  background: var(--brand);
  color: var(--brand-foreground);
  border-color: var(--brand);
}

.layer-modal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 10px 0;
}

.layer-modal-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--muted);
  border: 1px solid var(--border);
  border-radius: 8px;
}


/* ========================================================
   Enhanced Video Studio UI: Track Headers & Badges
   ======================================================== */
.track {
  position: relative;
  transition: all 0.15s ease;
  border: 1px solid var(--border);
}
.track:hover {
  border-color: var(--primary-color, #0284c7);
}

.track::before {
  content: attr(data-layer-label);
  position: sticky;
  left: 6px;
  top: 4px;
  z-index: 10;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--card);
  color: var(--foreground);
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  pointer-events: none;
  display: inline-block;
  opacity: 0.85;
}

.track.clips::before {
  border-left: 3px solid #0284c7;
}
.track#text-track::before {
  border-left: 3px solid #8b5cf6;
}
.track#subtitle-track::before {
  border-left: 3px solid #10b981;
}
.track.voice::before {
  border-left: 3px solid #f59e0b;
}

.track .track-add {
  margin-left: 100px;
  padding: 4px 12px;
  border-radius: 4px;
  background: var(--card);
  border: 1px dashed var(--border);
  color: var(--primary-color, #0284c7);
  font-weight: 500;
  cursor: pointer;
}
.track .track-add:hover {
  background: var(--muted);
  border-color: var(--primary-color, #0284c7);
}

/* Suite Language Toggle Button */
.btn-lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.btn-lang-toggle:hover {
  background: var(--muted);
  border-color: var(--primary-color, #0284c7);
  color: var(--primary-color, #0284c7);
}
.btn-lang-toggle i {
  font-size: 14px;
}

.layer-add-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  background: var(--muted);
  border-radius: 8px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
}
.layer-add-actions strong {
  width: 100%;
  font-size: 0.85rem;
  margin-bottom: 4px;
}



/* ========================================================
   CapCut Studio Interface & Timeline Styling
   ======================================================== */

/* Light Theme Variables (Default / Light Mode) */
:root {
  --capcut-bg: #f3f4f6;
  --capcut-panel: #ffffff;
  --capcut-subpanel: #f8fafc;
  --capcut-card: #f1f5f9;
  --capcut-card-hover: #e2e8f0;
  --capcut-tab-bar-bg: #e5e7eb;
  --capcut-preview-bg: #0f172a;
  --capcut-empty-bg: #ffffff;
  --capcut-border: rgba(0, 0, 0, 0.1);
  --capcut-border-strong: rgba(0, 0, 0, 0.2);
  --capcut-cyan: #0284c7;
  --capcut-blue: #0284c7;
  --capcut-accent: #0284c7;
  --capcut-accent-glow: rgba(2, 132, 199, 0.25);
  --capcut-text: #1e293b;
  --capcut-text-bright: #0f172a;
  --capcut-text-muted: #64748b;
  --capcut-text-dim: #94a3b8;
  --capcut-track-bg: #f8fafc;
  --capcut-track-border: #e2e8f0;
  --capcut-video-block: #0284c7;
  --capcut-video-border: #0369a1;
  --capcut-audio-block: #0d9488;
  --capcut-audio-border: #0f766e;
  --capcut-text-block: #7c3aed;
  --capcut-text-border: #6d28d9;
  --capcut-sub-block: #4338ca;
  --capcut-sub-border: #3730a3;
}

/* Dark Theme Variables (Dark Mode) */
:root.dark,
[data-theme="dark"] {
  --capcut-bg: #111215;
  --capcut-panel: #18191c;
  --capcut-subpanel: #202126;
  --capcut-card: #282a30;
  --capcut-card-hover: #32353d;
  --capcut-tab-bar-bg: #141417;
  --capcut-preview-bg: #0a0a0c;
  --capcut-empty-bg: #111215;
  --capcut-border: rgba(255, 255, 255, 0.08);
  --capcut-border-strong: rgba(255, 255, 255, 0.16);
  --capcut-cyan: #00f2fe;
  --capcut-blue: #00c6ff;
  --capcut-accent: #00f2fe;
  --capcut-accent-glow: rgba(0, 242, 254, 0.35);
  --capcut-text: #f3f4f6;
  --capcut-text-bright: #ffffff;
  --capcut-text-muted: #9ca3af;
  --capcut-text-dim: #6b7280;
  --capcut-track-bg: #17181c;
  --capcut-track-border: #24252a;
  --capcut-video-block: #1e3a5f;
  --capcut-video-border: #38bdf8;
  --capcut-audio-block: #064e3b;
  --capcut-audio-border: #10b981;
  --capcut-text-block: #581c87;
  --capcut-text-border: #c084fc;
  --capcut-sub-block: #312e81;
  --capcut-sub-border: #818cf8;
}


/* Base Body Dark Mode for Studio Feel */
body {
  background: var(--capcut-bg) !important;
  color: var(--capcut-text) !important;
  overflow: hidden;
  user-select: none;
}

header {
  background: var(--capcut-panel) !important;
  border-bottom: 1px solid var(--capcut-border) !important;
  padding: 8px 16px !important;
}
header .identity #project-title {
  color: var(--capcut-text-bright) !important;
  font-weight: 600;
}
header button {
  background: var(--capcut-subpanel) !important;
  border-color: var(--capcut-border) !important;
  color: var(--capcut-text) !important;
  border-radius: 6px !important;
}
header button.infinity-account-btn,
header button.inf-apps-launcher-btn,
header button.infinity-dropdown-item {
  background: inherit;
  border-color: initial;
  color: inherit;
  border-radius: initial;
}
header button:hover {
  background: var(--capcut-card-hover) !important;
  border-color: var(--capcut-border-strong) !important;
}
header button.primary {
  background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%) !important;
  border: none !important;
  color: #fff !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 10px rgba(0, 198, 255, 0.35) !important;
}

.menu-bar, .menubar {
  background: var(--capcut-panel) !important;
  border-bottom: 1px solid var(--capcut-border) !important;
  color: var(--capcut-text-muted) !important;
}
.menu-item {
  color: var(--capcut-text-muted) !important;
}
.menu-item:hover, .menu-item.active {
  background-color: var(--capcut-subpanel) !important;
  color: var(--capcut-text-bright) !important;
}

/* ========================================================
   Workspace 3-Column Layout: Left Tabs | Preview | Inspector
   ======================================================== */
.capcut-workspace {
  display: flex;
  flex: 1;
  min-height: 0;
  height: calc(100vh - 350px);
  background: var(--capcut-bg);
  position: relative;
  overflow: hidden;
}

/* Left Sidebar */
.capcut-asset-sidebar {
  width: 320px;
  min-width: 260px;
  max-width: 420px;
  display: flex;
  background: var(--capcut-panel);
  border-right: 1px solid var(--capcut-border);
  z-index: 20;
}
.capcut-nav-tabs {
  width: 58px;
  min-width: 58px;
  background: var(--capcut-tab-bar-bg);
  border-right: 1px solid var(--capcut-border);
  display: flex;
  flex-direction: column;
  padding: 8px 0;
  gap: 4px;
}
.capcut-nav-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 10px 4px;
  background: transparent !important;
  border: none !important;
  border-left: 2px solid transparent !important;
  border-radius: 0 !important;
  color: var(--capcut-text-muted) !important;
  font-size: 10px !important;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 52px !important;
}
.capcut-nav-tab i {
  font-size: 16px;
  transition: transform 0.15s ease;
}
.capcut-nav-tab:hover {
  color: var(--capcut-text-bright) !important;
}
.capcut-nav-tab.active {
  color: var(--capcut-cyan) !important;
  border-left-color: var(--capcut-cyan) !important;
  background: rgba(0, 242, 254, 0.06) !important;
}
.capcut-nav-tab.active i {
  transform: scale(1.1);
}

.capcut-asset-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 12px;
}
.capcut-tab-pane {
  display: none;
  flex-direction: column;
  gap: 12px;
}
.capcut-tab-pane.active {
  display: flex;
}
.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--capcut-border);
}
.pane-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--capcut-text-bright);
  display: flex;
  align-items: center;
  gap: 7px;
}
.pane-btn-sm {
  background: var(--capcut-subpanel) !important;
  border: 1px solid var(--capcut-border) !important;
  color: var(--capcut-text-muted) !important;
  font-size: 11px !important;
  padding: 3px 8px !important;
  min-height: 24px !important;
  border-radius: 4px !important;
}
.pane-btn-sm:hover {
  color: var(--capcut-text-bright) !important;
  border-color: var(--capcut-border-strong) !important;
}
.pane-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--capcut-text-dim);
  margin-top: 6px;
}
.capcut-import-zone {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  background: var(--capcut-subpanel);
  border: 1px dashed var(--capcut-border-strong);
  border-radius: 8px;
  text-align: center;
}
.capcut-import-btn {
  width: 100%;
  font-weight: 600 !important;
  padding: 9px 12px !important;
  border-radius: 6px !important;
}
.capcut-import-btn.primary {
  background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%) !important;
  border: none !important;
  color: #fff !important;
}
.import-tip {
  font-size: 11px;
  color: var(--capcut-text-dim);
  margin: 4px 0 0;
  line-height: 1.4;
}
.capcut-quick-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.capcut-quick-buttons.vertical {
  grid-template-columns: 1fr;
}
.capcut-action-btn {
  background: var(--capcut-subpanel) !important;
  border: 1px solid var(--capcut-border) !important;
  color: var(--capcut-text) !important;
  font-size: 11px !important;
  padding: 8px !important;
  border-radius: 6px !important;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
}
.capcut-action-btn:hover {
  background: var(--capcut-card-hover) !important;
  border-color: var(--capcut-cyan) !important;
  color: var(--capcut-text-bright) !important;
}

/* Center Video Preview Area */
.capcut-preview-area {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--capcut-preview-bg) !important;
  padding: 16px;
  position: relative;
  overflow: hidden;
}
#preview-wrap {
  position: relative;
  aspect-ratio: 16/9;
  width: auto;
  height: min(100%, calc(100cqh - 32px), 520px);
  max-width: 100%;
  max-height: 100%;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
#preview {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
#empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: var(--capcut-empty-bg);
  color: var(--capcut-text-bright);
  text-align: center;
}
#empty .brand-mark.large {
  font-size: 42px;
  color: var(--capcut-cyan);
  margin-bottom: 8px;
}
.capcut-cta-btn {
  background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%) !important;
  color: #fff !important;
  border: none !important;
  font-weight: 600 !important;
  padding: 8px 18px !important;
  border-radius: 6px !important;
  box-shadow: 0 4px 14px rgba(0, 198, 255, 0.4) !important;
}

/* Right Inspector Panel */
.capcut-inspector-panel {
  width: 320px;
  min-width: 280px;
  max-width: 380px;
  background: var(--capcut-panel);
  border-left: 1px solid var(--capcut-border);
  display: flex;
  flex-direction: column;
  z-index: 20;
  transition: width 0.2s ease;
}
.capcut-inspector-panel.collapsed {
  width: 0 !important;
  min-width: 0 !important;
  overflow: hidden;
  border-left: none;
}
.inspector-header {
  height: 38px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--capcut-border);
  background: var(--capcut-subpanel);
}
.inspector-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--capcut-text-bright);
  display: flex;
  align-items: center;
  gap: 6px;
}
.inspector-close {
  background: transparent !important;
  border: none !important;
  color: var(--capcut-text-muted) !important;
  cursor: pointer;
  padding: 4px !important;
  min-height: auto !important;
}
.inspector-close:hover {
  color: var(--capcut-text-bright) !important;
}
#editor {
  flex: 1;
  overflow-y: auto;
  padding: 12px 14px !important;
  background: var(--capcut-panel) !important;
  border: none !important;
  max-height: none !important;
}
.editor-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: var(--capcut-text-dim);
  padding: 24px;
}
.editor-placeholder i {
  font-size: 32px;
  margin-bottom: 12px;
  opacity: 0.5;
}
.editor-placeholder p {
  font-size: 12px;
  line-height: 1.5;
  margin: 0;
}
#editor .editor-head h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--capcut-text-bright);
}
#editor input:not([type="file"]),
#editor select,
#editor textarea {
  background: var(--capcut-subpanel) !important;
  border-color: var(--capcut-border) !important;
  color: var(--capcut-text-bright) !important;
  border-radius: 6px !important;
}
#editor input:focus,
#editor select:focus,
#editor textarea:focus {
  border-color: var(--capcut-cyan) !important;
  box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.2) !important;
}

/* ========================================================
   CapCut Signature Dark Timeline Section
   ======================================================== */
.capcut-timeline-container {
  display: flex;
  flex-direction: column;
  height: 290px;
  min-height: 240px;
  max-height: 45vh;
  background: var(--capcut-bg);
  border-top: 1px solid var(--capcut-border);
  position: relative;
  z-index: 10;
  user-select: none;
}

/* Timeline Toolbar */
.capcut-timeline-toolbar {
  height: 42px;
  min-height: 42px;
  background: var(--capcut-panel);
  border-bottom: 1px solid var(--capcut-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  gap: 8px;
}
.capcut-tl-tools-left,
.capcut-tl-tools-right {
  display: flex;
  align-items: center;
  gap: 4px;
}
.capcut-tl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px !important;
  min-height: 28px !important;
  font-size: 11px !important;
  font-weight: 500 !important;
  background: transparent !important;
  border: 1px solid transparent !important;
  border-radius: 4px !important;
  color: var(--capcut-text-muted) !important;
  cursor: pointer;
  transition: all 0.12s ease;
}
.capcut-tl-btn i {
  font-size: 13px;
}
.capcut-tl-btn:hover {
  background: var(--capcut-subpanel) !important;
  color: var(--capcut-text-bright) !important;
  border-color: var(--capcut-border) !important;
}
.capcut-tl-btn.highlight-hover:hover {
  color: var(--capcut-cyan) !important;
  background: rgba(0, 242, 254, 0.08) !important;
  border-color: rgba(0, 242, 254, 0.3) !important;
}
.capcut-tl-btn.danger-hover:hover {
  color: #f87171 !important;
  background: rgba(248, 113, 113, 0.1) !important;
  border-color: rgba(248, 113, 113, 0.3) !important;
}
.capcut-tl-btn .btn-label {
  font-size: 11px;
}
.capcut-tl-separator {
  width: 1px;
  height: 18px;
  background: var(--capcut-border);
  margin: 0 4px;
}

/* Center Transport Controls */
.capcut-tl-transport {
  display: flex;
  align-items: center;
  gap: 8px;
}
.capcut-transport-btn {
  width: 30px;
  height: 30px;
  min-height: 30px !important;
  padding: 0 !important;
  display: grid;
  place-items: center;
  border-radius: 50% !important;
  background: var(--capcut-subpanel) !important;
  border: 1px solid var(--capcut-border) !important;
  color: var(--capcut-text-bright) !important;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.capcut-transport-btn:hover {
  background: var(--capcut-card-hover) !important;
  border-color: var(--capcut-cyan) !important;
  transform: scale(1.06);
}
.capcut-transport-btn.capcut-play-main {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #00f2fe 0%, #0072ff 100%) !important;
  border: none !important;
  color: #000 !important;
  font-size: 13px;
  box-shadow: 0 2px 10px rgba(0, 242, 254, 0.4);
}
.capcut-transport-btn.capcut-play-main:hover {
  filter: brightness(1.1);
  transform: scale(1.08);
}
.capcut-timecode-display {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  background: var(--capcut-bg);
  border: 1px solid var(--capcut-border);
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  margin-left: 6px;
}
.capcut-time-current {
  color: var(--capcut-cyan);
  font-weight: 700;
}
.capcut-time-slash {
  color: var(--capcut-text-dim);
}
.capcut-time-total {
  color: var(--capcut-text-muted);
}

/* Zoom Range Slider */
.capcut-zoom-range-wrap {
  width: 70px;
  display: flex;
  align-items: center;
}
.capcut-zoom-range-wrap input[type="range"] {
  width: 100%;
  height: 4px;
  background: var(--capcut-card) !important;
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  accent-color: var(--capcut-cyan);
}

/* Timeline Body (Headers + Canvas) */
.capcut-timeline-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

/* Sticky Left Track Headers */
.capcut-track-headers {
  width: 140px;
  min-width: 140px;
  background: var(--capcut-panel);
  border-right: 1px solid var(--capcut-border);
  display: flex;
  flex-direction: column;
  z-index: 15;
}
.capcut-header-ruler-space {
  height: 28px;
  border-bottom: 1px solid var(--capcut-border);
  display: flex;
  align-items: center;
  padding: 0 10px;
  background: var(--capcut-panel);
}
.timeline-status-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--capcut-text-dim);
  display: flex;
  align-items: center;
  gap: 4px;
}
.capcut-track-header-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 8px;
  border-bottom: 1px solid var(--capcut-track-border);
  box-sizing: border-box;
}
.capcut-track-header-item.track-hdr-clips {
  height: 64px;
}
.capcut-track-header-item.track-hdr-texts {
  height: 38px;
}
.capcut-track-header-item.track-hdr-subs {
  height: 38px;
}
.capcut-track-header-item.track-hdr-stickers {
  height: 38px;
}
.capcut-track-header-item.track-hdr-pips {
  height: 48px;
}
.capcut-track-header-item.track-hdr-voices {
  height: 56px;
}
.th-info {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
}
.th-icon {
  font-size: 11px;
}
.th-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--capcut-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.text-cyan { color: #38bdf8 !important; }
.text-purple { color: #c084fc !important; }
.text-green { color: #34d399 !important; }
.text-amber { color: #fbbf24 !important; }
.text-pink { color: #f472b6 !important; }
.text-blue { color: #60a5fa !important; }

.th-controls {
  display: flex;
  align-items: center;
  gap: 2px;
}
.th-action-btn {
  background: transparent !important;
  border: none !important;
  color: var(--capcut-text-dim) !important;
  font-size: 10px !important;
  padding: 3px !important;
  min-height: auto !important;
  cursor: pointer;
  border-radius: 3px !important;
}
.th-action-btn:hover {
  color: var(--capcut-text-bright) !important;
  background: rgba(255, 255, 255, 0.08) !important;
}
.th-action-btn.active-muted {
  color: #f87171 !important;
}
.th-action-btn.active-hidden {
  color: #f87171 !important;
  opacity: 0.6;
}

/* Timeline Scroll & Inner Canvas */
.capcut-timeline-scroll {
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  position: relative;
  background: var(--capcut-bg);
}
.capcut-timeline-inner {
  position: relative;
  min-width: 100%;
  height: 100%;
  padding-bottom: 20px;
}

/* CapCut Ruler Styling */
.capcut-ruler {
  height: 28px;
  position: relative;
  cursor: pointer;
  background: var(--capcut-subpanel);
  border-bottom: 1px solid var(--capcut-border);
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 10px;
  color: var(--capcut-text-dim);
}
.capcut-ruler .tick {
  position: absolute;
  top: 0;
  bottom: 0;
  padding-top: 4px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
  padding-left: 4px;
  pointer-events: none;
}

/* CapCut Individual Tracks */
.capcut-track {
  position: relative;
  margin-bottom: 0 !important;
  background: var(--capcut-track-bg) !important;
  border-bottom: 1px solid var(--capcut-track-border) !important;
  border-radius: 0 !important;
  border-left: none !important;
  border-right: none !important;
  border-top: none !important;
}
.capcut-track:hover {
  background: var(--capcut-card-hover) !important;
}
.capcut-track::before {
  display: none !important; /* Hide old sticky label in favour of CapCut left column headers */
}
.capcut-track.clips {
  height: 64px !important;
}
.capcut-track#text-track {
  height: 38px !important;
}
.capcut-track#subtitle-track {
  height: 38px !important;
}
.capcut-track#sticker-track {
  height: 38px !important;
}
.capcut-track#pip-track {
  height: 48px !important;
}
.capcut-track.voice {
  height: 56px !important;
}

/* CapCut Track Empty Add Button */
.capcut-track .track-add {
  height: 100%;
  border: 1px dashed rgba(255, 255, 255, 0.12) !important;
  background: rgba(255, 255, 255, 0.02) !important;
  color: var(--capcut-text-dim) !important;
  font-size: 11px !important;
  font-weight: 500 !important;
  margin-left: 16px !important;
  border-radius: 4px !important;
  padding: 4px 12px !important;
}
.capcut-track .track-add:hover {
  background: rgba(0, 242, 254, 0.06) !important;
  border-color: var(--capcut-cyan) !important;
  color: var(--capcut-cyan) !important;
}

/* CapCut Media Clips / Blocks */
.capcut-track .block {
  position: absolute;
  top: 3px;
  bottom: 3px;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15) !important;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  cursor: grab;
}
.capcut-track .block:hover {
  border-color: rgba(255, 255, 255, 0.4) !important;
}
.capcut-track .block.selected {
  border: 2px solid #fff !important;
  box-shadow: 0 0 0 2px var(--capcut-cyan), 0 4px 12px rgba(0, 242, 254, 0.4) !important;
  outline: none !important;
  z-index: 10;
}
.capcut-track .block.dragging {
  cursor: grabbing !important;
  opacity: 0.88;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6) !important;
  z-index: 50 !important;
}

/* Video Clip Styling (Thumbnails filmstrip feel) */
.capcut-track .block.clip {
  background: #1e293b;
  border-color: #38bdf8 !important;
}
.capcut-track .block.clip.selected {
  border-color: #fff !important;
}
.capcut-track .block.clip img {
  opacity: 0.85;
  filter: contrast(1.05);
}

/* Text Overlay Block Styling */
.capcut-track .block.text {
  background: linear-gradient(135deg, #6b21a8 0%, #4c1d95 100%) !important;
  border-color: #c084fc !important;
  color: #fff !important;
}

/* Subtitle Block Styling */
.capcut-track .block.subtitle {
  background: linear-gradient(135deg, #1e3a8a 0%, #312e81 100%) !important;
  border-color: #818cf8 !important;
  color: #e0e7ff !important;
}

/* Sticker Block Styling */
.capcut-track .block.sticker {
  background: linear-gradient(135deg, #831843 0%, #be185d 100%) !important;
  border-color: #f472b6 !important;
  color: #fff !important;
}

/* PiP Block Styling */
.capcut-track .block.pip {
  background: linear-gradient(135deg, #1e3a5f 0%, #1e40af 100%) !important;
  border-color: #60a5fa !important;
  color: #eff6ff !important;
}

/* Audio Track Block Styling */
.capcut-track .block.voice {
  background: linear-gradient(135deg, #064e3b 0%, #065f46 100%) !important;
  border-color: #34d399 !important;
  color: #a7f3d0 !important;
}
.capcut-track .block.voice .wave {
  color: #34d399 !important;
  opacity: 0.85;
}
.capcut-track .block.voice .solo {
  background: rgba(0, 0, 0, 0.6) !important;
  border: 1px solid #34d399 !important;
  color: #34d399 !important;
}
.capcut-track .block.voice .solo:hover {
  background: #34d399 !important;
  color: #000 !important;
}

/* CapCut Label on Block */
.capcut-track .block .block-label {
  background: rgba(0, 0, 0, 0.72) !important;
  backdrop-filter: blur(4px);
  color: #fff !important;
  font-size: 10px;
  font-weight: 600;
  border-radius: 3px;
  padding: 2px 6px !important;
  margin: 3px;
}

/* CapCut Playhead: Needle with Diamond Cap */
.capcut-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  pointer-events: none;
  z-index: 100;
  transform: translateX(-50%);
}
.capcut-playhead-cap {
  width: 13px;
  height: 18px;
  background: #fff;
  clip-path: polygon(0% 0%, 100% 0%, 100% 65%, 50% 100%, 0% 65%);
  margin-left: -6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
  border-top-left-radius: 2px;
  border-top-right-radius: 2px;
}
.capcut-playhead-line {
  position: absolute;
  top: 17px;
  bottom: 0;
  left: 0;
  width: 2px;
  background: #ffffff;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.8), 0 0 12px rgba(0, 242, 254, 0.5);
  margin-left: -1px;
}

/* Responsive adjustment */
@media (max-width: 900px) {
  .capcut-workspace {
    flex-direction: column;
    height: auto;
  }
  .capcut-asset-sidebar {
    width: 100%;
    max-width: 100%;
    height: 140px;
  }
  .capcut-inspector-panel {
    width: 100%;
    max-width: 100%;
    height: 180px;
  }
  .capcut-tl-btn .btn-label {
    display: none;
  }
}




/* ========================================================
   CapCut Compression & Video Export Dialog Styling
   ======================================================== */
.capcut-export-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.capcut-compress-card {
  background: var(--capcut-subpanel, #1a1b20);
  border: 1px solid var(--capcut-border, rgba(255, 255, 255, 0.1));
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.capcut-compress-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 8px;
}
.capcut-compress-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--capcut-text-bright);
  display: flex;
  align-items: center;
  gap: 7px;
}
.capcut-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.capcut-badge.cyan {
  background: rgba(0, 242, 254, 0.15);
  color: #00f2fe;
  border: 1px solid rgba(0, 242, 254, 0.3);
}
.capcut-badge.green {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.capcut-badge.amber {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.capcut-estimate-banner {
  background: var(--capcut-bg);
  border: 1px solid var(--capcut-border, rgba(255, 255, 255, 0.1));
  border-radius: 6px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.capcut-est-label {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.capcut-est-main {
  font-size: 12px;
  font-weight: 600;
  color: var(--capcut-text-muted, #9ca3af);
  display: flex;
  align-items: center;
  gap: 6px;
}
.capcut-est-sub {
  font-size: 11px;
  color: var(--capcut-text-dim, #6b7280);
}
.capcut-est-size {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 18px;
  font-weight: 700;
  color: #00f2fe;
  text-align: right;
  letter-spacing: -0.02em;
}

.capcut-presets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.capcut-preset-btn {
  background: var(--capcut-subpanel) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 6px !important;
  padding: 8px 6px !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 3px !important;
  cursor: pointer;
  transition: all 0.15s ease;
  min-height: 52px !important;
}
.capcut-preset-btn:hover {
  background: var(--capcut-card-hover) !important;
  border-color: rgba(0, 242, 254, 0.4) !important;
}
.capcut-preset-btn.active {
  background: rgba(0, 242, 254, 0.1) !important;
  border-color: #00f2fe !important;
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2) !important;
}
.preset-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--capcut-text-bright);
}
.preset-tag {
  font-size: 10px;
  color: #9ca3af;
}

.capcut-quality-slider-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.capcut-quality-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--capcut-text-muted, #9ca3af);
}
.capcut-quality-val {
  font-weight: 600;
  color: #00f2fe;
}
.capcut-custom-range {
  width: 100%;
  accent-color: #00f2fe;
}

.capcut-result-card {
  background: var(--capcut-bg);
  border: 1px solid rgba(0, 242, 254, 0.25);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
}
.capcut-result-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #10b981;
}
.capcut-result-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 12px;
  color: #9ca3af;
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 12px;
  border-radius: 6px;
}
.capcut-result-meta strong {
  color: #fff;
  font-family: ui-monospace, SFMono-Regular, monospace;
}



.capcut-compress-hdr-btn {
  background: var(--capcut-subpanel, #202126) !important;
  border: 1px solid rgba(0, 242, 254, 0.4) !important;
  color: #00f2fe !important;
  font-weight: 600 !important;
  border-radius: 6px !important;
  padding: 6px 12px !important;
  transition: all 0.15s ease;
}
.capcut-compress-hdr-btn:hover {
  background: rgba(0, 242, 254, 0.12) !important;
  border-color: #00f2fe !important;
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.3) !important;
  color: #fff !important;
}

/* Keyframe Inspector & Timeline Badge Styles */
.keyframe-indicator-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 6px 10px;
  margin: 6px 0 10px 0;
}
.keyframe-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(0, 242, 254, 0.15);
  color: #00f2fe;
  border: 1px solid rgba(0, 242, 254, 0.3);
  padding: 2px 7px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
}
.keyframe-chip:hover {
  background: rgba(0, 242, 254, 0.3);
}
.keyframe-chip.active {
  background: #00f2fe;
  color: #000;
}
.keyframe-chip .kf-del {
  cursor: pointer;
  opacity: 0.6;
  margin-left: 2px;
}
.keyframe-chip .kf-del:hover {
  opacity: 1;
  color: #f87171;
}
.keyframe-diamonds-container {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
}
.block-keyframe-diamond {
  position: absolute;
  top: 50%;
  width: 7px;
  height: 7px;
  background: #00f2fe;
  border: 1px solid #fff;
  transform: translate(-50%, -50%) rotate(45deg);
  pointer-events: none;
  z-index: 5;
  box-shadow: 0 0 4px rgba(0, 242, 254, 0.8);
}

/* Timeline Context Menu (Right Click) */
.timeline-context-menu {
  position: fixed;
  background: var(--capcut-panel, #18191c);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.65), 0 4px 12px rgba(0, 0, 0, 0.4);
  min-width: 220px;
  max-width: 280px;
  padding: 6px;
  z-index: 9999;
  user-select: none;
  animation: tlCtxPop 0.1s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--capcut-text, #f3f4f6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

@keyframes tlCtxPop {
  from { opacity: 0; transform: scale(0.96) translateY(-4px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.timeline-context-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px 8px 10px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--capcut-cyan, #00f2fe);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 4px;
}

.timeline-context-header span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timeline-context-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 7px 10px;
  background: transparent;
  border: none;
  border-radius: 6px;
  text-align: left;
  font-size: 12.5px;
  color: var(--capcut-text, #e2e8f0);
  cursor: pointer;
  gap: 10px;
  transition: all 0.12s ease;
  min-height: 32px;
}

.timeline-context-item i {
  width: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--capcut-text-dim, #94a3b8);
  flex-shrink: 0;
}

.timeline-context-item:hover {
  background: rgba(0, 242, 254, 0.12);
  color: var(--capcut-text-bright);
}

.timeline-context-item:hover i {
  color: var(--capcut-cyan, #00f2fe);
}

.timeline-context-item.danger-item:hover {
  background: rgba(239, 68, 68, 0.18);
  color: #fca5a5;
}

.timeline-context-item.danger-item:hover i {
  color: #ef4444;
}

.timeline-context-item .shortcut {
  margin-left: auto;
  padding-left: 14px;
  font-size: 11px;
  color: var(--capcut-text-dim, #94a3b8);
  font-family: inherit;
  opacity: 0.8;
}

.timeline-context-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin: 4px 6px;
}