/* =============================================================================
   CaptionTool Web App - Styles
   Based on Ad Age Design Tokens
   ============================================================================= */

/* -----------------------------------------------------------------------------
   CSS Variables (Design Tokens from Ad Age)
   ----------------------------------------------------------------------------- */
:root {
  /* Brand Colors */
  --ct-color-primary: #FFD514;
  --ct-color-primary-hover: #FFDE5C;
  --ct-color-primary-active: #E6C012;
  --ct-color-secondary: #0046E6;
  --ct-color-secondary-hover: #0039BD;

  /* Text Colors */
  --ct-color-text-primary: #0A0A0A;
  --ct-color-text-secondary: #757171;
  --ct-color-text-muted: #A7A3A3;
  --ct-color-text-inverse: #FFFFFF;

  /* Background Colors */
  --ct-color-bg: #FFFFFF;
  --ct-color-bg-secondary: #F9FAFB;
  --ct-color-bg-tertiary: #F3F4F6;
  --ct-color-bg-dark: #0A0A0A;

  /* Border Colors */
  --ct-color-border: #E5E7EB;
  --ct-color-border-dark: #D1D5DB;

  /* Status Colors */
  --ct-color-success: #137D00;
  --ct-color-warning: #982A00;
  --ct-color-error: #9C0000;
  --ct-color-info: #0099FF;

  /* Typography */
  --ct-font-heading: 'Libre Baskerville', 'Georgia', 'Times New Roman', serif;
  --ct-font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ct-font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;

  /* Font Sizes */
  --ct-text-xs: 0.75rem;
  /* 12px */
  --ct-text-sm: 0.875rem;
  /* 14px */
  --ct-text-base: 1rem;
  /* 16px */
  --ct-text-lg: 1.25rem;
  /* 20px */
  --ct-text-xl: 1.5rem;
  /* 24px */
  --ct-text-2xl: 2rem;
  /* 32px */

  /* Spacing (8px base) */
  --ct-space-1: 0.25rem;
  /* 4px */
  --ct-space-2: 0.5rem;
  /* 8px */
  --ct-space-3: 0.75rem;
  /* 12px */
  --ct-space-4: 1rem;
  /* 16px */
  --ct-space-5: 1.5rem;
  /* 24px */
  --ct-space-6: 2rem;
  /* 32px */
  --ct-space-8: 3rem;
  /* 48px */
  --ct-space-10: 4rem;
  /* 64px */

  /* Border Radius */
  --ct-radius-sm: 4px;
  --ct-radius-md: 6px;
  --ct-radius-lg: 8px;

  /* Shadows */
  --ct-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --ct-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --ct-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --ct-transition-fast: 150ms ease;
  --ct-transition-base: 200ms ease;
  --ct-transition-slow: 300ms ease;

  /* Z-index layers */
  --ct-z-dropdown: 100;
  --ct-z-modal-backdrop: 200;
  --ct-z-modal: 300;
  --ct-z-toast: 400;
}

/* -----------------------------------------------------------------------------
   Reset & Base Styles
   ----------------------------------------------------------------------------- */
.ct-app *,
.ct-app *::before,
.ct-app *::after {
  box-sizing: border-box;
}

.ct-app {
  font-family: var(--ct-font-body);
  font-size: var(--ct-text-base);
  line-height: 1.5;
  color: var(--ct-color-text-primary);
  background-color: var(--ct-color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.ct-app h1,
.ct-app h2,
.ct-app h3,
.ct-app h4 {
  font-family: var(--ct-font-heading);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 var(--ct-space-4);
  color: var(--ct-color-text-primary);
}

.ct-app h1 {
  font-size: var(--ct-text-2xl);
}

.ct-app h2 {
  font-size: var(--ct-text-xl);
}

.ct-app h3 {
  font-size: var(--ct-text-lg);
}

.ct-app p {
  margin: 0 0 var(--ct-space-4);
}

.ct-app a {
  color: var(--ct-color-secondary);
  text-decoration: none;
}

.ct-app a:hover {
  text-decoration: underline;
}

/* -----------------------------------------------------------------------------
   Utility Classes
   ----------------------------------------------------------------------------- */
.ct-hidden {
  display: none !important;
}

.ct-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;
}

.ct-text-center {
  text-align: center;
}

.ct-text-muted {
  color: var(--ct-color-text-secondary);
}

.ct-text-small {
  font-size: var(--ct-text-sm);
}

/* -----------------------------------------------------------------------------
   Header
   ----------------------------------------------------------------------------- */
.ct-header {
  background: var(--ct-color-bg);
  border-bottom: 1px solid var(--ct-color-border);
  padding: var(--ct-space-3) var(--ct-space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.ct-header__logo {
  font-family: var(--ct-font-heading);
  font-size: var(--ct-text-lg);
  font-weight: 700;
  color: var(--ct-color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--ct-space-2);
}

.ct-header__logo-icon {
  width: 32px;
  height: 32px;
  background: var(--ct-color-primary);
  border-radius: var(--ct-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ct-header__actions {
  display: flex;
  align-items: center;
  gap: var(--ct-space-3);
}

.ct-header__model-indicator {
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-secondary);
  padding: var(--ct-space-1) var(--ct-space-3);
  background: var(--ct-color-bg-tertiary);
  border-radius: var(--ct-radius-sm);
}

/* -----------------------------------------------------------------------------
   Buttons
   ----------------------------------------------------------------------------- */
.ct-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ct-space-2);
  padding: 10px 16px;
  font-family: var(--ct-font-body);
  font-size: var(--ct-text-base);
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--ct-radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--ct-transition-fast);
  text-decoration: none;
}

.ct-btn:focus {
  outline: 2px solid var(--ct-color-secondary);
  outline-offset: 2px;
}

.ct-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ct-btn--primary {
  background: var(--ct-color-primary);
  color: var(--ct-color-text-primary);
}

.ct-btn--primary:hover:not(:disabled) {
  background: var(--ct-color-primary-hover);
}

.ct-btn--primary:active:not(:disabled) {
  background: var(--ct-color-primary-active);
}

.ct-btn--secondary {
  background: transparent;
  color: var(--ct-color-text-primary);
  border: 1px solid var(--ct-color-border-dark);
}

.ct-btn--secondary:hover:not(:disabled) {
  background: var(--ct-color-bg-tertiary);
}

.ct-btn--ghost {
  background: transparent;
  color: var(--ct-color-text-secondary);
  padding: var(--ct-space-2);
}

.ct-btn--ghost:hover:not(:disabled) {
  background: var(--ct-color-bg-tertiary);
  color: var(--ct-color-text-primary);
}

.ct-btn--danger {
  background: var(--ct-color-error);
  color: var(--ct-color-text-inverse);
}

.ct-btn--danger:hover:not(:disabled) {
  background: #7a0000;
}

.ct-btn--warning {
  background: var(--ct-color-warning);
  color: var(--ct-color-text-inverse);
}

.ct-btn--warning:hover:not(:disabled) {
  background: #7a2200;
}

.ct-btn--small {
  padding: 6px 12px;
  font-size: var(--ct-text-sm);
}

.ct-btn--icon {
  padding: var(--ct-space-2);
  width: 36px;
  height: 36px;
}

.ct-btn--full {
  width: 100%;
}

/* -----------------------------------------------------------------------------
   Form Elements
   ----------------------------------------------------------------------------- */
.ct-form-group {
  margin-bottom: var(--ct-space-5);
}

.ct-form-label {
  display: block;
  font-size: var(--ct-text-sm);
  font-weight: 600;
  margin-bottom: var(--ct-space-2);
  color: var(--ct-color-text-primary);
}

.ct-form-hint {
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-secondary);
  margin-top: var(--ct-space-2);
  margin-bottom: 0;
}

.ct-form-input {
  width: 100%;
  padding: var(--ct-space-3);
  font-family: var(--ct-font-body);
  font-size: var(--ct-text-base);
  border: 1px solid var(--ct-color-border-dark);
  border-radius: var(--ct-radius-sm);
  background: var(--ct-color-bg);
  color: var(--ct-color-text-primary);
  transition: border-color var(--ct-transition-fast);
}

.ct-form-input:focus {
  outline: none;
  border-color: var(--ct-color-secondary);
  box-shadow: 0 0 0 3px rgba(0, 70, 230, 0.1);
}

.ct-form-input::placeholder {
  color: var(--ct-color-text-muted);
}

.ct-form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23757171' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
  cursor: pointer;
}

.ct-form-textarea {
  min-height: 80px;
  resize: vertical;
  font-family: var(--ct-font-body);
}

/* Time Input */
.ct-time-input {
  font-family: var(--ct-font-mono);
  font-size: var(--ct-text-sm);
  text-align: center;
  width: 120px;
}

/* Radio Group */
.ct-radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--ct-space-3);
}

.ct-radio {
  display: flex;
  align-items: flex-start;
  gap: var(--ct-space-3);
  cursor: pointer;
}

.ct-radio input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.ct-radio__mark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--ct-color-border-dark);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--ct-transition-fast);
  margin-top: 2px;
}

.ct-radio__mark::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ct-color-primary);
  transform: scale(0);
  transition: transform var(--ct-transition-fast);
}

.ct-radio input:checked+.ct-radio__mark {
  border-color: var(--ct-color-primary);
}

.ct-radio input:checked+.ct-radio__mark::after {
  transform: scale(1);
}

.ct-radio input:focus+.ct-radio__mark {
  box-shadow: 0 0 0 3px rgba(255, 213, 20, 0.3);
}

.ct-radio__label {
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-primary);
  line-height: 1.5;
}

/* Toggle */
.ct-toggle {
  display: flex;
  align-items: center;
  gap: var(--ct-space-2);
  cursor: pointer;
  font-size: var(--ct-text-sm);
}

.ct-toggle input {
  position: relative;
  width: 40px;
  height: 22px;
  appearance: none;
  background: var(--ct-color-border-dark);
  border-radius: 11px;
  cursor: pointer;
  transition: background var(--ct-transition-fast);
}

.ct-toggle input::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: transform var(--ct-transition-fast);
  box-shadow: var(--ct-shadow-sm);
}

.ct-toggle input:checked {
  background: var(--ct-color-primary);
}

.ct-toggle input:checked::after {
  transform: translateX(18px);
}

.ct-toggle__label {
  color: var(--ct-color-text-secondary);
}

/* -----------------------------------------------------------------------------
   Cards
   ----------------------------------------------------------------------------- */
.ct-card {
  background: var(--ct-color-bg);
  border: 1px solid var(--ct-color-border);
  border-radius: var(--ct-radius-lg);
  padding: var(--ct-space-5);
}

/* -----------------------------------------------------------------------------
   Progress Bar
   ----------------------------------------------------------------------------- */
.ct-progress {
  height: 8px;
  background: var(--ct-color-bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.ct-progress__bar {
  height: 100%;
  background: var(--ct-color-primary);
  border-radius: 4px;
  transition: width var(--ct-transition-base);
}

.ct-progress--indeterminate .ct-progress__bar {
  width: 30%;
  animation: ct-progress-indeterminate 1.5s ease-in-out infinite;
}

@keyframes ct-progress-indeterminate {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(400%);
  }
}

/* Spinner */
.ct-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--ct-color-border);
  border-top-color: var(--ct-color-primary);
  border-radius: 50%;
  animation: ct-spin 0.8s linear infinite;
}

.ct-spinner--small {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

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

/* -----------------------------------------------------------------------------
   Main Layout
   ----------------------------------------------------------------------------- */
.ct-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* -----------------------------------------------------------------------------
   Screens
   ----------------------------------------------------------------------------- */
.ct-screen {
  display: none;
  flex: 1;
  flex-direction: column;
}

.ct-screen--active {
  display: flex;
}

.ct-screen--centered {
  align-items: center;
  justify-content: center;
  padding: var(--ct-space-8);
}

.ct-screen__content {
  max-width: 600px;
  width: 100%;
}

.ct-screen__title {
  text-align: center;
  margin-bottom: var(--ct-space-2);
}

.ct-screen__subtitle {
  text-align: center;
  color: var(--ct-color-text-secondary);
  margin-bottom: var(--ct-space-6);
}

/* -----------------------------------------------------------------------------
   Drop Zone
   ----------------------------------------------------------------------------- */
.ct-drop-zone {
  border: 2px dashed var(--ct-color-border-dark);
  border-radius: var(--ct-radius-lg);
  padding: var(--ct-space-10);
  text-align: center;
  transition: all var(--ct-transition-fast);
  cursor: pointer;
  background: var(--ct-color-bg);
}

.ct-drop-zone:hover,
.ct-drop-zone.ct-drop-zone--active {
  border-color: var(--ct-color-primary);
  background: rgba(255, 213, 20, 0.05);
}

.ct-drop-zone:focus {
  outline: 2px solid var(--ct-color-secondary);
  outline-offset: 2px;
}

.ct-drop-zone__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--ct-space-4);
  color: var(--ct-color-text-muted);
}

.ct-drop-zone__text {
  font-size: var(--ct-text-lg);
  font-weight: 600;
  color: var(--ct-color-text-primary);
  margin-bottom: var(--ct-space-2);
}

.ct-drop-zone__hint {
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-secondary);
  margin-bottom: 0;
}

.ct-drop-zone__warning {
  font-size: var(--ct-text-xs);
  color: var(--ct-color-text-muted);
  margin-top: var(--ct-space-2);
  margin-bottom: 0;
}

/* -----------------------------------------------------------------------------
   Import Progress
   ----------------------------------------------------------------------------- */
.ct-import-progress {
  margin-top: var(--ct-space-5);
}

.ct-import-progress__header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--ct-space-2);
}

.ct-import-progress__filename {
  font-size: var(--ct-text-sm);
  font-weight: 500;
  color: var(--ct-color-text-primary);
}

.ct-import-progress__percent,
.ct-import-progress__status {
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-secondary);
}

/* -----------------------------------------------------------------------------
   Details Log
   ----------------------------------------------------------------------------- */
.ct-details-log {
  border: 1px solid var(--ct-color-border);
  border-radius: var(--ct-radius-md);
  margin-top: var(--ct-space-4);
  overflow: hidden;
}

.ct-details-log__toggle {
  width: 100%;
  background: var(--ct-color-bg-secondary);
  border: none;
  padding: var(--ct-space-3) var(--ct-space-4);
  display: flex;
  align-items: center;
  gap: var(--ct-space-2);
  font-family: var(--ct-font-body);
  font-size: var(--ct-text-sm);
  font-weight: 500;
  color: var(--ct-color-text-primary);
  cursor: pointer;
  text-align: left;
  -webkit-user-select: none;
          user-select: none;
  transition: background var(--ct-transition-fast);
}

.ct-details-log__toggle:hover {
  background: var(--ct-color-bg-tertiary);
}

.ct-details-log--open .ct-details-log__chevron {
  transform: rotate(180deg);
}

.ct-details-log__header {
  background: var(--ct-color-bg-secondary);
  padding: var(--ct-space-3) var(--ct-space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.ct-details-log__header:hover {
  background: var(--ct-color-bg-tertiary);
}

.ct-details-log__title {
  font-size: var(--ct-text-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--ct-space-2);
}

.ct-details-log__chevron {
  transition: transform var(--ct-transition-fast);
}

.ct-details-log--open .ct-details-log__chevron {
  transform: rotate(180deg);
}

.ct-details-log__content {
  display: none;
  max-height: 200px;
  overflow-y: auto;
  padding: var(--ct-space-3);
  background: var(--ct-color-bg);
  font-family: var(--ct-font-mono);
  font-size: var(--ct-text-xs);
}

.ct-details-log--open .ct-details-log__content {
  display: block;
}

.ct-log-entry {
  padding: var(--ct-space-1) 0;
  display: flex;
  gap: var(--ct-space-2);
}

.ct-log-entry__time {
  color: var(--ct-color-text-muted);
  flex-shrink: 0;
}

.ct-log-entry--info {
  color: var(--ct-color-text-secondary);
}

.ct-log-entry--success {
  color: var(--ct-color-success);
}

.ct-log-entry--warning {
  color: var(--ct-color-warning);
}

.ct-log-entry--error {
  color: var(--ct-color-error);
}

/* -----------------------------------------------------------------------------
   File Info (Pre-transcription)
   ----------------------------------------------------------------------------- */
.ct-file-info {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: var(--ct-space-4);
  margin-bottom: var(--ct-space-4);
  border-bottom: 1px solid var(--ct-color-border);
}

.ct-file-info__name {
  margin: 0 0 var(--ct-space-1);
  font-size: var(--ct-text-base);
}

.ct-file-info__meta {
  margin: 0;
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-secondary);
}

/* -----------------------------------------------------------------------------
   Model Buttons
   ----------------------------------------------------------------------------- */
.ct-model-buttons {
  display: flex;
  gap: 0;
  border: 1px solid var(--ct-color-border-dark);
  border-radius: var(--ct-radius-sm);
  overflow: hidden;
}

.ct-model-btn {
  flex: 1;
  padding: var(--ct-space-3) var(--ct-space-4);
  background: var(--ct-color-bg);
  border: none;
  border-right: 1px solid var(--ct-color-border-dark);
  font-family: var(--ct-font-body);
  cursor: pointer;
  transition: all var(--ct-transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ct-space-1);
}

.ct-model-btn:last-child {
  border-right: none;
}

.ct-model-btn:hover:not(.ct-model-btn--selected) {
  background: var(--ct-color-bg-tertiary);
}

.ct-model-btn--selected {
  background: var(--ct-color-primary);
}

.ct-model-btn__name {
  font-size: var(--ct-text-sm);
  font-weight: 600;
  color: var(--ct-color-text-primary);
}

.ct-model-btn__size {
  font-size: var(--ct-text-xs);
  color: var(--ct-color-text-secondary);
}

.ct-model-btn--selected .ct-model-btn__size {
  color: var(--ct-color-text-primary);
  opacity: 0.8;
}

/* -----------------------------------------------------------------------------
   Card Header
   ----------------------------------------------------------------------------- */
.ct-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ct-space-4);
  padding-bottom: var(--ct-space-4);
  margin-bottom: var(--ct-space-4);
  border-bottom: 1px solid var(--ct-color-border);
}

.ct-card__title {
  font-size: var(--ct-text-base);
  font-weight: 600;
  margin: 0 0 var(--ct-space-1);
}

.ct-card__subtitle {
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-secondary);
  margin: 0;
}

/* -----------------------------------------------------------------------------
   Badge
   ----------------------------------------------------------------------------- */
.ct-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--ct-space-2);
  border-radius: var(--ct-radius-sm);
  font-size: var(--ct-text-xs);
  font-weight: 500;
  background: var(--ct-color-bg-tertiary);
  color: var(--ct-color-text-muted);
  white-space: nowrap;
}

.ct-badge--cached {
  background: rgba(19, 125, 0, 0.1);
  color: var(--ct-color-success);
}

/* -----------------------------------------------------------------------------
   Model Storage Section
   ----------------------------------------------------------------------------- */
.ct-model-storage {
  border: 1px solid var(--ct-color-border);
  border-radius: var(--ct-radius-md);
  margin-bottom: var(--ct-space-5);
  overflow: hidden;
}

.ct-model-storage__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ct-space-3) var(--ct-space-4);
  background: var(--ct-color-bg-secondary);
  border-bottom: 1px solid var(--ct-color-border);
}

.ct-model-storage__label {
  margin: 0;
}

.ct-model-storage__link {
  font-size: var(--ct-text-xs);
  color: var(--ct-color-secondary);
}

.ct-model-list {
  display: flex;
  flex-direction: column;
}

.ct-model-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ct-space-4);
  padding: var(--ct-space-3) var(--ct-space-4);
  border-bottom: 1px solid var(--ct-color-border);
  background: var(--ct-color-bg);
}

.ct-model-list-item:last-child {
  border-bottom: none;
}

.ct-model-list-item__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.ct-model-list-item__name {
  font-size: var(--ct-text-sm);
  font-weight: 600;
  color: var(--ct-color-text-primary);
}

.ct-model-list-item__meta {
  font-size: var(--ct-text-xs);
  color: var(--ct-color-text-muted);
}

.ct-model-list-item__actions {
  display: flex;
  align-items: center;
  gap: var(--ct-space-2);
  flex-shrink: 0;
}

.ct-model-upload {
  display: flex;
  align-items: center;
  gap: var(--ct-space-3);
  padding: var(--ct-space-3) var(--ct-space-4);
  border-top: 1px solid var(--ct-color-border);
  background: var(--ct-color-bg-secondary);
}

.ct-model-upload__status {
  font-size: var(--ct-text-xs);
  color: var(--ct-color-text-muted);
}

/* -----------------------------------------------------------------------------
   Transcribing Progress
   ----------------------------------------------------------------------------- */
.ct-transcribing-progress {
  margin-bottom: var(--ct-space-6);
}

.ct-transcribing-progress__header {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--ct-space-2);
}

.ct-transcribing-progress__segment {
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-primary);
}

.ct-transcribing-progress__percent {
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-secondary);
}

.ct-transcribing-progress__times {
  display: flex;
  justify-content: space-between;
  margin-top: var(--ct-space-3);
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-muted);
}

/* -----------------------------------------------------------------------------
   Editor Layout
   ----------------------------------------------------------------------------- */
.ct-editor {
  flex: 1;
  display: grid;
  grid-template-columns: .85fr 380px;
  grid-template-rows: 1fr auto;
  gap: 0;
  overflow: hidden;
}

.ct-editor__video {
  padding: var(--ct-space-4);
  background: var(--ct-color-bg-secondary);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ct-editor__captions {
  border-left: 1px solid var(--ct-color-border);
  display: flex;
  flex-direction: column;
  overflow-y: scroll;
  max-height: 80vh;
}

.ct-editor__timeline {
  grid-column: 1 / -1;
  border-top: 1px solid var(--ct-color-border);
}

/* -----------------------------------------------------------------------------
   Video Container
   ----------------------------------------------------------------------------- */
.ct-video-container {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  border-radius: var(--ct-radius-lg);
  overflow: hidden;
  max-height: 70vh;
}

.ct-video-player {
  max-width: 100%;
  max-height: 100%;
  display: block;
}

.ct-caption-overlay {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.8);
  color: #fff;
  padding: var(--ct-space-2) var(--ct-space-4);
  border-radius: var(--ct-radius-sm);
  font-size: var(--ct-text-base);
  max-width: 80%;
  text-align: center;
  pointer-events: none;
  line-height: 1.4;
}

.ct-audio-placeholder {
  display: none;
  position: absolute;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--ct-space-3);
  color: rgba(255, 255, 255, 0.4);
  pointer-events: none;
}

.ct-audio-placeholder span {
  font-size: var(--ct-text-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ct-video-container--audio-only .ct-audio-placeholder {
  display: flex;
}

.ct-video-container--audio-only .ct-video-player {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 48px;
  max-height: none;
}

.ct-caption-display-toggle {
  margin-top: var(--ct-space-3);
  display: flex;
  justify-content: center;
}

/* -----------------------------------------------------------------------------
   Caption List
   ----------------------------------------------------------------------------- */
.ct-captions-header {
  padding: var(--ct-space-3) var(--ct-space-4);
  border-bottom: 1px solid var(--ct-color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.ct-captions-header__title {
  font-size: var(--ct-text-base);
  font-weight: 600;
  margin: 0;
}

.ct-captions-header__actions {
  display: flex;
  gap: var(--ct-space-1);
}

.ct-captions-header__overlay-toggle {
  display: flex;
  align-items: center;
  gap: var(--ct-space-1);
  font-size: var(--ct-text-sm);
  color: var(--ct-color-text-muted);
  cursor: pointer;
  -webkit-user-select: none;
          user-select: none;
}

.ct-caption-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--ct-space-3);
}

/* -----------------------------------------------------------------------------
   Caption Item
   ----------------------------------------------------------------------------- */
.ct-caption-item {
  background: var(--ct-color-bg);
  border: 1px solid var(--ct-color-border);
  border-radius: var(--ct-radius-md);
  padding: var(--ct-space-3);
  margin-bottom: var(--ct-space-3);
  transition: all var(--ct-transition-fast);
  cursor: pointer;
}

.ct-caption-item:hover {
  border-color: var(--ct-color-border-dark);
}

.ct-caption-item--selected {
  border-color: var(--ct-color-secondary);
  box-shadow: 0 0 0 1px var(--ct-color-secondary);
}

.ct-caption-item--active {
  background: rgba(0, 153, 255, 0.05);
  border-color: var(--ct-color-info);
}

.ct-caption-item__times {
  display: flex;
  align-items: center;
  gap: var(--ct-space-2);
  margin-bottom: var(--ct-space-2);
}

.ct-caption-item__separator {
  color: var(--ct-color-text-muted);
  font-size: var(--ct-text-sm);
}

.ct-caption-item__text {
  width: 100%;
  min-height: 60px;
  padding: var(--ct-space-2);
  border: 1px solid transparent;
  border-radius: var(--ct-radius-sm);
  background: var(--ct-color-bg-secondary);
  font-family: var(--ct-font-body);
  font-size: var(--ct-text-sm);
  line-height: 1.5;
  resize: vertical;
  transition: border-color var(--ct-transition-fast);
}

.ct-caption-item__text:focus {
  outline: none;
  border-color: var(--ct-color-secondary);
  background: var(--ct-color-bg);
}

.ct-caption-item__text--warning {
  border-color: var(--ct-color-warning);
  background: rgba(152, 42, 0, 0.05);
}

.ct-caption-item__text--warning:focus {
  border-color: var(--ct-color-warning);
}

.ct-caption-item__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--ct-space-2);
}

.ct-caption-item__char-count {
  font-size: var(--ct-text-xs);
  color: var(--ct-color-text-muted);
  font-family: var(--ct-font-mono);
}

.ct-caption-item__char-count--warning {
  color: var(--ct-color-warning);
  font-weight: 500;
}

/* -----------------------------------------------------------------------------
   Timeline
   ----------------------------------------------------------------------------- */
.ct-timeline {
  padding: var(--ct-space-4) var(--ct-space-5);
  background: var(--ct-color-bg-secondary);
}

.ct-timeline__track {
  position: relative;
  height: 40px;
  background: var(--ct-color-bg);
  border: 1px solid var(--ct-color-border);
  border-radius: var(--ct-radius-sm);
  cursor: pointer;
}

.ct-timeline__progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: rgba(0, 153, 255, 0.1);
  pointer-events: none;
}

.ct-timeline__playhead {
  position: absolute;
  top: -4px;
  bottom: -4px;
  width: 2px;
  background: var(--ct-color-info);
  transform: translateX(-50%);
  pointer-events: none;
}

.ct-timeline__playhead::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--ct-color-info);
}

.ct-timeline__region {
  position: absolute;
  top: 8px;
  bottom: 8px;
  background: rgba(255, 213, 20, 0.3);
  border: 1px solid var(--ct-color-primary);
  border-radius: var(--ct-radius-sm);
  pointer-events: none;
}

.ct-timeline__anchor {
  position: absolute;
  top: 4px;
  bottom: 4px;
  width: 12px;
  background: var(--ct-color-primary);
  border-radius: var(--ct-radius-sm);
  cursor: ew-resize;
  transform: translateX(-50%);
  z-index: 10;
}

.ct-timeline__anchor:hover {
  background: var(--ct-color-primary-hover);
}

.ct-timeline__anchor--start {
  border-radius: var(--ct-radius-sm) 0 0 var(--ct-radius-sm);
}

.ct-timeline__anchor--end {
  border-radius: 0 var(--ct-radius-sm) var(--ct-radius-sm) 0;
}

.ct-timeline__markers {
  display: flex;
  justify-content: space-between;
  margin-top: var(--ct-space-2);
  font-size: var(--ct-text-xs);
  color: var(--ct-color-text-muted);
  font-family: var(--ct-font-mono);
}

/* -----------------------------------------------------------------------------
   Modal
   ----------------------------------------------------------------------------- */
.ct-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--ct-z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--ct-space-5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--ct-transition-base);
}

.ct-modal-backdrop.ct-modal--active {
  opacity: 1;
  visibility: visible;
}

.ct-modal {
  background: var(--ct-color-bg);
  border-radius: var(--ct-radius-lg);
  box-shadow: var(--ct-shadow-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95);
  transition: transform var(--ct-transition-base);
}

.ct-modal-backdrop.ct-modal--active .ct-modal {
  transform: scale(1);
}

.ct-modal--small {
  max-width: 400px;
}

.ct-modal__header {
  padding: var(--ct-space-5);
  border-bottom: 1px solid var(--ct-color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ct-modal__title {
  margin: 0;
  font-size: var(--ct-text-lg);
}

.ct-modal__body {
  padding: var(--ct-space-5);
}

.ct-modal__body p:last-child {
  margin-bottom: 0;
}

.ct-modal__footer {
  padding: var(--ct-space-4) var(--ct-space-5);
  border-top: 1px solid var(--ct-color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--ct-space-3);
}

/* -----------------------------------------------------------------------------
   Toast Notifications
   ----------------------------------------------------------------------------- */
.ct-toast-container {
  position: fixed;
  bottom: var(--ct-space-5);
  right: var(--ct-space-5);
  z-index: var(--ct-z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--ct-space-3);
}

.ct-toast {
  background: var(--ct-color-text-primary);
  color: var(--ct-color-text-inverse);
  padding: var(--ct-space-3) var(--ct-space-4);
  border-radius: var(--ct-radius-md);
  box-shadow: var(--ct-shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--ct-space-3);
  animation: ct-toast-in var(--ct-transition-base) ease;
  max-width: 400px;
}

.ct-toast--success {
  background: var(--ct-color-success);
}

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

.ct-toast--warning {
  background: var(--ct-color-warning);
}

.ct-toast--info {
  background: var(--ct-color-info);
}

@keyframes ct-toast-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -----------------------------------------------------------------------------
   Responsive Adjustments
   ----------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .ct-editor {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
  }

  .ct-editor__video {
    max-height: 50vh;
  }

  .ct-editor__captions {
    border-left: none;
    border-top: 1px solid var(--ct-color-border);
    max-height: 40vh;
  }
}

@media (max-width: 600px) {
  .ct-header {
    padding: var(--ct-space-3);
  }

  .ct-header__logo span {
    display: none;
  }

  .ct-screen--centered {
    padding: var(--ct-space-4);
  }

  .ct-drop-zone {
    padding: var(--ct-space-6);
  }

  .ct-model-buttons {
    flex-direction: column;
  }

  .ct-model-btn {
    border-right: none;
    border-bottom: 1px solid var(--ct-color-border-dark);
  }

  .ct-model-btn:last-child {
    border-bottom: none;
  }
}