/* ── Palefo exact design tokens ── */
:root {
  --color-primary:      rgb(49, 86, 142);
  --color-accent:       rgb(95, 165, 250);
  --color-accent-purple:rgb(167, 78, 222);
  --color-btn-shadow:   rgba(155, 91, 248, 0.45);
  --color-card-bg:      rgba(255, 255, 255, 0.72);
  --color-card-border:  rgba(187, 213, 246, 0.6);
  --color-card-shadow:  rgba(53, 56, 67, 0.12);
  --gradient-primary:   linear-gradient(96deg, #5fa5fa 0%, #a74ede 104%);
  --gradient-body:      linear-gradient(90deg, #e3e5fa 3%, #edeffa 100%);

  /* KreyolMM token overrides using Palefo values */
  --bg-dark:        #e3e5fa;
  --bg-panel:       rgba(255,255,255,0.72);
  --bg-input:       #ffffff;
  --bg-track:       #f4f5fc;
  --bg-clip-visual: rgba(239,68,68,0.14);
  --bg-clip-audio:  rgba(16,185,129,0.14);
  --bg-clip-caption:rgba(245,158,11,0.14);
  --text-primary:   #1c2a45;
  --text-secondary: #4a5a7a;
  --text-muted:     #8a96b0;
  --accent:         #5fa5fa;
  --accent-hover:   #a74ede;
  --border:         rgba(187,213,246,0.6);
  --border-solid:   #dde3f5;
  --scrollbar-thumb:#c8d4ee;
  --radius:         12px;
  --radius-lg:      24px;
  --shadow-sm:      0 2px 8px rgba(53,56,67,0.08);
  --shadow-md:      0 4px 20px rgba(53,56,67,0.12);
  --shadow-lg:      rgba(182,165,246,0.5) -3px 14px 24px -2px;
}

/* ── Base ── */
html, body {
  font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
  background: var(--gradient-body);
  background-attachment: fixed;
  color: var(--text-primary);
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

/* ─────────────────────────────
   TOP BAR
───────────────────────────── */
#topbar {
  background: var(--gradient-body);
  border-bottom: 1px solid var(--color-card-border);
  box-shadow: 0 2px 12px rgba(53,56,67,0.08);
  padding: 0 20px;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo span { -webkit-text-fill-color: transparent; }

.project-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--color-card-border);
  padding: 3px 12px;
  border-radius: 999px;
}

.tb-btn {
  font-size: 12px;
  font-weight: 500;
  border-radius: 10px;
  padding: 5px 14px;
  background: rgba(255,255,255,0.75);
  color: var(--color-primary);
  border: 1px solid var(--color-card-border);
  transition: background 0.15s, box-shadow 0.15s;
}
.tb-btn:hover {
  background: rgba(255,255,255,0.95);
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
}
#btn-settings {
  font-size: 20px;
  padding: 2px 10px;
  line-height: 1;
}
.tb-primary {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 12px var(--color-btn-shadow);
}
.tb-primary:hover {
  filter: brightness(1.08);
  box-shadow: 0 4px 18px var(--color-btn-shadow);
  color: #fff;
}
.tb-separator { background: var(--color-card-border); }

/* ─────────────────────────────
   PANELS
───────────────────────────── */
.panel {
  background: var(--color-card-bg);
  border-right: 1px solid var(--color-card-border);
  box-shadow: none;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.panel-header {
  background: rgba(255,255,255,0.6);
  border-bottom: 1px solid var(--color-card-border);
  padding: 10px 14px;
}
.panel-header h2 {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--color-primary);
  opacity: 0.6;
}
.panel-section {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-solid);
}
.panel-section h3 {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
  opacity: 0.55;
  margin-bottom: 10px;
}
.panel-body { padding: 10px; }

/* ─────────────────────────────
   BUTTONS
───────────────────────────── */
button {
  font-family: 'Inter', inherit;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid var(--color-card-border);
  background: rgba(255,255,255,0.8);
  color: var(--color-primary);
  padding: 5px 12px;
  transition: background 0.15s, box-shadow 0.15s, filter 0.15s;
}
button:hover {
  background: #fff;
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
}
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.4; transform: none; }

.btn-sm { font-size: 11px; padding: 4px 11px; border-radius: 10px; }

.btn-accent {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 10px var(--color-btn-shadow);
}
.btn-accent:hover {
  filter: brightness(1.07);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px var(--color-btn-shadow);
}

.btn-danger {
  background: #fff1f1;
  color: #dc2626;
  border-color: rgba(220,38,38,0.2);
}
.btn-danger:hover {
  background: #dc2626;
  color: #fff;
  border-color: #dc2626;
}

/* ─────────────────────────────
   INPUTS
───────────────────────────── */
input[type="text"], input[type="number"], input[type="password"],
textarea, select {
  font-family: 'Inter', inherit;
  font-size: 12px;
  background: #fff;
  border: 1px solid var(--border-solid);
  color: var(--text-primary);
  border-radius: var(--radius);
  padding: 5px 9px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(95,165,250,0.18);
  outline: none;
}
input[type="range"] { accent-color: var(--color-accent-purple); }
input[type="color"] {
  width: 34px; height: 28px;
  border-radius: 8px;
  border: 1px solid var(--border-solid);
  padding: 2px; background: #fff;
}
label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--text-muted);
  gap: 4px;
}
.toggle-label {
  flex-direction: row; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 500;
  color: var(--text-secondary); cursor: pointer;
}
.toggle-label input[type="checkbox"] {
  width: 14px; height: 14px;
  accent-color: var(--color-accent-purple);
}

/* ─────────────────────────────
   SIDEBAR TABS (Media / Audio / Text)
───────────────────────────── */
.sidebar-tab-bar {
  display: flex;
  padding: 8px 8px 0;
  gap: 3px;
  background: rgba(255,255,255,0.55);
  border-bottom: 1px solid var(--border-solid);
  flex-shrink: 0;
}
.sidebar-tab {
  flex: 1;
  font-size: 11px;
  font-weight: 600;
  border: none;
  border-radius: 8px 8px 0 0;
  background: transparent;
  color: var(--text-muted);
  padding: 7px 4px;
  text-align: center;
  letter-spacing: 0.2px;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}
.sidebar-tab:hover {
  background: rgba(255,255,255,0.6);
  color: var(--text-secondary);
  box-shadow: none;
}
.sidebar-tab.active {
  background: rgba(255,255,255,0.92);
  color: var(--color-accent-purple);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--color-accent-purple);
}
.sidebar-tab[data-stab="audio"].drop-target {
  background: rgba(95,165,250,0.18) !important;
  color: var(--color-accent) !important;
  box-shadow: inset 0 -2px 0 var(--color-accent) !important;
}

.stab-section {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-solid);
}
.stab-section:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.stab-section h3 {
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--color-primary); opacity: 0.55;
  margin-bottom: 10px;
}
#tts-text.drag-over {
  border-color: var(--color-accent) !important;
  box-shadow: 0 0 0 3px rgba(95,165,250,0.18) !important;
  background: rgba(95,165,250,0.04) !important;
}

/* ─────────────────────────────
   SETTINGS MODAL GROUPS
───────────────────────────── */
.settings-group {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-solid);
}
.settings-group:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.settings-group h3 {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--color-primary); opacity: 0.6;
  margin-bottom: 12px;
}

/* ─────────────────────────────
   MEDIA LIBRARY
───────────────────────────── */
.drop-zone {
  background: rgba(255,255,255,0.6);
  border: 2px dashed var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 18px 12px;
  text-align: center;
  transition: border-color 0.2s, background 0.2s;
}
.drop-zone:hover {
  border-color: var(--color-accent);
  background: rgba(95,165,250,0.05);
}
.drop-zone.drag-over {
  border-color: var(--color-accent-purple);
  background: rgba(167,78,222,0.05);
}
.drop-zone p { color: var(--text-muted); font-size: 11px; margin-bottom: 8px; }

.media-tab {
  font-size: 11px; font-weight: 500;
  background: transparent;
  border: 1px solid var(--border-solid);
  border-bottom: none;
  border-radius: 10px 10px 0 0;
  color: var(--text-muted);
  padding: 5px 8px;
  transition: background 0.15s;
}
.media-tab:hover { background: rgba(255,255,255,0.6); color: var(--color-primary); }
.media-tab.active {
  background: #fff;
  color: var(--color-primary);
  font-weight: 600;
  border-color: var(--border-solid);
  border-bottom-color: #fff;
}

.media-list {
  border: 1px solid var(--border-solid);
  border-radius: 0 0 12px 12px;
  background: rgba(255,255,255,0.9);
  max-height: 160px; overflow-y: auto;
}
.media-item {
  padding: 6px 8px;
  border-bottom: 1px solid rgba(187,213,246,0.3);
  font-size: 11px; color: var(--text-secondary);
  transition: background 0.12s;
}
.media-item:hover { background: rgba(95,165,250,0.06); }
.media-item:last-child { border-bottom: none; }

.media-thumb-placeholder {
  width: 34px; height: 26px;
  border-radius: 6px;
  background: rgba(187,213,246,0.3);
  font-size: 13px;
}
.media-item-duration { color: var(--text-muted); font-size: 10px; }
.media-item-actions button {
  padding: 2px 7px; font-size: 11px;
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--border-solid);
  color: var(--text-secondary);
}
.media-item-actions button:hover { background: #fff; color: var(--color-primary); }

.text-clip-item {
  border-bottom: 1px solid rgba(187,213,246,0.3);
  font-size: 11px; color: var(--text-secondary);
}
.text-clip-item:hover { background: rgba(245,158,11,0.06); }
.text-clip-icon {
  width: 22px; height: 22px;
  border-radius: 6px;
  background: rgba(245,158,11,0.15);
  color: #d97706;
  font-size: 11px; font-weight: 700;
}
.text-clip-actions button { padding: 2px 7px; font-size: 11px; }

/* ─────────────────────────────
   STATUS / HINTS
───────────────────────────── */
.status-msg { font-size: 11px; font-weight: 500; color: var(--text-muted); }
.status-msg.error   { color: #dc2626; }
.status-msg.success { color: #059669; }
.hint { font-size: 11px; color: var(--text-muted); font-style: italic; line-height: 1.5; }
.error-msg { font-size: 11px; font-weight: 500; color: #dc2626; }
.translate-row { gap: 5px; }
.lang-select { font-size: 11px; flex: 1; }

/* ─────────────────────────────
   PREVIEW PANEL
───────────────────────────── */
#panel-preview { border-right: 1px solid var(--color-card-border); }
.preview-container { background: #080812; }
#preview-canvas {
  border-radius: 6px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.55);
}

/* ─────────────────────────────
   TRANSPORT BAR
───────────────────────────── */
#transport {
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--color-card-border);
  padding: 7px 14px; gap: 8px;
}
.transport-btn {
  width: 30px; height: 30px;
  border-radius: 999px;
  font-size: 12px; padding: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border-solid);
  color: var(--color-primary);
  transition: box-shadow 0.15s, background 0.15s;
}
.transport-btn:hover {
  background: #fff;
  box-shadow: var(--shadow-sm);
  color: var(--color-accent-purple);
}
#btn-play {
  width: 36px; height: 36px;
  background: var(--gradient-primary);
  color: #fff; border-color: transparent;
  box-shadow: 0 2px 12px var(--color-btn-shadow);
  font-size: 13px;
}
#btn-play:hover {
  filter: brightness(1.08);
  box-shadow: 0 4px 18px var(--color-btn-shadow);
}
.time-display {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 11px; color: var(--text-secondary);
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--border-solid);
  border-radius: 8px; padding: 3px 8px;
  min-width: 130px;
}
/* ── Seek Bar (ElevenLabs Scrub Bar style) ── */
#seek-bar {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 4px;
  border-radius: 999px;
  cursor: pointer;
  outline: none;
  border: none;
  background: linear-gradient(
    to right,
    var(--color-accent-purple) var(--seek-fill, 0%),
    rgba(187,213,246,0.4) var(--seek-fill, 0%)
  );
  transition: height 0.15s;
}
#seek-bar:hover { height: 6px; }
#seek-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--color-accent-purple);
  box-shadow: 0 0 0 3px rgba(167,78,222,0.2);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s, transform 0.1s;
}
#seek-bar:hover::-webkit-slider-thumb  { opacity: 1; }
#seek-bar:active::-webkit-slider-thumb { opacity: 1; transform: scale(1.2); }
#seek-bar::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--color-accent-purple);
  border: none;
  box-shadow: 0 0 0 3px rgba(167,78,222,0.2);
  cursor: pointer;
}
#seek-bar::-moz-range-track {
  height: 4px; border-radius: 999px;
  background: rgba(187,213,246,0.4);
}
#seek-bar::-moz-range-progress {
  background: var(--color-accent-purple);
  height: 4px; border-radius: 999px;
}

/* ─────────────────────────────
   PROPERTIES
───────────────────────────── */
.prop-row { gap: 8px; margin-bottom: 8px; }
.size-preset {
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--border-solid);
  font-size: 10px; font-weight: 600;
  color: var(--color-primary);
}
.size-preset:hover {
  background: #fff;
  border-color: var(--color-accent);
  color: var(--color-accent-purple);
  box-shadow: var(--shadow-sm);
}

/* ─────────────────────────────
   TIMELINE
───────────────────────────── */
#panel-timeline {
  background: var(--color-card-bg);
  border-top: 1px solid var(--color-card-border);
  box-shadow: rgba(182,165,246,0.3) 0 -4px 16px -2px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.timeline-toolbar {
  background: rgba(255,255,255,0.85);
  border-bottom: 1px solid var(--color-card-border);
  padding: 5px 14px;
}
.timeline-toolbar h2 {
  font-size: 10px; font-weight: 700;
  letter-spacing: 1px;
  color: var(--color-primary); opacity: 0.6;
}
.timeline-actions button { font-size: 11px; }

.timeline-ruler {
  background: rgba(255,255,255,0.7);
  border-bottom: 1px solid var(--border-solid);
}
.ruler-tick { font-size: 9px; color: var(--text-muted); }
.ruler-tick.major { border-left-color: var(--scrollbar-thumb); }

.track { height: 50px; border-bottom: 1px solid rgba(187,213,246,0.3); }
.track-label {
  width: 72px; min-width: 72px;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.5px; text-transform: uppercase;
  color: var(--color-primary); opacity: 0.6;
  background: rgba(255,255,255,0.6);
  border-right: 1px solid var(--border-solid);
}
.track-clips { background: rgba(255,255,255,0.5); }
.track-clips.drop-highlight {
  background: rgba(245,158,11,0.07);
  outline: 2px dashed #f59e0b;
  outline-offset: -2px;
}

.timeline-clip {
  border-radius: 10px;
  font-size: 10px; font-weight: 600;
  top: 5px; height: 38px;
  box-shadow: 0 1px 4px rgba(53,56,67,0.1);
  backdrop-filter: blur(4px);
}
.timeline-clip.selected {
  box-shadow: 0 0 0 2px var(--color-accent-purple), 0 2px 8px rgba(53,56,67,0.12);
}
.timeline-clip.visual {
  background: rgba(239,68,68,0.14);
  border: 1px solid rgba(239,68,68,0.35);
  color: #b91c1c;
}
.timeline-clip.audio {
  background: rgba(16,185,129,0.14);
  border: 1px solid rgba(16,185,129,0.35);
  color: #047857;
}
.timeline-clip.caption {
  background: rgba(245,158,11,0.14);
  border: 1px solid rgba(245,158,11,0.38);
  color: #b45309;
}

.clip-label { font-size: 9px; font-weight: 600; }
.waveform-canvas { opacity: 0.4; }

.playhead { background: var(--color-accent-purple); }
.playhead::before { background: var(--color-accent-purple); }

/* ─────────────────────────────
   MODALS
───────────────────────────── */
.modal-overlay {
  background: rgba(30,40,100,0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.modal {
  background: #fff;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-solid);
  background: linear-gradient(90deg, rgba(227,229,250,0.5) 0%, rgba(237,239,250,0.5) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.modal-header h2 { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.modal-close {
  background: rgba(255,255,255,0.8);
  border: 1px solid var(--border-solid);
  color: var(--text-muted);
  width: 26px; height: 26px;
  border-radius: 999px; padding: 0; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: #fee2e2; color: #dc2626; border-color: #fca5a5; }
.modal-footer { border-top: 1px solid var(--border-solid); padding: 12px 18px; }

#json-editor {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 12px;
  background: #f8f9ff;
  border: 1px solid var(--border-solid);
  border-radius: var(--radius);
  color: var(--text-primary);
}

/* ─────────────────────────────
   PROGRESS BAR
───────────────────────────── */
.progress-bar { background: #e8eaf5; border-radius: 4px; height: 7px; border: none; }
.progress-fill { background: var(--gradient-primary); border-radius: 4px; }

/* ─────────────────────────────
   STATUSBAR
───────────────────────────── */
#statusbar {
  background: rgba(255,255,255,0.85);
  border-top: 1px solid var(--color-card-border);
  font-size: 11px; color: var(--text-muted);
}
.statusbar-btn {
  font-size: 11px; font-weight: 500;
  color: var(--text-muted);
  background: none; border: none; text-decoration: none;
  transition: color 0.15s;
}
.statusbar-btn:hover { color: var(--color-accent-purple); background: none; border: none; }
.token-display {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 600;
  color: var(--color-primary);
  margin-left: auto;
}

/* ─────────────────────────────
   CONTEXT MENU
───────────────────────────── */
.context-menu {
  background: #fff;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 150px; overflow: hidden;
}
.context-menu button {
  background: none; border: none;
  border-bottom: 1px solid rgba(187,213,246,0.3);
  border-radius: 0; font-size: 12px; font-weight: 500;
  color: var(--text-secondary); text-align: left;
  padding: 9px 16px; width: 100%;
}
.context-menu button:hover {
  background: rgba(95,165,250,0.07);
  color: var(--color-primary);
}
.context-menu button:last-child { border-bottom: none; }

/* ─────────────────────────────
   SHORTCUTS TABLE
───────────────────────────── */
.shortcuts-table { font-size: 12px; width: 100%; border-collapse: collapse; }
.shortcuts-table td {
  padding: 7px 10px;
  border-bottom: 1px solid rgba(187,213,246,0.3);
  color: var(--text-secondary);
}
.shortcuts-table td:first-child {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; font-weight: 600;
  color: var(--color-accent-purple);
  background: rgba(167,78,222,0.06);
  border-radius: 4px;
}
.shortcuts-table tr:last-child td { border-bottom: none; }
.shortcuts-table tr:hover td { background: rgba(95,165,250,0.04); }

/* ─────────────────────────────
   BAR VISUALIZER (ElevenLabs Bar Visualizer style)
   Appears in transport bar during playback
───────────────────────────── */
#transport-viz {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 22px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 0.35s;
}
#transport-viz.active { opacity: 1; }
#transport-viz span {
  display: block;
  width: 3px;
  height: 15%;
  background: var(--gradient-primary);
  border-radius: 999px;
  animation: viz-bar 0.9s ease-in-out infinite alternate;
}
#transport-viz span:nth-child(1) { animation-delay: 0.00s; }
#transport-viz span:nth-child(2) { animation-delay: 0.12s; }
#transport-viz span:nth-child(3) { animation-delay: 0.24s; }
#transport-viz span:nth-child(4) { animation-delay: 0.16s; }
#transport-viz span:nth-child(5) { animation-delay: 0.06s; }
@keyframes viz-bar {
  from { height: 15%; }
  to   { height: 100%; }
}

/* ─────────────────────────────
   PLAY BUTTON PULSE (Orb / Voice Button inspired)
───────────────────────────── */
#btn-play.playing {
  animation: play-ring 2s ease-in-out infinite;
}
@keyframes play-ring {
  0%, 100% { box-shadow: 0 2px 12px var(--color-btn-shadow); }
  50% {
    box-shadow:
      0 0 0 5px rgba(167,78,222,0.18),
      0 0 0 10px rgba(167,78,222,0.06),
      0 4px 18px var(--color-btn-shadow);
  }
}

/* ─────────────────────────────
   TTS GENERATE BUTTON STATES (Voice Button inspired)
───────────────────────────── */
#btn-tts-generate.tts-loading {
  background: var(--gradient-primary) !important;
  color: #fff !important;
  border-color: transparent !important;
  animation: tts-pulse 1.2s ease-in-out infinite;
}
@keyframes tts-pulse {
  0%, 100% { box-shadow: 0 2px 10px var(--color-btn-shadow); }
  50%       { box-shadow: 0 0 0 5px rgba(95,165,250,0.22), 0 4px 16px var(--color-btn-shadow); }
}
#btn-tts-generate.tts-success {
  background: #059669 !important;
  color: #fff !important;
  border-color: transparent !important;
  animation: tts-success-flash 1.8s ease-out forwards;
}
@keyframes tts-success-flash {
  0%   { box-shadow: 0 0 0 6px rgba(5,150,105,0.25), 0 2px 12px rgba(5,150,105,0.4); }
  100% { box-shadow: 0 2px 10px rgba(5,150,105,0.15); }
}
#btn-tts-generate.tts-error {
  background: #dc2626 !important;
  color: #fff !important;
  border-color: transparent !important;
  animation: none;
}

/* ─────────────────────────────
   PREVIEW CANVAS GLOW (Orb ambient glow during playback)
───────────────────────────── */
#preview-canvas {
  transition: box-shadow 0.4s ease;
}
#preview-canvas.is-playing {
  box-shadow:
    0 8px 40px rgba(0,0,0,0.55),
    0 0 0 1px rgba(167,78,222,0.25),
    0 0 60px rgba(95,165,250,0.12);
}

/* ─────────────────────────────
   DRAG
───────────────────────────── */
.dragging { opacity: 0.45; }
.drag-ghost {
  background: var(--gradient-primary);
  color: #fff; border-radius: var(--radius);
  font-size: 11px; font-weight: 600;
  padding: 6px 12px;
  box-shadow: 0 4px 16px var(--color-btn-shadow);
}

/* Preview drop highlight */
.preview-container.drop-highlight-caption { outline: 2px dashed #f59e0b; outline-offset: -2px; }

/* ─────────────────────────────
   YOUTUBE IMPORT TAB
───────────────────────────── */
.yt-heading {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 6px;
}
.yt-hint {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0 0 10px;
}
.yt-url-row {
  display: flex;
  gap: 6px;
  align-items: center;
}
.yt-url-input {
  flex: 1;
  min-width: 0;
  background: var(--bg-input);
  border: 1px solid var(--border-solid);
  border-radius: var(--radius);
  padding: 6px 10px;
  font-size: 12px;
  color: var(--text-primary);
}
.yt-url-input:focus { outline: none; border-color: var(--accent); }
.yt-transcript {
  width: 100%;
  box-sizing: border-box;
  background: var(--bg-input);
  border: 1px solid var(--border-solid);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
  resize: vertical;
  margin-bottom: 8px;
  line-height: 1.6;
}
.yt-ts-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  margin-bottom: 6px;
}
.yt-manual-row {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}
.yt-manual-row label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 11px;
  color: var(--text-secondary);
}
.yt-manual-row input[type="number"],
.yt-manual-row input[type="text"] {
  background: var(--bg-input);
  border: 1px solid var(--border-solid);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 12px;
  color: var(--text-primary);
  width: 70px;
}
.yt-translate-row {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 8px;
}
.yt-translate-row .lang-select { flex: 1; }
.yt-insert-btn { width: 100%; }

/* ─────────────────────────────
   SPLIT TEXT SECTION
───────────────────────────── */
.split-section {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border-solid);
}
.split-section h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 8px;
}
.split-section textarea {
  width: 100%;
  box-sizing: border-box;
  background: var(--bg-input);
  border: 1px solid var(--border-solid);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-size: 12px;
  color: var(--text-primary);
  resize: vertical;
  margin-bottom: 8px;
}
.split-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 8px;
}
.split-options label {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-size: 11px;
  color: var(--text-secondary);
}
.split-options label.full-width { grid-column: 1 / -1; }
.split-options select,
.split-options input[type="number"] {
  background: var(--bg-input);
  border: 1px solid var(--border-solid);
  border-radius: 6px;
  padding: 4px 6px;
  font-size: 12px;
  color: var(--text-primary);
  width: 100%;
  box-sizing: border-box;
}
.split-preview {
  max-height: 160px;
  overflow-y: auto;
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.split-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
  background: rgba(95,165,250,0.07);
  border: 1px solid rgba(95,165,250,0.18);
  border-radius: 6px;
  padding: 4px 8px;
}
.split-num {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 700;
  color: var(--accent);
  min-width: 16px;
  text-align: right;
}
.split-chunk {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.preview-container.drop-highlight-caption::after { background: rgba(245,158,11,0.92); color: #fff; }

/* ── Voice recording (Audio tab) ── */
.record-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.record-time {
  font-family: 'SF Mono', Menlo, monospace;
  font-size: 13px;
  color: var(--text-secondary);
}
#btn-record-toggle.recording {
  background: #e74c3c;
  border-color: #e74c3c;
  color: #fff;
  animation: rec-pulse 1.4s ease-in-out infinite;
}
@keyframes rec-pulse {
  50% { box-shadow: 0 0 0 6px rgba(231, 76, 60, 0.18); }
}