/* ==========================================================================
   Elyriax Video & Vietsub Studio - Remade Pro CapCut / Premiere Web Stylesheet
   Expansive, Large-Scale, Dark Glassmorphism, Theme-Aware & 100% Mobile Ready
   ========================================================================== */

:root {
  --studio-bg: var(--bg, #08090b);
  --studio-surface: var(--surface-solid, #15171b);
  --studio-surface-alt: var(--surface-solid-2, #1b1e23);
  --studio-border: var(--line, rgba(255, 255, 255, 0.08));
  --studio-border-strong: var(--line-strong, rgba(255, 255, 255, 0.16));
  --studio-glass: var(--surface, rgba(255, 255, 255, 0.045));
  --accent-emerald: var(--teal, #34d6b4);
  --accent-emerald-glow: rgba(52, 214, 180, 0.35);
  --accent-indigo: var(--accent, #7c6ff0);
  --accent-indigo-glow: rgba(124, 111, 240, 0.35);
  --accent-amber: var(--amber, #f5a623);
  --accent-rose: var(--rose, #f4586b);
  --text-primary: var(--text, #f0f1f4);
  --text-secondary: var(--text-dim, #989ca6);
  --text-muted: var(--text-faint, #5b5f68);
  --timeline-track-bg: rgba(0, 0, 0, 0.35);
  --timeline-ruler-bg: rgba(0, 0, 0, 0.5);
  --timeline-playhead: var(--rose, #f4586b);
  --sub-chip-bg: rgba(124, 111, 240, 0.22);
  --sub-chip-border: rgba(124, 111, 240, 0.6);
  --sub-chip-active: var(--accent, #7c6ff0);
}

/* Light Theme Variables Adaptation */
html[data-theme-effective="light"] {
  --timeline-track-bg: rgba(0, 0, 0, 0.05);
  --timeline-ruler-bg: rgba(0, 0, 0, 0.08);
  --sub-chip-bg: rgba(124, 111, 240, 0.14);
}

/* Expansive Studio Viewport */
#vietsub-view {
  width: 100%;
}

.studio-main-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

/* Glass Panels */
.glass-panel {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--studio-border);
}

.glass-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--studio-border);
  border-radius: 14px;
}

/* Custom Scrollbars */
.custom-scrollbar::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 4px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: var(--text-faint);
}

/* Sliders */
input[type="range"].studio-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 4px;
  background: var(--line-strong);
  outline: none;
  touch-action: pan-y;
}
input[type="range"].studio-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  cursor: pointer;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.4), 0 0 10px var(--accent-indigo-glow);
  transition: transform 0.15s ease, background 0.15s ease;
}
input[type="range"].studio-slider::-webkit-slider-thumb:hover,
input[type="range"].studio-slider::-webkit-slider-thumb:active {
  transform: scale(1.3);
  background: var(--accent);
}

/* ==========================================================================
   EXPANSIVE VIDEO STAGE & INTERACTIVE BOUNDING BOX
   ========================================================================== */

#video-stage-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  overflow: hidden;
  border-radius: 12px;
  width: 100%;
  min-height: 180px;
  max-height: 68vh;
  padding: 0;
}

.video-wrapper {
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--studio-border);
  border-radius: 12px;
  overflow: hidden;
  background: #000000;
  width: 100%;
  max-height: 68vh;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Blur Box Overlay (Frosted Glass simulation) */
.blur-bounding-box {
  position: absolute;
  cursor: move;
  border: 2px dashed var(--accent);
  background: rgba(124, 111, 240, 0.18);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-sizing: border-box;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
  touch-action: none !important;
  -webkit-user-select: none;
  user-select: none;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.blur-bounding-box.active {
  border-color: #38bdf8;
  border-style: solid;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.5);
}

.blur-bounding-box.disabled {
  display: none !important;
}

/* Simulated Liquid Glass gradient edges */
.blur-bounding-box.liquid-glass-fx::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 35%;
  background: linear-gradient(to bottom, rgba(255,255,255,0.25), transparent);
  pointer-events: none;
  border-top-left-radius: inherit;
  border-top-right-radius: inherit;
}
.blur-bounding-box.liquid-glass-fx::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0; height: 35%;
  background: linear-gradient(to top, rgba(255,255,255,0.25), transparent);
  pointer-events: none;
  border-bottom-left-radius: inherit;
  border-bottom-right-radius: inherit;
}

.blur-box-label {
  position: absolute;
  top: -24px;
  left: 0;
  font-size: 10.5px;
  font-family: 'JetBrains Mono', monospace;
  background: var(--accent);
  color: #ffffff;
  padding: 2px 7px;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  font-weight: 600;
  box-shadow: 0 2px 6px rgba(0,0,0,0.5);
}

/* 8 Resizing Handles */
.resize-handle {
  touch-action: none !important;
  position: absolute;
  width: 14px;
  height: 14px;
  background: #ffffff;
  border: 2px solid var(--accent);
  border-radius: 3px;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.7);
  z-index: 25;
}

.resize-handle::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  right: -12px;
  bottom: -12px;
  background: transparent;
}

.resize-handle:hover,
.resize-handle:active {
  transform: scale(1.4);
  background: #38bdf8;
  border-color: #ffffff;
}

.resize-handle.nw { top: -7px; left: -7px; cursor: nwse-resize; }
.resize-handle.n  { top: -7px; left: calc(50% - 7px); cursor: ns-resize; }
.resize-handle.ne { top: -7px; right: -7px; cursor: nesw-resize; }
.resize-handle.e  { top: calc(50% - 7px); right: -7px; cursor: ew-resize; }
.resize-handle.se { bottom: -7px; right: -7px; cursor: nwse-resize; }
.resize-handle.s  { bottom: -7px; left: calc(50% - 7px); cursor: ns-resize; }
.resize-handle.sw { bottom: -7px; left: -7px; cursor: nesw-resize; }
.resize-handle.w  { top: calc(50% - 7px); left: -7px; cursor: ew-resize; }

/* Subtitle Live Overlay */
.subtitle-live-overlay {
  position: absolute;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: auto;
  cursor: grab;
  z-index: 30;
  width: max-content;
  max-width: 92%;
  padding: 4px 8px;
  border-radius: 4px;
  touch-action: none !important;
  -webkit-user-select: none;
  user-select: none;
  transition: opacity 0.15s ease-out;
}

.subtitle-live-overlay:active {
  cursor: grabbing;
}
.subtitle-live-overlay.dragging {
  outline: 2px dashed var(--teal);
  background: rgba(52, 214, 180, 0.2);
}

.subtitle-live-overlay .sub-text {
  display: inline-block;
  line-height: 1.25;
  word-break: break-word;
  white-space: pre-wrap;
  text-rendering: optimizeLegibility;
}

#blur-bounding-box,
.resize-handle,
#subtitle-live-overlay {
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

#video-stage-container,
.video-wrapper {
  touch-action: none !important;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

/* Watermark Overlay */
.watermark-overlay {
  position: absolute;
  z-index: 28;
  pointer-events: none;
  user-select: none;
}
.watermark-overlay img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* ==========================================================================
   EXPANSIVE TIMELINE TRACK SYSTEM
   ========================================================================== */

#timeline-container {
  background: var(--timeline-track-bg);
  border: 1px solid var(--studio-border);
  border-radius: 12px;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 160px;
}

.timeline-ruler {
  height: 26px;
  background: var(--timeline-ruler-bg);
  border-bottom: 1px solid var(--studio-border);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  touch-action: none;
}

.ruler-tick {
  position: absolute;
  bottom: 0;
  width: 1px;
  background: var(--line);
  height: 8px;
}

.ruler-tick.major {
  height: 15px;
  background: var(--line-strong);
}

.ruler-time-label {
  position: absolute;
  top: 3px;
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-faint);
  transform: translateX(-50%);
  pointer-events: none;
}

/* Playhead Scrubber */
.timeline-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--timeline-playhead);
  z-index: 50;
  pointer-events: none;
  transform: translateX(-50%);
  box-shadow: 0 0 12px rgba(244, 88, 107, 0.7);
}

.playhead-handle {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 15px;
  background: var(--timeline-playhead);
  clip-path: polygon(0 0, 100% 0, 100% 60%, 50% 100%, 0 60%);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

.playhead-time-pill {
  position: absolute;
  top: -19px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--timeline-playhead);
  color: #ffffff;
  font-size: 9.5px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

/* Tracks Area */
.tracks-scroll-area {
  position: relative;
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  cursor: crosshair;
  -webkit-overflow-scrolling: touch;
}

.track-row {
  position: relative;
  height: 48px;
  border-bottom: 1px solid var(--studio-border);
  display: flex;
  align-items: center;
}

.track-label {
  width: 110px;
  height: 100%;
  background: var(--surface-solid, #15171b);
  border-right: 1px solid var(--studio-border);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-dim);
  shrink: 0;
  z-index: 10;
}

@media (max-width: 640px) {
  .track-label {
    width: 75px;
    font-size: 10.5px;
    padding: 0 5px;
  }
}

.track-content {
  position: relative;
  height: 100%;
  flex: 1;
}

/* Waveform Canvas */
.waveform-canvas {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0.75;
}

/* Subtitle Segment Chips */
.segment-chip {
  position: absolute;
  top: 5px;
  bottom: 5px;
  background: var(--sub-chip-bg);
  border: 1.5px solid var(--sub-chip-border);
  border-radius: 7px;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 0 8px;
  color: var(--text);
  font-size: 11.5px;
  font-weight: 500;
  white-space: nowrap;
  text-overflow: ellipsis;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  z-index: 5;
  touch-action: none;
}

.segment-chip:hover {
  background: rgba(124, 111, 240, 0.4);
  border-color: var(--accent);
}

.segment-chip.active {
  background: rgba(124, 111, 240, 0.65);
  border-color: #a5b4fc;
  box-shadow: 0 0 14px rgba(124, 111, 240, 0.6);
  color: #ffffff;
  font-weight: 700;
}

.chip-trim-handle {
  position: absolute;
  top: 0; bottom: 0;
  width: 8px;
  background: transparent;
  cursor: ew-resize;
  touch-action: none;
}
.chip-trim-handle.left { left: 0; }
.chip-trim-handle.right { right: 0; }
.chip-trim-handle:hover,
.chip-trim-handle:active {
  background: #ffffff;
}

/* ==========================================================================
   INSPECTOR DOCK & SCRIPT EDITOR
   ========================================================================= */

.inspector-tab-btn {
  padding: 8px 14px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  cursor: pointer;
}
.inspector-tab-btn:hover {
  color: var(--text);
}
.inspector-tab-btn.active {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

.script-item-card {
  background: var(--surface);
  border: 1px solid var(--studio-border);
  border-radius: 10px;
  padding: 12px;
  transition: all 0.2s ease;
}
.script-item-card:hover {
  border-color: var(--studio-border-strong);
}
.script-item-card.active {
  border-color: var(--accent);
  background: rgba(124, 111, 240, 0.12);
  box-shadow: 0 0 15px rgba(124, 111, 240, 0.18);
}

/* Color Swatches */
.color-swatch-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.color-swatch-btn:hover,
.color-swatch-btn:active {
  transform: scale(1.2);
}
.color-swatch-btn.active {
  border-color: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
}

/* Corner Matrix buttons */
.corner-matrix-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--studio-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  color: var(--text-dim);
}
.corner-matrix-btn:hover {
  background: var(--line-strong);
  color: var(--text);
}
.corner-matrix-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(124, 111, 240, 0.4);
}

/* ==========================================================================
   MODAL & EXPORT DIALOG
   ========================================================================= */

.studio-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.studio-modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.studio-modal-box {
  background: var(--surface-solid, #15171b);
  border: 1px solid var(--studio-border-strong);
  border-radius: 18px;
  width: 100%;
  max-width: 560px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 30px rgba(52, 214, 180, 0.15);
  transform: scale(0.95);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}
.studio-modal-backdrop.open .studio-modal-box {
  transform: scale(1);
}

/* Animated Progress Bar */
.gradient-progress-bar {
  height: 8px;
  background: var(--line);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.gradient-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--accent), #38bdf8);
  background-size: 200% 100%;
  animation: shimmerProgress 2s linear infinite;
  transition: width 0.3s ease-out;
}

@keyframes shimmerProgress {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.export-step-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  font-size: 13px;
  color: var(--text-dim);
}
.export-step-item.active {
  color: var(--text);
  font-weight: 600;
}
.export-step-item.done {
  color: var(--teal);
}
.export-step-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line-strong);
}
.export-step-item.active .export-step-dot {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulseDot 1s infinite alternate;
}
.export-step-item.done .export-step-dot {
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
}

@keyframes pulseDot {
  from { transform: scale(0.9); opacity: 0.7; }
  to { transform: scale(1.3); opacity: 1; }
}