/**
 * ============================================================================
 * CINEMATIC VIDEO PREVIEW & PLAYER - STYLESHEET
 * ============================================================================
 * Modern, aesthetic theme with Light Mode (Default) & Dark Mode toggle.
 * Theater Mode & Lights Off Cinematic Dimmer included.
 * Zero external CSS frameworks required.
 * ============================================================================
 */

/* --------------------------------------------------------------------------
   1. CSS VARIABLES & DUAL-THEME DESIGN SYSTEM
   -------------------------------------------------------------------------- */
:root {
  /* DARK MODE (DEFAULT) */
  --bg-base: #07080c;
  --bg-surface: #0e1118;
  --bg-surface-elevated: #151924;
  --bg-card: rgba(18, 22, 33, 0.75);
  --bg-card-hover: rgba(24, 30, 45, 0.9);
  
  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(255, 255, 255, 0.18);
  --border-glow: rgba(99, 102, 241, 0.4);

  /* Typography Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-inverse: #07080c;

  /* Accent & Status Colors */
  --accent-primary: #6366f1; /* Modern Indigo */
  --accent-secondary: #06b6d4; /* Vivid Cyan */
  --accent-gradient: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --accent-glow: 0 0 28px rgba(99, 102, 241, 0.45);
  
  --status-preview-bg: rgba(245, 158, 11, 0.12);
  --status-preview-text: #fbbf24;
  --status-preview-border: rgba(245, 158, 11, 0.25);
  
  --fb-blue: #1877f2;
  --fb-blue-hover: #166fe5;

  /* Geometry & Layout */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.65);
  --shadow-cinema: 0 20px 60px -10px rgba(0, 0, 0, 0.85), 0 0 50px -10px rgba(99, 102, 241, 0.15);

  /* Smooth Easing Transitions */
  --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 160ms var(--ease-smooth);
  --transition-smooth: 260ms var(--ease-smooth);
  --transition-slow: 400ms var(--ease-smooth);

  /* Fonts */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* LIGHT MODE OVERRIDE */
[data-theme="light"] {
  --bg-base: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.94);
  --bg-card-hover: #ffffff;
  
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-active: rgba(15, 23, 42, 0.18);
  --border-glow: rgba(99, 102, 241, 0.35);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --text-inverse: #ffffff;

  --status-preview-bg: rgba(245, 158, 11, 0.12);
  --status-preview-text: #b45309;
  --status-preview-border: rgba(245, 158, 11, 0.3);

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  --shadow-cinema: 0 20px 50px -10px rgba(15, 23, 42, 0.18), 0 0 35px -5px rgba(99, 102, 241, 0.12);
}

/* --------------------------------------------------------------------------
   2. GLOBAL RESETS & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.1), transparent),
    radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.05), transparent),
    var(--bg-base);
  overflow-x: hidden;
  padding-bottom: env(safe-area-inset-bottom, 0);
  transition: background var(--transition-smooth);
}

:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

/* --------------------------------------------------------------------------
   3. LAYOUT CONTAINER & THEATER MODE
   -------------------------------------------------------------------------- */
.app-container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  transition: max-width var(--transition-smooth), padding var(--transition-smooth);
}

/* Theater Mode Styles */
body.is-theater .app-container {
  max-width: 100%;
  padding: 0;
}

body.is-theater .site-header {
  max-width: 1180px;
  margin: 0 auto 1rem auto;
  padding: 1rem 1.25rem;
}

body.is-theater .player-stage {
  max-width: 100%;
  margin-bottom: 2rem;
}

body.is-theater .custom-player-wrapper {
  border-radius: 0;
  max-height: calc(100vh - 110px);
  height: 75vh;
  aspect-ratio: auto;
  border-left: none;
  border-right: none;
}

body.is-theater .video-info-section,
body.is-theater .site-footer {
  max-width: 1180px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* --------------------------------------------------------------------------
   4. LIGHTS OFF CINEMATIC DIMMER
   -------------------------------------------------------------------------- */
.lights-off-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

body.is-lights-off .lights-off-backdrop {
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
}

body.is-lights-off .player-stage {
  z-index: 50;
  position: relative;
}

body.is-lights-off .player-stage::before {
  opacity: 0.9;
  filter: blur(50px);
}

/* --------------------------------------------------------------------------
   5. HEADER / NAVBAR & THEME TOGGLE
   -------------------------------------------------------------------------- */
.site-header {
  padding: 1.25rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.75rem;
  transition: padding var(--transition-smooth);
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand-logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 2px;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.35));
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.brand-logo-img:hover {
  transform: scale(1.08);
  border-color: var(--border-active);
}

.brand-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
  color: #fff;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.brand-icon:hover {
  transform: scale(1.06);
}

.brand-icon svg {
  width: 20px;
  height: 20px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-subtitle {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-right-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
}

/* Theme Toggle Button (Light/Dark) - High Visibility on Mobile */
.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-active);
  color: var(--text-primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
  transform: scale(1.08);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  display: block;
  flex-shrink: 0;
}

/* Sun Icon (shown in Dark Mode) - Glowing Warm Amber */
.icon-theme-sun {
  display: block;
  color: #fbbf24;
  filter: drop-shadow(0 0 4px rgba(251, 191, 36, 0.4));
}

/* Moon Icon (shown in Light Mode) - Sleek Indigo */
.icon-theme-moon {
  display: none;
  color: #6366f1;
}

[data-theme="light"] .icon-theme-sun {
  display: none;
}

[data-theme="light"] .icon-theme-moon {
  display: block;
}

.header-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--status-preview-bg);
  color: var(--status-preview-text);
  border: 1px solid var(--status-preview-border);
  backdrop-filter: blur(8px);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: currentColor;
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background-color: currentColor;
  opacity: 0.4;
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(2.2); opacity: 0; }
}

/* --------------------------------------------------------------------------
   6. MAIN VIDEO STAGE & AMBIENT GLOW
   -------------------------------------------------------------------------- */
.player-stage {
  position: relative;
  width: 100%;
  margin-bottom: 2rem;
  transition: max-width var(--transition-smooth), margin var(--transition-smooth);
}

.player-stage::before {
  content: '';
  position: absolute;
  inset: 2%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, rgba(6, 182, 212, 0.08) 50%, transparent 70%);
  filter: blur(45px);
  z-index: 0;
  pointer-events: none;
  border-radius: var(--radius-xl);
  animation: ambientBreath 8s ease-in-out infinite alternate;
}

@keyframes ambientBreath {
  0% { opacity: 0.7; transform: scale(0.98); }
  100% { opacity: 1; transform: scale(1.02); }
}

.custom-player-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #000;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-cinema);
  border: 1px solid var(--border-subtle);
  user-select: none;
  -webkit-user-select: none;
  z-index: 1;
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth), border-radius var(--transition-smooth);
}

.custom-player-wrapper:hover {
  border-color: var(--border-active);
}

/* Fullscreen adjustments */
.custom-player-wrapper:fullscreen,
.custom-player-wrapper:-webkit-full-screen {
  border-radius: 0;
  border: none;
  width: 100vw;
  height: 100vh;
  max-width: none;
  aspect-ratio: auto;
}

.video-element {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background-color: #000;
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   7. PLAYER OVERLAYS (Play, Buffering, Errors, Double-Tap)
   -------------------------------------------------------------------------- */
/* Center Big Play Button */
.player-center-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 5;
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.big-play-btn {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: rgba(14, 17, 24, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.65), var(--accent-glow);
  pointer-events: auto;
  transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.big-play-btn svg {
  width: 32px;
  height: 32px;
  margin-left: 4px; /* optical center */
  fill: currentColor;
}

.big-play-btn:hover {
  transform: scale(1.12);
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.big-play-btn:active {
  transform: scale(0.95);
}

.custom-player-wrapper.is-playing .player-center-overlay {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.9);
}

/* Buffering Spinner */
.buffering-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  z-index: 6;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.custom-player-wrapper.is-buffering .buffering-overlay {
  opacity: 1;
}

.spinner {
  width: 52px;
  height: 52px;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--accent-primary);
  border-right-color: var(--accent-secondary);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.3);
}

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

/* Double-tap Skip Indicator Overlay */
.skip-indicator-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  pointer-events: none;
  z-index: 7;
}

.skip-side {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.25), transparent 70%);
  transition: opacity var(--transition-fast);
}

.skip-side.active {
  animation: skipFeedback 0.65s ease-out forwards;
}

.skip-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  background: rgba(14, 17, 24, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}

.skip-badge svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

@keyframes skipFeedback {
  0% { opacity: 0; transform: scale(0.85); }
  35% { opacity: 1; transform: scale(1.06); }
  100% { opacity: 0; transform: scale(1.15); }
}

/* Error State Overlay */
.player-error-overlay {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(14, 17, 24, 0.96);
  backdrop-filter: blur(14px);
  padding: 2rem;
  text-align: center;
  z-index: 10;
}

.custom-player-wrapper.has-error .player-error-overlay {
  display: flex;
}

.error-card {
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}

.error-icon-box {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #ef4444;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.2);
}

.error-icon-box svg {
  width: 28px;
  height: 28px;
}

.error-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.error-desc {
  font-size: 0.875rem;
  color: #94a3b8;
  line-height: 1.55;
}

.error-retry-btn {
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-gradient);
  color: #fff;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.error-retry-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

/* --------------------------------------------------------------------------
   8. CUSTOM CONTROL BAR
   -------------------------------------------------------------------------- */
.player-controls-container {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 8;
  padding: 1.75rem 1.15rem 0.9rem 1.15rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.5) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  opacity: 1;
  visibility: visible;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth), transform var(--transition-smooth);
}

/* Auto-hide controls when playing and inactive */
.custom-player-wrapper.is-playing.controls-hidden {
  cursor: none;
}

.custom-player-wrapper.is-playing.controls-hidden .player-controls-container {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
}

/* --- Interactive Scrub Bar --- */
.scrub-bar-container {
  position: relative;
  width: 100%;
  height: 22px;
  display: flex;
  align-items: center;
  cursor: pointer;
  touch-action: none;
}

.scrub-track-bg {
  position: relative;
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  overflow: hidden;
  transition: height var(--transition-fast);
}

.scrub-bar-container:hover .scrub-track-bg,
.scrub-bar-container.is-scrubbing .scrub-track-bg {
  height: 8px;
}

.scrub-track-buffer {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  pointer-events: none;
  transition: width 200ms ease;
}

.scrub-track-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: var(--accent-gradient);
  border-radius: 999px;
  pointer-events: none;
}

.scrub-thumb {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.7), 0 0 12px var(--accent-primary);
  transform: translate(-50%, -50%) scale(0);
  pointer-events: none;
  transition: transform var(--transition-fast);
}

.scrub-bar-container:hover .scrub-thumb,
.scrub-bar-container.is-scrubbing .scrub-thumb {
  transform: translate(-50%, -50%) scale(1);
}

/* Scrub Hover Time Tooltip */
.scrub-tooltip {
  position: absolute;
  bottom: 28px;
  left: 0%;
  transform: translateX(-50%);
  background: rgba(14, 17, 24, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 600;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.scrub-bar-container:hover .scrub-tooltip {
  opacity: 1;
  visibility: visible;
}

/* --- Control Buttons Row --- */
.controls-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.controls-left, .controls-right {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.player-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  opacity: 0.92;
  transition: opacity var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.player-btn:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.16);
  transform: scale(1.08);
}

.player-btn:active {
  transform: scale(0.94);
}

.player-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Active State for Theater / Lights Off */
.player-btn.active {
  color: var(--accent-secondary);
  background: rgba(6, 182, 212, 0.2);
}

/* Volume Control Wrapper */
.volume-group {
  display: flex;
  align-items: center;
  position: relative;
}

.volume-slider-box {
  width: 0;
  overflow: hidden;
  transition: width var(--transition-smooth), opacity var(--transition-smooth);
  opacity: 0;
  display: flex;
  align-items: center;
}

.volume-group:hover .volume-slider-box,
.volume-group:focus-within .volume-slider-box {
  width: 76px;
  opacity: 1;
  margin-left: 0.35rem;
}

.volume-range-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  outline: none;
  cursor: pointer;
}

.volume-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.6);
  cursor: pointer;
}

.volume-range-input::-moz-range-thumb {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: #fff;
  border: none;
  cursor: pointer;
}

/* Time Indicator */
.time-indicator {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  margin-left: 0.4rem;
  white-space: nowrap;
}

.time-indicator .current-time {
  color: #fff;
  font-weight: 600;
}

/* Speed / Settings Popup */
.speed-dropdown-wrapper {
  position: relative;
}

.speed-badge-btn {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  min-width: 44px;
  text-align: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.speed-badge-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: scale(1.05);
}

.speed-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  background: rgba(14, 17, 24, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 0.35rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 20;
  min-width: 96px;
}

.speed-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.speed-option-btn {
  padding: 0.45rem 0.8rem;
  font-size: 0.78rem;
  font-weight: 500;
  text-align: left;
  border-radius: var(--radius-sm);
  color: #94a3b8;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.speed-option-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.speed-option-btn.active {
  background: rgba(99, 102, 241, 0.25);
  color: var(--accent-primary);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   9. VIDEO INFORMATION & METADATA SECTION
   -------------------------------------------------------------------------- */
.video-info-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
  transition: opacity var(--transition-smooth);
}

.info-card-main {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth), background-color var(--transition-smooth);
}

.info-card-main:hover {
  border-color: var(--border-active);
  box-shadow: var(--shadow-lg);
}

.info-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.title-version-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
  min-width: 260px;
}

.project-client-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-secondary);
}

.main-video-title {
  font-size: clamp(1.35rem, 3vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--text-primary);
}

.badge-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.version-pill {
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* Metadata Chips Bar */
.metadata-chips-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

/* Facebook Editor Badge */
.editor-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.editor-chip:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
}

.editor-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
}

.editor-avatar-img {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--border-active);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.editor-chip:hover .editor-avatar-img {
  transform: scale(1.12);
  border-color: var(--accent-primary);
}

.footer-avatar-img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-subtle);
  vertical-align: middle;
}

.editor-name-label {
  color: var(--text-secondary);
}

.editor-name-strong {
  color: var(--text-primary);
  font-weight: 600;
}

.facebook-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #0284c7;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(2, 132, 199, 0.1);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

[data-theme="dark"] .facebook-link-btn {
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
}

.facebook-link-btn:hover {
  background: var(--fb-blue);
  color: #fff;
  transform: scale(1.04);
}

.facebook-link-btn:active {
  transform: scale(0.96);
}

.facebook-link-btn svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* Timestamp & File Size Chips */
.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.meta-chip svg {
  width: 15px;
  height: 15px;
  color: var(--text-tertiary);
}

.meta-chip-value {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Description Card */
.video-desc-box {
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.35rem;
  border: 1px solid var(--border-subtle);
}

.desc-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: 0.45rem;
}

.desc-body {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Action Buttons Bar */
.action-buttons-grid {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.action-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.action-btn:active {
  transform: translateY(0);
}

.action-btn svg {
  width: 16px;
  height: 16px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.action-btn:hover svg {
  color: var(--text-primary);
}

.action-btn.btn-primary {
  background: var(--accent-gradient);
  border: none;
  color: #fff;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.35);
}

.action-btn.btn-primary:hover {
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.55);
}

.action-btn.btn-primary svg {
  color: #fff;
}

/* Download Button Styling */
.action-btn.btn-download {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  color: #059669;
}

[data-theme="dark"] .action-btn.btn-download {
  color: #34d399;
}

.action-btn.btn-download:hover {
  background: rgba(16, 185, 129, 0.22);
  border-color: #10b981;
  box-shadow: 0 4px 18px rgba(16, 185, 129, 0.3);
  color: #047857;
}

[data-theme="dark"] .action-btn.btn-download:hover {
  color: #fff;
}

.action-btn.btn-download svg {
  color: #059669;
}

[data-theme="dark"] .action-btn.btn-download svg {
  color: #34d399;
}

.download-size-badge {
  font-size: 0.72rem;
  opacity: 0.85;
  font-family: var(--font-mono);
  font-weight: 600;
  margin-left: 0.2rem;
}

/* --------------------------------------------------------------------------
   10. RESUME PLAYBACK BANNER / TOAST
   -------------------------------------------------------------------------- */
.resume-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 0.8rem 1.35rem;
  box-shadow: var(--shadow-md);
  margin-bottom: 1.5rem;
  animation: fadeIn 300ms ease-out;
}

.resume-banner.visible {
  display: flex;
}

.resume-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.resume-text strong {
  color: var(--text-primary);
}

.resume-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.resume-btn-confirm {
  padding: 0.38rem 0.85rem;
  background: var(--accent-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  transition: transform var(--transition-fast);
}

.resume-btn-confirm:hover {
  transform: scale(1.05);
}

.resume-btn-dismiss {
  padding: 0.38rem 0.65rem;
  color: var(--text-tertiary);
  font-size: 0.75rem;
}

.resume-btn-dismiss:hover {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   11. TOAST NOTIFICATION
   -------------------------------------------------------------------------- */
.toast-box {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-surface-elevated);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-active);
  color: var(--text-primary);
  padding: 0.8rem 1.35rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  z-index: 100;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.toast-box.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.toast-icon {
  color: #10b981;
}

/* --------------------------------------------------------------------------
   12. MODAL DIALOG (Shortcuts Cheat Sheet)
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

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

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 480px;
  padding: 1.85rem;
  box-shadow: var(--shadow-lg);
  transform: scale(0.92);
  transition: transform var(--transition-smooth);
}

.modal-backdrop.open .modal-card {
  transform: scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.35rem;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close-btn {
  color: var(--text-tertiary);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
}

.shortcuts-grid {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-elevated);
  transition: background var(--transition-fast);
}

.shortcut-row:hover {
  background: var(--bg-card-hover);
}

.shortcut-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.shortcut-keys {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

kbd {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* --------------------------------------------------------------------------
   13. FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  margin-top: auto;
  padding: 2.2rem 0;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-tertiary);
  transition: border-color var(--transition-smooth);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-link {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   14. RESPONSIVE BREAKPOINTS (320px to 1920px+)
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Tablet & Mobile Screens */
@media (max-width: 768px) {
  .app-container {
    padding: 0 0.85rem;
  }

  .site-header {
    padding: 0.9rem 0;
    margin-bottom: 1.25rem;
  }

  .brand-logo-img {
    width: 36px;
    height: 36px;
  }

  .brand-title {
    font-size: 0.88rem;
  }

  .info-card-main {
    padding: 1.25rem;
    gap: 1.15rem;
  }

  .metadata-chips-bar {
    gap: 0.75rem;
  }

  .big-play-btn {
    width: 62px;
    height: 62px;
  }

  .big-play-btn svg {
    width: 26px;
    height: 26px;
  }

  .player-controls-container {
    padding: 1.25rem 0.75rem 0.6rem 0.75rem;
  }

  .player-btn {
    width: 34px;
    height: 34px;
  }

  .player-btn svg {
    width: 18px;
    height: 18px;
  }

  .time-indicator {
    font-size: 0.74rem;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1.6rem 0;
  }
}

/* Small Mobile Screens (320px to 480px) */
@media (max-width: 480px) {
  .app-container {
    padding: 0 0.65rem;
  }

  .site-header {
    padding: 0.75rem 0;
    gap: 0.4rem;
  }

  .brand-group {
    gap: 0.45rem;
    flex: 1;
    min-width: 0;
  }

  .brand-logo-img {
    width: 32px;
    height: 32px;
  }

  .brand-title {
    font-size: 0.8rem;
    max-width: 130px;
  }

  .brand-subtitle {
    font-size: 0.58rem;
    max-width: 130px;
  }

  .header-right-group {
    gap: 0.35rem;
    flex-shrink: 0;
  }

  .theme-toggle-btn {
    width: 34px;
    height: 34px;
    min-width: 34px;
  }

  .theme-toggle-btn svg {
    width: 16px;
    height: 16px;
  }

  .header-status-badge {
    padding: 0.22rem 0.5rem;
    font-size: 0.68rem;
  }

  .skip-btn-10s,
  .btn-theater,
  .btn-lights-off {
    display: none; /* Hidden on mobile to keep controls compact */
  }

  .volume-slider-box {
    display: none; /* Mobile hardware buttons */
  }

  .action-buttons-grid {
    flex-direction: column;
    width: 100%;
  }

  .action-btn {
    width: 100%;
    justify-content: center;
  }

  .toast-box {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    text-align: center;
    justify-content: center;
  }
}