:root, [data-theme="dark"] {
  --bg-app: #080a0f;
  --bg-header: rgba(10, 14, 23, 0.88);
  --bg-surface: rgba(18, 24, 38, 0.7);
  --bg-card: #121826;
  --bg-card-hover: #1c2438;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(235, 0, 41, 0.5);

  --primary: #ff0033;
  --primary-hover: #e6002e;
  --primary-glow: rgba(255, 0, 51, 0.4);
  --primary-grad: linear-gradient(135deg, #ff3366 0%, #ff0033 60%, #cc0029 100%);
  --neo-grad: linear-gradient(135deg, #ff3366 0%, #ff0033 100%);
  --success-grad: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --rose-grad: linear-gradient(135deg, #f43f5e 0%, #d946ef 100%);

  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --text-muted: #64748b;
  --input-bg: rgba(15, 20, 32, 0.9);
  --orb-opacity: 0.22;
  --chip-bg: rgba(255, 255, 255, 0.06);
  --chip-active-bg: #f8fafc;
  --chip-active-text: #080a0f;
  --subbar-bg: rgba(255, 255, 255, 0.03);
  --desc-bg: rgba(255, 255, 255, 0.04);
  --modal-bg: rgba(15, 20, 32, 0.95);
  --modal-card-bg: rgba(255, 255, 255, 0.04);
  --kbd-bg: #1e293b;
  --kbd-text: #a5b4fc;
  --brand-text: #f8fafc;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  --shadow-main: 0 10px 30px -5px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 25px rgba(235, 0, 41, 0.2);

  --font-sans: 'Plus Jakarta Sans', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Normal Theme (Modern Slate / Charcoal / Eye-Comfort) */
[data-theme="normal"] {
  --bg-app: #181d28;
  --bg-header: rgba(24, 29, 40, 0.92);
  --bg-surface: rgba(33, 40, 56, 0.75);
  --bg-card: #202737;
  --bg-card-hover: #2a3348;
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-active: rgba(235, 0, 41, 0.6);

  --text-main: #ffffff;
  --text-sub: #cbd5e1;
  --text-muted: #94a3b8;
  --input-bg: rgba(28, 35, 49, 0.95);
  --orb-opacity: 0.14;
  --chip-bg: rgba(255, 255, 255, 0.08);
  --chip-active-bg: #ffffff;
  --chip-active-text: #181d28;
  --subbar-bg: rgba(255, 255, 255, 0.04);
  --desc-bg: rgba(255, 255, 255, 0.05);
  --modal-bg: rgba(24, 30, 44, 0.96);
  --modal-card-bg: rgba(255, 255, 255, 0.05);
  --kbd-bg: #2d3748;
  --kbd-text: #cbd5e1;
  --brand-text: #ffffff;
}

/* Day Theme (Clean, Crisp High-Contrast Light Theme) */
[data-theme="day"] {
  --bg-app: #f8fafc;
  --bg-header: rgba(255, 255, 255, 0.94);
  --bg-surface: rgba(255, 255, 255, 0.88);
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-active: rgba(235, 0, 41, 0.6);

  --text-main: #0f172a;
  --text-sub: #334155;
  --text-muted: #64748b;
  --input-bg: #ffffff;
  --orb-opacity: 0.06;
  --chip-bg: #f1f5f9;
  --chip-active-bg: #0f172a;
  --chip-active-text: #ffffff;
  --subbar-bg: #f1f5f9;
  --desc-bg: #f1f5f9;
  --modal-bg: #ffffff;
  --modal-card-bg: #f8fafc;
  --kbd-bg: #e2e8f0;
  --kbd-text: #0f172a;
  --brand-text: #0f172a;

  --shadow-main: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

/* Glow Background Orbs */
.glow-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: var(--orb-opacity);
  pointer-events: none;
}

.orb-1 { width: 500px; height: 500px; background: #ff0033; top: -100px; left: 10%; }
.orb-2 { width: 450px; height: 450px; background: #6366f1; top: 35%; right: -50px; }
.orb-3 { width: 550px; height: 550px; background: #8b5cf6; bottom: -100px; left: 30%; }

.app-layout {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Glass Panel Component */
.glass-panel {
  background: var(--bg-surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
}

/* Navbar (neotub Topbar - Flexible Multilingual Layout) */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-header);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-left {
  flex-shrink: 0;
  min-width: max-content;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  user-select: none;
}

.brand-logo {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(235, 0, 41, 0.4), 0 1px 3px rgba(0, 0, 0, 0.5);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-brand:hover .brand-logo {
  transform: translateY(-1px) scale(1.04);
  box-shadow: 0 8px 24px rgba(235, 0, 41, 0.55), 0 2px 6px rgba(0, 0, 0, 0.6);
}

.brand-name {
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -0.05em;
  text-transform: lowercase;
  color: #f8fafc;
  display: flex;
  align-items: center;
}

.brand-accent {
  background: linear-gradient(135deg, #ff2e56 0%, #eb0029 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-left: 0.5px;
}

/* Center Pill Search Box */
.nav-center {
  flex: 1;
  max-width: 600px;
  margin: 0 12px;
  display: flex;
  justify-content: center;
  min-width: 200px;
}

.search-wrapper-container {
  position: relative;
  width: 100%;
  max-width: 620px;
}

.nav-search-box {
  display: flex;
  align-items: center;
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 3px 4px 3px 18px;
  transition: all var(--transition-normal);
}

.nav-search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
  background: var(--bg-card);
}

.search-input-group {
  flex: 1;
  display: flex;
  align-items: center;
  position: relative;
}

#searchInput {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 14px;
  color: var(--text-main);
  padding: 6px 0;
}

#searchInput::placeholder {
  color: var(--text-muted);
}

.clear-input-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 0 8px;
  transition: color var(--transition-fast);
}

.clear-input-btn:hover {
  color: var(--text-main);
}

.voice-search-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.voice-search-btn:hover {
  color: var(--primary);
  background: rgba(255, 0, 51, 0.1);
}

.voice-search-btn.listening {
  color: #ff0033;
  animation: pulseVoice 1.2s infinite;
}

@keyframes pulseVoice {
  0% { transform: scale(1); filter: drop-shadow(0 0 2px #ff0033); }
  50% { transform: scale(1.25); filter: drop-shadow(0 0 10px #ff0033); }
  100% { transform: scale(1); filter: drop-shadow(0 0 2px #ff0033); }
}

.search-submit-btn {
  width: 44px;
  height: 40px;
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  border: none;
  background: var(--primary-gradient);
  color: #fff;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(255, 0, 51, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-submit-btn:hover {
  transform: scale(1.05);
}

/* Autocomplete Suggestions Dropdown */
.suggestions-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: rgba(15, 20, 32, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-main);
  overflow: hidden;
  z-index: 60;
  display: flex;
  flex-direction: column;
}

.suggestion-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  color: var(--text-main);
  font-size: 14px;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.suggestion-item:hover, .suggestion-item.selected {
  background: rgba(99, 102, 241, 0.15);
  color: #c7d2fe;
}

.suggestion-icon {
  color: var(--text-muted);
  font-size: 14px;
}

/* Nav Right Actions */
.nav-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

/* Theme & Language Selectors */
.theme-selector-wrapper,
.lang-selector-wrapper {
  position: relative;
  flex-shrink: 0;
}

.theme-select,
.lang-select {
  appearance: none;
  background: var(--chip-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--text-main);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 700;
  padding: 6px 14px;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.theme-select:hover, .theme-select:focus,
.lang-select:hover, .lang-select:focus {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-glow);
}

.theme-select option,
.lang-select option {
  background: var(--bg-card);
  color: var(--text-main);
}

.shield-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  color: #34d399;
  white-space: nowrap;
  flex-shrink: 0;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulseAnim 2s infinite;
  flex-shrink: 0;
}

@keyframes pulseAnim {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.icon-nav-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-sub);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.icon-nav-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.install-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--text-main);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.install-pill-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* Category Filter Chips Bar (Sticky) */
.category-bar {
  position: sticky;
  top: 57px;
  z-index: 40;
  background: rgba(8, 10, 15, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 10px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.chips-scroll-container {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  max-width: 1540px;
  margin: 0 auto;
}

.chips-scroll-container::-webkit-scrollbar {
  display: none;
}

.chip {
  padding: 7px 16px;
  background: var(--chip-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--text-sub);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.chip:hover {
  background: var(--bg-card-hover);
  color: var(--text-main);
}

.chip.active {
  background: var(--chip-active-bg);
  color: var(--chip-active-text);
  border-color: transparent;
  font-weight: 700;
}

.chip-special {
  border-color: rgba(244, 63, 94, 0.3);
  color: #fda4af;
}

.chip-special:hover {
  background: rgba(244, 63, 94, 0.15);
  color: #f43f5e;
}

/* Main Content Wrapper */
.content-wrapper {
  max-width: 1540px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px 80px;
  flex: 1;
}

/* Top Loader */
.top-loader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
  z-index: 100;
  overflow: hidden;
}

.top-loader-glow {
  width: 40%;
  height: 100%;
  background: var(--primary-grad);
  box-shadow: 0 0 12px var(--primary);
  animation: loaderMove 1s infinite ease-in-out;
}

@keyframes loaderMove {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ========================================================
   Watch View (YouTube 2-Column Theater Layout)
   ======================================================== */
.watch-view {
  margin-bottom: 48px;
  scroll-margin-top: 120px;
}

.watch-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
  align-items: start;
}

.watch-main {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.player-aspect-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-main);
}

.player-inner {
  width: 100%;
  height: 100%;
}

#ytPlayerContainer,
#embedFrame,
#nativeVideo {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.hidden-player {
  display: none !important;
}

/* Player Sub-Bar (Speed Chips & AutoPlay) */
.player-subbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  flex-wrap: wrap;
  gap: 12px;
}

.speed-control-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.subbar-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.speed-btn {
  padding: 3px 9px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--text-sub);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.speed-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
}

.speed-btn.active {
  background: var(--primary-grad);
  color: #fff;
  border-color: transparent;
}

.autoplay-toggle-group {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

/* Ad Skipper Badge */
.ad-skipper-overlay {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 20;
  background: rgba(15, 20, 32, 0.9);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(244, 63, 94, 0.4);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: #fb7185;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
  animation: fadeInDown 0.25s ease-out;
}

.skip-bolt {
  font-size: 14px;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Video Metadata & Actions */
.video-meta-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.video-main-title {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--text-main);
}

.channel-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.channel-info-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.channel-avatar-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--chip-bg);
  border: 2px solid var(--border-active);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  cursor: pointer;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.channel-avatar-circle:hover {
  transform: scale(1.08);
  border-color: var(--primary);
}

.channel-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.channel-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.channel-title:hover {
  color: var(--primary);
  text-decoration: underline;
}

.shield-tag {
  font-size: 12px;
  font-weight: 600;
  color: #34d399;
}

.action-buttons-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--primary-grad);
  color: #fff;
  box-shadow: 0 3px 12px rgba(255, 0, 51, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 18px rgba(255, 0, 51, 0.5);
}

.btn-success {
  background: var(--success-grad);
  color: #fff;
  box-shadow: 0 3px 12px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 18px rgba(16, 185, 129, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-secondary.favorited {
  background: rgba(244, 63, 94, 0.2);
  border-color: #f43f5e;
  color: #f43f5e;
}

/* Sponsor Switch */
.sponsor-pill-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  white-space: nowrap;
  flex-shrink: 0;
}

.switch {
  position: relative;
  display: inline-block;
  width: 32px;
  height: 18px;
}

.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(255, 255, 255, 0.2);
  transition: .3s;
}
.slider:before {
  position: absolute; content: ""; height: 12px; width: 12px; left: 3px; bottom: 3px;
  background-color: white; transition: .3s;
}
input:checked + .slider { background-color: #10b981; }
input:checked + .slider:before { transform: translateX(14px); }
.slider.round { border-radius: 20px; }
.slider.round:before { border-radius: 50%; }

.sponsor-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-sub);
}

/* Video Description Box */
.video-description-card {
  background: var(--desc-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background var(--transition-fast);
}

.video-description-card:hover {
  background: var(--bg-card-hover);
}

.desc-text-collapsed {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.desc-text-expanded {
  font-size: 13px;
  color: var(--text-main);
  line-height: 1.6;
  display: block;
}

.toggle-desc-btn {
  background: transparent;
  border: none;
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  align-self: flex-start;
  padding: 2px 0;
}

/* ========================================================
   Related Videos Sidebar (Up Next)
   ======================================================== */
.watch-sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sidebar-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  padding-bottom: 4px;
}

.sidebar-heading {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0;
}

.sidebar-filter-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sidebar-tab-btn {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--border-subtle);
  background: var(--chip-bg);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-tab-btn:hover {
  background: var(--chip-hover);
  color: var(--text-main);
}

.sidebar-tab-btn.active {
  background: var(--primary-grad);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 2px 8px rgba(255, 0, 51, 0.3);
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.related-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  background: transparent;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: background var(--transition-fast);
  padding: 4px;
}

.related-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.related-thumb-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #000;
}

.related-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.duration-tag {
  position: absolute;
  bottom: 4px;
  right: 4px;
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 4px;
  border-radius: 3px;
}

.related-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.related-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-channel {
  font-size: 11px;
  color: var(--text-sub);
}

.related-meta {
  font-size: 11px;
  color: var(--text-muted);
}

/* ========================================================
   Video Grid (Home Feed & Search Results)
   ======================================================== */
.feed-section {
  margin-bottom: 48px;
}

.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.feed-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.fire-icon, .clock-icon, .heart-icon {
  font-size: 20px;
}

.feed-title {
  font-size: 20px;
  font-weight: 800;
}

.feed-meta {
  font-size: 13px;
  color: var(--text-muted);
}

.clear-history-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.clear-history-btn:hover {
  color: #f43f5e;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px 20px;
}

.video-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  cursor: pointer;
  transition: transform var(--transition-fast);
  border-radius: var(--radius-md);
  padding: 6px;
}

.video-card:hover {
  transform: translateY(-4px);
}

.card-thumb-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

.card-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.video-card:hover .card-thumb-img {
  transform: scale(1.04);
}

.card-time-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
}

.card-meta-box {
  display: flex;
  gap: 12px;
}

.card-channel-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00f2fe, #6366f1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.card-text-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.card-title-text {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-channel-name {
  font-size: 12px;
  color: var(--text-sub);
}

.card-info-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.dot-sep {
  font-size: 8px;
}

/* ========================================================
   Skeleton Shimmer Loading Animation
   ======================================================== */
.skeleton-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 6px;
}

.skeleton-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, #121826 25%, #1e293b 50%, #121826 75%);
  background-size: 200% 100%;
  animation: shimmerAnim 1.5s infinite;
}

.skeleton-body {
  display: flex;
  gap: 12px;
}

.skeleton-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #1e293b;
  flex-shrink: 0;
}

.skeleton-lines {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.skeleton-line {
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(90deg, #121826 25%, #1e293b 50%, #121826 75%);
  background-size: 200% 100%;
  animation: shimmerAnim 1.5s infinite;
}

@keyframes shimmerAnim {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========================================================
   Floating Mini Player Dock (Clean Video-Only)
   ======================================================== */
.floating-mini-player {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 320px;
  background: #000;
  border: 2px solid var(--border-active);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6), 0 0 24px rgba(255, 0, 51, 0.35);
  z-index: 90;
  display: flex;
  flex-direction: column;
  animation: slideUpMini 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-mini-player:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.7), 0 0 32px rgba(255, 0, 51, 0.5);
}

.mini-close-overlay {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 18px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.mini-close-overlay:hover {
  background: #ff0033;
  border-color: #ff0033;
  transform: scale(1.15);
}

.mini-viewport {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

/* ========================================================
   Modals
   ======================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-window {
  width: 100%;
  max-width: 480px;
  background: var(--modal-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  animation: modalPop 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

.modal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-hero-icon {
  font-size: 22px;
}

.modal-top h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-main);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.modal-close-btn:hover {
  color: var(--text-main);
}

.modal-target-title {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 18px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-dl-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  background: var(--modal-card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.modal-dl-card:hover {
  background: rgba(255, 0, 51, 0.12);
  border-color: #ff0033;
  transform: translateY(-1px);
}

.dl-card-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.dl-main-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
}

.dl-sub-label {
  font-size: 12px;
  color: var(--text-muted);
}

.dl-pill-btn {
  padding: 6px 16px;
  background: var(--primary-grad);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Shortcuts Window */
.shortcuts-grid {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--modal-card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
}

kbd {
  background: var(--kbd-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--kbd-text);
}

/* Mobile Bottom Navigation Bar */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 14, 23, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-subtle);
  z-index: 50;
  padding: 6px 0;
}

.mobile-nav-item {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.mobile-nav-item.active {
  color: #00f2fe;
}

/* Footer */
.footer {
  margin-top: auto;
  padding: 32px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}

.footer-brand {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--neo-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.hidden {
  display: none !important;
}

/* ========================================================
   Responsive Breakpoints (Mobile, Tablet, Desktop)
   ======================================================== */
@media (max-width: 1024px) {
  .navbar {
    padding: 10px 18px;
    gap: 12px;
  }

  .watch-layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .video-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px 16px;
  }
}

@media (max-width: 768px) {
  /* 2-Row Mobile Header: Row 1 = Logo + Controls, Row 2 = Full Width Search Bar */
  .navbar {
    height: auto !important;
    padding: 8px 12px 10px !important;
    flex-wrap: wrap !important;
    row-gap: 8px !important;
  }

  .nav-left {
    flex: 1;
    min-width: auto;
    display: flex;
    align-items: center;
  }

  .brand-logo {
    width: 32px;
    height: 32px;
    border-radius: 10px;
  }

  .brand-logo svg {
    width: 26px;
    height: 26px;
  }

  .brand-name {
    display: block;
    font-size: 17px;
  }

  .nav-right {
    flex: 0 0 auto;
    gap: 6px;
  }

  .shield-badge,
  #shortcutsBtn,
  #navLibraryBtn,
  #installAppBtn {
    display: none !important;
  }

  /* Full Width Row 2 Search Bar */
  .nav-center {
    width: 100% !important;
    order: 3 !important;
    max-width: 100% !important;
    margin: 0 !important;
  }

  .search-wrapper-container {
    width: 100%;
  }

  .nav-search-box {
    width: 100%;
    height: 42px;
    background: rgba(255, 255, 255, 0.08);
  }

  .category-bar {
    top: 98px !important;
    padding: 8px 12px;
  }

  .content-wrapper {
    padding: 12px 12px 80px;
  }

  .action-buttons-group {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    flex-wrap: nowrap;
    padding-bottom: 4px;
  }

  .action-buttons-group::-webkit-scrollbar {
    display: none;
  }

  .video-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .mobile-bottom-bar {
    display: flex;
    align-items: center;
    justify-content: space-around;
    height: 56px;
    padding: 0;
  }

  .mobile-nav-item {
    padding: 6px 0;
    gap: 2px;
    font-size: 10px;
  }

  .floating-mini-player {
    width: 220px;
    bottom: 66px;
    right: 10px;
  }
}

@media (max-width: 480px) {
  .theme-select,
  .lang-select {
    padding: 4px 6px;
    font-size: 11px;
  }

  .category-bar {
    top: 94px;
  }
}