/* SyncCinema Modern Dark Theme */
:root {
  --bg-main: #0d0f14;
  --bg-card: #151821;
  --bg-card-hover: #1e222e;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.35);
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
  --border: #232838;
  --success: #10b981;
  --warning: #f59e0b;
  --radius: 12px;
}

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

body.dark-theme {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border);
  height: 64px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-icon-netflix {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(229, 9, 20, 0.4);
  display: inline-block;
  vertical-align: middle;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
}

.logo-icon-netflix:hover {
  transform: scale(1.15) rotate(-2deg);
  box-shadow: 0 4px 18px rgba(229, 9, 20, 0.7);
}

.logo-text strong {
  color: var(--accent);
}

.room-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.room-badge {
  background: var(--bg-main);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.9rem;
}

.room-badge strong {
  color: var(--accent);
  letter-spacing: 1px;
}

.sync-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot.green {
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.dot.yellow {
  background-color: var(--warning);
  box-shadow: 0 0 8px var(--warning);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.users-count {
  background: var(--border);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.85rem;
}

/* Main Cinema Layout with Collapsible Sidebar */
.cinema-grid {
  display: flex;
  gap: 16px;
  padding: 16px 24px;
  height: calc(100vh - 64px);
  overflow: hidden;
  position: relative;
}

/* Player Wrapper - Expands smoothly when sidebar collapses */
.player-wrapper {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: flex 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.video-container {
  position: relative;
  flex: 1;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

#video-player {
  width: 100%;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
}

.player-embed-wrap {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  background: #000;
  overflow: hidden;
}

#youtube-container iframe,
#youtube-player {
  width: 100%;
  height: calc(100% + 64px);
  margin-bottom: -64px;
  border: none;
}

.video-title-bar {
  position: absolute;
  top: 12px;
  left: 16px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: #fff;
  z-index: 10;
  pointer-events: none;
  max-width: 80%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 15, 20, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 20;
}

.placeholder-content {
  text-align: center;
  max-width: 400px;
  padding: 24px;
}

.placeholder-content .icon {
  font-size: 3rem;
  margin-bottom: 12px;
  display: inline-block;
}

.placeholder-content h3 {
  margin-bottom: 8px;
}

.placeholder-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

/* Custom Controls */
.cinema-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
}

.controls-left, .controls-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.controls-center {
  flex: 1;
  display: flex;
  align-items: center;
}

#seek-bar {
  width: 100%;
  cursor: pointer;
  accent-color: var(--accent);
}

.time-display {
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
}

.quality-selector-box {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.select-dropdown {
  background: var(--bg-main);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 5px 8px;
  border-radius: 6px;
  outline: none;
  font-size: 0.85rem;
  cursor: pointer;
}

.volume-box {
  display: flex;
  align-items: center;
  gap: 6px;
}

#volume-slider {
  width: 70px;
  cursor: pointer;
  accent-color: var(--accent);
}

/* Sidebar Wrapper */
/* Sidebar Wrapper - Smooth collapse & expand animations */
.sidebar-wrapper {
  flex: 0 0 340px;
  width: 340px;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              max-width 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              flex-basis 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              margin-right 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.25s ease,
              transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: width, max-width, flex-basis, transform, opacity;
  overflow: hidden;
}

/* When collapsed, sidebar shrinks smoothly to 0 and player takes 100% */
.cinema-grid.sidebar-collapsed .sidebar-wrapper {
  flex: 0 0 0px;
  width: 0;
  max-width: 0;
  margin-right: -16px;
  opacity: 0;
  transform: translateX(30px);
  pointer-events: none;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.chat-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.sidebar-header h3 {
  font-size: 1rem;
  margin-bottom: 0;
  color: var(--text-primary);
}

.sidebar-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.btn-close-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  font-size: 0.85rem;
  border-radius: 6px;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-close-panel:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: var(--border);
}

/* Floating Reopen Button when Sidebar is Collapsed */
.floating-sidebar-toggle {
  position: absolute;
  top: 24px;
  right: 12px;
  z-index: 45;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.floating-sidebar-toggle:hover {
  transform: scale(1.1);
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.floating-sidebar-toggle.hidden {
  display: none !important;
}

/* Active Button Indicator for PIP & Sidebar */
#btn-pip.active,
#btn-toggle-sidebar.active {
  color: var(--accent);
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--accent);
}

.source-inputs {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.source-inputs input, .chat-input-row input {
  background: var(--bg-main);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
}

.source-inputs input:focus, .chat-input-row input:focus {
  border-color: var(--accent);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 0.88rem;
  padding-right: 4px;
}

.chat-msg {
  background: rgba(255, 255, 255, 0.03);
  padding: 6px 10px;
  border-radius: 6px;
}

.chat-msg.system {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.8rem;
  text-align: center;
  background: transparent;
}

.chat-author {
  font-weight: 600;
  color: var(--accent);
  margin-right: 6px;
}

.chat-input-row {
  display: flex;
  gap: 8px;
}

.chat-input-row input {
  flex: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 12px var(--accent-glow);
}

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

.btn-secondary:hover {
  background: #32394d;
}

.btn-icon-round {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.btn-icon-round:hover {
  background: var(--accent-hover);
}

.btn-icon-subtle {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
}

.btn-icon-subtle:hover {
  color: var(--text-primary);
}

.full-width {
  width: 100%;
}

.hidden {
  display: none !important;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  font-size: 0.9rem;
  z-index: 100;
  transition: opacity 0.3s ease;
}

/* Responsive */
@media (max-width: 900px) {
  .cinema-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto 300px;
    overflow-y: auto;
    height: auto;
  }
}

/* Fullscreen Mode with Overlay Controls */
.player-wrapper:fullscreen,
.player-wrapper:-webkit-full-screen {
  width: 100vw;
  height: 100vh;
  border-radius: 0;
  border: none;
  position: relative;
  background: #000;
}

.player-wrapper:fullscreen .cinema-controls,
.player-wrapper:-webkit-full-screen .cinema-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.6) 70%, transparent 100%);
  border-top: none;
  z-index: 50;
  padding: 16px 24px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.player-wrapper:fullscreen.controls-hidden .cinema-controls {
  opacity: 0;
  transform: translateY(100%);
  pointer-events: none;
}

.player-wrapper:fullscreen.controls-hidden .video-title-bar {
  opacity: 0;
  transform: translateY(-20px);
  pointer-events: none;
}

.player-wrapper:fullscreen.controls-hidden {
  cursor: none;
}

/* Nickname click to edit */
.user-name.clickable {
  cursor: pointer;
  background: var(--bg-main);
  padding: 5px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.user-name.clickable:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(99, 102, 241, 0.1);
}

/* ========================================================
   THEMES: 8 Rich Color Schemes
   ======================================================== */
body[data-theme="cyberpunk"] {
  --bg-main: #0d0f14;
  --bg-card: #151821;
  --bg-card-hover: #1e222e;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-glow: rgba(99, 102, 241, 0.4);
  --border: #232838;
  --text-primary: #f8fafc;
  --text-muted: #94a3b8;
}

body[data-theme="oled"] {
  --bg-main: #000000;
  --bg-card: #0a0a0a;
  --bg-card-hover: #171717;
  --accent: #e2e8f0;
  --accent-hover: #ffffff;
  --accent-glow: rgba(255, 255, 255, 0.25);
  --border: #222222;
  --text-primary: #ffffff;
  --text-muted: #888888;
}

body[data-theme="sakura"] {
  --bg-main: #140d14;
  --bg-card: #1e131e;
  --bg-card-hover: #2c1a2c;
  --accent: #f472b6;
  --accent-hover: #ec4899;
  --accent-glow: rgba(244, 114, 182, 0.4);
  --border: #3b203a;
  --text-primary: #fdf2f8;
  --text-muted: #d0a4c5;
}

body[data-theme="classic"] {
  --bg-main: #12100d;
  --bg-card: #1c1813;
  --bg-card-hover: #29231c;
  --accent: #eab308;
  --accent-hover: #ca8a04;
  --accent-glow: rgba(234, 179, 8, 0.4);
  --border: #362c1f;
  --text-primary: #fefce8;
  --text-muted: #b8a58e;
}

body[data-theme="matrix"] {
  --bg-main: #050d08;
  --bg-card: #09170e;
  --bg-card-hover: #0f2416;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --accent-glow: rgba(34, 197, 94, 0.4);
  --border: #13331d;
  --text-primary: #f0fdf4;
  --text-muted: #7ca887;
}

body[data-theme="ocean"] {
  --bg-main: #081018;
  --bg-card: #0c1825;
  --bg-card-hover: #122538;
  --accent: #06b6d4;
  --accent-hover: #0891b2;
  --accent-glow: rgba(6, 182, 212, 0.4);
  --border: #15324d;
  --text-primary: #ecfeff;
  --text-muted: #82a3c2;
}

body[data-theme="mocha"] {
  --bg-main: #14100c;
  --bg-card: #1f1813;
  --bg-card-hover: #2e231c;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-glow: rgba(245, 158, 11, 0.4);
  --border: #3d2f23;
  --text-primary: #fffbeb;
  --text-muted: #baa593;
}

body[data-theme="synthwave"] {
  --bg-main: #12091c;
  --bg-card: #1d102c;
  --bg-card-hover: #2c1842;
  --accent: #ec4899;
  --accent-hover: #db2777;
  --accent-glow: rgba(236, 72, 153, 0.4);
  --border: #3f1e5d;
  --text-primary: #fdf2f8;
  --text-muted: #be9ec8;
}

/* ========================================================
   CINEMA LAYOUT MODES: Standard, Theater, Zen
   ======================================================== */
.cinema-grid.layout-theater {
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  gap: 16px;
  height: calc(100vh - 64px);
}

.cinema-grid.layout-theater .player-wrapper {
  height: calc(100vh - 220px);
  min-height: 480px;
  flex: 0 0 auto;
}

.cinema-grid.layout-theater .sidebar-wrapper {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto 24px auto;
  height: 380px;
  flex: 0 0 380px;
}

/* Zen Layout: Fullscreen immersion with discreet hover bar and floating settings button */
.zen-hover-zone {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 28px;
  z-index: 54;
  cursor: pointer;
}

body[data-layout="zen"] .zen-hover-zone {
  display: block;
}

/* Floating discreet settings button in Zen mode */
.btn-zen-settings {
  display: none;
  position: fixed;
  top: 14px;
  right: 16px;
  z-index: 56;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(20, 24, 34, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.15rem;
  cursor: pointer;
  opacity: 0.4;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

body[data-layout="zen"] .btn-zen-settings {
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-zen-settings:hover {
  opacity: 1;
  transform: scale(1.1) rotate(45deg);
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 4px 18px var(--accent-glow);
}

body[data-layout="zen"] .app-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 55;
  background: rgba(13, 15, 20, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transform: translateY(-100%);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
}

body[data-layout="zen"] .app-header:hover,
body[data-layout="zen"] .app-header.zen-revealed {
  transform: translateY(0);
}

.cinema-grid.layout-zen {
  padding: 0;
  gap: 0;
  height: 100vh;
}

.cinema-grid.layout-zen .player-wrapper {
  border-radius: 0;
  border: none;
}

.cinema-grid.layout-zen .sidebar-wrapper {
  display: none !important;
}

/* ========================================================
   USER BADGES & AVATARS
   ======================================================== */
.user-badge-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  text-transform: uppercase;
  flex-shrink: 0;
}

.ping-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 4px;
}

.ping-dot.green {
  background: #10b981;
  box-shadow: 0 0 6px #10b981;
}

.ping-dot.yellow {
  background: #f59e0b;
  box-shadow: 0 0 6px #f59e0b;
}

.ping-dot.red {
  background: #ef4444;
  box-shadow: 0 0 6px #ef4444;
}

/* Host Control Mode Button */
.btn-control-mode {
  padding: 5px 12px;
  font-size: 0.85rem;
  transition: all 0.2s;
}

.btn-control-mode.host-only {
  background: rgba(234, 179, 8, 0.15);
  border-color: #eab308;
  color: #fde047;
  box-shadow: 0 0 10px rgba(234, 179, 8, 0.2);
}

.btn-control-mode.host-only .mode-icon {
  filter: drop-shadow(0 0 4px #eab308);
}

/* ========================================================
   SEEKBAR TOOLTIP
   ======================================================== */
.seek-wrap {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
}

.seek-tooltip {
  position: absolute;
  bottom: 26px;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.95);
  color: #fff;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  white-space: nowrap;
  z-index: 60;
  transition: opacity 0.15s ease;
}

.seek-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: rgba(15, 23, 42, 0.95);
}

/* Skip Opening Button */
.btn-icon-text {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-icon-text:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ========================================================
   FLOATING REACTIONS OVERLAY & POPOVER
   ======================================================== */
.reactions-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 35;
}

.floating-reaction {
  position: absolute;
  bottom: 80px;
  font-size: 2.4rem;
  animation: floatUp 2.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.6));
  user-select: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.reaction-sender-tag {
  font-size: 0.65rem;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  padding: 2px 6px;
  border-radius: 10px;
  white-space: nowrap;
}

@keyframes floatUp {
  0% {
    opacity: 0;
    transform: translateY(20px) scale(0.5);
  }
  12% {
    opacity: 1;
    transform: translateY(-20px) scale(1.25);
  }
  25% {
    transform: translateY(-50px) scale(1.0);
  }
  80% {
    opacity: 0.9;
    transform: translateY(-220px) scale(0.95);
  }
  100% {
    opacity: 0;
    transform: translateY(-320px) scale(0.7);
  }
}

.reactions-trigger-wrap,
.speed-selector-wrap {
  position: relative;
}

.reactions-popover {
  position: absolute;
  bottom: calc(100% + 12px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  padding: 8px;
  border-radius: 12px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  z-index: 65;
  animation: popoverFadeIn 0.18s ease;
}

.speed-popover {
  position: absolute;
  bottom: calc(100% + 12px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
  padding: 6px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 90px;
  z-index: 65;
  animation: popoverFadeIn 0.18s ease;
}

@keyframes popoverFadeIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn-reaction {
  font-size: 1.4rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 6px;
  cursor: pointer;
  transition: transform 0.12s, background 0.12s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-reaction:hover {
  transform: scale(1.25);
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent);
}

.btn-speed-opt {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.12s;
}

.btn-speed-opt:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

.btn-speed-opt.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

/* ========================================================
   TRANSPARENT FULLSCREEN CHAT OVERLAY
   ======================================================== */
.fullscreen-chat-overlay {
  position: absolute;
  bottom: 84px;
  left: 24px;
  width: 320px;
  max-height: 240px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  z-index: 38;
  pointer-events: none;
}

.fs-chat-msg {
  background: rgba(13, 15, 20, 0.7);
  backdrop-filter: blur(8px);
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: #fff;
  animation: fsFadeIn 0.25s ease;
  word-break: break-word;
}

.fs-chat-author {
  font-weight: 700;
  color: var(--accent);
  margin-right: 6px;
}

@keyframes fsFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================================
   HOST CATCH-UP FLOATING CHIP
   ======================================================== */
.catchup-chip {
  position: absolute;
  top: 56px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(20, 24, 34, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid var(--accent);
  box-shadow: 0 4px 18px var(--accent-glow);
  padding: 8px 14px;
  border-radius: 30px;
  z-index: 42;
  animation: chipSlide 0.3s ease;
  font-size: 0.85rem;
  color: #fff;
}

@keyframes chipSlide {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.btn-chip-action {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 4px 10px;
  border-radius: 14px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn-chip-action:hover {
  opacity: 0.9;
}

.btn-chip-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 2px 6px;
}

.btn-chip-close:hover {
  color: #fff;
}

/* ========================================================
   NEXT EPISODE OVERLAY & COUNTDOWN
   ======================================================== */
.next-episode-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 45;
}

.next-episode-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 380px;
  text-align: center;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
}

.next-icon {
  font-size: 2.2rem;
  margin-bottom: 8px;
  display: inline-block;
}

.next-episode-card h4 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.next-episode-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.countdown-bar-wrap {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 16px;
}

.countdown-progress {
  height: 100%;
  width: 100%;
  background: var(--accent);
  transition: width 1s linear;
}

.next-actions {
  display: flex;
  gap: 8px;
  justify-content: center;
}

/* ========================================================
   SIDEBAR TABS & PLAYLIST QUEUE
   ======================================================== */
.tabbed-sidebar-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 0;
  overflow: hidden;
}

.sidebar-tabs {
  display: flex;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border);
}

.sidebar-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  border-bottom: 2px solid transparent;
}

.sidebar-tab:hover {
  color: var(--text-primary);
}

.sidebar-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: rgba(255, 255, 255, 0.02);
}

.sidebar-tab-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 12px 14px;
}

.playlist-items {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.playlist-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 16px;
}

.playlist-empty span {
  font-size: 2.2rem;
  margin-bottom: 8px;
  display: inline-block;
}

.playlist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.86rem;
  transition: all 0.15s;
}

.playlist-item:hover {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.07);
}

.playlist-item-idx {
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.8rem;
  min-width: 20px;
}

.playlist-item-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.playlist-item-actions {
  display: flex;
  gap: 4px;
}

.btn-playlist-play,
.btn-playlist-del {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  font-size: 0.95rem;
}

.btn-playlist-play:hover {
  color: var(--accent);
}

.btn-playlist-del:hover {
  color: #ef4444;
}

/* Chat Timestamps */
.chat-time-tag {
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
  font-weight: 600;
  margin: 0 2px;
}

.chat-time-tag:hover {
  opacity: 0.8;
}

/* ========================================================
   MODALS: Settings & Users List
   ======================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
  animation: modalOverlayFade 0.2s ease;
}

@keyframes modalOverlayFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 580px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  animation: modalScaleUp 0.2s ease;
}

.modal-card-sm {
  max-width: 420px;
}

@keyframes modalScaleUp {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1.1rem;
}

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-height: 80vh;
  overflow-y: auto;
}

.settings-section h4 {
  font-size: 0.95rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.layout-options-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.layout-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 8px;
  text-align: center;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
  transition: all 0.15s;
}

.layout-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--accent);
}

.layout-card.active {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.12);
  box-shadow: 0 0 12px var(--accent-glow);
}

.layout-icon {
  font-size: 1.6rem;
}

.layout-card strong {
  font-size: 0.85rem;
}

.layout-card small {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.theme-card {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.15s;
}

.theme-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
}

.theme-card.active {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 10px var(--accent-glow);
}

.theme-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
}

.setting-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}

.setting-toggle-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* Users List Items in Modal */
.users-list-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.user-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
}

.user-row-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-row-ping {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-make-host {
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(234, 179, 8, 0.2);
  border: 1px solid #eab308;
  color: #fde047;
  cursor: pointer;
}

.btn-make-host:hover {
  background: #eab308;
  color: #000;
}

/* ========================================================
   EXTENSION DOWNLOAD MODAL & INSTALLATION GUIDE
   ======================================================== */
.btn-download-ext {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
  border: 1px solid var(--accent);
  color: #fff;
  transition: all 0.2s ease;
}

.btn-download-ext:hover {
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow);
  transform: translateY(-1px);
}

.modal-card-ext {
  max-width: 620px;
}

.ext-download-hero {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 12px;
}

.ext-hero-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(229, 9, 20, 0.4);
  flex-shrink: 0;
}

.ext-hero-text h4 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.ext-hero-text p {
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.4;
}

.ext-download-cta {
  display: flex;
  justify-content: center;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 10px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #e50914 0%, #ff333d 100%);
  color: #fff;
  box-shadow: 0 6px 20px rgba(229, 9, 20, 0.45);
  transition: all 0.2s ease;
}

.btn-lg:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(229, 9, 20, 0.65);
}

.ext-guide-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
}

.ext-guide-box h4 {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.ext-steps {
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ext-steps li {
  font-size: 0.88rem;
  line-height: 1.45;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ext-steps code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  color: var(--accent);
}

.ext-steps small {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.copy-url-bar {
  display: flex;
  gap: 8px;
  margin: 4px 0;
}

.copy-url-bar input {
  flex: 1;
  background: var(--bg-main);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: monospace;
  outline: none;
}