/* Vibe Design System: Aligned with Dashboard UI (Slate obsidian, matte surfaces, cyan & emerald accents) */

:root {
  --bg-main: #0b0f19;
  --bg-surface: #111827;
  --bg-tile: #161e2e;
  --bg-tile-hover: #1e293b;
  --bg-card: #0f172a;
  --bg-control: #1e293b;
  --bg-control-hover: #334155;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-focus: #0ea5e9;

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --accent-cyan: #06b6d4;
  --accent-cyan-hover: #0891b2;
  --accent-blue: #0ea5e9;
  --accent-blue-hover: #0284c7;

  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;
  --color-success: #10b981;

  --font-family-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-display: 'Plus Jakarta Sans', sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html, body {
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #e3ffe7 0%, #d9e7ff 38%, rgba(200, 230, 250, 0.4) 75%, rgba(0, 0, 0, 0.35) 100%), url('../bg.jpg');
  background-size: cover;
  background-position: center;
  color: var(--text-primary);
  font-family: var(--font-family-base);
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Accessible focus states */
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.hidden {
  display: none !important;
}

/* Google Fonts Material Symbols */
.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 20px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: normal;
  text-transform: none;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  user-select: none;
  vertical-align: middle;
}

.material-symbols-outlined.icon-inline {
  font-size: 15px;
  margin-right: 4px;
}

.material-symbols-outlined.icon-hero {
  font-size: 32px;
}

/* Audio blocked prompt bar */
.audio-prompt {
  position: fixed;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1050;
  display: flex;
  align-items: center;
  gap: 12px;
  background-color: #1e293b;
  border: 1px solid #38bdf8;
  color: #f8fafc;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  font-size: 13px;
  font-weight: 500;
}

.btn-prompt-audio {
  background-color: var(--accent-blue);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-full);
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.btn-prompt-audio:hover {
  background-color: var(--accent-blue-hover);
}

/* Toast Notifications */
.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #1e293b;
  color: #f8fafc;
  border: 1px solid var(--border-medium);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  font-weight: 500;
  z-index: 1000;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

/* ============================================================
   LOBBY / PRE-JOIN SCREEN (Dashboard aesthetic)
   ============================================================ */

.lobby-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 24px;
  overflow-y: auto;
}

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

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

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0ea5e9, #06b6d4);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.25);
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-family-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.header-badges {
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.badge-status-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.status-indicator-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #10b981;
}

.lobby-content {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  flex: 1;
  margin-top: 28px;
}

/* Media Preview Column */
.lobby-preview-col {
  display: flex;
  justify-content: center;
}

.preview-card {
  width: 100%;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.video-preview-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--bg-tile);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-preview-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
}

.avatar-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90px;
  height: 90px;
  border-radius: var(--radius-full);
  background-color: #334155;
  color: #f8fafc;
  font-size: 38px;
  font-weight: 700;
  user-select: none;
}

.preview-status-pill {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-success);
}

.pulse-dot.muted {
  background-color: var(--color-danger);
}

.preview-controls {
  display: flex;
  gap: 14px;
}

.preview-control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-control);
  color: var(--text-primary);
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.preview-control-btn:hover {
  background-color: var(--bg-control-hover);
  border-color: var(--border-medium);
}

.preview-control-btn.muted {
  background-color: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

/* Action Panel Column */
.lobby-action-col {
  display: flex;
  flex-direction: column;
}

.action-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.lobby-title {
  font-family: var(--font-family-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.lobby-subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 22px;
  line-height: 1.45;
}

.input-group {
  margin-bottom: 16px;
}

.input-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.label-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.input-group input {
  width: 100%;
  height: 44px;
  min-height: 44px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: #ffffff;
  padding: 0 14px;
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.input-group input:focus {
  border-color: var(--border-focus);
}

.password-field {
  position: relative;
  display: flex;
  align-items: center;
}

.password-field input {
  padding-right: 44px;
}

.field-icon-btn {
  position: absolute;
  right: 6px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

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

.room-code-wrapper {
  display: flex;
  gap: 8px;
}

.secondary-inline-btn {
  min-width: 44px;
  min-height: 44px;
  padding: 0 14px;
  background-color: var(--bg-control);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

.secondary-inline-btn:hover {
  background-color: var(--bg-control-hover);
}

.tab-switch {
  display: flex;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 3px;
  margin-bottom: 18px;
}

.tab-btn {
  flex: 1;
  min-height: 40px;
  border: none;
  background: none;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.tab-btn.active {
  background-color: var(--bg-control);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  background-color: var(--accent-blue);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-primary:hover {
  background-color: var(--accent-blue-hover);
}

.btn-primary.full-width {
  width: 100%;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  background-color: var(--bg-control);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--bg-control-hover);
}

.error-notice-box {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background-color: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  font-size: 12px;
}

/* Join Waiting Status Box */
.join-waiting-box {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  padding: 14px;
  background: rgba(14, 165, 233, 0.08);
  border: 1px solid rgba(14, 165, 233, 0.28);
  border-radius: var(--radius-md);
  color: var(--text-primary);
}

.join-waiting-spinner {
  width: 22px;
  height: 22px;
  min-width: 22px;
  border: 2.5px solid rgba(14, 165, 233, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.join-waiting-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.join-waiting-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.join-waiting-sub {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.btn-cancel-join {
  min-height: 38px;
  padding: 0 12px;
  background-color: var(--bg-control);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.btn-cancel-join:hover {
  background-color: var(--bg-control-hover);
  color: var(--text-primary);
}

/* ============================================================
   ACTIVE MEETING ROOM SCREEN
   ============================================================ */

.meeting-container {
  display: flex;
  flex-direction: column;
  width: 100vw;
  height: 100vh;
  position: relative;
  background-color: var(--bg-main);
  overflow: hidden;
}

/* Top Header Bar */
.meeting-header {
  height: 52px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  z-index: 10;
}

.meeting-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.brand-pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
}

.meeting-id-pill {
  font-weight: 700;
  font-size: 12px;
  color: var(--text-primary);
  letter-spacing: 0.3px;
  font-family: monospace;
}

.meeting-timer {
  color: var(--text-secondary);
  font-size: 12px;
  font-family: monospace;
  font-weight: 600;
}

.security-indicator {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  color: #38bdf8;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.2);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.meeting-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pin-status-banner {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.btn-unpin-header {
  background: none;
  border: none;
  color: #ffffff;
  text-decoration: underline;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
  padding: 0 2px;
}

.network-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.5px;
}

.network-badge.connected {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

.network-badge.connecting {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fbbf24;
}

.network-badge.disconnected {
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
}

/* Main Video Stage */
.stage-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  position: relative;
  overflow: hidden;
}

/* Waiting Card */
.waiting-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  max-width: 440px;
  width: 100%;
  z-index: 5;
}

.waiting-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: var(--radius-full);
  background-color: rgba(14, 165, 233, 0.12);
  color: var(--accent-cyan);
  margin-bottom: 14px;
}

.waiting-card h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.2px;
}

.waiting-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.45;
}

.share-box {
  width: 100%;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.share-info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}

.share-label {
  color: var(--text-muted);
}

.share-value {
  font-weight: 700;
  color: var(--text-primary);
}

.font-mono {
  font-family: monospace;
  letter-spacing: 2px;
}

.btn-copy-invite {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  width: 100%;
  background-color: var(--accent-blue);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  margin-top: 4px;
  transition: background-color var(--transition-fast);
}

.btn-copy-invite:hover {
  background-color: var(--accent-blue-hover);
}

/* ============================================================
   VIDEO GRID & PINNING STYLES
   ============================================================ */

.grid-layout {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: 100%;
  height: 100%;
  max-width: 1400px;
}

.video-tile {
  position: relative;
  background-color: var(--bg-tile);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 9;
  flex: 1;
  max-height: calc(100vh - 148px);
  transition: all var(--transition-normal);
}

.video-tile video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.local-tile video {
  transform: scaleX(-1);
}

.local-tile.screensharing video {
  transform: none;
}

/* Feed Pin Button (Top-Right of tile) */
.tile-pin-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 8;
  opacity: 0.85;
  transition: all var(--transition-fast);
}

.video-tile:hover .tile-pin-btn,
.video-tile:focus-within .tile-pin-btn {
  opacity: 1;
}

.tile-pin-btn:hover {
  background: #1e293b;
  color: #ffffff;
  border-color: var(--border-medium);
}

.video-tile.is-pinned .tile-pin-btn {
  background-color: rgba(6, 182, 212, 0.25);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  opacity: 1;
}

/* PINNED / SPOTLIGHT VIEW */
.grid-layout.has-pinned {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
}

.grid-layout.has-pinned .video-tile.is-pinned {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-height: 100%;
  border-radius: var(--radius-md);
  border: 2px solid rgba(6, 182, 212, 0.4);
  z-index: 2;
  aspect-ratio: auto;
}

.grid-layout.has-pinned .video-tile.is-pinned video {
  object-fit: contain;
}

.grid-layout.has-pinned .video-tile.is-thumbnail {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 240px;
  height: 135px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.16);
  z-index: 5;
  cursor: pointer;
}

.grid-layout.has-pinned .video-tile.is-thumbnail:hover {
  transform: scale(1.02);
  border-color: var(--accent-cyan);
}

.tile-avatar-fallback {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background-color: #334155;
  color: #ffffff;
  font-size: 34px;
  font-weight: 700;
  user-select: none;
}

.tile-avatar-fallback.speaking {
  box-shadow: 0 0 0 3px var(--color-success);
}

.tile-overlay-bottom {
  position: absolute;
  bottom: 10px;
  left: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-subtle);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  z-index: 6;
}

.participant-info {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tile-role-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  text-transform: uppercase;
}

.tile-mic-status {
  display: flex;
  align-items: center;
  color: var(--color-danger);
}

/* ============================================================
   BOTTOM CONTROLS BAR (Dashboard Theme)
   ============================================================ */

.meeting-controls-bar {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  z-index: 20;
}

.controls-left {
  display: flex;
  align-items: center;
  width: 220px;
}

.meeting-code-bottom {
  font-weight: 700;
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
  font-family: monospace;
}

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

.control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-control);
  color: var(--text-primary);
  cursor: pointer;
  position: relative;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.control-btn:hover {
  background-color: var(--bg-control-hover);
  border-color: var(--border-medium);
}

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

.control-btn.muted {
  background-color: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
}

.control-btn.muted:hover {
  background-color: rgba(239, 68, 68, 0.28);
}

.control-btn.active-screen {
  background-color: rgba(6, 182, 212, 0.2);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.control-btn.active-screen:hover {
  background-color: rgba(6, 182, 212, 0.3);
}

.control-btn.btn-leave {
  width: 58px;
  border-radius: var(--radius-full);
  background-color: var(--color-danger);
  border-color: var(--color-danger);
  color: #ffffff;
}

.control-btn.btn-leave:hover {
  background-color: var(--color-danger-hover);
}

.controls-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  width: 220px;
}

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

.control-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-subtle);
  color: var(--text-primary);
}

.control-btn.secondary.active-panel {
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.3);
}

.badge-counter {
  position: absolute;
  top: 3px;
  right: 3px;
  background-color: var(--accent-cyan);
  color: #0b0f19;
  font-size: 10px;
  font-weight: 800;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ============================================================
   SIDE DRAWER (Details & Messages)
   ============================================================ */

.side-drawer {
  position: absolute;
  top: 10px;
  right: 14px;
  bottom: 84px;
  width: 350px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  z-index: 30;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-header h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.btn-close-drawer {
  min-width: 40px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.btn-close-drawer:hover {
  color: var(--text-primary);
}

.drawer-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Info Panel Content */
.info-section {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.info-section h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.info-description {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.info-data-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.info-data-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}

.info-sublabel {
  color: var(--text-muted);
}

.info-code-text {
  color: var(--text-primary);
  font-family: monospace;
}

.info-passcode-text {
  color: var(--accent-cyan);
  letter-spacing: 2px;
}

.btn-copy-full {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  width: 100%;
  background-color: var(--bg-control);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 4px;
  transition: background-color var(--transition-fast);
}

.btn-copy-full:hover {
  background-color: var(--bg-control-hover);
}

/* Chat Panel Content */
.chat-messages-scroll {
  flex: 1;
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-empty-hint {
  font-size: 11px;
  color: var(--text-muted);
  background-color: rgba(255, 255, 255, 0.03);
  padding: 10px;
  border-radius: var(--radius-md);
  text-align: center;
  line-height: 1.4;
}

.chat-bubble {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-width: 85%;
}

.chat-bubble.self {
  align-self: flex-end;
}

.chat-bubble.peer {
  align-self: flex-start;
}

.chat-bubble-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  color: var(--text-muted);
}

.chat-bubble.self .chat-bubble-meta {
  justify-content: flex-end;
}

.chat-bubble-content {
  padding: 7px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  line-height: 1.4;
  word-break: break-word;
}

.chat-bubble.self .chat-bubble-content {
  background-color: var(--accent-blue);
  color: #ffffff;
  border-bottom-right-radius: 2px;
}

.chat-bubble.peer .chat-bubble-content {
  background-color: var(--bg-tile);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-bottom-left-radius: 2px;
}

.chat-input-form {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-card);
}

.chat-input-form input {
  flex: 1;
  min-height: 42px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: #ffffff;
  padding: 0 14px;
  font-size: 12px;
  font-family: inherit;
}

.chat-input-form input:focus {
  border-color: var(--border-focus);
}

.chat-input-form button {
  min-width: 42px;
  min-height: 42px;
  border-radius: 50%;
  border: none;
  background-color: var(--accent-blue);
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.chat-input-form button:hover {
  background-color: var(--accent-blue-hover);
}

/* ============================================================
   CALL ENDED SCREEN
   ============================================================ */

.ended-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  height: 100vh;
  padding: 24px;
  background-color: var(--bg-main);
}

.ended-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  max-width: 420px;
  width: 100%;
}

.ended-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
  margin-bottom: 16px;
}

.ended-card h2 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.ended-card p {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 24px;
}

.ended-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

/* ============================================================
   MOBILE RESPONSIVENESS
   ============================================================ */

@media (max-width: 900px) {
  .lobby-content {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .preview-card {
    max-width: 100%;
  }

  .grid-layout:not(.has-pinned) {
    flex-direction: column;
  }

  .video-tile {
    width: 100%;
    max-height: 38vh;
  }

  .grid-layout.has-pinned .video-tile.is-thumbnail {
    width: 140px;
    height: 80px;
    bottom: 12px;
    right: 12px;
  }

  .controls-left,
  .controls-right {
    width: auto;
  }

  .meeting-code-bottom {
    display: none;
  }

  .side-drawer {
    width: calc(100vw - 24px);
    right: 12px;
    left: 12px;
  }
}

@media (max-width: 480px) {
  .lobby-container {
    padding: 14px;
  }

  .action-card {
    padding: 20px;
  }

  .meeting-controls-bar {
    padding: 0 10px;
  }

  .control-btn {
    width: 44px;
    height: 44px;
  }

  .control-btn.btn-leave {
    width: 50px;
  }

  .admission-card {
    padding: 20px 16px;
  }

  .admission-card-actions {
    flex-direction: column-reverse;
  }

  .admission-card-actions button {
    width: 100%;
  }

  .join-waiting-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-cancel-join {
    width: 100%;
    margin-top: 8px;
  }
}

/* ============================================================
   ADMISSION MODAL (Knock Dialog)
   ============================================================ */

.admission-backdrop {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.18s ease-out;
}

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

.admission-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
  padding: 26px;
  max-width: 440px;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.admission-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admission-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  color: #ffffff;
  font-size: 22px;
  font-weight: 800;
  user-select: none;
}

.admission-info {
  display: flex;
  flex-direction: column;
}

.admission-badge {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--accent-cyan);
  margin-bottom: 2px;
}

.admission-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.2px;
}

.admission-guest-name {
  font-size: 18px;
  font-weight: 800;
  color: #38bdf8;
  word-break: break-word;
}

.admission-note {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 16px 0 22px 0;
}

.admission-card-actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

.btn-deny {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 18px;
  background-color: rgba(239, 68, 68, 0.14);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-deny:hover {
  background-color: rgba(239, 68, 68, 0.25);
  border-color: rgba(239, 68, 68, 0.5);
  color: #ffffff;
}

.btn-admit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 0 22px;
  background-color: var(--accent-blue);
  border: none;
  color: #ffffff;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-admit:hover {
  background-color: var(--accent-blue-hover);
}