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

:root {
  --bg-primary: #111b21;
  --bg-secondary: #1f2c33;
  --bg-tertiary: #202c33;
  --bg-hover: #2a3942;
  --accent: #00a884;
  --accent-hover: #06cf9c;
  --text-primary: #e9edef;
  --text-secondary: #8696a0;
  --border: #2a3942;
  --danger: #ea4335;
  --danger-hover: #ff6b5b;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  height: 100dvh;
  overflow: hidden;
}

.screen { height: 100dvh; width: 100vw; }
.hidden { display: none !important; }

/* ============ JOIN SCREEN WITH MAP ============ */
#join-screen {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

#map-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#map-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse at center, rgba(17,27,33,0.3) 0%, rgba(17,27,33,0.75) 100%);
  pointer-events: none;
}

/* Center cards (permission + join form) */
.center-card {
  position: relative;
  z-index: 2;
  background: rgba(31,44,51,0.10);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 32px 24px;
  border-radius: 16px;
  border: 1px solid rgba(0,168,132,0.15);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  width: min(90vw, 420px);
}

.center-card.fade-out {
  animation: fadeOut 0.4s ease forwards;
}

.center-card.fade-in {
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeOut {
  to { opacity: 0; transform: translateY(-20px) scale(0.97); }
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Logo */
.logo, .logo-mini { text-align: center; margin-bottom: 24px; }
.logo h1 {
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
  margin-top: 10px;
  letter-spacing: 0.5px;
}

.logo-mini {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 28px;
}

.logo-mini h2 {
  font-size: 18px;
  font-weight: 500;
  color: var(--text-primary);
}

.subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  text-align: center;
  margin-bottom: 20px;
}

/* Permission list */
.permission-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.perm-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(32,44,51,0.6);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.perm-item.granted { border-color: rgba(0,168,132,0.3); background: rgba(0,168,132,0.08); }
.perm-item.denied { border-color: rgba(234,67,53,0.3); background: rgba(234,67,53,0.06); }
.perm-item.fallback { border-color: rgba(249,168,37,0.3); background: rgba(249,168,37,0.06); }

.perm-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.perm-icon svg { fill: var(--text-primary); }
.perm-item.granted .perm-icon { background: rgba(0,168,132,0.15); }
.perm-item.granted .perm-icon svg { fill: var(--accent); }

.perm-text { flex: 1; }
.perm-name { display: block; font-size: 14px; font-weight: 500; }
.perm-desc { display: block; font-size: 12px; color: var(--text-secondary); margin-top: 1px; }

.perm-status {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Shared button style */
.install-btn {
  width: 100%;
  padding: 13px;
  margin-top: 10px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.install-btn:hover {
  background: rgba(0,168,132,0.1);
}

#grant-btn, #join-btn {
  width: 100%;
  padding: 13px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

#grant-btn:hover, #join-btn:hover { background: var(--accent-hover); }
#grant-btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Inputs */
.center-card input[type="text"] {
  display: block;
  width: 100%;
  padding: 12px 16px;
  margin-bottom: 14px;
  background: rgba(32,44,51,0.8);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

.center-card input[type="text"]:focus { border-color: var(--accent); }

.hint {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 14px;
  text-align: center;
}

.rotate-hint {
  display: none;
  color: var(--accent);
  font-weight: 500;
}

@media (max-width: 768px) and (orientation: portrait) {
  .rotate-hint { display: block; }
}

/* ============ CONFERENCE LAYOUT ============ */
.conference-layout {
  display: flex;
  height: calc(100vh - 72px);
}

.video-grid {
  flex: 1;
  display: grid;
  gap: 8px;
  padding: 8px;
  grid-template-columns: 1fr;
}

/* Solo — stretch to fill */
.video-grid:not([class*="grid-"]) {
  align-content: stretch;
}

/* Multi — center in grid */
.video-grid[class*="grid-"] {
  align-content: center;
}

.video-grid.grid-2 { grid-template-columns: 1fr 1fr; }
.video-grid.grid-3,
.video-grid.grid-4 { grid-template-columns: 1fr 1fr; }
.video-grid.grid-5,
.video-grid.grid-6 { grid-template-columns: 1fr 1fr 1fr; }
.video-grid.grid-7,
.video-grid.grid-8,
.video-grid.grid-9 { grid-template-columns: 1fr 1fr 1fr; }

.video-container {
  position: relative;
  background: var(--bg-tertiary);
  border-radius: 12px;
  overflow: hidden;
}

/* Solo — fill the whole space */
.video-grid:not([class*="grid-"]) .video-container {
  width: 100%;
  height: 100%;
}

/* Multi — constrain with aspect ratio */
.video-grid[class*="grid-"] .video-container {
  aspect-ratio: 16/9;
}

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

.video-label {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(0,0,0,0.6);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 13px;
  color: #fff;
}

.media-indicators {
  position: absolute;
  top: 8px;
  right: 8px;
  display: flex;
  gap: 4px;
}

.media-indicators .indicator {
  background: rgba(0,0,0,0.6);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.media-indicators .indicator svg { fill: var(--danger); }

/* Sidebar */
.sidebar {
  width: 360px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.tab {
  flex: 1;
  padding: 14px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab:hover { background: var(--bg-hover); }
.tab-panel { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

/* Chat */
.chat-messages { flex: 1; overflow-y: auto; padding: 12px; }

.chat-msg {
  margin-bottom: 8px;
  padding: 8px 12px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  max-width: 85%;
}

.chat-msg.own { background: #005c4b; margin-left: auto; }

.chat-msg-header { display: flex; justify-content: space-between; margin-bottom: 2px; }
.chat-msg-name { color: var(--accent); font-size: 12px; font-weight: 500; }
.chat-msg-time { color: var(--text-secondary); font-size: 11px; }
.chat-msg-text { font-size: 14px; word-break: break-word; }

.chat-input-area {
  display: flex;
  padding: 8px;
  gap: 8px;
  border-top: 1px solid var(--border);
}

.chat-input-area input {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
}

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

.send-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
}

/* Participants */
.participants-list { list-style: none; padding: 8px; }

.participants-list li {
  padding: 12px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.participants-list li:hover { background: var(--bg-hover); }

.participant-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 15px;
  color: #fff;
}

/* Controls bar */
.controls-bar {
  height: 72px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
}

.room-info { flex: 1; font-size: 14px; color: var(--text-secondary); }
.controls { display: flex; gap: 12px; }
.controls-spacer { flex: 1; }

.control-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--bg-hover);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.control-btn svg { fill: var(--text-primary); }
.control-btn:hover { background: #3b4a54; }
.control-btn.active { background: var(--bg-hover); }
.control-btn.active svg { fill: var(--text-primary); }
.control-btn.off { background: var(--danger); }
.control-btn.off svg { fill: #fff; }
.control-btn.leave { background: var(--danger); }
.control-btn.leave:hover { background: var(--danger-hover); }
.control-btn.leave svg { fill: #fff; }
.control-btn.screen-active { background: var(--accent); }
.control-btn.screen-active svg { fill: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* Mapbox overrides */
.mapboxgl-canvas { outline: none; }

@media (max-width: 768px) {
  .sidebar { width: 100%; position: absolute; right: 0; top: 0; height: calc(100dvh - 72px); z-index: 10; }
  .conference-layout { height: calc(100dvh - 72px); }
  .video-grid { padding: 4px; gap: 4px; }
  .video-grid.grid-2,
  .video-grid.grid-3,
  .video-grid.grid-4 { grid-template-columns: 1fr; }
  .video-grid[class*="grid-"] .video-container { aspect-ratio: 4/3; }
  .controls-bar { padding: 0 12px; }
  .controls { gap: 8px; }
  .control-btn { width: 42px; height: 42px; }
}