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

body {
  font-family: 'Space Grotesk', -apple-system, sans-serif;
  background: #050505;
  color: #fafafa;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ── Landing ── */

#landing {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.landing-noise {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.landing-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}

.glow-1 {
  width: 600px;
  height: 600px;
  top: -250px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(6, 182, 212, 0.1), transparent 70%);
}

.glow-2 {
  width: 500px;
  height: 500px;
  bottom: -150px;
  right: -150px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.08), transparent 70%);
}

.landing-layout {
  position: relative;
  display: flex;
  align-items: center;
  gap: 80px;
  max-width: 900px;
  width: 100%;
  padding: 0 32px;
}

.landing-left {
  flex: 1;
}

.landing-right {
  flex: 0 0 380px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.logo-mark { display: flex; }

.logo span {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.landing-heading {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: #fafafa;
  margin-bottom: 16px;
}

.landing-sub {
  color: #606060;
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 360px;
}

.landing-sub a {
  color: #06b6d4;
  text-decoration: none;
}

.landing-sub a:hover { text-decoration: underline; }

.landing-card {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid #252525;
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255,255,255,0.04);
}

.landing-card label {
  display: block;
  font-size: 0.76rem;
  color: #777;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.join-section {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

@media (max-width: 768px) {
  .landing-layout {
    flex-direction: column;
    gap: 40px;
    text-align: center;
  }
  .landing-right { flex: none; width: 100%; max-width: 400px; }
  .landing-heading { font-size: 1.8rem; }
  .landing-sub { max-width: none; }
}

/* ── Inputs ── */

.input-stack {
  width: 100%;
}

.input-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}

.input-wrap input,
.join-row input {
  width: 100%;
  padding: 11px 14px;
  background: #111;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  color: #e5e5e5;
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.input-wrap input::placeholder,
.join-row input::placeholder {
  color: #484848;
}

.input-wrap input:focus,
.join-row input:focus {
  border-color: #404040;
  background: #141414;
}

/* ── Buttons ── */

/* Landing buttons */
.btn-primary {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  color: #fff;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 32px rgba(6, 182, 212, 0.15), 0 4px 16px rgba(139, 92, 246, 0.15);
}

.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-secondary {
  padding: 10px 20px;
  background: #1c1c1c;
  border: 1px solid #303030;
  border-radius: 8px;
  color: #b0b0b0;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-secondary:hover {
  background: #272727;
  border-color: #404040;
  color: #e5e5e5;
}

.btn-ghost {
  background: none;
  border: none;
  color: #404040;
  font-size: 0.8rem;
  cursor: pointer;
  padding: 10px;
  font-family: inherit;
  transition: color 0.15s;
  width: 100%;
}

.btn-ghost:hover { color: #06b6d4; }

.join-row {
  display: flex;
  gap: 8px;
  width: 100%;
}

.join-row input {
  flex: 1;
  padding: 10px 14px;
  background: #111;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  color: #e5e5e5;
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, background 0.2s;
}

.join-row input:focus { border-color: #404040; background: #141414; }
.join-row input::placeholder { color: #484848; }

.divider {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #252525;
}

.divider span {
  color: #484848;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Share modal */
#share-modal {
  width: 100%;
  padding: 16px;
  background: rgba(6, 182, 212, 0.05);
  border: 1px solid rgba(6, 182, 212, 0.14);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.share-label {
  font-size: 0.75rem;
  color: #06b6d4;
  font-weight: 500;
}

.share-link-row {
  display: flex;
  gap: 6px;
}

.share-link-row input {
  flex: 1;
  padding: 8px 10px;
  background: #0a0a0a;
  border: 1px solid #1a1a1a;
  border-radius: 6px;
  color: #737373;
  font-size: 0.7rem;
  font-family: 'JetBrains Mono', monospace;
  outline: none;
  min-width: 0;
}

#copy-link-btn {
  padding: 8px 12px;
  background: #1a1a1a;
  border: 1px solid #262626;
  border-radius: 6px;
  color: #a3a3a3;
  font-size: 0.7rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

#copy-link-btn:hover { background: #262626; color: #06b6d4; }

/* ── Room / Replay Header ── */

#room-header, #replay-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(5, 5, 5, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid #111;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.live-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px 3px 8px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.15);
  border-radius: 6px;
  font-size: 0.65rem;
  font-weight: 700;
  color: #ef4444;
  letter-spacing: 0.08em;
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ef4444;
  animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.replay-badge {
  padding: 3px 10px;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: 6px;
  font-size: 0.65rem;
  font-weight: 700;
  color: #8b5cf6;
  letter-spacing: 0.08em;
}

#room-header h2, #replay-header h2 {
  font-size: 0.9rem;
  font-weight: 500;
  color: #737373;
}

#room-status, #replay-status {
  font-size: 0.75rem;
  color: #404040;
}

.header-btn {
  background: #111;
  color: #737373;
  padding: 7px 14px;
  border: 1px solid #1a1a1a;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.header-btn:hover {
  background: #1a1a1a;
  color: #a3a3a3;
  border-color: #262626;
}

/* ── Video Grid ── */

#video-grid, #replay-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  align-content: center;
  gap: 6px;
  padding: 6px;
  height: calc(100vh - 50px);
  padding-bottom: 100px;
}

/* ── Presentation Mode (screen share active) ── */

#video-grid:has(.screen-tile),
#replay-grid:has(.screen-tile) {
  flex-wrap: nowrap;
  flex-direction: row;
}

#video-grid:has(.screen-tile) .screen-tile,
#replay-grid:has(.screen-tile) .screen-tile {
  flex: 1 1 auto;
  width: auto !important;
  max-width: none;
  aspect-ratio: auto;
  height: calc(100vh - 160px);
}

#video-grid:has(.screen-tile) .video-tile:not(.screen-tile),
#replay-grid:has(.screen-tile) .video-tile:not(.screen-tile) {
  flex: 0 0 180px;
  width: 180px !important;
  aspect-ratio: 4/3;
  max-height: none;
}

.video-tile {
  position: relative;
  background: #0a0a0a;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 4/3;
  /* Tiles size based on --tile-count set by JS */
  flex: 0 0 auto;
  width: calc(100% - 12px);
  max-height: calc(100vh - 160px);
}

/* Sizing by tile count — set via JS on #video-grid */
#video-grid[data-tiles="1"] .video-tile { width: min(90%, 800px); }
#video-grid[data-tiles="2"] .video-tile { width: calc(50% - 6px); }
#video-grid[data-tiles="3"] .video-tile { width: calc(33.333% - 6px); }
#video-grid[data-tiles="4"] .video-tile { width: calc(50% - 6px); max-height: calc(50vh - 80px); }
#video-grid[data-tiles="5"] .video-tile,
#video-grid[data-tiles="6"] .video-tile { width: calc(33.333% - 6px); max-height: calc(50vh - 80px); }
#video-grid[data-tiles="7"] .video-tile,
#video-grid[data-tiles="8"] .video-tile,
#video-grid[data-tiles="9"] .video-tile { width: calc(33.333% - 6px); max-height: calc(33vh - 60px); }
#video-grid[data-tiles] .video-tile { /* 10+ fallback */ }

#replay-grid[data-tiles="1"] .video-tile { width: min(90%, 800px); }
#replay-grid[data-tiles="2"] .video-tile { width: calc(50% - 6px); }
#replay-grid[data-tiles="3"] .video-tile { width: calc(33.333% - 6px); }
#replay-grid[data-tiles="4"] .video-tile { width: calc(50% - 6px); max-height: calc(50vh - 80px); }
#replay-grid[data-tiles="5"] .video-tile,
#replay-grid[data-tiles="6"] .video-tile { width: calc(33.333% - 6px); max-height: calc(50vh - 80px); }
#replay-grid[data-tiles="7"] .video-tile,
#replay-grid[data-tiles="8"] .video-tile,
#replay-grid[data-tiles="9"] .video-tile { width: calc(33.333% - 6px); max-height: calc(33vh - 60px); }

.video-tile video,
.video-tile canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Mirror local video like a real video call app. */
#local-tile video {
  transform: scaleX(-1);
}

.video-label {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.02em;
}

/* ── Replay Controls ── */

#replay-controls {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(5, 5, 5, 0.95);
  backdrop-filter: blur(16px);
  border-top: 1px solid #1a1a1a;
  padding: 12px 24px 16px;
  z-index: 20;
}

#timeline-bar {
  margin-bottom: 10px;
}

#timeline-track {
  position: relative;
  height: 6px;
  background: #1a1a1a;
  border-radius: 3px;
  cursor: pointer;
}

#timeline-track:hover {
  height: 8px;
}

#timeline-progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, #06b6d4, #8b5cf6);
  border-radius: 3px;
  width: 0%;
  transition: width 0.2s linear;
}

#timeline-thumb {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 14px;
  height: 14px;
  background: #fff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 8px rgba(0,0,0,0.5);
  transition: left 0.2s linear;
}

#timeline-track:hover #timeline-thumb {
  width: 16px;
  height: 16px;
}

#replay-controls-row {
  display: flex;
  align-items: center;
  gap: 16px;
}

#replay-time, #replay-duration {
  font-size: 0.75rem;
  color: #525252;
  font-variant-numeric: tabular-nums;
  min-width: 40px;
}

#speed-controls {
  display: flex;
  gap: 4px;
}

.speed-btn {
  padding: 4px 10px;
  background: transparent;
  border: 1px solid #1a1a1a;
  border-radius: 6px;
  color: #525252;
  font-size: 0.7rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

.speed-btn:hover {
  border-color: #333;
  color: #a3a3a3;
}

.speed-btn.active {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.2);
  color: #06b6d4;
}

#export-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid #1a1a1a;
  border-radius: 6px;
  color: #737373;
  font-size: 0.7rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

#export-btn:hover {
  border-color: #333;
  color: #a3a3a3;
}

#export-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#focus-controls {
  display: flex;
  gap: 4px;
}

.focus-btn {
  padding: 4px 10px;
  background: transparent;
  border: 1px solid #1a1a1a;
  border-radius: 6px;
  color: #525252;
  font-size: 0.7rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.focus-btn:hover {
  border-color: #333;
  color: #a3a3a3;
}

.focus-btn.active {
  background: rgba(139, 92, 246, 0.1);
  border-color: rgba(139, 92, 246, 0.2);
  color: #8b5cf6;
}

#go-live-btn {
  margin-left: auto;
  padding: 6px 16px;
  background: #dc2626;
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: inherit;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.15s;
  animation: pulse-live 2s ease-in-out infinite;
}

@keyframes pulse-live {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.3); }
  50% { box-shadow: 0 0 12px 4px rgba(220, 38, 38, 0.15); }
}

#go-live-btn:hover {
  background: #ef4444;
}

/* Adjust replay grid for controls bar */
#replay-page #replay-grid {
  padding-bottom: 100px;
}

/* ── Speaking Indicator ── */

.video-tile.speaking {
  box-shadow: 0 0 0 2px #06b6d4, 0 0 16px rgba(6, 182, 212, 0.25);
}

/* ── Metrics Panel ── */

#metrics-panel {
  position: fixed;
  top: 60px;
  left: 16px;
  width: 220px;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(16px);
  border: 1px solid #1a1a1a;
  border-radius: 12px;
  padding: 16px;
  z-index: 15;
  transition: opacity 0.2s, transform 0.2s;
}

#metrics-panel.metrics-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
}

.metrics-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: #06b6d4;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.metrics-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.metrics-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.metrics-label {
  font-size: 0.7rem;
  color: #525252;
}

.metrics-val {
  font-family: 'JetBrains Mono', 'Space Grotesk', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  color: #e5e5e5;
  font-variant-numeric: tabular-nums;
}

/* ── Chat Panel ── */

#chat-panel {
  position: fixed;
  right: 0;
  top: 50px;
  bottom: 96px;
  width: 340px;
  display: flex;
  flex-direction: column;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(16px);
  border-left: 1px solid #1a1a1a;
  z-index: 15;
  transition: transform 0.25s ease;
}

#chat-panel.collapsed {
  transform: translateX(100%);
}

#chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-bubble {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  background: #141414;
  border: 1px solid #1a1a1a;
  border-radius: 10px;
  max-width: 85%;
  word-break: break-word;
}

.chat-bubble.chat-mine {
  align-self: flex-end;
  background: rgba(6, 182, 212, 0.08);
  border-color: rgba(6, 182, 212, 0.12);
}

.chat-name {
  font-size: 0.65rem;
  font-weight: 600;
  color: #525252;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chat-bubble.chat-mine .chat-name {
  color: #06b6d4;
}

.chat-text {
  font-size: 0.85rem;
  color: #d4d4d4;
  line-height: 1.4;
}

#chat-input-bar {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid #1a1a1a;
}

#chat-input {
  flex: 1;
  padding: 10px 14px;
  background: #0a0a0a;
  border: 1px solid #1a1a1a;
  border-radius: 8px;
  color: #e5e5e5;
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

#chat-input:focus {
  border-color: #262626;
}

#chat-input::placeholder {
  color: #333;
}

#chat-send {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1a1a1a;
  border: 1px solid #262626;
  border-radius: 8px;
  color: #737373;
  cursor: pointer;
  transition: all 0.15s;
}

#chat-send:hover {
  background: #262626;
  color: #06b6d4;
}

/* Unread indicator on chat toggle */
.control-btn.has-unread::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #06b6d4;
  box-shadow: 0 0 6px rgba(6, 182, 212, 0.5);
}

/* Adjust video grid when chat is open */
#room-page:has(#chat-panel:not(.collapsed)) #video-grid {
  margin-right: 340px;
}

/* ── Controls Bar ── */

#controls-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid #1a1a1a;
  border-radius: 16px;
  z-index: 20;
}

.control-btn {
  position: relative;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1a1a1a;
  border: 1px solid #262626;
  border-radius: 12px;
  color: #a3a3a3;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.control-btn:hover {
  background: #262626;
  color: #e5e5e5;
}

.control-btn .icon-off { display: none; }
.control-btn .icon-on { display: block; }

.control-btn.off {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.control-btn.off:hover {
  background: rgba(239, 68, 68, 0.2);
}

.control-btn.off .icon-off { display: block; }
.control-btn.off .icon-on { display: none; }

.control-leave {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
  margin-left: 8px;
}

.control-leave:hover {
  background: #ef4444;
  color: #fff;
}

.control-btn.hand-active {
  background: rgba(250, 204, 21, 0.15);
  border-color: rgba(250, 204, 21, 0.3);
  color: #facc15;
}

.control-btn.hand-active:hover {
  background: rgba(250, 204, 21, 0.25);
}

/* Hand indicator on video tile */
.hand-indicator {
  position: absolute;
  top: 10px;
  right: 10px;
  font-size: 1.4rem;
  animation: hand-wave 1s ease-in-out infinite;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
}

@keyframes hand-wave {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(15deg); }
  75% { transform: rotate(-10deg); }
}

/* Camera-off overlay on local tile */
.video-tile.camera-off::after {
  content: '';
  position: absolute;
  inset: 0;
  background: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Screen Share Tile ── */

.screen-tile {
  background: #000;
}

.screen-tile video,
.screen-tile canvas {
  object-fit: contain !important;
}

.control-btn.off svg.icon-on { display: none; }
.control-btn.off svg.icon-off { display: block; }
.control-btn svg.icon-off { display: none; }
.control-btn svg.icon-on { display: block; }

/* ── Scrollbar ── */

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #1a1a1a; border-radius: 2px; }