:root {
  color-scheme: dark;
  --bg: #0f0d13;
  --surface: #1c1b1f;
  --surface-container: #211f26;
  --surface-container-high: #2b2930;
  --surface-variant: #49454f;
  --outline: #938f99;
  --outline-variant: #49454f;
  --text: #e6e1e5;
  --muted: #cac4d0;
  --primary: #d0bcff;
  --primary-container: #4f378b;
  --on-primary-container: #eaddff;
  --secondary: #ccc2dc;
  --tertiary: #efb8c8;
  --danger: #f2b8b5;
  --danger-container: #8c1d18;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Avenir Next", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.shell {
  width: min(1240px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.hero {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.lede {
  max-width: 48rem;
  color: var(--muted);
  font-size: 1.05rem;
}

.panel,
.video-card,
.chat-panel {
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: 16px;
}

.panel,
.chat-panel {
  padding: 24px;
}

.room-row label,
.status-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.room-controls,
.control-row,
.status-grid,
.device-grid,
.media-grid,
.remote-grid,
.layout-grid {
  display: grid;
  gap: 8px;
}

.room-controls {
  grid-template-columns: minmax(0, 1fr) auto auto;
}

.control-row {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 16px 0 20px;
}

@media (max-width: 900px) {
  .control-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .control-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.status-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.status-grid > div,
.device-field {
  background: var(--surface-container);
  border: 1px solid var(--outline-variant);
  border-radius: 12px;
  padding: 14px 16px;
}

.device-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px;
}

.layout-grid {
  grid-template-columns: minmax(0, 2fr) minmax(300px, 360px);
  align-items: start;
  margin-top: 20px;
}

.media-grid {
  grid-template-columns: minmax(0, 1fr);
}

.remote-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

input,
select,
button {
  border: 0;
  border-radius: 12px;
  font: inherit;
}

input,
select {
  padding: 14px 16px;
  color: var(--text);
  background: var(--surface-container);
  border: 1px solid var(--outline);
  outline: none;
  transition: border-color 100ms ease, background 100ms ease;
}

input:focus,
select:focus {
  border-color: var(--primary);
  background: var(--surface-container-high);
}

input[type="range"] {
  padding: 0;
  accent-color: var(--primary);
}

button {
  padding: 14px 18px;
  color: var(--on-primary-container);
  background: var(--primary-container);
  cursor: pointer;
  font-weight: 600;
  transition: filter 100ms ease;
}

button:hover {
  filter: brightness(1.12);
}

button.secondary,
.tiny-btn {
  color: var(--text);
  background: var(--surface-container-high);
}

button.danger {
  color: var(--danger);
  background: var(--danger-container);
}

.hint {
  margin: 10px 0 0;
  color: var(--muted);
}

.video-card {
  padding: 14px;
}

.video-header,
.video-actions,
.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.video-header,
.chat-header {
  margin-bottom: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
}

.video-actions {
  justify-content: flex-end;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 8px;
}

.tiny-btn {
  padding: 8px 12px;
  font-size: 0.82rem;
}

.tiny-btn.host {
  color: var(--tertiary);
  background: rgba(239, 184, 200, 0.12);
}

.host-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--tertiary);
  background: rgba(239, 184, 200, 0.14);
  border: 1px solid rgba(239, 184, 200, 0.28);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
}

.slider-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

video {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  background: var(--surface-container);
  object-fit: contain;
}

.main-video-container {
  margin-bottom: 12px;
}

.main-video-container video {
  aspect-ratio: 16 / 9;
  max-height: 70vh;
}

.peer-volume-container {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  padding: 8px 12px;
  background: var(--surface-container);
  border-radius: 8px;
}

.peer-volume-container .volume-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.peer-volume-container .peer-volume-slider {
  flex: 1;
  min-width: 80px;
}

.peer-volume-container .volume-value {
  color: var(--text);
  font-size: 0.78rem;
  min-width: 40px;
  text-align: right;
}

.tiny-btn.asr-btn {
  color: var(--tertiary);
  background: rgba(239, 184, 200, 0.12);
}

.tiny-btn.asr-btn.active {
  color: var(--on-primary-container);
  background: var(--primary-container);
}

.transcription-panel {
  margin-top: 10px;
  background: var(--surface-container);
  border-radius: 8px;
  max-height: 150px;
  overflow-y: auto;
  border: 1px solid var(--outline-variant);
}

.transcription-content {
  padding: 10px;
}

.transcription-entry {
  margin-bottom: 6px;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--text);
}

.transcription-entry:last-child {
  margin-bottom: 0;
}

.transcription-entry.interim {
  opacity: 0.5;
  font-style: italic;
}

.asr-controls {
  margin-top: 16px;
  padding: 12px;
  background: var(--surface-container);
  border-radius: 12px;
}

.asr-controls label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.asr-controls input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--primary);
}

.asr-status {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--muted);
}

.chat-panel {
  display: grid;
  gap: 12px;
}

.chat-messages {
  min-height: 360px;
  max-height: 560px;
  overflow-y: auto;
  display: grid;
  gap: 8px;
  padding-right: 4px;
}

.chat-entry {
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--surface-container);
}

.chat-entry.self {
  background: var(--surface-container-high);
  border-left: 2px solid var(--primary);
}

.chat-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.chat-text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.chat-empty {
  color: var(--muted);
  padding: 18px 0;
}

.chat-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

@media (max-width: 960px) {
  .layout-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .room-controls,
  .control-row,
  .status-grid,
  .device-grid,
  .chat-form {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(100vw - 24px, 1240px);
    padding-top: 24px;
  }
}