:root {
  --bg: #1a1410;
  --bg-card: #241c16;
  --bg-input: #140f0c;
  --border: #3b2e24;
  --text: #f1e6d8;
  --text-dim: #a8998a;
  --accent: #c8873a;
  --accent-hover: #dd9a48;
  --ok: #6fae6b;
  --danger: #b8503f;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

[hidden] {
  display: none !important;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #2b211a, var(--bg));
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.brand span {
  font-size: 20px;
}

.status {
  color: var(--text-dim);
}

.status.error {
  color: #f0a597;
}

.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  background: #33281f;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 7px 12px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.btn:hover {
  background: #40322a;
}

.btn.on {
  border-color: var(--accent);
  color: var(--accent);
}

.btn.off {
  border-color: var(--danger);
  color: #f0a597;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1206;
}

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

.btn-danger {
  background: transparent;
  border-color: var(--danger);
  color: #f0a597;
}

select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 6px 8px;
  font: inherit;
  max-width: 220px;
}

.join {
  max-width: 420px;
  margin: 12vh auto;
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.join h1 {
  margin: 0;
  font-size: 20px;
}

.join label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.join input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 10px;
  font: inherit;
  font-size: 14px;
}

.join .hint {
  color: var(--text-dim);
  font-size: 12px;
}

.grid {
  display: grid;
  gap: 10px;
  padding: 12px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.tile {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.tile.speaking {
  border-color: var(--ok);
  box-shadow: 0 0 0 2px rgba(111, 174, 107, 0.5);
}

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

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

.tile .name {
  position: absolute;
  left: 8px;
  bottom: 8px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.6);
  font-weight: 600;
  font-size: 13px;
}

.tile .muted {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(184, 80, 63, 0.85);
  font-size: 12px;
}

.tile .placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 40px;
}