:root {
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1f232c;
  --border: #2a2f3a;
  --text: #e6e8ee;
  --muted: #8b93a5;
  --accent: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  /* phone browsers: no pull-to-refresh, tap flash or long-press callout while controlling */
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
}

.bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  min-height: 48px;
}

select, button, input {
  font: inherit;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}

select {
  padding: 6px 8px;
  max-width: 45vw;
}

button {
  cursor: pointer;
  padding: 6px 10px;
}

button:hover { border-color: var(--muted); }
button:active { background: var(--border); }

.status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  white-space: nowrap;
}

.status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}

.status[data-state="live"]::before { background: var(--accent); }
.status[data-state="starting"]::before { background: var(--warn); }
.status[data-state="error"]::before { background: var(--danger); }

.spacer { flex: 1; }

.stats {
  color: var(--muted);
  font: 12px/1.2 ui-monospace, "Cascadia Mono", Consolas, monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.icon-btn, .nav button {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 36px;
  padding: 0;
}

svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#stage {
  position: relative;
  flex: 1;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #000;
}

/* Sized by layout() to the video's aspect ratio; receives all pointer input. The canvas (WebSocket
   path, WebCodecs) and the video element (WebRTC path) fill it, one at a time. */
#surface {
  position: relative;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  cursor: default;
  background: #000;
}

#surface > canvas, #surface > video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  object-fit: fill;
  background: #000;
}

#surface > [hidden] { display: none; }

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 12px;
  text-align: center;
  color: var(--muted);
  background: rgba(0, 0, 0, 0.6);
  padding: 16px;
}

.overlay[hidden] { display: none; }

.login-form {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.login-form[hidden], .icon-btn[hidden] { display: none; }
.login-form input { padding: 8px 10px; min-width: 0; width: 220px; }

/* Off-screen input that receives keyboard/IME text; kept focusable so phones show a keyboard. */
.ime {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  border: 0;
  padding: 0;
  resize: none;
  font-size: 16px; /* prevents iOS zoom on focus */
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  background: var(--surface);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.nav button.main { width: 56px; }
.nav button.text-btn { width: auto; padding: 0 12px; }
.nav button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.nav-sep { width: 1px; height: 24px; background: var(--border); margin: 0 4px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 72px;
  transform: translateX(-50%);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
  max-width: calc(100vw - 32px);
}

.toast[hidden] { display: none; }

@media (max-width: 640px) {
  .stats { display: none; }
  .nav { gap: 6px; }
  .nav-sep { display: none; }
}