*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

:root {
  --bg: #111418;
  --panel: #1b2027;
  --border: #2c333d;
  --text: #e8ebef;
  --muted: #8a94a3;
  --on: #2fa36b;
  --error: #e5534b;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem 1rem;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.app {
  width: 100%;
  max-width: 720px;
}

h1 {
  margin: 0 0 1rem;
  font-size: 1.4rem;
  font-weight: 600;
}

/* Video preview */
.preview {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.preview video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Broadcaster preview only; the stream itself is not mirrored. */
.preview video.mirror {
  transform: scaleX(-1);
}

.placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
}

/* Controls */
.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.control {
  padding: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.7rem 1rem;
  font: inherit;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.toggle:hover {
  border-color: var(--muted);
}

.toggle[aria-pressed="true"] {
  background: var(--on);
  border-color: var(--on);
}

.toggle:disabled {
  opacity: 0.6;
  cursor: wait;
}

.status {
  margin: 0.6rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.status.error {
  color: var(--error);
}

/* Mic level meter */
.meter {
  height: 6px;
  margin-top: 0.75rem;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.meter-fill {
  width: 0;
  height: 100%;
  background: var(--on);
  transition: width 0.05s linear;
}

/* Live panel (broadcaster) */
.live-panel {
  grid-column: 1 / -1;
}

.fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input {
  padding: 0.55rem 0.7rem;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

input:disabled {
  opacity: 0.6;
}

.live-btn[aria-pressed="true"] {
  background: var(--error);
  border-color: var(--error);
}

a {
  color: var(--text);
}

/* Viewer */
.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.bar .toggle {
  width: auto;
}

.badge {
  padding: 0.2rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.badge.live {
  color: #fff;
  background: var(--error);
  border-color: var(--error);
}

.bar .status {
  margin: 0;
}