:root {
  --bg: #0a0a0a;
  --panel: #111110;
  --line: #232320;
  --ink: #d8d2c4;
  --dim: #6d6a60;
  --amber: #ffb000;
  --amber-dim: #5a4408;
  --red: #ff3b30;
  --green: #34d058;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 760px;
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-height: 100%;
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 12px 14px;
}

.title {
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.08em;
}

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--dim);
  box-shadow: 0 0 0 0 transparent;
}
.dot.live {
  background: var(--red);
  animation: pulse 1.6s infinite;
}
.dot.connected {
  background: var(--green);
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 59, 48, 0.5);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(255, 59, 48, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 59, 48, 0);
  }
}

.uptime {
  color: var(--dim);
  font-variant-numeric: tabular-nums;
  min-width: 64px;
  text-align: right;
}

.size-btn {
  padding: 5px 9px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--dim);
}
.size-btn:hover {
  color: var(--ink);
}

/* ── stage: two WHEP feeds, preview (green) left, program (amber) right ── */
.stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: none;
  padding: 14px;
}
.feed {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.feed-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
}
.mon-btn {
  padding: 3px 8px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--dim);
  border-color: var(--line);
}
.mon-btn.on {
  background: var(--amber);
  color: #1a1300;
  border-color: var(--amber);
}
.feed-preview .feed-label {
  color: var(--green);
}
.feed-program .feed-label {
  color: var(--amber);
}
.feed-scene {
  color: var(--dim);
  font-weight: 400;
  letter-spacing: 0.04em;
}
.feed-video {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--line);
  overflow: hidden;
}
.feed-preview .feed-video {
  border-color: var(--green);
}
.feed-program .feed-video {
  border-color: var(--amber);
}
.feed-video video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.feed-ph {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.16em;
}
.feed-ph.hidden {
  display: none;
}

/* LARGE: only the feeds grow — break the stage out of the 760px column and
   re-center it on the viewport. Control panels below stay exactly where they are. */
body.large .stage {
  width: min(1280px, 94vw);
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: none;
  padding: 14px;
}
.bar + .panel {
  border-top: none;
}

h2 {
  margin: 0 0 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-transform: uppercase;
}

.dim {
  color: var(--amber-dim);
  font-weight: 400;
}

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

button {
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 9px 14px;
  transition: background 0.08s, border-color 0.08s, color 0.08s;
}
button:hover {
  border-color: var(--amber-dim);
}
button:active {
  transform: translateY(1px);
}

/* scene buttons: program = amber fill (on-air), preview = green outline (staged) */
.scene {
  border-color: #2c2c28;
}
.scene.preview {
  border-color: var(--green);
  color: var(--green);
}
.scene.active {
  background: var(--amber);
  color: #1a1300;
  border-color: var(--amber);
  font-weight: 700;
}
/* staged scene that is also on-air keeps amber fill but flags it */
.scene.active.preview {
  box-shadow: inset 0 0 0 2px var(--green);
}

/* transition controls (Studio Mode only) */
.transition {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.transition.hidden {
  display: none;
}
.cut-btn,
.take-btn {
  flex: 1;
  font-weight: 700;
  letter-spacing: 0.14em;
  padding: 14px;
}
.cut-btn {
  border-color: var(--red);
  color: var(--red);
}
.cut-btn:hover {
  background: var(--red);
  color: #1a0000;
  border-color: var(--red);
}
.take-btn {
  border-color: var(--amber);
  color: var(--amber);
}
.take-btn:hover {
  background: var(--amber);
  color: #1a1300;
  border-color: var(--amber);
}

/* source toggles */
.source {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.source .box {
  color: var(--dim);
}
.source.on {
  border-color: var(--amber-dim);
  color: var(--ink);
}
.source.on .box {
  color: var(--amber);
}
.source.off {
  color: var(--dim);
}

/* audio rows */
.audio {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.aud {
  display: grid;
  grid-template-columns: 130px 64px 1fr 52px;
  align-items: center;
  gap: 12px;
}
.aud .name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mute {
  padding: 6px 10px;
  font-size: 11px;
}
.mute.muted {
  background: var(--red);
  border-color: var(--red);
  color: #1a0000;
  font-weight: 700;
}
.db {
  color: var(--dim);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: linear-gradient(var(--amber-dim), var(--amber-dim)) no-repeat,
    #1c1c19;
  background-size: var(--fill, 50%) 100%;
  border: 1px solid var(--line);
  outline: none;
  cursor: pointer;
}
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 16px;
  background: var(--amber);
  border: none;
}
input[type='range']::-moz-range-thumb {
  width: 10px;
  height: 16px;
  border: none;
  background: var(--amber);
  border-radius: 0;
}

footer.bar {
  border-top: none;
}
.stream-ctl {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--dim);
}
.stream-btn {
  font-weight: 700;
}
.stream-btn.go {
  border-color: var(--green);
  color: var(--green);
}
.stream-btn.stop {
  background: var(--red);
  border-color: var(--red);
  color: #1a0000;
}
.operators b {
  color: var(--amber);
}

.conn {
  text-align: center;
  color: var(--dim);
  font-size: 11px;
  padding: 8px;
  letter-spacing: 0.1em;
}
.conn.bad {
  color: var(--red);
}
.conn.ok {
  color: var(--green);
  opacity: 0.6;
}

.empty {
  color: var(--dim);
  font-style: normal;
  padding: 4px 0;
}