:root {
  color-scheme: dark;
  --bg: #101318;
  --panel: #171c22;
  --panel-strong: #1d242c;
  --text: #edf2f7;
  --muted: #9aa8b6;
  --line: #2c3642;
  --accent: #43d19e;
  --warn: #f2b84b;
  --danger: #ef6461;
  --button: #2f7df6;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

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

button,
input,
select {
  font: inherit;
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.15;
}

h2 {
  font-size: 16px;
}

.status {
  min-width: 118px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  text-align: center;
  color: var(--muted);
  background: var(--panel);
}

.status.ok {
  color: var(--accent);
  border-color: rgba(67, 209, 158, 0.45);
}

.status.bad {
  color: var(--danger);
  border-color: rgba(239, 100, 97, 0.5);
}

.layout {
  display: grid;
  grid-template-columns: minmax(280px, 1.1fr) minmax(260px, 0.9fr);
  gap: 16px;
  margin-top: 24px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 18px;
}

.control-panel {
  grid-row: span 2;
}

.video-panel {
  grid-column: 1 / -1;
}

.panel-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.panel-title span {
  color: var(--muted);
  font-size: 13px;
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 13px;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-strong);
  color: var(--text);
  padding: 0 12px;
}

input:focus,
select:focus {
  outline: 2px solid rgba(47, 125, 246, 0.45);
  outline-offset: 1px;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

button {
  width: 100%;
  min-height: 44px;
  border: 0;
  border-radius: 6px;
  background: var(--button);
  color: white;
  font-weight: 700;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.copy-row {
  display: grid;
  grid-template-columns: 1fr 96px;
  gap: 8px;
}

.copy-row button {
  min-height: 42px;
}

.metric-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.metric-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.metric-list dt {
  color: var(--muted);
  font-size: 13px;
}

.metric-list dd {
  margin: 0;
  text-align: right;
  font-weight: 700;
}

.video-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

.video-grid div {
  display: grid;
  gap: 8px;
}

.video-grid span {
  color: var(--muted);
  font-size: 13px;
}

video {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #05070a;
  object-fit: contain;
}

.video-metrics {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

#peerState.running {
  color: var(--accent);
}

#peerState.error {
  color: var(--danger);
}

body.viewer-page .metrics-panel,
body.viewer-page .peer-panel,
body.viewer-page .advanced-field,
body.viewer-page .video-metrics,
body.streamer-page .metrics-panel,
body.streamer-page .peer-panel,
body.streamer-page .advanced-field,
body.streamer-page .video-metrics {
  display: none;
}

body.viewer-page .control-panel,
body.streamer-page .control-panel {
  grid-row: auto;
}

body.viewer-page .layout,
body.streamer-page .layout {
  grid-template-columns: minmax(280px, 0.7fr) minmax(360px, 1.3fr);
}

body.viewer-page .video-panel,
body.streamer-page .video-panel {
  grid-column: auto;
}

body.viewer-page #localVideo {
  display: none;
}

body.viewer-page .video-grid {
  grid-template-columns: 1fr;
}

body.viewer-page .video-grid div:first-child {
  display: none;
}

@media (max-width: 760px) {
  .shell {
    width: min(100vw - 20px, 560px);
    padding: 18px 0;
  }

  .topbar,
  .panel-title,
  .metric-list div {
    align-items: flex-start;
  }

  .topbar,
  .layout,
  .field-grid,
  .copy-row,
  .video-grid,
  .video-metrics {
    grid-template-columns: 1fr;
  }

  .topbar {
    display: grid;
  }

  .status {
    width: 100%;
  }

  .panel-title,
  .metric-list div {
    display: grid;
  }

  .metric-list dd {
    text-align: left;
  }
}