/* Stream Composer — control-room UI
   Dark surface tokens and the reserved status palette (good/warning/serious/
   critical) are used consistently; status is always paired with a label, never
   carried by colour alone. */

:root {
  color-scheme: dark;

  --plane: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #211f1f;
  --surface-3: #2a2827;

  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --ink-muted: #898781;

  --line: rgba(255, 255, 255, 0.1);
  --line-strong: #383835;
  --grid: #2c2c2a;

  --accent: #3987e5;
  --accent-soft: rgba(57, 135, 229, 0.14);

  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;

  --radius: 10px;
  --radius-lg: 14px;
  --font: system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
  --shadow: 0 18px 40px -22px rgba(0, 0, 0, 0.9);
}

* { box-sizing: border-box; }

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

body {
  background: var(--plane);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 1.15rem; }
h2 { font-size: 1rem; }
h3 { font-size: 0.85rem; color: var(--ink-2); font-weight: 600; }

p { margin: 0 0 0.75rem; }
small { font-size: 0.8rem; }

/* ------------------------------------------------------------------ layout */

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: rgba(13, 13, 13, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: linear-gradient(140deg, var(--accent), #1c5cab);
  display: grid;
  place-items: center;
  flex: none;
}

.brand-mark svg { width: 15px; height: 15px; }

.spacer { flex: 1 1 auto; }

.wrap {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 1.25rem;
}

.wrap.narrow { width: min(920px, 100%); }

.row { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.col { display: flex; flex-direction: column; gap: 0.6rem; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; }

/* ------------------------------------------------------------------- cards */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
}

.card-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.card-head h2 { flex: 1 1 auto; }

.section-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--ink-muted);
  font-weight: 650;
  margin-bottom: 0.6rem;
}

/* ------------------------------------------------------------------ status */

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-2);
  color: var(--ink-2);
  white-space: nowrap;
}

.status .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
}

.status.is-live { color: var(--good); border-color: rgba(12, 163, 12, 0.35); background: rgba(12, 163, 12, 0.1); }
.status.is-live .dot { animation: pulse 2s ease-in-out infinite; }
.status.is-warn { color: var(--warning); border-color: rgba(250, 178, 25, 0.35); background: rgba(250, 178, 25, 0.1); }
.status.is-bad { color: var(--critical); border-color: rgba(208, 59, 59, 0.4); background: rgba(208, 59, 59, 0.12); }
.status.is-idle { color: var(--ink-muted); }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* -------------------------------------------------------------- stat tiles */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.7rem 0.85rem;
}

.stat .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  font-weight: 600;
}

.stat .value {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.25;
  margin-top: 0.15rem;
  letter-spacing: -0.02em;
}

.stat .value .unit { font-size: 0.75rem; color: var(--ink-muted); font-weight: 500; margin-left: 0.15rem; }
.stat .sub { font-size: 0.75rem; color: var(--ink-muted); }

/* magnitude meter — one measure, recessive track, status-coloured fill */
.meter {
  height: 6px;
  border-radius: 999px;
  background: var(--grid);
  overflow: hidden;
  margin-top: 0.5rem;
}

.meter > span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
  transition: width 0.4s ease, background-color 0.3s ease;
}

.meter.is-warn > span { background: var(--warning); }
.meter.is-serious > span { background: var(--serious); }
.meter.is-critical > span { background: var(--critical); }

/* ---------------------------------------------------------------- controls */

button, .btn {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 550;
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background-color 0.15s ease, border-color 0.15s ease, opacity 0.15s ease;
  white-space: nowrap;
}

button:hover, .btn:hover { background: var(--surface-3); text-decoration: none; }
button:focus-visible, .btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button:disabled { opacity: 0.45; cursor: not-allowed; }

button.primary, .btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
button.primary:hover { background: #2a78d6; }

button.danger { color: var(--critical); border-color: rgba(208, 59, 59, 0.4); }
button.danger:hover { background: rgba(208, 59, 59, 0.14); }

button.ghost { background: transparent; }
button.icon { padding: 0.4rem; width: 34px; height: 34px; justify-content: center; }
button.icon svg { width: 16px; height: 16px; }

input, select, textarea {
  font: inherit;
  font-size: 0.88rem;
  color: var(--ink);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  width: 100%;
}

input[type='checkbox'], input[type='radio'] { width: auto; flex: none; accent-color: var(--accent); }
input[type='range'] { accent-color: var(--accent); padding: 0; }
input[type='color'] { padding: 2px; height: 36px; }

label.field { display: block; margin-bottom: 0.75rem; }
label.field > span {
  display: block;
  font-size: 0.75rem;
  color: var(--ink-2);
  margin-bottom: 0.25rem;
  font-weight: 550;
}
label.field .hint { display: block; font-size: 0.72rem; color: var(--ink-muted); margin-top: 0.25rem; font-weight: 400; }

label.inline { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; cursor: pointer; }

/* ---------------------------------------------------------------- player */

.player-shell {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.player-shell video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #000;
}

/* --------------------------------- composition in the browser (web mode) ---
 *
 * The server sends the cells it would have encoded; each source is placed into
 * its cell as a percentage of the composed canvas, so the arrangement is
 * identical to the encoded one at any player size.
 */

.web-grid {
  position: absolute;
  inset: 0;
  container-type: size;
  background: #000;
}

.web-cell {
  position: absolute;
  overflow: hidden;
  background: #000;
}

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

/* The caption drawtext would have burnt in: white, black outline, bottom
 * centre. Sized in cqh so it tracks the canvas rather than the viewport. */
.web-caption {
  position: absolute;
  left: 50%;
  bottom: 2%;
  transform: translateX(-50%);
  max-width: 92%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: #fff;
  font-weight: 600;
  line-height: 1.2;
  pointer-events: none;
  paint-order: stroke fill;
  -webkit-text-stroke: 0.12em #000;
  text-shadow: 0 0 0.25em rgba(0, 0, 0, 0.9);
}

/* The programme <video> is unused while the browser composes. */
.player-shell.is-web-composed > #program-video { display: none; }

.player-overlay {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 0.85rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0));
  opacity: 0;
  transition: opacity 0.2s ease;
}

.player-shell:hover .player-overlay,
.player-shell:focus-within .player-overlay,
.player-shell.is-idle .player-overlay { opacity: 1; }

.player-message {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 0.5rem;
  text-align: center;
  padding: 1.5rem;
  color: var(--ink-2);
}

.player-message .big { font-size: 1rem; color: var(--ink); font-weight: 600; }

.spinner {
  width: 26px;
  height: 26px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.player-stats {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  background: rgba(0, 0, 0, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--ink-2);
  display: none;
}
.player-stats.show { display: block; }
.player-stats b { color: var(--ink); font-weight: 600; }

.badge-live {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
}

/* ------------------------------------------------------------ source list */

.sources {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.75rem;
}

.source {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.source.is-selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

.source .thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  display: grid;
  place-items: center;
}

.source .thumb video { width: 100%; height: 100%; object-fit: contain; display: block; }
.source .thumb .placeholder { color: var(--ink-muted); font-size: 0.78rem; }

.source .body {
  padding: 0.55rem 0.65rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.source .name {
  font-size: 0.85rem;
  font-weight: 600;
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.source .cell-index {
  position: absolute;
  top: 0.4rem;
  left: 0.4rem;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 5px;
  padding: 0.1rem 0.35rem;
  font-size: 0.68rem;
  font-family: var(--mono);
  color: var(--ink-2);
}

/* ------------------------------------------------------------ audio panel */

.audio-list { display: flex; flex-direction: column; gap: 0.35rem; }

.audio-option {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.audio-option:hover { background: var(--surface-3); }
.audio-option.is-active { border-color: var(--accent); background: var(--accent-soft); }
.audio-option input { flex: none; }
.audio-option .name { flex: 1 1 auto; }
.audio-option .meta { font-size: 0.72rem; color: var(--ink-muted); }

.level-bar {
  width: 46px;
  height: 5px;
  border-radius: 999px;
  background: var(--grid);
  overflow: hidden;
  flex: none;
}
.level-bar > span { display: block; height: 100%; background: var(--good); width: 0; transition: width 0.08s linear; }

/* ------------------------------------------------------------- tables */

table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-muted); font-weight: 650; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

code, .mono { font-family: var(--mono); font-size: 0.8rem; }

.key-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.18rem 0.45rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}

/* --------------------------------------------------------------- tabs */

.tabs { display: flex; gap: 0.25rem; border-bottom: 1px solid var(--line); margin-bottom: 1.1rem; overflow-x: auto; }

.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 0.6rem 0.85rem;
  color: var(--ink-muted);
  font-weight: 550;
}
.tab:hover { background: none; color: var(--ink-2); }
.tab.is-active { color: var(--ink); border-bottom-color: var(--accent); }

.panel { display: none; }
.panel.is-active { display: block; }

/* --------------------------------------------------------------- misc */

.log-view {
  background: #000;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.75rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  line-height: 1.55;
  max-height: 60vh;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.log-view .lvl-error { color: var(--critical); }
.log-view .lvl-warn { color: var(--warning); }
.log-view .lvl-info { color: var(--ink-2); }
.log-view .lvl-debug { color: var(--ink-muted); }

.toast-stack {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: min(380px, calc(100vw - 2rem));
}

.toast {
  background: var(--surface-3);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  font-size: 0.85rem;
  box-shadow: var(--shadow);
  animation: slide-in 0.2s ease;
}
.toast.is-error { border-left-color: var(--critical); }
.toast.is-good { border-left-color: var(--good); }
@keyframes slide-in { from { transform: translateY(8px); opacity: 0; } }

.empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.layout-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.layout-preview .cell {
  position: absolute;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 3px;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  color: var(--ink-2);
  overflow: hidden;
  padding: 2px;
  text-align: center;
}

.divider { height: 1px; background: var(--line); margin: 1rem 0; border: none; }

.dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 0.9rem; font-size: 0.85rem; }
.dl dt { color: var(--ink-muted); }
.dl dd { margin: 0; }

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.login-card { width: min(380px, 100%); }

.sparkline { width: 100%; height: 44px; display: block; }
.sparkline path.line { fill: none; stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.sparkline path.area { fill: var(--accent-soft); stroke: none; }
.sparkline line.base { stroke: var(--line-strong); stroke-width: 1; }

@media (max-width: 720px) {
  .wrap { padding: 0.9rem; }
  .topbar { padding: 0.65rem 0.9rem; }
  .stat .value { font-size: 1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ------------------------------------------ composition mode chooser (admin) */

.mode-choice {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.75rem;
}

.mode-option {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.85rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.mode-option:hover { border-color: var(--accent); }

.mode-option:has(input:checked) {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--surface-2));
}

.mode-option input[type='radio'] {
  width: auto;
  flex: none;
  margin-top: 0.2rem;
}

.mode-body { display: flex; flex-direction: column; gap: 0.3rem; }
.mode-name { font-weight: 600; }
.mode-detail { font-size: 0.8rem; color: var(--ink-muted); line-height: 1.45; }

/* Settings the encoder owns are meaningless when the browser composes. */
.is-not-encoding .encoder-only {
  opacity: 0.45;
  pointer-events: none;
}