:root {
  --canvas: #0a0a0a;
  --surface-soft: #121212;
  --surface-card: #1a1a1a;
  --surface-elevated: #242424;
  --hairline: #2a2a2a;
  --hairline-strong: #3a3a3a;
  --primary: #faff69;
  --primary-active: #e6eb52;
  --on-primary: #0a0a0a;
  --on-dark: #ffffff;
  --body: #cccccc;
  --muted: #888888;
  --emerald: #22c55e;
  --rose: #ef4444;
  --font: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--canvas); color: var(--body); font: 400 16px/1.55 var(--font); }

.bar { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 0 24px; border-bottom: 1px solid var(--hairline); }
.brand { color: var(--on-dark); font-weight: 700; font-size: 18px; letter-spacing: -0.3px; }
.brand span { color: var(--primary); }
.meta { color: var(--muted); font: 500 13px/1.4 var(--font); font-family: var(--mono); overflow-wrap: anywhere; }

main { max-width: 1280px; margin: 0 auto; padding: 24px 16px 48px; display: grid; gap: 24px; }

.notice { margin: 0; padding: 12px 16px; border-radius: 8px; background: var(--surface-card);
  border: 1px solid var(--rose); color: var(--on-dark); font-size: 14px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.tile { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: 12px; overflow: hidden; }
.tile-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 12px; padding: 12px 16px; }
.tile-name { color: var(--on-dark); font: 600 16px/1.4 var(--font); }
.tile-tools { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.icon-btn { width: 36px; height: 36px; border-radius: 50%; border: 0; background: var(--surface-elevated);
  color: var(--on-dark); display: inline-grid; place-items: center; cursor: pointer; padding: 0; }
.icon-btn svg { width: 18px; height: 18px; }
.icon-btn[aria-pressed="true"] { background: var(--primary); color: var(--on-primary); }
.icon-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.zoom-level { min-width: 40px; height: 36px; padding: 0 4px; border: 0; background: none; cursor: pointer;
  text-align: center; color: var(--muted); font: 500 13px var(--mono); border-radius: 8px; }
.zoom-level:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.frame { position: relative; overflow: hidden; aspect-ratio: 16 / 9; background: #000; touch-action: none; cursor: zoom-in; }
.frame.zoomed { cursor: grab; }
.frame video { display: block; width: 100%; height: 100%; object-fit: contain; transform-origin: center; }
.grid.has-focus { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.grid.has-focus .tile.focused { grid-column: 1 / -1; order: -1; }
.tile:fullscreen { display: flex; flex-direction: column; border: 0; border-radius: 0; }
.tile:fullscreen .frame { flex: 1; aspect-ratio: auto; }
.tile::backdrop { background: #000; }
.tile-foot { padding: 8px 16px 12px; color: var(--muted); font: 400 13px/1.4 var(--mono); min-height: 34px; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 9999px; background: var(--surface-elevated);
  color: var(--on-dark); font: 500 13px/1.6 var(--font); white-space: nowrap; }
.badge.live { background: var(--primary); color: var(--on-primary); font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; font-size: 12px; }
.badge.bad { background: var(--rose); }

.panel { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: 12px; padding: 24px;
  display: grid; gap: 16px; }
.panel-head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.panel-head h2 { margin: 0; color: var(--on-dark); font: 700 24px/1.3 var(--font); letter-spacing: -0.3px; }
.panel-head .btn { margin-left: auto; }
.panel-head h3 { margin: 0; color: var(--on-dark); font: 600 18px/1.4 var(--font); }
.hint { margin: 0; color: var(--body); font-size: 14px; }
.room-code { color: var(--primary); font-family: var(--mono); }

.publisher-body { display: grid; gap: 16px; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: start; }
.publisher video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: contain; background: #000; border-radius: 8px; }
.pub-controls { display: grid; gap: 12px; }
.pub-controls label { display: grid; gap: 4px; color: var(--muted); font-size: 13px; }
.pub-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.pub-info { margin: 0; color: var(--muted); font: 400 13px/1.4 var(--mono); min-height: 18px; }
.room { display: grid; gap: 16px; }
.room[hidden], .panel[hidden] { display: none; }
.voice-actions, .join { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; }
.join label { display: grid; gap: 4px; color: var(--muted); font-size: 13px; }

.rooms { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.rooms li { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 8px;
  background: var(--surface-soft); }
.rooms .name { color: var(--on-dark); font: 600 16px/1.4 var(--font); }
.rooms .count { color: var(--muted); font-size: 13px; }
.rooms .btn { margin-left: auto; }
.rooms .empty { color: var(--muted); font-size: 14px; background: none; padding: 0; }
input { height: 40px; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--hairline-strong);
  background: var(--canvas); color: var(--on-dark); font: 400 14px var(--font); }
input:focus, select:focus { outline: none; border-color: var(--primary); }
select { height: 40px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--hairline-strong);
  background: var(--canvas); color: var(--on-dark); font: 400 14px var(--font); }

.btn { height: 40px; padding: 0 20px; border-radius: 8px; border: 0; background: var(--surface-elevated);
  color: var(--on-dark); font: 600 14px/1 var(--font); cursor: pointer; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--primary); color: var(--on-primary); }
.btn.primary:active { background: var(--primary-active); }
.btn.ptt { min-width: 200px; user-select: none; touch-action: none; }
.btn.ptt.talking { background: var(--primary); color: var(--on-primary); }
.btn:focus-visible, input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
kbd { font: 500 12px var(--mono); padding: 1px 6px; border-radius: 4px; border: 1px solid var(--hairline-strong); }

.people { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.people li { display: flex; align-items: center; gap: 12px; padding: 8px 12px; border-radius: 8px;
  background: var(--surface-soft); color: var(--body); font-size: 14px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--hairline-strong); flex: none; }
.people li.talking .dot { background: var(--emerald); box-shadow: 0 0 0 4px rgba(34, 197, 94, .2); }
.people .who { color: var(--on-dark); font-weight: 600; }
.people .tag { margin-left: auto; color: var(--muted); font-size: 13px; }

.debug summary { cursor: pointer; color: var(--muted); font-size: 13px; }
.debug pre { margin: 8px 0 0; padding: 16px; border-radius: 12px; background: var(--surface-card);
  border: 1px solid var(--hairline); color: var(--body); font: 400 12px/1.55 var(--mono); overflow-x: auto; }

.nav { display: flex; gap: 4px; margin-right: auto; }
.nav a { padding: 8px 14px; border-radius: 8px; color: var(--muted); font: 500 14px/1.4 var(--font); text-decoration: none; }
.nav a[aria-current="page"] { background: var(--surface-card); color: var(--on-dark); }
.nav a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* dashboard */
.tabs { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.tabs a { flex: none; padding: 8px 14px; border-radius: 8px; color: var(--muted); font: 500 14px/1.4 var(--font); text-decoration: none; }
.tabs a[aria-current="page"] { background: var(--surface-card); color: var(--on-dark); }
.tabs a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.tabs .count { margin-left: 4px; color: var(--primary); font: 600 13px var(--mono); }
.tabs .count:empty { display: none; }
.view { display: grid; gap: 24px; min-width: 0; }
.stat-row { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.stat { display: grid; gap: 4px; padding: 8px 0; }
.stat .value { color: var(--primary); font: 700 40px/1 var(--font); letter-spacing: -1.5px; white-space: nowrap; }
.stat .label { color: var(--muted); font: 600 12px/1.4 var(--font); letter-spacing: 1.5px; text-transform: uppercase; }
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.card { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: 12px; padding: 24px; display: grid; gap: 12px; align-content: start; }
.card h3 { margin: 0; color: var(--on-dark); font: 700 24px/1.3 var(--font); letter-spacing: -0.3px; }
.table-wrap { overflow-x: auto; margin: 0 -24px; padding: 0 24px; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th { padding: 8px 10px; text-align: left; vertical-align: bottom; color: var(--muted);
  font: 600 12px/1.4 var(--font); letter-spacing: 1.5px; text-transform: uppercase; border-bottom: 1px solid var(--hairline-strong); }
table.data td { padding: 10px; border-bottom: 1px solid var(--hairline); vertical-align: middle; white-space: nowrap; }
table.data tr:last-child td { border-bottom: 0; }
table.data .num { text-align: right; }
table.data td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
table.data .mono { font-family: var(--mono); color: var(--on-dark); font-size: 12px; }
table.data td.url { color: var(--body); }
.url-cell { display: flex; align-items: center; gap: 6px; min-width: 0; }
.url-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
table.data .url-text { max-width: 110px; }
table.kv .url-text { white-space: normal; overflow-wrap: anywhere; }
.copy-btn { flex: none; width: 28px; height: 28px; padding: 0; border: 0; border-radius: 6px; cursor: pointer;
  display: inline-grid; place-items: center; background: var(--surface-elevated); color: var(--on-dark); }
.copy-btn svg { width: 15px; height: 15px; }
.copy-btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
table.data td.clip { max-width: 180px; overflow: hidden; text-overflow: ellipsis; }
table.data .empty { color: var(--muted); text-align: center; padding: 24px; }
table.kv { width: 100%; border-collapse: collapse; font-size: 14px; }
table.kv th { width: 38%; padding: 8px 12px 8px 0; text-align: left; vertical-align: top; color: var(--muted); font-weight: 500; }
table.kv td { padding: 8px 0; color: var(--on-dark); overflow-wrap: anywhere; }
table.kv tr + tr > * { border-top: 1px solid var(--hairline); }
table.kv code { font: 400 12px/1.5 var(--mono); color: var(--body); }
.kv-grid { display: grid; gap: 0 32px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); }
.link { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.link:focus-visible, .back:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 4px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
table.data .actions { flex-wrap: nowrap; gap: 4px; }
table.data .btn.sm { padding: 0 8px; }
.btn.sm { height: 32px; padding: 0 10px; font-size: 13px; display: inline-flex; align-items: center; text-decoration: none; }
.badge.talking { background: var(--emerald); color: var(--on-primary); font-weight: 600; }
.detail-head { display: grid; gap: 8px; }
.back { justify-self: start; color: var(--muted); font: 500 14px/1.4 var(--font); text-decoration: none; }
.detail-title { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.detail-title h2 { margin: 0; color: var(--on-dark); font: 700 32px/1.2 var(--mono); letter-spacing: -1px; overflow-wrap: anywhere; }
.detail-title .actions { margin-left: auto; }
dialog { width: min(960px, calc(100vw - 32px)); padding: 24px; border-radius: 12px; border: 1px solid var(--hairline);
  background: var(--surface-card); color: var(--body); }
dialog::backdrop { background: rgba(0, 0, 0, .75); }
dialog video { display: block; width: 100%; aspect-ratio: 16 / 9; margin: 16px 0 8px; background: #000; border-radius: 8px; }
.player-voice { display: flex; align-items: center; gap: 12px; margin: 0 0 8px; color: var(--body); font: 500 13px/1.4 var(--font); }
.player-voice[hidden] { display: none; }
.player-voice label { display: inline-flex; align-items: center; gap: 6px; }
.player-voice input[type="range"] { width: 120px; accent-color: var(--primary); }
.player-voice input[type="checkbox"] { accent-color: var(--primary); }
.dialog-head { display: flex; align-items: center; gap: 12px; }
.dialog-head h3 { margin: 0; color: var(--on-dark); font: 600 18px/1.4 var(--mono); overflow-wrap: anywhere; }
.dialog-head .btn { margin-left: auto; }
#confirm { width: min(480px, calc(100vw - 32px)); }
#confirm p { margin: 0 0 24px; color: var(--on-dark); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 12px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); max-width: calc(100vw - 32px);
  padding: 12px 16px; border-radius: 8px; background: var(--surface-elevated); border: 1px solid var(--hairline-strong);
  color: var(--on-dark); font-size: 14px; }
.toast.bad { border-color: var(--rose); }

@media (max-width: 767px) {
  .bar { padding: 0 16px; }
  .meta { display: none; }
  .table-wrap { margin: 0 -16px; padding: 0 16px; }
  .stat .value { font-size: 32px; }
  .card { padding: 16px; }
  .detail-title h2 { font-size: 24px; }
  .detail-title .actions { margin-left: 0; }
  dialog { padding: 16px; }
  .panel { padding: 16px; }
  .btn.ptt { flex: 1 1 100%; height: 56px; }
  .publisher-body { grid-template-columns: 1fr; }
}

.btn.danger { background: transparent; color: var(--rose); box-shadow: inset 0 0 0 1px var(--rose); }
.btn.danger:active { background: var(--rose); color: var(--on-dark); }
.rooms .room-code { color: var(--primary); font-family: var(--mono); font-size: 13px; }