:root {
  --bg: #08090c;
  --surface: #101319;
  --surface-2: #161a22;
  --border: #232935;
  --text: #e7eaf0;
  --muted: #8b96a6;
  --faint: #5c6675;
  --accent: #ff8a3d;
  --accent-2: #ffb347;
  --ok: #2fbf71;
  --bad: #f05252;
  --radius: 12px;
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 var(--font);
  display: grid;
  grid-template-columns: 340px 1fr;
}

.panel {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 20px 18px 28px;
  overflow-y: auto;
  height: 100vh;
}

.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.brand h1 { margin: 0; font-size: 18px; letter-spacing: -0.01em; }
.brand p { margin: 0; color: var(--muted); font-size: 12px; }
.logo {
  width: 34px; height: 34px; border-radius: 9px; flex: none;
  background:
    linear-gradient(90deg, transparent 49%, var(--bg) 49% 51%, transparent 51%),
    linear-gradient(0deg, transparent 49%, var(--bg) 49% 51%, transparent 51%),
    conic-gradient(from 45deg, var(--accent), #ff4d6d, #7c5cff, #3dd6ff, var(--accent));
}
.conn { margin-left: auto; width: 9px; height: 9px; border-radius: 50%; background: var(--bad); }
.conn.on { background: var(--ok); box-shadow: 0 0 0 4px rgba(47, 191, 113, 0.15); }

section { border-top: 1px solid var(--border); padding-top: 16px; margin-top: 16px; }
h2 {
  margin: 0 0 12px; font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}

.workers { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.workers li label {
  display: grid; grid-template-columns: auto auto 1fr auto; align-items: center; gap: 10px;
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 9px;
  background: var(--surface-2); cursor: pointer;
}
.workers li.offline { opacity: 0.45; }
.swatch { width: 10px; height: 10px; border-radius: 3px; }
.worker-name { font-family: var(--mono); font-size: 12.5px; }
.worker-meta { color: var(--faint); font-size: 12px; font-family: var(--mono); }
.hint { color: var(--muted); font-size: 12.5px; margin: 0; }
.hint code { font-family: var(--mono); font-size: 11.5px; color: var(--accent-2); word-break: break-all; }

.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field > span { color: var(--muted); font-size: 12.5px; display: flex; justify-content: space-between; }
.field output { color: var(--text); font-family: var(--mono); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

select, button {
  font: inherit; color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px;
}
select:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
input[type="range"] { accent-color: var(--accent); width: 100%; }

.actions { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin: 4px 0 12px; }
button { cursor: pointer; }
button:hover { border-color: var(--faint); }
button.primary {
  background: linear-gradient(135deg, var(--accent), #ff5e3a);
  border-color: transparent; color: #1a0d05; font-weight: 650;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }

.toggle { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 12.5px; cursor: pointer; }
.toggle input { accent-color: var(--accent); }

.ranking { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ranking li {
  display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 8px;
  padding: 7px 10px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface-2);
}
.ranking .pos { font-family: var(--mono); color: var(--faint); }
.ranking li.finished:first-child { border-color: rgba(255, 138, 61, 0.55); background: rgba(255, 138, 61, 0.08); }
.ranking li.finished:first-child .pos { color: var(--accent); }
.ranking .name { font-family: var(--mono); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ranking .time { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.ranking small { color: var(--faint); margin-left: 4px; }

.per-worker { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.per-worker th { color: var(--faint); font-weight: 500; text-align: right; padding: 4px 6px; }
.per-worker th:first-child, .per-worker td:first-child { text-align: left; }
.per-worker td { padding: 6px; text-align: right; font-family: var(--mono); font-variant-numeric: tabular-nums; border-top: 1px solid var(--border); }
.per-worker td:first-child { display: flex; align-items: center; gap: 8px; }

.stage { display: flex; flex-direction: column; padding: 20px; min-width: 0; height: 100vh; }
.lanes {
  --cols: 1; --rows: 1;
  flex: 1; min-height: 0;
  display: grid; gap: 14px;
  grid-template-columns: repeat(var(--cols), minmax(0, 1fr));
  grid-template-rows: repeat(var(--rows), minmax(0, 1fr));
}
.lane {
  display: flex; flex-direction: column; min-height: 0;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px; transition: border-color 200ms;
}
.lane.finished { border-color: var(--faint); }
.lane.mismatch { border-color: var(--bad); }
.lane header { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-family: var(--mono); }
.lane .rank { color: var(--accent); font-weight: 700; }
.lane-label { font-size: 13px; }
.lane-time { margin-left: auto; font-variant-numeric: tabular-nums; }
.lane-canvas {
  position: relative; flex: 1; min-height: 0;
  display: grid; place-items: center;
}
/* Both canvases share the same intrinsic size and constraints, so they scale
   identically and keep their aspect ratio. */
.lane-canvas canvas {
  grid-area: 1 / 1; max-width: 100%; max-height: 100%;
  border-radius: 6px; display: block;
}
.lane-canvas .image { background: #000; cursor: zoom-in; }
.lane-canvas .overlay { pointer-events: none; }
.lane footer { display: grid; gap: 6px; margin-top: 8px; }
.lane-bar { height: 4px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.lane-bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.lane-stats { color: var(--muted); font-size: 12px; font-family: var(--mono); }
.stage-hint { color: var(--faint); font-size: 12px; margin: 10px 0 0; text-align: center; }

@media (max-width: 860px) {
  body { grid-template-columns: 1fr; }
  .panel { height: auto; border-right: 0; border-bottom: 1px solid var(--border); padding: 16px; }
  .stage { height: auto; padding: 16px; }
  .lanes { grid-template-columns: 1fr; grid-template-rows: none; }
}

[hidden] { display: none !important; }
.wake { display: grid; gap: 6px; margin-top: 8px; }
.wake button { border-style: dashed; color: var(--accent-2); }
.intro { color: var(--muted); font-size: 12.5px; margin: 12px 0 0; }
.intro a { color: var(--accent-2); }