:root {
  --bg: #f4f5f2;
  --surface: #ffffff;
  --surface-2: #eef0ec;
  --ink: #1b1f1d;
  --ink-2: #4a524e;
  --muted: #6b736f;
  --line: #d9ddd7;
  --accent: #127a6e;
  --accent-ink: #ffffff;
  --accent-soft: #dff1ee;
  --warn: #b25e00;
  --warn-soft: #fff1de;
  --bad: #b3261e;
  --bad-soft: #fde7e5;
  --gate: #6a3fb5;
  --gate-soft: #efe8fb;
  --ok: #1d7d3a;
  --base: #8a6d3b;
  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111413;
    --surface: #1a1e1c;
    --surface-2: #232826;
    --ink: #e7ebe8;
    --ink-2: #b9c1bc;
    --muted: #8d9691;
    --line: #2f3532;
    --accent: #3cc2ae;
    --accent-ink: #062521;
    --accent-soft: #163a35;
    --warn: #f0a548;
    --warn-soft: #3a2a14;
    --bad: #ff8a80;
    --bad-soft: #3d1c1a;
    --gate: #b99bf0;
    --gate-soft: #2c2340;
    --ok: #6fd08c;
    --base: #d2b47a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 var(--sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); }
code { font-family: var(--mono); font-size: 0.92em; background: var(--surface-2); padding: 0 0.25em; border-radius: 4px; }
.muted { color: var(--muted); }
.small { font-size: 0.85em; }
[hidden] { display: none !important; }

/* header */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 12px 20px; background: var(--surface); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 34px; height: 34px; border-radius: 8px; background: var(--accent); flex: none;
  background-image:
    linear-gradient(var(--accent-ink), var(--accent-ink)), linear-gradient(var(--accent-ink), var(--accent-ink)),
    linear-gradient(var(--accent-ink), var(--accent-ink));
  background-size: 9px 9px; background-repeat: no-repeat;
  background-position: 6px 6px, 19px 6px, 12.5px 19px;
}
h1 { font-size: 1.25rem; margin: 0; letter-spacing: 0.01em; }
.tagline { margin: 0; color: var(--muted); font-size: 0.85rem; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab {
  border: 1px solid transparent; background: transparent; color: var(--ink-2); font: inherit;
  padding: 7px 14px; border-radius: 999px; cursor: pointer;
}
.tab:hover { background: var(--surface-2); }
.tab[aria-selected="true"] { background: var(--accent); color: var(--accent-ink); }

.notice {
  margin: 10px 20px 0; padding: 8px 12px; border-radius: 8px; background: var(--warn-soft); color: var(--warn);
  border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent); font-weight: 500;
}
.notice.error { background: var(--bad-soft); color: var(--bad); border-color: color-mix(in srgb, var(--bad) 35%, transparent); }

main { flex: 1; padding: 14px 20px 24px; width: 100%; max-width: 1560px; margin: 0 auto; }
.panel { display: block; }

/* controls */
.controls {
  display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px 18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px;
}
.field { display: flex; flex-direction: column; gap: 4px; font-size: 0.82rem; color: var(--ink-2); }
.field select, .field input[type=number] {
  font: inherit; font-size: 0.95rem; color: var(--ink); background: var(--surface-2);
  border: 1px solid var(--line); border-radius: 7px; padding: 6px 8px; min-width: 16rem;
}
.field.narrow input { min-width: 0; width: 7rem; }
.radios { border: 0; padding: 0; margin: 0; display: flex; flex-direction: row; gap: 12px; align-items: center; }
.radios legend { font-size: 0.82rem; padding: 0; margin-bottom: 4px; float: left; width: 100%; }
.radios label { color: var(--ink); font-size: 0.95rem; display: inline-flex; gap: 5px; align-items: center; }
.buttons { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
button {
  font: inherit; font-size: 0.93rem; padding: 7px 14px; border-radius: 7px; cursor: pointer;
  border: 1px solid var(--line); background: var(--surface-2); color: var(--ink);
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.active { background: var(--accent-soft); border-color: var(--accent); }
.toggle { display: inline-flex; align-items: center; gap: 6px; font-size: 0.93rem; }
.board-links { margin: 0; font-size: 0.9rem; }
.privacy { margin: 10px 2px 0; font-size: 0.88rem; color: var(--ok); font-weight: 500; }

/* layout */
.grid { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 16px; margin-top: 14px; }
@media (max-width: 1100px) { .grid { grid-template-columns: minmax(0, 1fr); } }
.col-main, .col-side { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; min-width: 0; }
.card h2 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 8px; font-weight: 600; }
.card h2 + * { margin-top: 0; }
.card > h2:not(:first-child) { margin-top: 14px; }
.hint { font-size: 0.8rem; color: var(--muted); margin: 6px 0 0; }
.row2 { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 12px; }
@media (max-width: 760px) { .row2 { grid-template-columns: minmax(0, 1fr); } }

/* stage */
.stage {
  position: relative; background: #0d0f0e; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 16 / 9; border: 1px solid var(--line);
}
.stage canvas, .stage video { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.stage video { object-fit: fill; }
.stage-empty {
  position: absolute; inset: 0; display: grid; place-items: center; text-align: center;
  padding: 24px 15%; color: #c9d1cc; font-size: 0.98rem; line-height: 1.5;
}
.stage-empty p { margin: 0; max-width: 34rem; }
.overlay-toggles { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; font-size: 0.88rem; color: var(--ink-2); }
.overlay-toggles label { display: inline-flex; gap: 5px; align-items: center; }
.legend { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 0.8rem; }
.legend-bar {
  width: 120px; height: 10px; border-radius: 3px;
  background: linear-gradient(90deg, #440154, #482878, #3e4989, #31688e, #26828e, #1f9e89, #35b779, #6ece58, #b5de2b, #fde725);
}
.instruction {
  min-height: 2.6em; padding: 10px 14px; border-radius: var(--radius); background: var(--accent-soft);
  color: var(--ink); font-size: 1.05rem; font-weight: 500; border-left: 4px solid var(--accent);
}
.instruction:empty { display: none; }
.instruction.reject { background: var(--bad-soft); border-left-color: var(--bad); }
.instruction.gate { background: var(--gate-soft); border-left-color: var(--gate); }
.instruction.done { background: var(--surface-2); border-left-color: var(--ok); }
.instruction small { display: block; font-weight: 400; color: var(--ink-2); font-size: 0.85rem; margin-top: 2px; }

.metrics {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 8px; margin: 0;
}
.metrics:empty { display: none; }
.metrics div { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; }
.metrics dt { font-size: 0.74rem; letter-spacing: 0.02em; color: var(--muted); }
.metrics dd { margin: 0; font-family: var(--mono); font-size: 1.02rem; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }

/* chart */
.chart { width: 100%; height: auto; aspect-ratio: 640 / 260; display: block; }

.consequence p { margin: 0 0 6px; }
.consequence .big { font-size: 1.15rem; font-weight: 600; }
.consequence .vs { color: var(--muted); font-size: 0.9rem; }
.export a.dl {
  display: inline-block; margin: 2px 8px 6px 0; padding: 6px 12px; border-radius: 7px; text-decoration: none;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: 0.9rem;
}
.export p { margin: 0 0 6px; font-size: 0.9rem; }

/* candidates */
table.cands { width: 100%; border-collapse: collapse; font-size: 0.86rem; font-variant-numeric: tabular-nums; }
table.cands th { text-align: left; font-weight: 600; color: var(--muted); font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.04em; padding: 4px 6px; border-bottom: 1px solid var(--line); }
table.cands td { padding: 5px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.cands td.num { font-family: var(--mono); text-align: right; white-space: nowrap; }
table.cands tbody tr { cursor: pointer; }
table.cands tbody tr:hover { background: var(--surface-2); }
table.cands tbody tr.chosen { background: var(--accent-soft); outline: 2px solid var(--accent); outline-offset: -2px; }
table.cands tbody tr.top td:first-child { font-weight: 700; color: var(--accent); }
.realised { font-size: 0.84rem; color: var(--ink-2); margin: 8px 0 0; }
.realised b { font-family: var(--mono); font-weight: 600; }

/* approval */
.approval { border: 2px solid var(--gate); background: var(--gate-soft); }
.approval h2 { color: var(--gate); }
.approval .q { font-size: 0.98rem; font-weight: 500; margin: 0 0 8px; }
.approval dl { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; font-size: 0.84rem; margin: 0 0 8px; }
.approval dt { color: var(--muted); }
.approval dd { margin: 0; font-family: var(--mono); overflow-wrap: anywhere; }
.approval textarea {
  width: 100%; font: inherit; font-size: 0.9rem; min-height: 54px; resize: vertical; padding: 6px 8px;
  border-radius: 7px; border: 1px solid var(--line); background: var(--surface); color: var(--ink);
}
.approval .opts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.approval .opts button.approve { background: var(--gate); border-color: var(--gate); color: #fff; font-weight: 600; }
.approval canvas { width: 100%; height: auto; aspect-ratio: 16 / 9; background: var(--surface); border-radius: 6px; border: 1px solid var(--line); margin-bottom: 8px; }
.approval .warn { font-size: 0.86rem; margin: 0 0 8px; padding: 6px 10px; border-radius: 6px; background: var(--warn-soft); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent); }
.approval .cap { font-size: 0.78rem; color: var(--muted); margin: -4px 0 8px; }

/* trace */
.trace-card { flex: 1; min-height: 240px; display: flex; flex-direction: column; }
.trace {
  list-style: none; margin: 0; padding: 0; font-family: var(--mono); font-size: 0.78rem; line-height: 1.45;
  overflow-y: auto; max-height: 460px; flex: 1;
}
.trace li { padding: 3px 0 3px 8px; border-left: 3px solid var(--line); margin-bottom: 2px; overflow-wrap: anywhere; }
.trace li.reject { border-left-color: var(--bad); }
.trace li.flag { border-left-color: var(--warn); }
.trace li.gate { border-left-color: var(--gate); background: var(--gate-soft); }
.trace li.plan { border-left-color: var(--accent); }
.trace li.approval { border-left-color: var(--ok); }
.trace li.user { border-left-color: var(--base); }
.trace li.sys { color: var(--muted); }

/* evidence + about */
.prose { max-width: 860px; }
.prose h2 { font-size: 1.05rem; margin: 22px 0 6px; }
.prose p, .prose li { color: var(--ink-2); }
.disclaimer { font-weight: 600; color: var(--ink) !important; background: var(--warn-soft); border-left: 4px solid var(--warn); padding: 8px 12px; border-radius: 6px; }
.figs { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; margin-top: 12px; }
.figs figure { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; }
.figs img { width: 100%; height: auto; display: block; border-radius: 6px; background: #fff; }
.figs figcaption { font-size: 0.85rem; color: var(--ink-2); margin-top: 6px; }
table.kv { border-collapse: collapse; font-size: 0.9rem; margin-top: 8px; }
table.kv td { padding: 4px 10px; border-bottom: 1px solid var(--line); }
table.kv td:first-child { color: var(--muted); }
table.kv td:last-child { font-family: var(--mono); }

.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 10px 20px; font-size: 0.8rem; color: var(--muted); border-top: 1px solid var(--line); background: var(--surface); }

@media (max-width: 640px) {
  main { padding: 10px 12px 20px; }
  .topbar { padding: 10px 12px; position: static; }
  .tab { padding: 6px 11px; }
  .field select { min-width: 0; width: 100%; }
  .field { flex: 1 1 100%; }
  .field.narrow { flex: 1 1 40%; }
  .stage-empty { padding: 12px; font-size: 0.85rem; }
}