/* 一万个人 — a worked example, so it reads like one: quiet ground, and the only
   saturated colour in the whole page is the one on the false positives, because
   that block is the argument. */
:root {
  --bg: #0d1114;
  --panel: #161c20;
  --line: #232b30;
  --ink: #e8edef;
  --dim: #93a1a7;
  --faint: #63717a;
  --accent: #e8a0a0;      /* false positives — the thing you came here to see */
  --true: #7cc79a;
  --good: #7cc79a;
  --bad: #e0806f;
  --warn: #dfb15a;
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
b { font-weight: 600; }

.topbar { display: flex; align-items: center; gap: 10px;
  padding: max(10px, env(safe-area-inset-top)) 12px 10px;
  border-bottom: 1px solid var(--line); background: #121719; }
.mark { width: 34px; height: 34px; flex: none; border-radius: 10px; display: grid;
  place-items: center; font-weight: 700; color: #121719;
  background: linear-gradient(140deg, #f4c8c8, var(--accent)); }
.titles { min-width: 0; }
.titles h1 { margin: 0; font-size: 17px; letter-spacing: .06em; }
.titles p { margin: 0; font-size: 11px; color: var(--faint); }

main { padding: 14px 12px 24px; max-width: 760px; margin: 0 auto; }
input, button { font: inherit; font-family: inherit; }

.panel { background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.panel h2 { margin: 0 0 6px; font-size: 15px; }
.sub { color: var(--dim); font-size: 13.5px; }
.tiny { color: var(--faint); font-size: 12px; line-height: 1.55; margin: 8px 0 0; }

.presets { display: grid; gap: 8px; grid-template-columns: 1fr 1fr; }
@media (max-width: 480px) { .presets { grid-template-columns: 1fr; } }
.preset { text-align: left; padding: 11px 12px; background: #0f1417; color: var(--ink);
  border: 1px solid var(--line); border-radius: 11px; cursor: pointer; }
.preset b { display: block; font-size: 14px; }
.preset span { display: block; font-size: 11.5px; color: var(--faint); margin-top: 2px; }

.knob { padding: 12px 0; border-top: 1px solid var(--line); }
.knob:first-of-type { border-top: none; padding-top: 4px; }
.knob label { display: flex; justify-content: space-between; align-items: baseline;
  gap: 10px; font-size: 14px; }
.knob label b { font-family: var(--mono); font-variant-numeric: tabular-nums;
  color: var(--accent); font-size: 15px; }
input[type="range"] { width: 100%; -webkit-appearance: none; appearance: none;
  background: transparent; height: 34px; }
input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 999px;
  background: linear-gradient(90deg, var(--line), var(--accent)); }
input[type="range"]::-moz-range-track { height: 6px; border-radius: 999px;
  background: linear-gradient(90deg, var(--line), var(--accent)); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 26px; height: 26px;
  border-radius: 50%; background: var(--ink); border: none; margin-top: -10px; }
input[type="range"]::-moz-range-thumb { width: 26px; height: 26px; border-radius: 50%;
  background: var(--ink); border: none; }

.verdict { padding: 16px; border-radius: 12px; margin-bottom: 14px;
  background: var(--panel); border: 1px solid var(--line); }
.verdict > b { display: block; font-size: 16px; }
.verdict .big { display: block; font-family: var(--mono); font-size: 40px; line-height: 1.15;
  margin: 4px 0 8px; font-variant-numeric: tabular-nums; }
.verdict.bad  { border-color: #4a302c; background: #201716; }
.verdict.bad .big { color: var(--bad); }
.verdict.warn { border-color: #4a3d24; background: #201c16; }
.verdict.warn .big { color: var(--warn); }
.verdict.good { border-color: #2c4433; background: #16201a; }
.verdict.good .big { color: var(--good); }

/* The four groups. Widths are proportional on purpose — the "doesn't have it"
   row swamping the other is the whole argument, not a layout problem. */
.tree { display: grid; gap: 10px; margin-top: 8px; }
.branch .lab { font-size: 13px; color: var(--dim); margin-bottom: 4px; }
.branch .lab b { font-family: var(--mono); color: var(--ink); }
.split { display: flex; height: 30px; border-radius: 8px; overflow: hidden; gap: 2px; }
.seg { display: flex; align-items: center; justify-content: center; font-size: 11px;
  white-space: nowrap; overflow: hidden; color: #0f1417; }
.seg.tp { background: var(--true); }
.seg.fn { background: #2f4a3a; color: var(--dim); }
.seg.fp { background: var(--accent); }
.seg.tn { background: #23292d; color: var(--faint); }

.posbar { display: flex; height: 34px; border-radius: 8px; overflow: hidden; margin-top: 8px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; font-size: 12.5px;
  color: var(--dim); }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px;
  margin-right: 5px; }
.legend i.tp { background: var(--true); }
.legend i.fp { background: var(--accent); }

.srow, .step { display: flex; align-items: center; gap: 10px; padding: 7px 0; }
.srow .k, .step .k { flex: 0 0 128px; font-size: 12.5px; color: var(--dim);
  font-variant-numeric: tabular-nums; }
.step .k i { color: var(--faint); font-style: normal; font-family: var(--mono); font-size: 11px; }
.srow.now .k { color: var(--ink); }
.srow .bar, .step .bar { flex: 1 1 auto; height: 10px; background: #0f1417;
  border-radius: 999px; overflow: hidden; }
.srow .bar > i, .step .bar > i { display: block; height: 100%; background: var(--accent);
  border-radius: 999px; }
.srow.now .bar > i { background: var(--bad); }
.srow .v, .step .v { flex: 0 0 60px; text-align: right; font-family: var(--mono);
  font-variant-numeric: tabular-nums; font-size: 13px; }

.odds { display: flex; align-items: stretch; gap: 8px; margin: 10px 0 4px; flex-wrap: wrap; }
.odds .cell { flex: 1 1 0; min-width: 86px; background: #0f1417; border: 1px solid var(--line);
  border-radius: 11px; padding: 10px 8px; text-align: center; }
.odds .cell.out { border-color: var(--accent); }
.odds .cell b { display: block; font-family: var(--mono); font-size: 17px;
  font-variant-numeric: tabular-nums; }
.odds .cell i { display: block; font-size: 11px; color: var(--faint); font-style: normal;
  margin-top: 2px; }
.odds .op { align-self: center; color: var(--faint); font-family: var(--mono); }

.ev { display: flex; gap: 8px; margin-bottom: 8px; }
.ev input { padding: 10px 11px; background: #0f1417; color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px; min-width: 0; }
.ev .ev-label { flex: 1 1 auto; }
.ev .ev-lr { flex: 0 0 86px; width: 86px; font-variant-numeric: tabular-nums; }
.drop { background: none; border: none; color: var(--faint); font-size: 18px;
  cursor: pointer; padding: 0 4px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.row > button { flex: 1 1 0; min-width: 100px; }
.ghost { min-height: 44px; padding: 10px 14px; cursor: pointer; border-radius: 11px;
  border: 1px solid var(--line); background: #1b2226; color: var(--ink); }
.ghost:active { filter: brightness(1.2); }
.chain { margin-top: 10px; }

.foot { text-align: center; padding: 6px 12px max(18px, env(safe-area-inset-bottom));
  color: var(--faint); font-size: 11px; }