:root {
  --bg: #f5f6f8; --card: #ffffff; --ink: #1d2433; --muted: #5d6677; --line: #e3e6eb; --soft: #eef1f5;
  --brand: #b3122d; --brand-ink: #ffffff; --accent: #1f5fae;
  --t1: #b42318; --t1bg: #fde8e7; --t2: #b54708; --t2bg: #fef0c7; --t3: #175cd3; --t3bg: #e0ebff;
  --t4: #475467; --t4bg: #eaecf0; --ok: #067647; --okbg: #dcfae6;
  --radius: 12px; --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
[x-cloak] { display: none !important; }
a { color: var(--accent); }
h1, h2, h3 { margin: 0 0 .4em; line-height: 1.25; }
h1 { font-size: 1.6rem; } h2 { font-size: 1.25rem; } h3 { font-size: 1.05rem; }
.muted { color: var(--muted); } .small { font-size: .85rem; } .mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .85em; }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }

header.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.top-inner { max-width: 1280px; margin: 0 auto; padding: 10px 24px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.logo { font-weight: 700; display: flex; align-items: center; gap: 10px; }
.logo-mark { width: 28px; height: 28px; border-radius: 8px; background: var(--brand); color: var(--brand-ink);
  display: grid; place-items: center; font-size: .8rem; }
.spacer { flex: 1; }
.steward input { border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; width: 170px; font: inherit; }
nav.tabs { max-width: 1280px; margin: 0 auto; padding: 0 24px; display: flex; gap: 4px; overflow-x: auto; }
nav.tabs button { border: 0; background: none; padding: 10px 14px; font: inherit; color: var(--muted); cursor: pointer;
  border-bottom: 3px solid transparent; white-space: nowrap; }
nav.tabs button.on { color: var(--ink); border-bottom-color: var(--brand); font-weight: 600; }
.badge { display: inline-block; min-width: 20px; padding: 0 6px; border-radius: 10px; background: var(--soft); color: var(--muted);
  font-size: .75rem; text-align: center; margin-left: 4px; }

main { max-width: 1280px; margin: 0 auto; padding: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; }
.grid { display: grid; gap: 16px; }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 1000px) { .g4, .g3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .g4, .g3, .g2 { grid-template-columns: 1fr; } main, .top-inner, nav.tabs { padding-left: 16px; padding-right: 16px; } }
.stack > * + * { margin-top: 16px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }

.hero { padding: 24px 24px 20px; }
.hero h1 { font-size: 1.9rem; }
.metric { position: relative; }
.metric .sys { font-weight: 600; color: var(--muted); font-size: .9rem; text-transform: uppercase; letter-spacing: .04em; }
.metric .big { font-size: 2.6rem; font-weight: 700; line-height: 1.1; margin: 6px 0; }
.metric .was { color: var(--muted); font-size: .9rem; text-decoration: line-through; margin-left: 6px; }
.gap { display: inline-block; padding: 2px 10px; border-radius: 999px; font-weight: 600; font-size: .85rem; }
.gap.bad { background: var(--t1bg); color: var(--t1); } .gap.good { background: var(--okbg); color: var(--ok); }
.metric.ref { border-color: #c9d3e3; background: #fbfcfe; }

.pill { display: inline-flex; align-items: center; gap: 4px; padding: 2px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; white-space: nowrap; }
.pill.t1 { background: var(--t1bg); color: var(--t1); } .pill.t2 { background: var(--t2bg); color: var(--t2); }
.pill.t3 { background: var(--t3bg); color: var(--t3); } .pill.t4 { background: var(--t4bg); color: var(--t4); }
.pill.ok { background: var(--okbg); color: var(--ok); } .pill.rej { background: var(--t4bg); color: var(--t4); }
.pill.open { background: var(--soft); color: var(--muted); } .pill.warn { background: var(--t2bg); color: var(--t2); }

.btn { border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 8px; padding: 8px 14px;
  font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { background: var(--soft); } .btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--ok); border-color: var(--ok); color: #fff; } .btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--t1); border-color: #f4b8b3; } .btn.brand { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.small { padding: 4px 10px; font-size: .85rem; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filters select, .filters input[type=search], textarea, .input { border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; font: inherit; background: #fff; }
.chip { border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px; background: #fff; cursor: pointer; font: inherit; font-size: .85rem; }
.chip.on { background: var(--ink); color: #fff; border-color: var(--ink); }

.fix { display: grid; grid-template-columns: 56px 1fr auto; gap: 14px; align-items: start; cursor: pointer; transition: border-color .1s; }
.fix:hover { border-color: #b8c2d3; }
.fix .rank { font-size: 1.2rem; font-weight: 700; color: var(--muted); text-align: center; padding-top: 2px; }
.fix .impact { font-weight: 700; }
.fix .expl { color: var(--muted); margin-top: 4px; font-size: .92rem; }
.fix.done { opacity: .6; }

.evidence { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.rec { border: 1px solid var(--line); border-radius: 10px; padding: 12px; background: #fff; font-size: .88rem; }
.rec.flag { border-color: var(--t1); box-shadow: 0 0 0 1px var(--t1) inset; }
.rec .head { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.rec table { width: 100%; border-collapse: collapse; }
.rec td { padding: 2px 0; vertical-align: top; } .rec td:first-child { color: var(--muted); padding-right: 8px; width: 46%; word-break: break-word; }
.rec td:last-child { word-break: break-word; }
.rec tr.hl td { background: #fff4d6; font-weight: 600; }
table.data { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.data th, table.data td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.breakdown li { display: flex; justify-content: space-between; gap: 12px; padding: 3px 0; border-bottom: 1px dashed var(--line); }
.breakdown { list-style: none; padding: 0; margin: 6px 0; font-size: .88rem; }
.pts { font-weight: 700; font-variant-numeric: tabular-nums; } .pts.neg { color: var(--t1); } .pts.zero { color: var(--muted); }
.chain { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: .88rem; margin: 6px 0; }
.chain .node { background: var(--soft); border-radius: 6px; padding: 3px 8px; }
.chain .node.report { background: var(--t3bg); color: var(--t3); } .chain .arrow { color: var(--muted); }
.option { display: flex; gap: 10px; align-items: center; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; margin: 6px 0; cursor: pointer; }
.option.sel { border-color: var(--ok); background: var(--okbg); }
.callout { border-left: 4px solid var(--t2); background: #fffaeb; padding: 10px 14px; border-radius: 8px; }
.callout.info { border-color: var(--accent); background: #f0f6ff; }
.toast { position: fixed; bottom: 20px; right: 20px; max-width: 420px; z-index: 50; }
.toast .card { border-left: 4px solid var(--ok); }
.toast .card.err { border-left-color: var(--t1); }
.back { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; margin-bottom: 10px; }
.delta-up { color: var(--t1); } .delta-down { color: var(--ok); }
.loading { padding: 40px; text-align: center; color: var(--muted); }
details summary { cursor: pointer; font-weight: 600; }