:root{--ink:#1d232b;--muted:#5b6672;--line:#d8dde3;--accent:#2b5d8a;--bg:#f6f7f9}
*{box-sizing:border-box}
body{font-family:"Segoe UI",Helvetica,Arial,sans-serif;margin:0;color:var(--ink);background:var(--bg);line-height:1.5}
header{background:#1d2b3a;color:#fff;padding:12px 28px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;position:sticky;top:0;z-index:2}
header .brand{color:#fff;font-weight:700;font-size:19px;text-decoration:none}
header nav a{color:#c9d3de;text-decoration:none;margin-right:18px;font-size:15px}
header nav a.active,header nav a:hover{color:#fff}
main{max-width:1180px;margin:0 auto;padding:12px 28px 48px}
footer{max-width:1180px;margin:0 auto;padding:16px 28px 40px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
a{color:var(--accent)}
h1{font-size:28px;line-height:1.25;margin:22px 0 12px}
h2{font-size:21px;margin:28px 0 10px}
h3{font-size:16px;margin:20px 0 8px}
section{background:#fff;border:1px solid var(--line);border-radius:6px;padding:6px 22px 16px;margin:22px 0}
pre{background:#f1f3f5;border:1px solid #e1e5ea;padding:10px;overflow:auto;font-size:12.5px;max-height:560px}
code{font-size:.92em}
table{border-collapse:collapse;font-size:14px;width:100%;margin:10px 0}
th,td{border:1px solid var(--line);padding:5px 7px;vertical-align:top;text-align:left}
th{background:#eef1f4}
td.num{text-align:right;font-variant-numeric:tabular-nums}
tr.total td{font-weight:600;background:#fafbfc}
table.golden{font-size:12.5px}
.note,.crumbs{color:var(--muted);font-size:14px}
.notice{background:#fff3cf;border:1px solid #dfc481;border-radius:4px;padding:10px 14px;font-size:14px}
.cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:16px 0}
.button{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:10px 18px;border-radius:4px;font-weight:600}
.button:hover{background:#1f4a70}
.kpi{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}
.kpi div{border:1px solid var(--line);border-radius:6px;padding:8px 14px;background:#fff;font-size:13px}
.kpi b{display:block;font-size:22px}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
figure{margin:0}
figure img{width:100%;border:1px solid #ccd3da;background:#fff}
figcaption{font-size:12px;color:var(--muted)}
.noshot{border:1px dashed #b5bec8;padding:30px;color:var(--muted);font-size:13px}
.diff .defect{color:#b3261e;font-weight:600}.diff .tolerated{color:#3d6b2f}.diff .unmapped{color:#6c5a00}
.diff .harness{color:#7a2a9a}.diff .waived{color:#1f5aa6}.diff .detail{color:#555}
details{margin:10px 0}
details summary{cursor:pointer;color:var(--accent)}
@media (max-width:760px){.pair{grid-template-columns:1fr}header{position:static}}