:root {
  --bg: #f4f6f2; --card: #ffffff; --ink: #14231c; --muted: #5a6b62; --line: #dfe6df;
  --brand: #146c43; --brand-ink: #ffffff; --accent: #0f4c81;
  --critical: #b42318; --critical-bg: #fde8e6; --high: #b54708; --high-bg: #fef0e1; --medium: #8a6d00; --medium-bg: #fdf6d8;
  --ok: #146c43; --ok-bg: #e3f4ea;
  --issued: #9cc9b0; --retired: #146c43; --transfer: #6b8fb8; --claim: #f0b44c; --conflict: #d92d20;
  --radius: 14px; --shadow: 0 1px 2px rgba(20, 35, 28, .06), 0 4px 18px rgba(20, 35, 28, .05);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.5; }
a { color: var(--accent); }
.skip { position: absolute; left: -999px; } .skip:focus { left: 12px; top: 12px; background: #fff; padding: 8px; z-index: 10; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.top { padding: 28px 32px 8px; max-width: 1240px; margin: 0 auto; }
.brand { font-weight: 700; font-size: 22px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.logo { color: var(--brand); }
.tag { font-size: 12px; font-weight: 600; color: var(--brand); background: var(--ok-bg); padding: 3px 10px; border-radius: 999px; }
.lede { color: var(--muted); max-width: 760px; margin: 8px 0 0; font-size: 16px; }
.tabs { max-width: 1240px; margin: 16px auto 0; padding: 0 32px; display: flex; gap: 6px; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.tabs button { background: none; border: 0; padding: 10px 14px; font: inherit; font-weight: 600; color: var(--muted); border-bottom: 3px solid transparent; cursor: pointer; }
.tabs button[aria-selected="true"] { color: var(--ink); border-color: var(--brand); }
main { max-width: 1240px; margin: 0 auto; padding: 20px 32px 40px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow); margin-bottom: 18px; }
h2 { font-size: 18px; margin: 0 0 6px; } h3 { font-size: 15px; margin: 18px 0 6px; }
.muted { color: var(--muted); margin: 0 0 12px; }
.loader { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; }
.loader-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.loader .status { grid-column: 1 / -1; margin: 0; color: var(--muted); }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 14px; border-radius: 10px; border: 1px solid var(--line); background: #fff; color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover { border-color: #b9c7bd; } .btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn.file input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.btn.file { position: relative; } .btn.file:focus-within { outline: 2px solid var(--accent); }
button:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.stat b { display: block; font-size: 24px; letter-spacing: -.02em; } .stat span { color: var(--muted); font-size: 13px; }
.stat.alert { background: var(--critical-bg); border-color: #f5c2bd; } .stat.alert b { color: var(--critical); }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.row-end { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; margin-top: 12px; } .row-end.tight { margin: 0; }
.filters { display: flex; gap: 6px; }
.chip { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 5px 12px; font: inherit; font-size: 13px; cursor: pointer; }
.chip.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; padding: 8px 10px; border-bottom: 1px solid var(--line); }
td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.sev { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 9px; border-radius: 999px; text-transform: capitalize; }
.sev.critical { background: var(--critical-bg); color: var(--critical); } .sev.high { background: var(--high-bg); color: var(--high); } .sev.medium { background: var(--medium-bg); color: var(--medium); }
.explain { color: var(--muted); font-size: 13px; margin-top: 4px; }
.linkish { background: none; border: 0; color: var(--accent); font: inherit; font-size: 13px; cursor: pointer; padding: 0; text-decoration: underline; }
.inline { display: flex; gap: 8px; align-items: center; font-weight: 600; font-size: 14px; }
.block { display: block; font-weight: 600; font-size: 14px; margin: 8px 0 12px; }
select { font: inherit; padding: 7px 10px; border-radius: 9px; border: 1px solid var(--line); background: #fff; margin-left: 6px; }
textarea { width: 100%; font: 12px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.map { overflow-x: auto; } .map svg { width: 100%; min-width: 760px; height: auto; display: block; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; list-style: none; padding: 0; margin: 10px 0 0; color: var(--muted); font-size: 13px; }
.sw { display: inline-block; width: 14px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: middle; }
.sw.issued { background: var(--issued); } .sw.retired { background: var(--retired); } .sw.transfer { background: var(--transfer); } .sw.claim { background: var(--claim); } .sw.conflict { background: var(--conflict); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.hash { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; word-break: break-all; }
.root { background: #f1f5f2; border: 1px dashed #b9c7bd; padding: 10px 12px; border-radius: 10px; margin: 12px 0; }
.banner { border-radius: 10px; padding: 10px 14px; margin: 12px 0; font-weight: 600; }
.banner.ok { background: var(--ok-bg); color: var(--ok); } .banner.bad { background: var(--critical-bg); color: var(--critical); }
.claims-list { list-style: none; padding: 0; margin: 0; } .claims-list li { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; display: flex; justify-content: space-between; gap: 10px; }
.flag { color: var(--critical); font-weight: 700; font-size: 12px; } .clean { color: var(--ok); font-weight: 700; font-size: 12px; }
tr.broken td { background: var(--critical-bg); }
.prose { max-width: 860px; } .prose li { margin: 4px 0; }
.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 0 16px 28px; }
@media (max-width: 980px) { .stats { grid-template-columns: repeat(3, 1fr); } .grid2 { grid-template-columns: 1fr; } .loader { grid-template-columns: 1fr; } .loader-actions { justify-content: flex-start; } }
@media (max-width: 560px) { .top, main, .tabs { padding-left: 16px; padding-right: 16px; } .stats { grid-template-columns: repeat(2, 1fr); } }
.fid { white-space: nowrap; }