:root {
  color-scheme: light dark;
  --bg: #fbfbf9; --fg: #1a1a1a; --muted: #6b6b66; --line: #dcdcd6; --panel: #ffffff;
  --link: #1f4fb3; --good: #2f7d4f; --warn: #a86a00; --bad: #b3261e; --shade: rgba(120,120,120,0.14);
  --mint: #2f7d4f; --burn: #b3261e; --accent: #1f4fb3; --banner: #fff3c4; --banner-fg: #5a4300;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131412; --fg: #ecebe6; --muted: #a09f98; --line: #34352f; --panel: #1c1d1a;
    --link: #8fb0ff; --good: #6fc48f; --warn: #e5b04a; --bad: #ff7b72; --shade: rgba(200,200,200,0.12);
    --mint: #6fc48f; --burn: #ff7b72; --accent: #8fb0ff; --banner: #4a3a00; --banner-fg: #ffe6a3;
  }
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; line-height: 1.5; }
a { color: var(--link); }
main { max-width: 1100px; margin: 0 auto; padding: 0 16px 48px; }
header.top { border-bottom: 1px solid var(--line); }
header.top .row { max-width: 1100px; margin: 0 auto; padding: 12px 16px; display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: baseline; }
header.top .brand { font-weight: 700; font-size: 1.15rem; color: var(--fg); text-decoration: none; }
header.top nav a { margin-right: 14px; text-decoration: none; }
header.top nav a[aria-current="page"] { text-decoration: underline; }
footer.bottom { border-top: 1px solid var(--line); margin-top: 24px; }
footer.bottom .row { max-width: 1100px; margin: 0 auto; padding: 16px; display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 0.9rem; }
h1 { font-size: 1.5rem; margin: 20px 0 6px; }
h2 { font-size: 1.15rem; margin: 28px 0 8px; }
p, li { max-width: 70ch; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.stamp { color: var(--muted); font-size: 0.9rem; margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; }
.badge { display: inline-block; border: 1px solid var(--line); border-radius: 4px; padding: 1px 8px; font-size: 0.8rem; }
.badge.closed { border-color: var(--warn); color: var(--warn); }
.banner { background: var(--banner); color: var(--banner-fg); border-radius: 6px; padding: 10px 14px; margin: 12px 0; font-weight: 600; }
.banner[hidden] { display: none; }
.notice { border: 1px solid var(--line); background: var(--panel); border-radius: 6px; padding: 10px 14px; margin: 12px 0; }
.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; white-space: nowrap; }
th { font-weight: 600; color: var(--muted); font-size: 0.85rem; }
td.num { text-align: right; }
th.num { text-align: right; }
td.blank { color: var(--muted); font-style: italic; white-space: normal; max-width: 22ch; }
.label { display: inline-block; border-radius: 4px; padding: 1px 8px; font-size: 0.85rem; border: 1px solid var(--line); }
.label.fine { color: var(--good); border-color: var(--good); }
.label.watch { color: var(--warn); border-color: var(--warn); }
.label.depegged { color: var(--bad); border-color: var(--bad); }
.premium { color: var(--good); } .discount { color: var(--bad); }
.chart { height: 260px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); position: relative; }
.chartblock { margin: 18px 0; }
.chartblock h2 { margin-top: 0; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 0.85rem; color: var(--muted); margin: 6px 0 0; }
.legend .sw { display: inline-block; width: 12px; height: 3px; vertical-align: middle; margin-right: 6px; }
.grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }
.grid > * { min-width: 0; }
@media (max-width: 800px) { .grid { grid-template-columns: 1fr; } }
.external { border: 1px dashed var(--line); border-radius: 6px; padding: 10px; margin: 12px 0; background: var(--panel); }
.external .tag { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.external iframe { width: 100%; height: 320px; border: 0; margin-top: 8px; }
select { font: inherit; padding: 4px 6px; background: var(--panel); color: var(--fg); border: 1px solid var(--line); border-radius: 4px; }
.filters { display: flex; flex-wrap: wrap; gap: 12px; margin: 12px 0; align-items: center; }
dl.method dt { font-weight: 600; margin-top: 10px; }
dl.method dd { margin: 0 0 4px 0; max-width: 70ch; }
.rule { font-size: 1.05rem; font-weight: 600; border-left: 3px solid var(--accent); padding-left: 12px; margin: 24px 0; }
.placeholder { background: var(--banner); color: var(--banner-fg); padding: 2px 6px; border-radius: 4px; }
code { font-size: 0.9em; background: var(--panel); border: 1px solid var(--line); padding: 0 4px; border-radius: 3px; }
pre { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px; overflow-x: auto; font-size: 0.85rem; }
.ok { color: var(--good); } .late { color: var(--bad); }