:root{color-scheme:light dark;--ink:#1b302b;--muted:#5f716c;--bg:#f7f9f8;--panel:#fff;--line:#e3e9e6;--accent:#137c58}
@media (prefers-color-scheme:dark){:root{--ink:#e5ece9;--muted:#9fb0aa;--bg:#111816;--panel:#18211e;--line:#2a3632;--accent:#4cc79a}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--accent)}main{max-width:960px;margin:0 auto;padding:24px 16px 48px}
.site-header{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line);background:var(--panel)}
.brand{font-weight:700;color:var(--ink);text-decoration:none;display:inline-flex;align-items:center;gap:8px}.brand img{border-radius:7px}
.co{display:inline-flex;align-items:center;gap:7px}.co-list{display:flex;flex-wrap:wrap;gap:6px 14px}.co-title{display:flex;align-items:center;flex-wrap:wrap;gap:6px 12px}
.logo{flex:none;border-radius:6px;object-fit:contain;background:#fff;border:1px solid var(--line)}.logo-sm{width:24px;height:24px}.logo-lg{width:48px;height:48px;border-radius:10px}
.mono{display:inline-grid;place-items:center;font-weight:700;font-size:10px;letter-spacing:.02em;color:#fff;border:0}.logo-lg.mono{font-size:18px}
.mono.h0{background:#137c58}.mono.h1{background:#2f6fb0}.mono.h2{background:#b07a1c}.mono.h3{background:#9c3d6b}.mono.h4{background:#4f5d75}.mono.h5{background:#7a4fb0}.site-header nav{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:14px}.site-header nav a{text-decoration:none;color:var(--muted)}.site-header nav a[aria-current]{color:var(--accent);font-weight:600}
h1{font-size:28px;line-height:1.25;margin:8px 0 12px}h2{font-size:19px;margin:28px 0 8px}.symbol{color:var(--muted);font-weight:500;font-size:.7em}
.hero p{color:var(--muted);max-width:680px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px}.cards article{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}.cards h2{margin:0 0 6px;font-size:17px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--panel)}table{border-collapse:collapse;width:100%;font-size:14px;font-variant-numeric:tabular-nums}th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);white-space:nowrap}th{font-size:12px;color:var(--muted);font-weight:600}tr:last-child td{border-bottom:0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:16px 0}.facts div{padding:10px 14px;box-shadow:1px 1px 0 var(--line)}.facts dt{font-size:12px;color:var(--muted)}.facts dd{margin:2px 0 0;font-weight:600;overflow-wrap:anywhere}
.changes{list-style:none;padding:0}.changes li{padding:8px 0;border-bottom:1px solid var(--line)}.changes time{display:inline-block;min-width:110px;color:var(--muted);font-size:14px}
.links li{margin:4px 0}.note,.source,.empty,.crumbs{color:var(--muted);font-size:14px}.chart{margin:12px 0}.chart svg{width:100%;height:auto;display:block}.chart .lines path{fill:none;stroke-width:1.8}.chart .axis text{fill:var(--muted);font-size:11px}.chart figcaption{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}.chart figcaption svg{display:inline-block;width:12px;height:3px;vertical-align:middle}.chart i{display:inline-block;width:12px;height:3px;margin-right:6px;vertical-align:middle}.chart i.t28{background:#137c58}.chart i.t91{background:#2f6fb0}.chart i.t182{background:#b07a1c}.chart i.t364{background:#9c3d6b}
.terms dt{font-weight:600;margin-top:12px}.terms dd{margin:2px 0 0;color:var(--muted)}.example{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.calc{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:16px 0}.calc label{display:grid;gap:4px;font-size:13px;color:var(--muted)}.calc input,.calc select{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.big{font-size:22px;font-weight:700;margin:4px 0;font-variant-numeric:tabular-nums}.up{color:#10805b}.down{color:#c44953}.chart .lines path.index{stroke:var(--accent)}
.tag{display:inline-block;font-size:11px;padding:1px 7px;border-radius:9px;background:var(--line);color:var(--muted);vertical-align:1px}.src{font-size:11px;color:var(--muted);vertical-align:super}.brief{padding-left:20px}.brief li{margin:4px 0}
.watch{font:inherit;font-size:16px;line-height:1;background:none;border:0;color:var(--accent);cursor:pointer;padding:0 4px}.watch[hidden]{display:none}
.site-footer{max-width:960px;margin:0 auto;padding:16px 16px 40px;border-top:1px solid var(--line);color:var(--muted);font-size:13px}