:root{color-scheme:light;--page:#f9f9f7;--surface:#fcfcfb;--card:#ffffff;--ink:#0b0b0b;--ink2:#52514e;--muted:#6f6d68;--grid:#e1e0d9;--axis:#c3c2b7;--ring:rgba(11,11,11,.10);--accent:#1c5cab;--accent-ink:#ffffff;--s1:#2a78d6;--s2:#eb6834;--s3:#1baf7a;--s4:#eda100;--s5:#e87ba4;--note:#f3f2ee;--focus:#2a78d6}
@media (prefers-color-scheme:dark){:root:where(:not([data-theme="light"])){color-scheme:dark;--page:#0d0d0d;--surface:#1a1a19;--card:#151514;--ink:#f0efec;--ink2:#c3c2b7;--muted:#a3a198;--grid:#2c2c2a;--axis:#383835;--ring:rgba(255,255,255,.10);--accent:#86b6ef;--accent-ink:#0b0b0b;--s1:#3987e5;--s2:#d95926;--s3:#199e70;--s4:#c98500;--s5:#d55181;--note:#1f1f1d;--focus:#86b6ef}}
:root[data-theme="dark"]{color-scheme:dark;--page:#0d0d0d;--surface:#1a1a19;--card:#151514;--ink:#f0efec;--ink2:#c3c2b7;--muted:#a3a198;--grid:#2c2c2a;--axis:#383835;--ring:rgba(255,255,255,.10);--accent:#86b6ef;--accent-ink:#0b0b0b;--s1:#3987e5;--s2:#d95926;--s3:#199e70;--s4:#c98500;--s5:#d55181;--note:#1f1f1d;--focus:#86b6ef}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--page);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent);text-underline-offset:2px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:8px;background:var(--card);padding:8px;z-index:9}
header.top{border-bottom:1px solid var(--grid);background:var(--surface)}
header.top .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;padding-top:10px;padding-bottom:10px}
.brand{font-weight:700;color:var(--ink);text-decoration:none;font-size:17px;letter-spacing:-.01em}
.brand span{color:var(--muted);font-weight:500}
nav.main{display:flex;gap:16px;flex-wrap:wrap;font-size:15px}
nav.main a{color:var(--ink2);text-decoration:none}nav.main a:hover{color:var(--ink);text-decoration:underline}
.search{position:relative;flex:1 1 260px;max-width:420px;margin-left:auto}
.search input{width:100%;padding:9px 12px;border:1px solid var(--axis);border-radius:8px;background:var(--card);color:var(--ink);font:inherit}
.search ul{position:absolute;z-index:5;left:0;right:0;top:100%;margin:4px 0 0;padding:4px;list-style:none;background:var(--card);border:1px solid var(--grid);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.12);max-height:60vh;overflow:auto}
.search li a{display:block;padding:8px 10px;border-radius:6px;color:var(--ink);text-decoration:none}
.search li a:hover,.search li a[aria-selected="true"]{background:var(--note)}
.search li small{display:block;color:var(--muted)}
main{padding:20px 0 48px}
h1{font-size:clamp(24px,4.4vw,34px);line-height:1.2;margin:6px 0 8px;letter-spacing:-.015em}
h2{font-size:21px;line-height:1.3;margin:0 0 10px;letter-spacing:-.01em}
h3{font-size:17px;margin:18px 0 6px}
p{margin:0 0 12px}
.crumbs{font-size:14px;color:var(--muted);margin:0}.crumbs a{color:var(--ink2)}
.sub{color:var(--ink2);margin:0 0 6px}
.meta{font-size:14px;color:var(--muted);margin:0 0 14px}
.lede{font-size:18px;color:var(--ink2);max-width:760px}
.card{background:var(--card);border:1px solid var(--grid);border-radius:12px;padding:18px;margin:0 0 16px}
.card>h2 small,.cap{font-size:13px;font-weight:400;color:var(--muted)}
.cap{display:block;margin:-6px 0 12px}
.grid2{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:860px){.grid2{grid-template-columns:1fr 1fr}.grid2>.card{margin:0}}
.brief{font-size:17px;max-width:780px}
main a[href^="#f"]{color:inherit;text-decoration:underline dotted var(--axis);text-underline-offset:3px}
main a[href^="#f"]:hover{text-decoration-color:var(--accent);color:var(--accent)}
.bar{display:flex;gap:2px;height:22px;margin:6px 0 10px;background:var(--surface)}
.bar span{display:block;height:100%;min-width:2px}
.bar span:first-child{border-radius:4px 0 0 4px}.bar span:last-child{border-radius:0 4px 4px 0}.bar span:only-child{border-radius:4px}
.legend{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.legend li{display:grid;grid-template-columns:12px 1fr auto;gap:8px;align-items:baseline}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block;transform:translateY(1px)}
.legend b{font-variant-numeric:tabular-nums;font-weight:600}
.legend small{grid-column:2/4;color:var(--muted);margin-top:-4px}
.c1{background:var(--s1)}.c2{background:var(--s2)}.c3{background:var(--s3)}.c4{background:var(--s4)}.c5{background:var(--s5)}
.hundred{font-size:15px;color:var(--ink2);margin:0 0 4px}
.ctx{font-size:14px;color:var(--muted);margin:10px 0 0}
.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl th,.tbl td{text-align:left;padding:8px 8px 8px 0;border-bottom:1px solid var(--grid);vertical-align:top}
.tbl th{font-size:13px;font-weight:600;color:var(--muted)}
.tbl td.r,.tbl th.r{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl caption{caption-side:top;text-align:left;font-size:13px;color:var(--muted);padding:0 0 10px}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.src{font-size:13px;color:var(--muted)}
.facts{list-style:none;margin:0;padding:0;display:grid;gap:4px;font-size:15px}
.facts li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--grid);padding:6px 0}
.facts li:last-child{border-bottom:0}
.facts span:last-child{font-weight:600;white-space:nowrap}
.prog{border-top:1px solid var(--grid);padding:12px 0 0;margin-top:12px}.prog:first-of-type{border-top:0;margin-top:0;padding-top:0}
.prog p{margin:4px 0 0;color:var(--ink2);font-size:15px}
.note{background:var(--note);border-radius:10px;padding:12px 14px;font-size:14px;color:var(--ink2)}
.reply{border:1px solid var(--axis)}
.btns{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 0}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:8px;border:1px solid var(--axis);background:var(--card);color:var(--ink);font:inherit;font-size:14px;text-decoration:none;cursor:pointer;min-height:40px}
.btn:hover{border-color:var(--ink2)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
textarea.embed{width:100%;min-height:70px;font:13px/1.4 ui-monospace,Menlo,monospace;padding:8px;border:1px solid var(--axis);border-radius:8px;background:var(--surface);color:var(--ink)}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
.chart .gl{stroke:var(--grid);stroke-width:1}.chart .ax{stroke:var(--axis);stroke-width:1}
.chart text{fill:var(--muted);font-size:12px;font-family:inherit}.chart text.m{text-anchor:middle}.chart text.e{text-anchor:end}
.chart .l1{stroke:var(--s1)}.chart .l2{stroke:var(--s2)}
.chart .d1{fill:var(--s1)}.chart .d2{fill:var(--s2)}
.chart .ln{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.chart .dot{stroke:var(--card);stroke-width:2}
.chart .hit{fill:transparent}
.chart .xh{stroke:var(--axis);stroke-width:1;visibility:hidden}
.tip{position:absolute;pointer-events:none;background:var(--card);border:1px solid var(--grid);border-radius:8px;padding:8px 10px;font-size:13px;box-shadow:0 6px 18px rgba(0,0,0,.14);min-width:150px;z-index:6}
.tip b{display:block;font-size:14px}.tip div{display:flex;align-items:center;gap:6px;justify-content:space-between}
.tip i{display:inline-block;width:12px;height:2px}
.chart{position:relative}
.keyrow{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink2);margin:4px 0 8px}
.keyrow i{display:inline-block;width:14px;height:2px;vertical-align:middle;margin-right:6px}
.list{list-style:none;margin:0;padding:0}
.list li{padding:10px 0;border-bottom:1px solid var(--grid)}
.list li:last-child{border-bottom:0}
.list .t{font-weight:600}
.list .s{font-size:14px;color:var(--muted)}
.mini{display:flex;gap:2px;height:8px;margin-top:6px;max-width:320px}
.mini span{display:block;height:100%}
.mini span:first-child{border-radius:3px 0 0 3px}.mini span:last-child{border-radius:0 3px 3px 0}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px;list-style:none;margin:0;padding:0}
.tiles a{display:block;padding:12px 14px;border:1px solid var(--grid);border-radius:10px;background:var(--card);text-decoration:none;color:var(--ink)}
.tiles a:hover{border-color:var(--axis)}
.tiles small{display:block;color:var(--muted)}
.hero{padding:10px 0 6px}
.hero .search{max-width:640px;margin:14px 0 6px}
.hero .search input{padding:14px 16px;font-size:17px;border-radius:10px}
.pill{display:inline-block;font-size:13px;padding:2px 8px;border-radius:999px;background:var(--note);color:var(--ink2)}
.prose{max-width:760px}.prose h2{margin-top:28px}.prose li{margin:4px 0}
footer.bot{border-top:1px solid var(--grid);background:var(--surface);font-size:14px;color:var(--muted)}
footer.bot .wrap{padding-top:18px;padding-bottom:28px}
footer.bot a{color:var(--ink2)}
.support{border:1px dashed var(--axis)}
.cmp td,.cmp th{min-width:140px}
.embedcard{font:14px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;padding:14px;background:var(--card);color:var(--ink);border:1px solid var(--grid);border-radius:12px;max-width:420px}
.embedcard h1{font-size:16px;margin:0 0 2px}
@media print{header.top,footer.bot,.btns,.search,.share{display:none}}
@media(max-width:520px){.tbl{font-size:14px}.card{padding:14px}.legend li{grid-template-columns:12px 1fr auto}}