:root{--bg:#fbfbfa;--surface:#fff;--surface-2:#f3f3f1;--text:#1c1c1e;--muted:#62626a;--border:#e4e4e0;--accent:#2f5bea;--accent-soft:#e8edfd;--mark:#fff4c2;--radius:10px;--shadow:0 1px 2px #0000000a, 0 4px 16px #0000000a;--font:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, "SF Mono", Menlo, monospace;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#111113;--surface:#19191c;--surface-2:#222226;--text:#ececee;--muted:#9d9da6;--border:#2e2e33;--accent:#7c9cff;--accent-soft:#1f2846;--mark:#4a3f10;--shadow:none;color-scheme:dark}}:root[data-theme=dark]{--bg:#111113;--surface:#19191c;--surface-2:#222226;--text:#ececee;--muted:#9d9da6;--border:#2e2e33;--accent:#7c9cff;--accent-soft:#1f2846;--mark:#4a3f10;--shadow:none;color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font:16px/1.6 var(--font);margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{letter-spacing:-.01em;line-height:1.25}h1{margin:0 0 .4em;font-size:clamp(1.7rem,4vw,2.3rem)}code,kbd{font-family:var(--mono);font-size:.88em}code{background:var(--surface-2);border-radius:5px;padding:.1em .35em}.topbar{z-index:10;background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0}.topbar-inner{align-items:center;gap:18px;max-width:1180px;margin:0 auto;padding:10px 16px;display:flex}.brand{color:var(--text);white-space:nowrap;align-items:center;gap:8px;font-size:1.02rem;display:flex}.brand:hover{text-decoration:none}.brand-mark{background:var(--accent);color:#fff;border-radius:7px;place-items:center;width:26px;height:26px;font-size:.9rem;font-weight:700;display:grid}.nav{scrollbar-width:none;flex:1;gap:4px;display:flex;overflow-x:auto}.nav a{color:var(--muted);white-space:nowrap;border-radius:7px;padding:5px 10px;font-size:.94rem}.nav a:hover,.nav a.active{color:var(--text);background:var(--surface-2);text-decoration:none}.search-btn{border:1px solid var(--border);background:var(--surface);color:var(--muted);font:inherit;cursor:pointer;border-radius:8px;align-items:center;gap:8px;min-width:170px;padding:6px 10px;font-size:.9rem;display:flex}.search-btn kbd{border:1px solid var(--border);border-radius:4px;margin-left:auto;padding:0 5px;font-size:.75rem}.theme-btn{color:var(--muted);cursor:pointer;background:0 0;border:0;padding:4px;font-size:1.1rem}@media (width<=760px){.topbar-inner{flex-wrap:wrap;gap:8px 12px}.nav{flex-basis:100%;order:3}.search-btn{min-width:0;margin-left:auto}.search-btn span,.search-btn kbd{display:none}}.search-dialog{border:1px solid var(--border);background:var(--surface);width:min(720px,100vw - 32px);max-height:80vh;color:var(--text);border-radius:14px;margin:8vh auto auto;padding:18px;box-shadow:0 20px 60px #00000040}.search-dialog::backdrop{background:#00000059}.search-hint{color:var(--muted);margin:10px 0 0;font-size:.8rem}#search{--pagefind-ui-primary:var(--accent);--pagefind-ui-text:var(--text);--pagefind-ui-background:var(--surface);--pagefind-ui-border:var(--border);--pagefind-ui-tag:var(--surface-2);--pagefind-ui-font:var(--font);--pagefind-ui-border-radius:8px}#search mark{background:var(--mark);color:inherit}.page{max-width:1180px;margin:0 auto;padding:28px 16px 64px}.footer{border-top:1px solid var(--border);color:var(--muted);font-size:.85rem}.footer p{max-width:1180px;margin:0 auto;padding:20px 16px}.muted{color:var(--muted)}.eyebrow{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.82rem;font-weight:600}.lede{color:var(--muted);max-width:62ch;margin-top:0;font-size:1.12rem}.note-layout>*{min-width:0}.note-layout{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:48px;display:grid}@media (width<=960px){.note-layout{grid-template-columns:1fr;gap:28px}}.breadcrumb{color:var(--muted);flex-wrap:wrap;gap:6px;margin-bottom:10px;font-size:.86rem;display:flex}.breadcrumb a{color:var(--muted)}.summary{color:var(--muted);margin:0 0 14px;font-size:1.1rem}.meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:26px;font-size:.84rem;display:flex}.tag{background:var(--surface-2);color:var(--muted);border-radius:999px;padding:1px 9px;font-size:.8rem;display:inline-block}.tag:hover{color:var(--text);text-decoration:none}.dot{border-radius:50%;flex:none;width:9px;height:9px;display:inline-block}.prose{max-width:72ch}.prose.no-title>h1:first-child{display:none}.prose h2{border-bottom:1px solid var(--border);margin:1.8em 0 .5em;padding-bottom:.25em;font-size:1.32rem}.prose h3{margin:1.5em 0 .4em;font-size:1.08rem}.prose li{margin:.25em 0}.prose ul,.prose ol{padding-left:1.3em}.prose table{border-collapse:collapse;width:100%;font-size:.92rem;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:6px 10px}.prose th{background:var(--surface-2)}.prose blockquote{border-left:3px solid var(--border);color:var(--muted);margin:1em 0;padding:.2em 1em}.prose sup a{padding:0 1px;font-size:.75em}.prose .footnotes{color:var(--muted);margin-top:2.5em;font-size:.88rem}.prose .footnotes h2{font-size:1rem}.prose .footnotes li{margin:.15em 0}.prose .footnotes p{margin:0}.aside{flex-direction:column;gap:22px;font-size:.92rem;display:flex;position:sticky;top:76px}@media (width<=960px){.aside{position:static}}.aside h3{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 8px;font-size:.78rem}.aside ul{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.aside li a{display:block}.aside .src{color:var(--muted);font-size:.82rem}.mini-graph{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);height:240px;overflow:hidden}.mini-graph,.graph-wrap{width:100%;min-width:0;max-width:100%}.mini-graph canvas,.graph-wrap canvas{max-width:100%;display:block}.grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;display:grid}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);box-shadow:var(--shadow);padding:16px 18px;transition:border-color .15s;display:block}a.card:hover{border-color:var(--accent);text-decoration:none}.card h3{align-items:center;gap:8px;margin:0 0 4px;font-size:1.04rem;display:flex}.card p{color:var(--muted);margin:0;font-size:.9rem}.card .count{color:var(--muted);margin-top:10px;font-size:.8rem}.note-list{gap:2px;margin:0;padding:0;list-style:none;display:grid}.note-list li a{color:var(--text);border-radius:8px;padding:9px 12px;display:block}.note-list li a:hover{background:var(--surface-2);text-decoration:none}.note-list .t{font-weight:550}.note-list .s{color:var(--muted);font-size:.88rem;line-height:1.45;display:block}.section{margin-top:44px}.section-head{justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:12px;display:flex}.section-head h2{align-items:center;gap:10px;margin:0;font-size:1.3rem;display:flex}.hero{padding:24px 0 8px}.hero h1{max-width:18ch;font-size:clamp(2rem,5vw,3rem)}.hero-search{border:1px solid var(--border);background:var(--surface);width:100%;max-width:560px;color:var(--muted);font:inherit;cursor:text;box-shadow:var(--shadow);text-align:left;border-radius:12px;align-items:center;gap:10px;margin-top:22px;padding:13px 16px;display:flex}.stats{color:var(--muted);flex-wrap:wrap;gap:8px 22px;margin-top:18px;font-size:.9rem;display:flex}.stats b{color:var(--text)}.callout{background:var(--accent-soft);border-radius:var(--radius);padding:14px 18px}.callout p{margin:.3em 0}pre{background:var(--surface-2);border-radius:8px;padding:12px 14px;font-size:.86rem;overflow-x:auto}pre code{background:0 0;padding:0}.graph-wrap{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);height:calc(100vh - 210px);min-height:460px;position:relative;overflow:hidden}.graph-legend{flex-wrap:wrap;gap:6px;margin:0 0 12px;display:flex}.graph-legend button{border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:3px 11px;font-size:.84rem;display:flex}.graph-legend button[aria-pressed=false]{opacity:.45}.graph-tip{background:var(--surface);border:1px solid var(--border);max-width:420px;box-shadow:var(--shadow);pointer-events:none;border-radius:8px;padding:10px 12px;font-size:.86rem;position:absolute;bottom:12px;left:12px;right:12px}.graph-tip b{display:block}