:root {
    --canvas: #08080a;
    --surface: #111116;
    --surface-raised: #19191f;
    --line: #303036;
    --line-strong: #4e4e58;
    --ink: #f7f4f6;
    --ink-muted: #c3bec3;
    --ink-subtle: #918b92;
    --pink: #ff4f91;
    --pink-hover: #ff72aa;
    --pink-wash: rgba(255, 79, 145, .12);
    --font-sans: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "JetBrains Mono", Consolas, monospace;
    --syntax-kw: #ff87b8;
    --syntax-type: #68c7b1;
    --syntax-cm: #94ad7c;
    --syntax-num: #d5c681;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { min-width: 320px; margin: 0; background: var(--canvas); color: var(--ink-muted); font: 14px/1.7 var(--font-sans); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; }

aside { position: fixed; inset: 0 auto 0 0; width: 258px; overflow-y: auto; padding: 26px 0; background: var(--surface); border-right: 1px solid var(--line); }
.sidebar-header { margin-bottom: 24px; padding: 0 22px 18px; border-bottom: 1px solid var(--line); }
.sidebar-title { color: var(--pink); font: 700 15px var(--font-mono); letter-spacing: .05em; text-decoration: none; }
.sidebar-title:hover { color: var(--pink-hover); }
.sidebar-subtitle { margin-top: 5px; color: var(--ink-subtle); font: 10px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.nav-group { margin-bottom: 21px; }
.nav-group-title { padding: 0 22px 6px; color: var(--ink-subtle); font: 700 10px var(--font-mono); letter-spacing: .11em; text-transform: uppercase; }
.nav-items { margin: 0; padding: 0; list-style: none; }
.nav-items a { display: block; padding: 5px 22px; color: var(--ink-muted); font-size: 12px; text-decoration: none; }
.nav-items a:hover { color: var(--ink); background: var(--pink-wash); }

main { max-width: 1060px; margin-left: 258px; padding: 54px clamp(26px, 5vw, 76px) 80px; }
.header-box { margin-bottom: 36px; padding-bottom: 28px; border-bottom: 1px solid var(--line-strong); }
h1, h2, h3 { color: var(--ink); line-height: 1.2; }
h1 { margin: 0 0 12px; font-size: clamp(32px, 4vw, 48px); letter-spacing: -.055em; }
h2 { margin: 0 0 16px; font-size: 23px; letter-spacing: -.025em; }
h3 { margin: 27px 0 10px; font-size: 16px; }
p { margin: 0 0 15px; }
ol { margin: 0 0 16px; padding-left: 22px; }
li + li { margin-top: 5px; }
.section-card { margin-bottom: 48px; padding-bottom: 45px; border-bottom: 1px solid var(--line); }
code { padding: 1px 5px; border: 1px solid var(--line); border-radius: 3px; background: var(--surface-raised); color: #ffc1d9; font: .9em var(--font-mono); }

.info-callout { margin: 20px 0; padding: 14px 16px; background: var(--pink-wash); border-left: 3px solid var(--pink); }
.info-callout p { margin: 0; color: var(--ink-muted); }
table { width: 100%; margin: 20px 0; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--ink); background: var(--surface-raised); font-weight: 600; }
td { color: var(--ink-muted); }

.code-box { margin: 20px 0; overflow: hidden; border: 1px solid var(--line-strong); border-top-color: var(--pink); border-radius: 5px; background: #050506; }
.code-box-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 9px 13px; border-bottom: 1px solid var(--line); background: var(--surface); color: var(--ink-subtle); font: 11px var(--font-mono); }
.copy-btn { padding: 5px 9px; border: 1px solid var(--line-strong); border-radius: 3px; background: transparent; color: var(--ink-muted); font: 600 11px var(--font-sans); cursor: pointer; }
.copy-btn:hover { border-color: var(--pink); color: var(--pink-hover); }
pre { margin: 0; padding: 18px 20px; overflow-x: auto; color: var(--ink-muted); font: 12px/1.65 var(--font-mono); }
.kw { color: var(--syntax-kw); font-weight: 700; }.type { color: var(--syntax-type); }.cm { color: var(--syntax-cm); font-style: italic; }.num { color: var(--syntax-num); }

@media (max-width: 800px) {
    aside { position: static; width: auto; padding: 18px 0 14px; border-right: 0; border-bottom: 1px solid var(--line); }
    .sidebar-header { margin-bottom: 15px; padding-bottom: 13px; }
    .nav-group { margin-bottom: 14px; }
    .nav-items { display: flex; flex-wrap: wrap; gap: 2px 14px; padding: 0 22px; }
    .nav-items a { padding: 3px 0; }
    main { margin-left: 0; padding: 36px 20px 60px; }
    .header-box { margin-bottom: 30px; }
    .section-card { margin-bottom: 36px; padding-bottom: 34px; }
    table { display: block; overflow-x: auto; white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }