@font-face { font-family: "Geist"; src: url("/fonts/Geist-Variable.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  color-scheme: dark light;
  --bg: #141414; --panel: #1c1c1c; --under: #0d0d0d; --text: #f4f4f4;
  --muted: rgb(255 255 255 / 0.72); --faint: rgb(255 255 255 / 0.5);
  --line: rgb(255 255 255 / 0.09); --line-2: rgb(255 255 255 / 0.18);
  --accent: #339cff; --accent-text: #99ceff; --wash: rgb(51 156 255 / 0.12);
  --warn: #fb6a22; --ok: #3ecf8e;
  --code-key: #99ceff; --code-str: #b6e3a8; --code-lit: #f2a65a; --code-com: rgb(255 255 255 / 0.4);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --top: 60px; --side: 270px; --toc: 230px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fff; --panel: #f7f7f8; --under: #f3f4f6; --text: #1a1c1f;
    --muted: rgb(26 28 31 / 0.74); --faint: rgb(26 28 31 / 0.55);
    --line: rgb(26 28 31 / 0.1); --line-2: rgb(26 28 31 / 0.2);
    --accent: #0285ff; --accent-text: #0066cc; --wash: rgb(2 133 255 / 0.09);
    --warn: #c2410c; --ok: #15803d;
    --code-key: #0b5cad; --code-str: #1a7f37; --code-lit: #b45309; --code-com: rgb(26 28 31 / 0.45);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--top) + 24px); }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 1rem/1.7 "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent-text); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* top bar */
.top { position: sticky; top: 0; z-index: 20; height: var(--top); display: flex; align-items: center; gap: 16px; padding: 0 clamp(16px, 3vw, 32px); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.mark { width: 22px; height: 22px; background: var(--text); -webkit-mask: url(/img/vigil-logo.png) center / contain no-repeat; mask: url(/img/vigil-logo.png) center / contain no-repeat; }
.crumb { color: var(--faint); padding-left: 16px; border-left: 1px solid var(--line-2); font-size: 0.9375rem; }
.search { margin-left: auto; display: flex; align-items: center; gap: 24px; min-width: min(320px, 40vw); padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--panel); color: var(--faint); font: inherit; font-size: 0.875rem; cursor: pointer; }
.search:hover { border-color: var(--faint); }
kbd { margin-left: auto; font: 0.75rem var(--mono); padding: 1px 6px; border-radius: 5px; border: 1px solid var(--line-2); }
.links { display: flex; gap: 20px; font-size: 0.9375rem; }
.links a { color: var(--muted); }
.menu { display: none; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--line-2); background: none; color: var(--text); font: inherit; font-size: 0.875rem; }

/* layout */
.shell { display: grid; grid-template-columns: var(--side) minmax(0, 1fr) var(--toc); gap: clamp(24px, 4vw, 56px); max-width: 1440px; margin: 0 auto; padding: 0 clamp(16px, 3vw, 32px); }
.side { position: sticky; top: var(--top); align-self: start; height: calc(100vh - var(--top)); overflow-y: auto; padding: 28px 0 40px; font-size: 0.9375rem; }
.nav-group { margin-bottom: 26px; }
.nav-group h4, .toc h4 { margin: 0 0 8px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--faint); }
.side a { display: block; padding: 5px 12px; margin-left: -12px; border-radius: 8px; color: var(--muted); }
.side a:hover { color: var(--text); text-decoration: none; background: var(--panel); }
.side a[aria-current] { color: var(--accent-text); background: var(--wash); font-weight: 500; }
.toc { position: sticky; top: var(--top); align-self: start; max-height: calc(100vh - var(--top)); overflow-y: auto; padding: 36px 0 40px; font-size: 0.875rem; }
.toc a { display: block; padding: 4px 0 4px 14px; border-left: 1px solid var(--line); color: var(--faint); }
.toc a.l3 { padding-left: 28px; }
.toc a:hover { color: var(--text); text-decoration: none; }
.toc a.on { color: var(--accent-text); border-left-color: var(--accent); }

main { padding: 44px 0 80px; min-width: 0; max-width: 780px; }
.eyebrow { margin: 0 0 10px; font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent-text); }
h1 { margin: 0 0 20px; font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 600; letter-spacing: -0.035em; line-height: 1.1; }
article > p:first-of-type { font-size: 1.1875rem; color: var(--muted); line-height: 1.6; }
h2 { margin: 56px 0 14px; font-size: 1.625rem; font-weight: 600; letter-spacing: -0.025em; line-height: 1.2; }
h3 { margin: 36px 0 10px; font-size: 1.1875rem; font-weight: 600; letter-spacing: -0.015em; }
h2, h3 { position: relative; }
.anchor { position: absolute; left: -1.25rem; color: var(--faint); opacity: 0; font-weight: 400; }
h2:hover .anchor, h3:hover .anchor, .anchor:focus { opacity: 1; text-decoration: none; }
p, ul, ol { margin: 0 0 18px; }
ul, ol { padding-left: 1.4rem; }
li { margin-bottom: 6px; }
li::marker { color: var(--faint); }
strong { font-weight: 600; }
hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
code { font: 0.875em var(--mono); padding: 0.15em 0.4em; border-radius: 6px; background: var(--panel); border: 1px solid var(--line); }

.code { margin: 22px 0 26px; border-radius: 12px; border: 1px solid var(--line-2); background: var(--under); overflow: hidden; }
.code-head { display: flex; justify-content: space-between; align-items: center; padding: 8px 8px 8px 16px; border-bottom: 1px solid var(--line); font: 0.75rem var(--mono); color: var(--faint); text-transform: lowercase; }
.code-head button { padding: 4px 10px; border-radius: 7px; border: 1px solid var(--line-2); background: none; color: var(--muted); font: inherit; cursor: pointer; }
.code-head button:hover { color: var(--text); }
pre { margin: 0; padding: 16px 20px; overflow-x: auto; font: 0.8125rem/1.7 var(--mono); }
pre code { padding: 0; border: 0; background: none; font: inherit; color: var(--text); }
pre i { font-style: normal; }
.k { color: var(--code-key); } .s { color: var(--code-str); } .l, .n { color: var(--code-lit); } .c { color: var(--code-com); }

.table { margin: 22px 0 28px; overflow-x: auto; border: 1px solid var(--line-2); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
th, td { padding: 11px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { background: var(--panel); font-size: 0.8125rem; font-weight: 600; color: var(--muted); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }

.callout { margin: 22px 0 26px; padding: 14px 18px; border-radius: 12px; border: 1px solid var(--line-2); border-left: 3px solid var(--accent); background: var(--wash); font-size: 0.9375rem; color: var(--muted); }
.callout strong { display: block; margin-bottom: 2px; color: var(--text); font-size: 0.8125rem; letter-spacing: 0.04em; text-transform: uppercase; }
.callout.warning { border-left-color: var(--warn); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.callout.tip { border-left-color: var(--ok); background: color-mix(in srgb, var(--ok) 9%, transparent); }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin: 26px 0 34px; }
.card { display: flex; flex-direction: column; gap: 6px; padding: 20px 22px; border-radius: 14px; border: 1px solid var(--line-2); background: var(--panel); color: var(--text); transition: border-color 0.2s, transform 0.3s; }
.card:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.card strong { font-size: 1.0625rem; letter-spacing: -0.015em; }
.card span { color: var(--muted); font-size: 0.9375rem; line-height: 1.5; }
@media (max-width: 640px) { .cards { grid-template-columns: 1fr; } }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; }
.pager a { display: block; padding: 16px 20px; border-radius: 12px; border: 1px solid var(--line-2); color: var(--text); font-weight: 500; }
.pager a:hover { border-color: var(--accent); text-decoration: none; }
.pager small { display: block; color: var(--faint); font-weight: 400; font-size: 0.8125rem; }
.pager .next { grid-column: 2; text-align: right; }

/* search */
.finder { width: min(640px, calc(100vw - 32px)); margin-top: 12vh; padding: 0; border-radius: 16px; border: 1px solid var(--line-2); background: var(--panel); color: var(--text); box-shadow: 0 30px 80px rgb(0 0 0 / 0.5); }
.finder::backdrop { background: rgb(0 0 0 / 0.5); backdrop-filter: blur(3px); }
.finder input { width: 100%; padding: 18px 20px; border: 0; border-bottom: 1px solid var(--line); background: none; color: var(--text); font: inherit; font-size: 1.0625rem; outline: none; }
.finder ul { margin: 0; padding: 8px; list-style: none; max-height: 52vh; overflow-y: auto; }
.finder li { margin: 0; }
.finder li a { display: block; padding: 10px 12px; border-radius: 10px; color: var(--text); }
.finder li a:hover, .finder li a.on { background: var(--wash); text-decoration: none; }
.finder small { display: block; color: var(--faint); font-size: 0.8125rem; }
.finder .none { padding: 18px 12px; color: var(--faint); }

@media (max-width: 1180px) {
  .shell { grid-template-columns: var(--side) minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 860px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .menu { display: block; }
  .links, .crumb { display: none; }
  .search { min-width: 0; flex: 1; }
  .side { display: none; position: fixed; inset: var(--top) 0 0 0; z-index: 15; height: auto; padding: 24px; background: var(--bg); }
  .side.open { display: block; }
  .anchor { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.notfound { max-width: 560px; margin: 0 auto; padding: clamp(72px, 16vh, 160px) 24px; }
.notfound h1 { margin: 0 0 12px; font-size: clamp(2rem, 5vw, 2.75rem); letter-spacing: -0.03em; line-height: 1.1; }
.notfound p { color: var(--muted); }
.notfound .actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; padding: 10px 18px; border-radius: 999px; background: var(--text); color: var(--bg); font-weight: 500; }
.btn:hover { text-decoration: none; opacity: 0.88; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line-2); }