/* Guide: a quiet reference layout. Light and dark follow the system. */
:root {
  --page: #f3f4f7; --panel: #ffffff; --ink: #16181d; --ink-2: #5b606b; --ink-3: #8a8f99;
  --rule: rgb(22 24 29 / 0.1); --blue: #0a6cff; --stage-plain: #e6e8ee;
  --display: "Bricolage Grotesque", "Helvetica Neue", Arial, sans-serif;
  --body: "Geist", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --page: #0b0c10; --panel: #15171d; --ink: #f2f3f5; --ink-2: #a5aab4; --ink-3: #737883; --rule: rgb(242 243 245 / 0.1); --blue: #5aa2ff; --stage-plain: #1b1d24; color-scheme: dark; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--ink); font: 400 16px/1.6 var(--body); -webkit-font-smoothing: antialiased; }
a { color: var(--blue); }
code { font: 500 0.88em var(--mono); }
pre { margin: 0; background: var(--panel); border: 1px solid var(--rule); border-radius: 16px; padding: 16px 18px; overflow-x: auto; font: 400 13.5px/1.65 var(--mono); }
pre code { font: inherit; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; }
h1 { font-weight: 800; font-size: clamp(40px, 6vw, 64px); line-height: 1; letter-spacing: -0.03em; margin: 8px 0 16px; }
h2 { font-weight: 800; font-size: 34px; letter-spacing: -0.02em; margin: 0 0 12px; }
h3 { font-weight: 700; font-size: 21px; margin: 26px 0 8px; }
h4 { font: 600 13px/1 var(--body); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); margin: 22px 0 8px; }
p { max-width: 68ch; }
.muted { color: var(--ink-3); font-size: 14px; }

.layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); max-width: 1320px; margin: 0 auto; }
.side { position: sticky; top: 0; height: 100vh; overflow-y: auto; padding: 28px 20px; border-right: 1px solid var(--rule); }
.brand { display: block; font: 800 20px/1 var(--display); color: var(--ink); text-decoration: none; letter-spacing: -0.03em; margin-bottom: 26px; }
.brand span { color: var(--blue); }
#toc { display: grid; gap: 2px; }
#toc a { color: var(--ink-2); text-decoration: none; font-size: 14px; padding: 5px 10px; border-radius: 8px; }
#toc a.sub { font: 400 13px var(--mono); padding-left: 20px; }
#toc a:hover { background: var(--panel); color: var(--ink); }
.content { padding: 40px clamp(16px, 4vw, 56px) 100px; min-width: 0; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } .side { display: none; } }
section { padding-block: 40px; border-top: 1px solid var(--rule); }
.intro { padding-bottom: 30px; }
.eyebrow { font: 600 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); margin: 0; }
.lede { font-size: 18px; color: var(--ink-2); }
.notice { background: rgb(255 141 40 / 0.14); border-radius: 14px; padding: 12px 16px; font-size: 14px; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 16px; }

.stage { position: relative; overflow: hidden; isolation: isolate; border-radius: 22px; background: #1b1d3a; min-height: 180px; display: grid; place-items: center; padding: 28px 18px; margin: 14px 0; }
.stage.plain { background: var(--stage-plain); }
.stage.tall { min-height: 320px; align-items: start; justify-items: end; }
.stage > canvas.scene { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; display: block; }
.live { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: center; }
.stage.tall .live { align-items: flex-start; }
#ag-sheet .stage { padding: 0; }
#ag-sheet .live { position: absolute; inset: 0; }
#ag-glass .live ag-glass { color: inherit; }
.hero-stage { height: 440px; display: block; padding: 0; }
.probe { position: absolute; width: 240px; height: 132px; border-radius: 66px; cursor: grab; display: grid; place-items: center; font: 600 17px var(--ag-font); touch-action: none; }
.probe span { pointer-events: none; }
.controls { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; }
.controls label { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--ink-2); }

.component { padding-block: 28px; border-top: 1px dashed var(--rule); }
.component:first-child { border-top: 0; }
.component-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px; }
.component-head h3 { margin: 0; font-family: var(--mono); font-size: 20px; }
.react-name { font-size: 13px; color: var(--ink-3); }

.table { overflow-x: auto; background: var(--panel); border: 1px solid var(--rule); border-radius: 14px; }
.table table { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 9px 14px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.table th { font-size: 12px; color: var(--ink-3); font-weight: 600; }
.table tr:last-child td { border-bottom: 0; }
.table td:first-child { white-space: nowrap; }

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 12px 0; }
.pair img { width: 100%; border-radius: 12px; display: block; }
@media (max-width: 700px) { .pair { grid-template-columns: 1fr; } }

.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.sw { background: var(--panel); border-radius: 14px; overflow: hidden; font-size: 12px; border: 1px solid var(--rule); }
.sw i { display: block; height: 48px; }
.sw div { padding: 8px 10px; display: grid; }
.sw code { color: var(--ink-3); }
.type-scale { background: var(--panel); border: 1px solid var(--rule); border-radius: 16px; padding: 16px; overflow-x: auto; display: grid; gap: 6px; color: var(--ink); }
.type-scale div { display: grid; grid-template-columns: 130px 1fr 70px; gap: 12px; align-items: baseline; min-width: 560px; }
.type-scale small { font: 400 12px var(--mono); color: var(--ink-3); }
.type-scale code { color: var(--ink-3); text-align: right; font-size: 12px; }
:focus-visible { outline-color: var(--blue); }

.level { display: inline-block; font: 600 11px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; padding: 5px 8px; border-radius: 6px; white-space: nowrap; }
.level.stable { background: rgb(52 199 89 / 0.16); color: #1c8a3a; }
.level.limited { background: rgb(255 141 40 / 0.16); color: #a35a00; }
.level.experimental { background: rgb(203 48 224 / 0.14); color: #9a1fad; }
@media (prefers-color-scheme: dark) { .level.stable { color: #5fdc7c; } .level.limited { color: #ffb45c; } .level.experimental { color: #e584f5; } }
.levels { list-style: none; padding: 0; display: grid; gap: 8px; margin: 16px 0; }
.levels li { display: flex; gap: 10px; align-items: baseline; }
#support-table table { min-width: 880px; table-layout: fixed; }
#support-table td:first-child { white-space: normal; width: 34%; }
#support-table th:nth-child(2) { width: 13%; }
#support-table th:nth-child(n+3) { width: 13%; }