/* docs.css
   Layout for the design system page. Not used by the prototype.
   Every value comes from tokens.css (generated from tokens/tokens.json). */

body.docs { height: auto; min-height: 100%; display: block; }
.docs .bar { position: sticky; top: 0; z-index: 10; }
.docs code, .docs pre { font-family: var(--font-family-code); font-size: var(--font-size-xs); }
.docs a { color: var(--color-accent); }

/* ── Design system layout ── */
.ds { display: grid; grid-template-columns: 14rem minmax(0, 1fr); gap: 2.5rem; max-width: 1200px; margin: 0 auto; padding: 1.5rem 1.5rem 4rem; }
.ds-nav { position: sticky; top: 4.2rem; align-self: start; display: grid; gap: 0.15rem; font-size: var(--font-size-sm); max-height: calc(100vh - 5rem); overflow-y: auto; }
.ds-nav h2 { font-family: var(--font-family-display); font-size: var(--font-size-xs); font-weight: var(--font-weight-semibold); color: var(--color-accent); letter-spacing: var(--font-tracking-wide); margin: 1rem 0 0.3rem; }
.ds-nav h2:first-child { margin-top: 0; }
.ds-nav a { color: var(--color-text-muted); text-decoration: none; padding: 0.15rem 0 0.15rem 0.6rem; border-left: var(--shape-border-width) solid var(--color-border-strong); }
.ds-nav a:hover { color: var(--color-text); border-color: var(--color-accent); }

.ds-main { min-width: 0; display: grid; gap: 3rem; }
.ds-intro h1 { font-family: var(--font-family-display); font-size: var(--font-size-3xl); font-weight: var(--font-weight-bold); letter-spacing: var(--font-tracking-tight); margin: 0 0 0.4rem; }
.ds-intro p { color: var(--color-text-muted); max-width: 65ch; margin: 0.3rem 0; }
.ds-section { scroll-margin-top: 4.5rem; display: grid; gap: 1rem; }
.ds-section > h2 { font-family: var(--font-family-display); font-size: var(--font-size-2xl); font-weight: var(--font-weight-bold); margin: 0; padding-bottom: 0.4rem; border-bottom: var(--shape-border-width) solid var(--color-border-strong); }
.ds-section > p { color: var(--color-text-muted); margin: 0; max-width: 70ch; }
.ds-sub { font-family: var(--font-family-display); font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); margin: 0.6rem 0 0; }

.ds-example { background: var(--color-surface-base); border: var(--shape-border-width) solid var(--color-border); padding: 1.25rem; display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-start; }
.ds-example.col { flex-direction: column; align-items: stretch; }
.ds-example.dark { background: var(--color-surface-bg); }
.ds-example > .fill { flex: 1 1 22rem; min-width: 0; }
.ds-usage { font-size: var(--font-size-sm); color: var(--color-text-muted); margin: 0; max-width: 75ch; }
.ds-usage code { color: var(--color-text); background: var(--color-surface-raised); padding: 0.05rem 0.3rem; }
.ds-grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr)); gap: 0.75rem; width: 100%; }

/* ── Swatches ── */
.ds-swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(12.5rem, 1fr)); gap: 0.75rem; }
.swatch { background: var(--color-surface-base); border: var(--shape-border-width) solid var(--color-border); display: flex; flex-direction: column; }
.swatch .chip { height: 3.6rem; border-bottom: var(--shape-border-width) solid var(--color-border); background-image: linear-gradient(45deg, #ffffff10 25%, transparent 25%, transparent 75%, #ffffff10 75%), linear-gradient(45deg, #ffffff10 25%, transparent 25%, transparent 75%, #ffffff10 75%); background-size: 12px 12px; background-position: 0 0, 6px 6px; position: relative; }
.swatch .chip i { position: absolute; inset: 0; }
.swatch .meta { padding: 0.5rem 0.6rem 0.6rem; display: grid; gap: 0.15rem; }
.swatch code { color: var(--color-text); word-break: break-all; }
.swatch .val { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.swatch .desc { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.swatch .alias { font-size: var(--font-size-2xs); color: var(--color-accent); }

/* ── Token tables and type specimens ── */
.ds-table { width: 100%; border-collapse: collapse; font-size: var(--font-size-sm); }
.ds-table th { text-align: left; color: var(--color-text-muted); font-weight: var(--font-weight-semibold); border-bottom: var(--shape-border-width) solid var(--color-border-strong); padding: 0.35rem 0.5rem; }
.ds-table td { border-bottom: var(--shape-border-width) solid var(--color-border); padding: 0.45rem 0.5rem; vertical-align: middle; }
.ds-table td:first-child { white-space: nowrap; }
.specimen { font-family: var(--font-family-display); color: var(--color-text); line-height: 1.2; }
.specimen.body { font-family: var(--font-family-body); }
.family-card { padding: 1rem 1.1rem; background: var(--color-surface-raised); }
.family-card .big { font-size: var(--font-size-3xl); line-height: 1.1; margin: 0.3rem 0; }
.family-card .alpha { color: var(--color-text-muted); font-size: var(--font-size-md); word-break: break-all; }
.shape-demo { width: 8rem; height: 4.5rem; display: grid; place-items: center; font-size: var(--font-size-xs); color: var(--color-text-muted); background: var(--color-surface-raised); }
.ramp-demo { height: 1.4rem; width: 100%; max-width: 32rem; background: linear-gradient(90deg, var(--color-emission-low), var(--color-emission-mid), var(--color-emission-high)); }
.ds-note { padding: 0.75rem 1rem; border-left: var(--shape-rule-width) solid var(--color-accent); background: var(--color-accent-subtle); font-size: var(--font-size-sm); }
.ds-note.bad { border-color: var(--color-status-alarm); background: var(--color-status-alarm-subtle); }
.ds-composer { width: 100%; border: var(--shape-border-width) solid var(--color-border); }

/* ── Elevation and floating demos ── */
.ds-floatstage { position: relative; overflow: hidden; padding: 2rem 1.75rem; }
.ds-floatgrid { position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(var(--color-accent-subtle) 1px, transparent 1px) 0 0 / 28px 28px, linear-gradient(90deg, var(--color-accent-subtle) 1px, transparent 1px) 0 0 / 28px 28px; }
.ds-floatstage > :not(.ds-floatgrid) { position: relative; }
.ds-floatstage .bar.float { position: relative; }
.ds-panels { gap: 1.5rem; align-items: stretch; }
.ds-panels .panel { flex: none; }
.ds-elevation { gap: 1.5rem; padding: 2rem 1.75rem; }
.elev-demo { width: 13rem; padding: 0.9rem 1rem; display: grid; gap: 0.3rem; background: var(--color-surface-raised); }
.elev-demo code { color: var(--color-text); }
.elev-demo span { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.elev-demo.float { background: var(--color-surface-float); }
.elev-demo.raised { box-shadow: var(--elevation-raised); }
.elev-demo.dcard { background: var(--color-surface-card); }
.ds-dashes { gap: 1.5rem; align-items: stretch; }
.ds-dashes .dash { flex: none; height: 30rem; --layout-dash-width: 21rem; }
.docs kbd { font-family: var(--font-family-code); font-size: var(--font-size-xs); padding: 0 0.3rem; border: var(--shape-border-width) solid var(--color-border-strong); color: var(--color-text); }

@media (max-width: 860px) {
  .ds { grid-template-columns: 1fr; gap: 1.5rem; }
  .ds-nav { position: static; max-height: none; grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr)); }
  .ds-nav h2 { grid-column: 1 / -1; }
}