/* Documentation chrome. Unlayered, so it sits above inlay's layers. */
.docs-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 100svh;
}

.docs-side {
  display: none;
}

.docs-top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@media (min-width: 1000px) {
  .docs-shell { grid-template-columns: 240px minmax(0, 1fr); }
  .docs-side {
    display: flex;
    position: sticky;
    top: 0;
    width: auto;
    height: 100svh;
    overflow-y: auto;
    padding-top: 28px;
  }
  .docs-top { display: none; }
}

.docs-side .brand { display: flex; align-items: baseline; gap: 8px; }
.docs-side .brand + .label { margin-top: 8px; }
.docs-nav { display: grid; gap: 2px; margin-top: 36px; }
.docs-nav .label { margin: 18px 0 8px 12px; }
.docs-nav .nav-item { padding: 9px 12px; }
.docs-foot { margin-top: auto; padding-top: 28px; display: grid; gap: 5px; }
.docs-foot .row-line { display: flex; align-items: center; justify-content: space-between; }

.docs-main {
  width: 100%;
  max-width: 1120px;
  padding: 0 var(--gutter) 140px;
}
@media (min-width: 1000px) { .docs-main { padding-top: 12px; } }

.theme-switch { margin-left: auto; }
.theme-switch > button { padding: 0 10px; }

/* ---- sections ---- */
.doc-section { padding-top: 88px; scroll-margin-top: 64px; }
.doc-section:first-of-type { padding-top: 40px; }
.doc-kicker { display: flex; align-items: center; gap: 10px; }
.doc-kicker .rule { flex: 1; height: 1px; background: var(--line); }
.doc-h {
  margin-top: 14px;
  font: var(--text-title-1);
  letter-spacing: var(--text-title-1-tracking);
}
.doc-lede {
  max-width: 640px;
  margin-top: 12px;
  color: var(--muted);
  font: var(--text-body-lg);
  letter-spacing: var(--text-body-lg-tracking);
}
.doc-h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 44px 0 14px;
  font: var(--text-title-3);
  letter-spacing: var(--text-title-3-tracking);
}
.doc-h3 .num { font: var(--text-label); letter-spacing: var(--text-label-tracking); color: var(--muted); }
.doc-p { max-width: 640px; color: var(--muted); font: var(--text-body); }
.doc-p + .doc-p { margin-top: 10px; }
.doc-p strong { color: var(--ink); font-weight: 600; }
code, .code { font: var(--text-code); font-size: 12.5px; }
:not(pre) > code { padding: 1px 5px; border-radius: 4px; background: var(--pale); }
pre.code {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  border-radius: var(--radius-control);
  background: var(--screen);
  color: var(--on-screen);
  line-height: 1.65;
}
pre.code .c { color: var(--on-screen-muted); }

/* ---- hero ---- */
.hero { padding-top: 48px; }
.hero h1 {
  max-width: 760px;
  margin-top: 22px;
  font: var(--text-display);
  font-size: clamp(40px, 7vw, 68px);
  letter-spacing: var(--text-display-tracking);
}
.hero .doc-lede { margin-top: 20px; }
.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 26px;
}
.facts span { display: inline-flex; align-items: center; gap: 8px; }

/* ---- bento ---- */
.bento {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 36px;
}
.bento > .panel { display: grid; align-content: start; gap: 14px; min-width: 0; }
.bento .span-2 { grid-column: span 2; }
@media (min-width: 720px) {
  .bento { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .bento .w2 { grid-column: span 2; }
  .bento .w3 { grid-column: span 3; }
  .bento .w4 { grid-column: span 4; }
  .bento .w6 { grid-column: span 6; }
}
.bento .cap { display: flex; align-items: center; justify-content: space-between; }

/* ---- principles ---- */
.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 32px;
}
@media (min-width: 900px) {
  .principles { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .principle { grid-column: span 2; }
  .principle:nth-child(n + 4) { grid-column: span 3; }
}
.principle { display: grid; align-content: start; gap: 10px; }
.principle .num { display: flex; align-items: center; justify-content: space-between; }
.principle h3 { margin-top: 18px; font: var(--text-title-3); letter-spacing: var(--text-title-3-tracking); }
.principle p { color: var(--muted); font: var(--text-body-sm); }

/* ---- specimens ---- */
.specimen {
  margin-top: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background: var(--paper);
}
.specimen-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.specimen-head .name { font: var(--text-headline); letter-spacing: var(--text-headline-tracking); }
.specimen-head .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-left: auto; }
.stage {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: 32px 22px;
  background-color: var(--bg);
}
.stage[data-col] { flex-direction: column; align-items: stretch; }
.stage[data-center] { justify-content: center; }
.stage .group { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.stage .stack { display: grid; gap: 14px; width: 100%; max-width: 380px; }
.notes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px 28px;
  padding: 18px 20px 22px;
  border-top: 1px solid var(--line);
}
.notes > div { display: grid; align-content: start; gap: 6px; }
.notes p, .notes li { color: var(--muted); font: var(--text-body-sm); }
.notes ul { margin: 0; padding-left: 16px; }
.notes .label { color: var(--ink); }

/* ---- color ---- */
.ramp { display: grid; grid-template-columns: repeat(15, minmax(0, 1fr)); margin-top: 18px; border-radius: var(--radius-control); overflow: hidden; border: 1px solid var(--line); }
.ramp > div { height: 72px; padding: 8px 6px; display: flex; align-items: flex-end; font: var(--text-label-sm); }
.themes { display: grid; gap: 12px; margin-top: 18px; }
@media (min-width: 760px) { .themes { grid-template-columns: 1fr 1fr; } }
.theme-card { overflow: hidden; border-radius: var(--radius-panel); border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
.theme-card .cap { display: flex; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--line); background: var(--paper); }
.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 1px; background: var(--line); }
.swatch { display: grid; gap: 4px; padding: 10px 12px 12px; background: var(--paper); }
.swatch .chip-color { height: 40px; border-radius: 6px; box-shadow: inset 0 0 0 1px var(--line); }
.swatch .name { font: 500 12px/1.3 var(--font-mono); }
.swatch .hex { font: var(--text-label-sm); letter-spacing: 0.06em; color: var(--muted); text-transform: uppercase; }
.rules { display: grid; gap: 12px; margin-top: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.rule-card { display: grid; gap: 12px; align-content: start; }
.rule-card .demo { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; min-height: 56px; }
.rule-card p { color: var(--muted); font: var(--text-body-sm); }

/* ---- type ---- */
.voices { display: grid; gap: 12px; margin-top: 24px; }
@media (min-width: 760px) { .voices { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.voice { display: grid; gap: 12px; align-content: start; min-height: 250px; }
.voice .big { margin-top: 10px; font-size: 76px; line-height: 1; letter-spacing: -0.04em; }
.voice p { color: var(--muted); font: var(--text-body-sm); }
.type-table { margin-top: 18px; }
.type-row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 8px 16px;
  align-items: baseline;
  padding: 16px 18px;
}
.type-row + .type-row { border-top: 1px solid var(--line); }
.type-row .sample { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.type-row .spec { grid-column: 2; color: var(--muted); font: var(--text-mono-sm); }
@media (min-width: 760px) {
  .type-row { grid-template-columns: 120px minmax(0, 1fr) 200px; }
  .type-row .spec { grid-column: auto; text-align: right; }
}

/* ---- space ---- */
.space-scale { display: grid; gap: 8px; margin-top: 18px; }
.space-scale > div { display: grid; grid-template-columns: 70px 44px minmax(0, 1fr); align-items: center; gap: 12px; }
.space-scale .bar { height: 12px; background: var(--ink); border-radius: 1px; }
.layouts { display: grid; gap: 12px; margin-top: 18px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.layout-card { display: grid; gap: 14px; align-content: start; }
.layout-card .frame { display: grid; gap: 4px; height: 120px; padding: 8px; border-radius: 8px; background: var(--bg); box-shadow: inset 0 0 0 1px var(--line); }
.layout-card .frame > div { background: color-mix(in srgb, var(--ch-2) 14%, transparent); border-radius: 2px; }
.layout-card dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font: var(--text-mono-sm); }
.layout-card dt { color: var(--muted); }

/* ---- shape ---- */
.radii { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 12px; margin-top: 18px; }
.radius-tile { display: grid; gap: 10px; }
.radius-tile .shape { height: 72px; background: var(--paper); border: 1px solid var(--ink); border-right: 0; border-bottom: 0; }
.elevations { display: grid; gap: 16px; margin-top: 18px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 760px) { .elevations { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.elevation { display: grid; gap: 12px; }
.elevation .surface { height: 92px; border-radius: 12px; background: var(--paper); }

/* ---- motion ---- */
.motion-rows { display: grid; gap: 1px; margin-top: 18px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-panel); background: var(--line); }
.motion-row { display: grid; grid-template-columns: 92px 64px minmax(0, 1fr); align-items: center; gap: 14px; padding: 14px 16px; background: var(--paper); }
.motion-row .track { position: relative; height: 22px; border-radius: 4px; background: var(--bg); }
.motion-row .puck { position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 3px; background: var(--ink); }
.motion-rows.play .puck { left: calc(100% - 19px); }
.motion-row .desc { grid-column: 1 / -1; color: var(--muted); font: var(--text-body-sm); }
@media (min-width: 760px) {
  .motion-row { grid-template-columns: 92px 64px minmax(0, 1fr) 260px; }
  .motion-row .desc { grid-column: auto; }
}
.table { width: 100%; border-collapse: collapse; font: var(--text-body-sm); }
.table th { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.table td { padding: 12px 14px; border-bottom: 1px solid var(--line); color: var(--muted); vertical-align: top; }
.table td:first-child { color: var(--ink); }
.table tr:last-child td { border-bottom: 0; }
.table-wrap { margin-top: 18px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-panel); background: var(--paper); }

/* ---- drawing ---- */
.icon-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1px; margin-top: 18px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-panel); background: var(--line); }
@media (min-width: 760px) { .icon-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); } }
.icon-grid > div { display: grid; place-items: center; height: 64px; background: var(--paper); }
.icon-grid svg { width: 24px; height: 24px; fill: var(--ink); }
.drawing { display: grid; gap: 16px; margin-top: 18px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 860px) { .drawing { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); } }
.drawing .canvas { display: grid; place-items: center; min-height: 300px; border-radius: var(--radius-panel); background-color: var(--pale); border: 1px solid var(--line); }
.drawing ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-panel); overflow: hidden; }
.drawing li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; padding: 14px 16px; background: var(--paper); font: var(--text-body-sm); color: var(--muted); }
.drawing li b { color: var(--ink); font-weight: 600; }

/* ---- phones ---- */
.phones {
  display: flex;
  gap: 20px;
  margin: 24px calc(var(--gutter) * -1) 0;
  padding: 8px var(--gutter) 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding: 0 var(--gutter);
}
.phone-wrap { display: grid; gap: 12px; justify-items: center; scroll-snap-align: start; }
.phone {
  flex: none;
  width: 360px;
  height: 760px;
  padding: 9px;
  border-radius: 46px;
  background: #0d0f12;
  box-shadow: inset 0 0 0 1.5px #343a40, 0 30px 60px -30px rgb(0 0 0 / 0.45);
}
.screen {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  border-radius: 38px;
  background: var(--bg);
  color: var(--ink);
  font: var(--text-body);
  --safe-top: 44px;
  --safe-bottom: 18px;
  --gutter: 20px;
}
.statusbar {
  position: absolute;
  inset: 0 0 auto;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  padding: 4px 26px 0 30px;
  font: 600 14px/1 var(--font-sans);
}
.statusbar .icons { display: flex; gap: 5px; }
.statusbar svg { width: 16px; height: 16px; fill: currentColor; }
.statusbar::after {
  content: '';
  position: absolute;
  top: 11px;
  left: calc(50% - 46px);
  width: 92px;
  height: 26px;
  border-radius: 13px;
  background: #000;
}
.screen .body { flex: 1; overflow: hidden; display: grid; align-content: start; gap: 12px; padding: 14px var(--gutter) 16px; }
.screen .topbar { padding-top: var(--safe-top); background: var(--bg); }
.screen .home-indicator { position: absolute; bottom: 7px; left: calc(50% - 60px); width: 120px; height: 4px; border-radius: 2px; background: var(--ink); opacity: 0.85; z-index: 4; }
.screen .tabbar { position: relative; z-index: 2; }
.screen .sheet { position: absolute; inset: auto 0 0; z-index: 3; }
.screen .scrim { position: absolute; z-index: 2; }

/* ---- overlay nav (phones) ---- */
.nav-sheet[hidden] { display: none; }
.nav-sheet { position: fixed; inset: 0; z-index: 50; }
.nav-sheet .sheet { position: absolute; inset: auto 0 0; max-height: 82svh; overflow-y: auto; }
.nav-sheet .grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }

.docs-end { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-top: 96px; padding-top: 22px; border-top: 1px solid var(--line); }

.i { width: 20px; height: 20px; fill: currentColor; }
.segmented svg, .button svg, .tab svg, .nav-item svg { fill: currentColor; }
@media (max-width: 599.98px) { .hide-sm { display: none; } }

/* ---- intro bits ---- */
.task-line { display: flex; align-items: center; gap: 10px; }
.task-title { flex: 1; min-width: 0; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font: var(--text-headline); letter-spacing: var(--text-headline-tracking); }
.legend { display: inline-flex; align-items: center; gap: 6px; }

/* ---- icon weights ---- */
.weights { padding-top: 6px; padding-bottom: 6px; margin-top: 18px; }
.weight-row { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 8px 16px; align-items: center; padding: 14px 0; }
.weight-row + .weight-row { border-top: 1px solid var(--line); }
.glyphs { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 18px; }
.glyphs svg { width: 24px; height: 24px; fill: var(--ink); }
@media (min-width: 760px) {
  .weight-row { grid-template-columns: 80px 260px minmax(0, 1fr); }
  .glyphs { grid-column: auto; }
}

/* ---- files screen ---- */
.crumbs-row { display: flex; align-items: center; gap: 8px; }
.chip-row { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.screen .toast.floating { position: absolute; left: 14px; right: 14px; bottom: calc(var(--size-bar-bottom) + var(--safe-bottom) + 12px); z-index: 3; }