/* Scott Brand System v1.0.0 | Light themes. Token values match tokens.json. */
:root {
  --font-heading: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: Inter, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius-control: .25rem;
  --radius-card: .5rem;
  --duration-fast: 120ms;
  --duration-normal: 180ms;
  --ease-standard: cubic-bezier(.2, 0, 0, 1);
  --width-content: 72rem;
  --width-reading: 65ch;
  --size-body: 1rem;
  --size-small: .875rem;
  --size-h1: clamp(2.25rem, 6vw, 4rem);
  --size-h2: clamp(1.75rem, 4vw, 2.5rem);
  --size-h3: 1.5rem;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
}
:root, [data-palette="hearth"] {
  --color-canvas: #F5F1E8;
  --color-ink: #282A26;
  --color-ground: #62684A;
  --color-field: #D4A184;
  --color-signal: #B43B1B;
  --color-quiet: #DED8CB;
  --color-muted: #5B5D53;
  --color-border: #77796D;
  --color-hover: #922D15;
  --color-active: #782411;
  --color-on-ground: #FFFFFF;
  --color-on-field: #282A26;
  --color-on-signal: #FFFFFF;
  --color-success: #236343;
  --color-warning: #755000;
  --color-danger: #A12622;
  --color-text: var(--color-ink);
  --color-surface: var(--color-canvas);
  --color-action: var(--color-signal);
  color: var(--color-text);
  background-color: var(--color-surface);
}
[data-palette="tidal"] {
  --color-canvas: #F2F1E9;
  --color-ink: #202E32;
  --color-ground: #356567;
  --color-field: #C7D9D2;
  --color-signal: #2456C7;
  --color-quiet: #D9DFD9;
  --color-muted: #506066;
  --color-border: #6C7A7A;
  --color-hover: #1943A5;
  --color-active: #153584;
  --color-on-ground: #FFFFFF;
  --color-on-field: #202E32;
  --color-on-signal: #FFFFFF;
  --color-success: #236343;
  --color-warning: #755000;
  --color-danger: #A12622;
  --color-text: var(--color-ink);
  --color-surface: var(--color-canvas);
  --color-action: var(--color-signal);
  color: var(--color-text);
  background-color: var(--color-surface);
}
[data-palette="ochre"] {
  --color-canvas: #F7F0DF;
  --color-ink: #302B25;
  --color-ground: #705936;
  --color-field: #D8B665;
  --color-signal: #8B347A;
  --color-quiet: #E3D7BD;
  --color-muted: #635B4D;
  --color-border: #82755F;
  --color-hover: #702760;
  --color-active: #59204D;
  --color-on-ground: #FFFFFF;
  --color-on-field: #302B25;
  --color-on-signal: #FFFFFF;
  --color-success: #236343;
  --color-warning: #755000;
  --color-danger: #A12622;
  --color-text: var(--color-ink);
  --color-surface: var(--color-canvas);
  --color-action: var(--color-signal);
  color: var(--color-text);
  background-color: var(--color-surface);
}

*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: light; scroll-padding-top: 2rem; }
body { margin: 0; font-family: var(--font-body); font-size: var(--size-body); line-height: 1.6; }
img, svg { max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
button, summary { cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-heading); text-wrap: balance; overflow-wrap: anywhere; }
h1 { font-size: var(--size-h1); line-height: 1.08; font-weight: 700; letter-spacing: -.03em; }
h2 { font-size: var(--size-h2); line-height: 1.15; font-weight: 600; letter-spacing: -.02em; }
h3 { font-size: var(--size-h3); line-height: 1.25; font-weight: 600; }
h4 { font-size: 1.25rem; line-height: 1.3; font-weight: 600; }
p, li, a { overflow-wrap: anywhere; }
a { color: var(--color-action); text-underline-offset: .2em; text-decoration-thickness: .08em; }
a:hover { text-decoration-thickness: .15em; }
/* Two-tone ring: dark outer outline and white inner separation. */
:focus-visible { outline: 3px solid var(--color-ink); outline-offset: 3px; box-shadow: 0 0 0 3px #fff; }
.container { width: min(100% - 2rem, var(--width-content)); margin-inline: auto; }
.measure { max-width: var(--width-reading); }
.section { padding-block: var(--space-12); }
.stack > * + * { margin-block-start: var(--space-4); }
.grid { display: grid; gap: var(--space-6); grid-template-columns: 1fr; }
.grid > * { min-width: 0; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4); }
.muted { color: var(--color-muted); }
.meta, code, pre { font-family: var(--font-mono); font-size: var(--size-small); }
.meta { letter-spacing: .03em; font-weight: 500; }
pre { overflow: auto; max-width: 100%; padding: var(--space-4); background: var(--color-quiet); }
code { font-variant-ligatures: none; }
.signal-line { display: block; width: 4rem; height: 3px; background: var(--color-signal); margin-block: var(--space-6); }
.callout { border-inline-start: 4px solid var(--color-signal); padding-inline-start: var(--space-4); }
.skip-link { position: absolute; left: 1rem; top: -10rem; padding: 1rem; background: var(--color-canvas); z-index: 100; }
.skip-link:focus { top: 1rem; }
.site-header { padding-block: var(--space-6); border-bottom: 1px solid var(--color-quiet); }
.site-header .row { justify-content: space-between; }
.wordmark { font: 700 1.5rem var(--font-heading); color: var(--color-ink); text-decoration: none; }
nav ul { display: flex; flex-wrap: wrap; gap: var(--space-4); list-style: none; padding: 0; margin: 0; }
nav a { display: inline-flex; align-items: center; min-height: 44px; padding: .5rem .25rem; color: var(--color-ink); text-decoration: none; }
nav a:hover { text-decoration: underline; }
nav a[aria-current] { font-weight: 600; border-bottom: 3px solid var(--color-signal); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 44px; min-width: 44px; padding: .75rem 1.25rem; border: 1px solid transparent; border-radius: var(--radius-control); font-weight: 600; line-height: 1.4; text-align: center; text-decoration: none; color: var(--color-on-signal); background: var(--color-action); transition: background-color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard); }
.button:hover { background: var(--color-hover); }
.button:active { background: var(--color-active); }
.button--secondary { background: var(--color-canvas); color: var(--color-ink); border-color: var(--color-border); }
.button--secondary:hover, .button--secondary:active { background: var(--color-quiet); border-color: var(--color-ink); }
.button--danger { background: var(--color-danger); color: #fff; }
.button--danger:hover, .button--danger:active { background: var(--color-danger); text-decoration: underline; }
.button:disabled { background: var(--color-quiet); color: var(--color-muted); border-color: var(--color-border); cursor: not-allowed; text-decoration: none; }
.card { padding: var(--space-6); border: 1px solid var(--color-quiet); border-radius: var(--radius-card); background: var(--color-canvas); }
.card > :first-child { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }
a.card { display: block; color: var(--color-ink); text-decoration: none; }
a.card h3 { text-decoration: underline; text-underline-offset: .2em; }
a.card:hover { border-color: var(--color-border); }
details { border-block-end: 1px solid var(--color-quiet); padding-block: var(--space-3); }
summary { min-height: 44px; padding-block: .625rem; font-weight: 600; }
details > :not(summary) { max-width: var(--width-reading); }
label { display: block; font-weight: 600; margin-bottom: .5rem; }
input, textarea, select { max-width: 100%; min-height: 44px; padding: .75rem; color: var(--color-ink); background: var(--color-canvas); border: 1px solid var(--color-border); border-radius: var(--radius-control); }
textarea { width: 100%; }
[aria-invalid="true"] { border: 2px solid var(--color-danger); }
.hint, .error { font-size: var(--size-small); margin-block: .5rem; }
.error { color: var(--color-danger); }
.status { font-weight: 600; }
.status--success { color: var(--color-success); }
.status--warning { color: var(--color-warning); }
.status--danger { color: var(--color-danger); }
.panel { padding: var(--space-6); border-radius: var(--radius-card); }
.panel--ground { color: var(--color-on-ground); background: var(--color-ground); }
.panel--field { color: var(--color-on-field); background: var(--color-field); }
.panel--quiet { color: var(--color-ink); background: var(--color-quiet); }
.panel a { color: inherit; }
/* Colored panels are content surfaces. Nest controls inside a Canvas card. */
.panel--ground :focus-visible { outline-color: #fff; box-shadow: 0 0 0 3px var(--color-ink); }
.illustration { overflow: hidden; contain: paint; }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { padding: .75rem; border-bottom: 1px solid var(--color-quiet); text-align: left; }
@media (min-width: 48rem) {
  .container { width: min(100% - 4rem, var(--width-content)); }
  .section { padding-block: var(--space-16); }
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media (forced-colors: active) {
  .button, .card, input, textarea, select { border: 1px solid ButtonText; }
  :focus-visible { outline: 3px solid Highlight; box-shadow: none; }
  .signal-line { background: CanvasText; }
  nav a[aria-current] { border-color: Highlight; }
}
@media print {
  body { color: #000; background: #fff; }
  .skip-link, .no-print { display: none; }
  .section { padding-block: 1rem; }
  .grid { display: block; }
  .card { break-inside: avoid; margin-block: 1rem; }
  a { color: inherit; }
  pre { white-space: pre-wrap; }
}