/*
 * OCL Design System — shared site styles.
 * Loads Roboto (same family oclweb3 uses). Mirrors MUI v5 defaults:
 * 14px base, 1.5 line-height, default type scale.
 */

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&family=Roboto+Mono:wght@400;500&display=swap');

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-default);
  color: var(--text-primary);
  font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

code, pre, .mono {
  font-family: 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Roboto', sans-serif;
  color: var(--surface-dark);
  font-weight: 500;
  margin: 0 0 8px;
}
h1 { font-size: 28px; font-weight: 600; line-height: 1.2; }
h2 { font-size: 22px; line-height: 1.3; }
h3 { font-size: 18px; line-height: 1.35; }
h4 { font-size: 16px; line-height: 1.4; }
h5 { font-size: 14px; line-height: 1.45; }
h6 { font-size: 12px; line-height: 1.5; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-secondary); }

/* ---------- Top nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #ffffff;
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 40px;
}
.site-header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.site-brand {
  font-weight: 600;
  color: var(--surface-dark);
  font-size: 16px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.site-brand:hover { text-decoration: none; }
.site-brand .brand-logo {
  height: 34px;
  width: 34px;
  display: block;
}
.site-brand .brand-sub {
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 2px;
  font-size: 13px;
}

/* ---------- Hero on the landing page ---------- */

.hero {
  padding: 24px 0 16px;
}
.hero-logo {
  display: block;
  margin-bottom: 16px;
}
.hero-logo img {
  height: 96px;
  width: auto;
  display: block;
}
.hero-copy h1 { margin-top: 0; }
.site-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.site-nav a {
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}
.site-nav a:hover { background: var(--accent-subtle); color: var(--accent); text-decoration: none; }
.site-nav a.active { background: var(--accent-subtle); color: var(--accent); }
.site-nav-right {
  margin-left: auto;
  display: flex;
  gap: 12px;
  align-items: center;
}
.site-nav-right a { font-size: 12px; color: var(--text-muted); }

/* ---------- Layout ---------- */

main { padding: 32px 40px 64px; max-width: 1400px; margin: 0 auto; }
main.narrow { max-width: 960px; }
section { margin-bottom: 48px; scroll-margin-top: 100px; }
section > h2 {
  padding-bottom: 6px;
  border-bottom: 2px solid var(--surface-dark);
  margin-bottom: 8px;
}

.page-intro {
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 0 24px;
  font-size: 15px;
  line-height: 1.55;
}

.breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- Callout (section descriptions in gallery) ---------- */

.callout {
  margin: 12px 0 20px;
  padding: 14px 18px;
  background: var(--secondary-95);
  border: 1px solid var(--secondary-90);
  border-radius: 8px;
  color: var(--secondary-40);
  font-size: 13px;
}
.callout strong { color: var(--secondary-20); }
.callout code {
  background: rgba(255, 255, 255, 0.7);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
}

/* ---------- Cards & grids ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.grid.wide {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.grid.narrow {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  transition: transform 0.1s, box-shadow 0.1s, border-color 0.1s;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border);
  text-decoration: none;
}
.card.big { padding: 24px; }
.card.big h3 { margin-bottom: 6px; color: var(--surface-dark); }
.card.big p { margin: 0; color: var(--text-secondary); font-size: 13px; }
.card.big .card-meta {
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.thumb {
  aspect-ratio: 4 / 3;
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #ffffff;
}
.caption {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.35;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}
.caption .name { flex: 1; word-break: break-word; }

/* ---------- Badges ---------- */

.badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}
.badge.divergent { background: #fef3c7; color: #92400e; }
.badge.partial   { background: #dbeafe; color: #1e40af; }
.badge.not-started { background: #fee2e2; color: #991b1b; }
.badge.input     { background: #e9d5ff; color: #6b21a8; }
.badge.ok        { background: #dcfce7; color: #166534; }
.badge.gap       { background: #fee2e2; color: #991b1b; }
.badge.stub      { background: var(--surface-n94); color: var(--text-muted); }

/* ---------- Color swatches (foundations/color.html) ---------- */

.palette { margin-bottom: 40px; }
.palette-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}
.palette-header h3 { margin: 0; }
.palette-header .main-hex {
  font-family: 'Roboto Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
}
.swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.swatch {
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-panel);
  transition: box-shadow 0.1s;
}
.swatch:hover { box-shadow: var(--shadow-md); }
.swatch .color {
  height: 72px;
}
.swatch .meta {
  padding: 8px 10px;
  font-size: 11px;
}
.swatch .token-name {
  font-weight: 500;
  color: var(--surface-dark);
  display: block;
}
.swatch .hex {
  font-family: 'Roboto Mono', monospace;
  color: var(--text-muted);
  font-size: 10px;
}
.swatch.copied { outline: 2px solid var(--accent); }

/* ---------- Type specimens (foundations/typography.html) ---------- */

.specimen {
  padding: 20px 0;
  border-bottom: 1px solid var(--border-subtle);
}
.specimen:last-child { border-bottom: none; }
.specimen .specimen-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  font-family: 'Roboto Mono', monospace;
}
.specimen .specimen-sample { color: var(--surface-dark); }
.mui-h1 { font-size: 96px; font-weight: 300; line-height: 1.167; letter-spacing: -1.5px; }
.mui-h2 { font-size: 60px; font-weight: 300; line-height: 1.2; letter-spacing: -0.5px; }
.mui-h3 { font-size: 48px; font-weight: 400; line-height: 1.167; }
.mui-h4 { font-size: 34px; font-weight: 400; line-height: 1.235; letter-spacing: 0.25px; }
.mui-h5 { font-size: 24px; font-weight: 400; line-height: 1.334; }
.mui-h6 { font-size: 20px; font-weight: 500; line-height: 1.6; letter-spacing: 0.15px; }
.mui-subtitle1 { font-size: 16px; font-weight: 400; line-height: 1.75; letter-spacing: 0.15px; }
.mui-subtitle2 { font-size: 14px; font-weight: 500; line-height: 1.57; letter-spacing: 0.1px; }
.mui-body1 { font-size: 16px; font-weight: 400; line-height: 1.5; letter-spacing: 0.15px; }
.mui-body2 { font-size: 14px; font-weight: 400; line-height: 1.43; letter-spacing: 0.15px; }
.mui-button { font-size: 14px; font-weight: 500; line-height: 1.75; letter-spacing: 0.4px; text-transform: uppercase; }
.mui-caption { font-size: 12px; font-weight: 400; line-height: 1.66; letter-spacing: 0.4px; }
.mui-overline { font-size: 12px; font-weight: 400; line-height: 2.66; letter-spacing: 1px; text-transform: uppercase; }

/* ---------- Elevation demos ---------- */

.elevation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 24px;
  margin: 24px 0;
}
.elevation-box {
  background: var(--bg-panel);
  border-radius: 8px;
  padding: 24px 16px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}
.elev-0 { box-shadow: none; border: 1px solid var(--border-subtle); }
.elev-1 { box-shadow: 0 2px 1px -1px rgba(0,0,0,0.2), 0 1px 1px 0 rgba(0,0,0,0.14), 0 1px 3px 0 rgba(0,0,0,0.12); }
.elev-2 { box-shadow: 0 3px 1px -2px rgba(0,0,0,0.2), 0 2px 2px 0 rgba(0,0,0,0.14), 0 1px 5px 0 rgba(0,0,0,0.12); }
.elev-4 { box-shadow: 0 2px 4px -1px rgba(0,0,0,0.2), 0 4px 5px 0 rgba(0,0,0,0.14), 0 1px 10px 0 rgba(0,0,0,0.12); }
.elev-8 { box-shadow: 0 5px 5px -3px rgba(0,0,0,0.2), 0 8px 10px 1px rgba(0,0,0,0.14), 0 3px 14px 2px rgba(0,0,0,0.12); }
.elev-16 { box-shadow: 0 8px 10px -5px rgba(0,0,0,0.2), 0 16px 24px 2px rgba(0,0,0,0.14), 0 6px 30px 5px rgba(0,0,0,0.12); }
.elev-24 { box-shadow: 0 11px 15px -7px rgba(0,0,0,0.2), 0 24px 38px 3px rgba(0,0,0,0.14), 0 9px 46px 8px rgba(0,0,0,0.12); }

/* ---------- Component detail page scaffolding ---------- */

.component-detail { display: grid; grid-template-columns: minmax(0, 2fr) minmax(240px, 1fr); gap: 40px; }
@media (max-width: 900px) { .component-detail { grid-template-columns: 1fr; } }

.detail-main > section { margin-bottom: 36px; }
.detail-main h2 { font-size: 16px; border-bottom: 1px solid var(--border-subtle); padding-bottom: 4px; margin-bottom: 12px; }

.detail-sidebar {
  position: sticky;
  top: 100px;
  align-self: start;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px 18px;
  font-size: 12px;
}
.detail-sidebar h3 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-top: 14px; }
.detail-sidebar h3:first-child { margin-top: 0; }
.detail-sidebar ul { padding-left: 18px; margin: 4px 0; }
.detail-sidebar .source-link {
  display: block;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
  word-break: break-all;
  margin-top: 4px;
}

.anatomy-figure {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  overflow: hidden;
  background: #ffffff;
  padding: 24px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 8px;
}
.anatomy-figure img { max-width: 100%; height: auto; }
.anatomy-caption { font-size: 12px; color: var(--text-muted); text-align: center; }

.props-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.props-table th, .props-table td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border-subtle); }
.props-table th { background: var(--bg-subtle); font-weight: 500; color: var(--text-secondary); font-size: 12px; }
.props-table code { font-size: 12px; background: var(--bg-subtle); padding: 1px 5px; border-radius: 3px; }

.todo {
  background: #fff7ed;
  border: 1px dashed #f59e0b;
  border-radius: 6px;
  padding: 12px 14px;
  color: #92400e;
  font-size: 13px;
}
.todo strong { color: #7c2d12; }

/* ---------- Live component examples (hand-crafted HTML mirroring MUI) ---------- */

.example-frame {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 24px;
  background: var(--bg-panel);
  margin: 8px 0 16px;
}

/* Chip example — mirrors BaseEntityChip */
.ds-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #ffffff;
  font-size: 14px;
  color: #000;
  min-width: 95px;
}
.ds-chip.small { height: 28px; padding: 0 12px; font-size: 12px; }
.ds-chip.primary { background: var(--primary-95); }
.ds-chip .icon { color: #000; font-size: 18px; display: inline-flex; }
.ds-chip .divider { width: 3px; height: 3px; background: var(--secondary-main); opacity: 0.8; border-radius: 100px; margin: 0 8px; }
.ds-chip .entity-type { color: var(--secondary-main); }
.ds-chip .entity-id { color: #000; font-weight: 700; }

/* Tooltip example — mirrors HTMLTooltip */
.ds-tooltip {
  display: inline-block;
  max-width: 285px;
  min-width: 285px;
  background: #ffffff;
  color: var(--secondary-main);
  border: 1px solid var(--surface-nv80);
  border-radius: 5px;
  padding: 12px;
  font-size: 12px;
  box-shadow: 0 2px 3px 0 rgba(0,0,0,0.3), 0 6px 10px 4px rgba(0,0,0,0.15);
}

/* Repo header example — mirrors RepoHeader */
.ds-repo-header {
  background: var(--surface-main);
  border-radius: 10px 10px 0 0;
  padding: 16px;
  border: 1px solid var(--border-subtle);
}
.ds-repo-header .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.ds-repo-header .chips { display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ds-repo-header .title-row { margin-top: 8px; }
.ds-repo-header .repo-name { font-size: 28px; font-weight: 600; color: var(--surface-dark); }
.ds-repo-header .repo-canonical { margin-left: 8px; font-size: 14px; color: var(--secondary-main); }
.ds-repo-header .manage-btn {
  border: none;
  background: transparent;
  color: var(--surface-contrast);
  text-transform: none;
  cursor: pointer;
  font: inherit;
  padding: 6px 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ---------- Button examples — mirrors MUI Button / IconButton / ButtonGroup ---------- */

/* Base action button */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.75;
  text-transform: none;
  text-decoration: none;
  border: none;
  cursor: pointer;
  outline: none;
  padding: 6px 16px;
  min-width: 64px;
  border-radius: 4px;
  transition: background-color 0.15s, box-shadow 0.15s, border-color 0.15s;
  -webkit-user-select: none;
  user-select: none;
}

/* Contained variant */
.ds-btn.contained { background: var(--primary-main); color: #fff; }
.ds-btn.contained:hover { background: var(--primary-30); }
.ds-btn.contained.secondary { background: var(--secondary-main); }
.ds-btn.contained.secondary:hover { background: var(--secondary-30); }
.ds-btn.contained.error { background: var(--error-main); }
.ds-btn.contained.error:hover { background: #8c0009; }
.ds-btn.contained.default { background: var(--surface-n96); color: var(--surface-dark); }
.ds-btn.contained.default:hover { background: var(--surface-n90); }

/* Outlined variant */
.ds-btn.outlined { background: transparent; border: 1px solid var(--primary-main); color: var(--primary-main); }
.ds-btn.outlined:hover { background: var(--primary-95); }
.ds-btn.outlined.secondary { border-color: var(--secondary-main); color: var(--secondary-main); }
.ds-btn.outlined.secondary:hover { background: var(--secondary-95); }
.ds-btn.outlined.error { border-color: var(--error-main); color: var(--error-main); }
.ds-btn.outlined.error:hover { background: var(--error-95); }

/* Text variant */
.ds-btn.text { background: transparent; color: var(--primary-main); padding: 6px 8px; min-width: auto; }
.ds-btn.text:hover { background: var(--primary-95); }
.ds-btn.text.secondary { color: var(--secondary-main); }
.ds-btn.text.secondary:hover { background: var(--secondary-95); }
.ds-btn.text.error { color: var(--error-main); }
.ds-btn.text.error:hover { background: var(--error-95); }

/* Pill variant — the OCL custom Chip-as-Button */
.ds-btn.pill { border-radius: 100px; height: 40px; padding: 0 16px; }
.ds-btn.pill.contained { border-radius: 100px; }
.ds-btn.pill.active { background: var(--surface-s90); color: var(--surface-dark); border: none; }
.ds-btn.pill.active:hover { background: var(--secondary-90); }
.ds-btn.pill.inactive { background: transparent; border: 1px solid var(--surface-s90); color: var(--surface-dark); }
.ds-btn.pill.inactive:hover { background: var(--surface-n96); }

/* Size modifiers */
.ds-btn.small { font-size: 13px; padding: 4px 10px; min-width: auto; }
.ds-btn.small.pill { height: 32px; padding: 0 12px; }
.ds-btn.large { font-size: 15px; padding: 8px 22px; }

/* Disabled state */
.ds-btn.disabled { opacity: 0.38; pointer-events: none; cursor: default; }

/* Icon inside button (stand-in) */
.ds-btn .icon { font-size: inherit; display: inline-flex; align-items: center; line-height: 1; }

/* ---------- Icon Button ---------- */

.ds-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 50%;
  padding: 8px;
  color: var(--surface-contrast);
  font-size: 20px;
  line-height: 1;
  transition: background-color 0.15s;
}
.ds-icon-btn:hover { background: rgba(94, 92, 113, 0.2); }
.ds-icon-btn.primary { color: var(--primary-main); }
.ds-icon-btn.secondary { color: var(--secondary-main); }
.ds-icon-btn.error { color: var(--error-main); }
.ds-icon-btn.small { padding: 4px; font-size: 18px; }
.ds-icon-btn.large { padding: 12px; font-size: 28px; }
.ds-icon-btn.disabled { opacity: 0.38; pointer-events: none; }

/* ---------- Button Group ---------- */

.ds-btn-group {
  display: inline-flex;
}
.ds-btn-group > .ds-btn {
  border-radius: 0;
}
.ds-btn-group > .ds-btn:first-child { border-radius: 4px 0 0 4px; }
.ds-btn-group > .ds-btn:last-child { border-radius: 0 4px 4px 0; }
.ds-btn-group > .ds-btn + .ds-btn { margin-left: -1px; }

/* Split button dropdown trigger */
.ds-btn-group > .ds-btn-dropdown { padding: 4px 6px; min-width: auto; border-left: 1px solid rgba(255, 255, 255, 0.3); }
.ds-btn-group > .ds-btn.outlined.ds-btn-dropdown { border-left: 1px solid currentColor; }
.ds-btn-group > .ds-btn.error.ds-btn-dropdown { border-left-color: rgba(255, 255, 255, 0.3); }

/* Pill-shaped button groups (rounded terminal buttons) */
.ds-btn-group.pill > .ds-btn:first-child { border-radius: 25px 0 0 25px; }
.ds-btn-group.pill > .ds-btn:last-child { border-radius: 0 25px 25px 0; }

/* Selected state for toggle groups */
.ds-btn.selected { background: var(--surface-s90); color: var(--surface-dark); font-weight: 700; }
.ds-btn.selected.primary-tint { background: var(--primary-90); }

/* ---------- In-the-wild table styling ---------- */

.wild-table { width: 100%; border-collapse: collapse; font-size: 13px; margin-bottom: 24px; }
.wild-table th, .wild-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border-subtle); vertical-align: top; }
.wild-table th { background: var(--bg-subtle); font-weight: 500; color: var(--text-secondary); font-size: 12px; }
.wild-table code { font-size: 11px; background: var(--bg-subtle); padding: 1px 5px; border-radius: 3px; }
.wild-table td:first-child { font-weight: 500; white-space: nowrap; }

/* ---------- Footer ---------- */

footer.site-footer {
  padding: 32px 40px;
  color: var(--text-muted);
  font-size: 12px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  background: var(--bg-panel);
}
footer.site-footer .legend { margin-top: 8px; }
footer.site-footer .legend .badge { margin: 0 4px; }