*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #fff;
  --bg-card: #ffffff;
  --bg-code: #f0f1f3;
  --text: #222;
  --text-secondary: #777;
  --text-muted: #999;
  --accent: #05d;
  --accent-hover: #03a;
  --border: #d0d7de;
  --border-light: #e8eaed;
  --header-bg: #eee;
  --radius: 3px;
  --type-color: #6f42c1;
  --required-color: #a20;
  --font:
    "Fira Sans", "Trebuchet MS", Roboto, -apple-system, BlinkMacSystemFont,
    sans-serif;
  --font-mono: "Fira Code", Consolas, "Cascadia Code", monospace;
}

[data-theme="dark"] {
  --bg: #282a36;
  --bg-card: #353746;
  --bg-code: #202129;
  --text: #bcc2d7;
  --text-secondary: #7c88b1;
  --text-muted: #5a6488;
  --accent: #49a4e4;
  --accent-hover: #6bb5ec;
  --border: #3a3d4e;
  --border-light: #2e3040;
  --header-bg: #353746;
  --type-color: #a68bfc;
  --required-color: #c64;
}

@media (prefers-color-scheme: dark) {
  [data-theme="auto"] {
    --bg: #282a36;
    --bg-card: #353746;
    --bg-code: #202129;
    --text: #bcc2d7;
    --text-secondary: #7c88b1;
    --text-muted: #5a6488;
    --accent: #49a4e4;
    --accent-hover: #6bb5ec;
    --border: #3a3d4e;
    --border-light: #2e3040;
    --header-bg: #353746;
    --type-color: #a68bfc;
    --required-color: #c64;
  }
}

body {
  font-family: var(--font);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  overflow-wrap: anywhere;
  word-break: break-word;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

/* Header */
.site-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.5rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.site-logo {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  white-space: nowrap;
  flex-shrink: 0;
}
.site-logo:hover {
  text-decoration: none;
  color: var(--accent);
}

/* Search */
.search-wrapper {
  flex: 1;
  position: relative;
  max-width: 400px;
}
.search-input {
  width: 100%;
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
  font-family: var(--font);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(3, 102, 214, 0.15);
}
.search-results {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  max-height: 400px;
  overflow-y: auto;
  z-index: 200;
}
.search-result-item {
  display: block;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
}
.search-result-item:hover,
.search-result-item.active {
  background: var(--bg-code);
  text-decoration: none;
}
.search-result-name {
  font-weight: 600;
  font-size: 0.85rem;
}
.search-result-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 1px;
}
.search-result-group {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Theme toggle */
.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.3rem;
  cursor: pointer;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.theme-icon {
  display: none;
}
[data-theme="light"] .theme-icon-light,
[data-theme="dark"] .theme-icon-dark,
[data-theme="auto"] .theme-icon-auto {
  display: block;
}

/* Home header */
.home-header {
  padding: 1rem 0 0.75rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}
.home-header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.home-intro {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}
.section-heading {
  font-size: 1rem;
  font-weight: 600;
  margin: 1rem 0 0.75rem;
  color: var(--text-muted);
}

/* Card grid (groups on home) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

/* Group card */
.group-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  color: var(--text);
  transition: border-color 0.15s;
}
.group-card:hover {
  border-color: var(--accent);
  text-decoration: none;
}
.group-card-name {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}
.group-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.group-card-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Schema list */
.schema-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.schema-card {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-light);
}
.schema-card:last-child {
  border-bottom: none;
}
.schema-card-name {
  font-weight: 600;
  font-size: 0.9rem;
}
.schema-card-name a {
  color: var(--accent);
}
.schema-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.1rem;
}
.schema-card-patterns {
  margin-top: 0.2rem;
}
.schema-card-patterns code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-code);
  padding: 0.05rem 0.35rem;
  border-radius: 2px;
  color: var(--text-muted);
  margin-right: 0.2rem;
}

/* Unassigned section */
.unassigned-section {
  margin-top: 1.5rem;
}
.unassigned-section h2 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

/* Breadcrumb */
.breadcrumb {
  font-size: 0.85rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
}
.breadcrumb a {
  color: var(--accent);
}
.breadcrumb-sep {
  margin: 0 0.3rem;
}
.breadcrumb-current {
  color: var(--text-secondary);
}

/* Page header */
.page-header {
  margin-bottom: 1rem;
}
.page-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
}
.page-description {
  color: var(--text-secondary);
  margin-top: 0.15rem;
  font-size: 0.95rem;
}
.badge {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--bg-code);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  margin-top: 0.3rem;
}

/* Meta table (schema detail) */
.meta-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  table-layout: fixed;
}
.meta-table th {
  text-align: left;
  width: 100px;
  padding: 0.3rem 0.5rem 0.3rem 0;
  color: var(--text-muted);
  font-weight: 500;
  vertical-align: top;
  white-space: nowrap;
}
.meta-table td {
  padding: 0.3rem 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.url-cell {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  word-break: break-all;
}

/* Detail sections */
.detail-section {
  margin-bottom: 1rem;
}
.detail-section h2 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}
.pattern-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-code);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  color: var(--text);
  border: 1px solid var(--border-light);
}
.version-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.version-link {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  transition: border-color 0.15s;
}
.version-link:hover {
  border-color: var(--accent);
  text-decoration: none;
}

/* Lintel usage section */
.lintel-section {
  margin-bottom: 1rem;
}
.lintel-section h2 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}
.lintel-section .code-block {
  margin-top: 0.3rem;
}

.code-block {
  background: var(--bg-code);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 0.6rem 0.8rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.5;
}

/* Back link */
.back-link {
  margin-top: 1.5rem;
}
.back-link a {
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  margin-top: 2rem;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.site-footer a {
  color: var(--accent);
}

/* ---- Schema Documentation ---- */
.schema-doc {
  margin-top: 1.5rem;
}
.schema-doc h2 {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border-light);
}
.schema-doc-type {
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}
.schema-doc-type .label {
  color: var(--text-muted);
  font-weight: 500;
}

/* Type badge */
.type-badge {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--type-color);
}

/* Required badge */
.required-badge {
  font-size: 0.75rem;
  color: var(--required-color);
  font-weight: 600;
}

/* Property list */
.property-list {
  border-left: 2px solid var(--border-light);
  padding-left: 0.75rem;
  margin-left: 0.25rem;
}

/* Property item */
.property-item {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border-light);
  min-width: 0;
}
.property-item:last-child {
  border-bottom: none;
}

.property-header {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.property-name {
  font-weight: 600;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text);
}

/* Property metadata */
.property-meta {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}
.property-meta .meta-label {
  color: var(--text-muted);
  font-weight: 500;
}
.property-meta code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-code);
  padding: 0.05rem 0.3rem;
  border-radius: 2px;
}
.enum-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-code);
  padding: 0.05rem 0.3rem;
  border-radius: 2px;
}

/* Constraints */
.property-constraints {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-top: 0.2rem;
}
.constraint {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--bg-code);
  border: 1px solid var(--border-light);
  padding: 0.05rem 0.35rem;
  border-radius: 2px;
  color: var(--text-secondary);
}

/* Inline compositions */
.inline-composition {
  font-size: 0.8rem;
  margin-top: 0.15rem;
  color: var(--text-secondary);
}
.inline-variant {
  color: var(--text);
}

/* Nested properties */
.nested-properties {
  margin-top: 0.3rem;
}
.nested-properties summary {
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.nested-properties summary:hover {
  color: var(--accent);
}
.nested-properties .property-list {
  margin-top: 0.25rem;
}

/* Description HTML */
.desc-html {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.15rem;
}
.desc-html p {
  margin-bottom: 0.4rem;
}
.desc-html p:last-child {
  margin-bottom: 0;
}
.desc-html code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-code);
  padding: 0.05rem 0.3rem;
  border-radius: 2px;
}
.desc-html pre {
  background: var(--bg-code);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 0.5rem;
  overflow-x: auto;
  margin: 0.3rem 0;
}
.desc-html pre code {
  background: none;
  padding: 0;
}
.desc-html a {
  color: var(--accent);
}
.desc-html ul,
.desc-html ol {
  margin: 0.3rem 0;
  padding-left: 1.5rem;
}
.desc-html table {
  border-collapse: collapse;
  margin: 0.3rem 0;
  font-size: 0.8rem;
}
.desc-html th,
.desc-html td {
  border: 1px solid var(--border);
  padding: 0.2rem 0.5rem;
}

/* Composition / variant blocks */
.composition-block {
  margin-bottom: 0.5rem;
}
.variant-block {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border-light);
}
.variant-block:last-child {
  border-bottom: none;
}
.variant-header {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}
.variant-index {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}
.variant-label {
  font-weight: 600;
  font-size: 0.9rem;
}

/* Definition blocks (always expanded) */
.definition-block {
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  scroll-margin-top: 3.5rem;
}
.definition-header {
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  background: var(--bg-code);
  border-bottom: 1px solid var(--border-light);
  border-radius: var(--radius) var(--radius) 0 0;
}
.def-name {
  font-weight: 600;
  font-family: var(--font-mono);
}
.definition-body {
  padding: 0.4rem 0.6rem;
}
.definition-examples {
  margin-top: 0.4rem;
  font-size: 0.8rem;
}
.definition-examples .meta-label {
  color: var(--text-muted);
  font-weight: 500;
}
.definition-examples ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin: 0.2rem 0 0;
}
.definition-examples li {
  margin-bottom: 0.1rem;
}
.definition-examples code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-code);
  padding: 0.05rem 0.3rem;
  border-radius: 2px;
}

/* Type badge link (clickable ref to definition) */
.type-badge-link {
  text-decoration: none;
}
.type-badge-link:hover {
  text-decoration: underline;
}

/* Schema examples */
.schema-examples {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.example-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--bg-code);
  padding: 0.15rem 0.4rem;
  border-radius: 2px;
}

/* Schema page two-column layout */
.schema-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 1.5rem;
  align-items: start;
}
.schema-detail {
  min-width: 0;
}

/* Page outline (sticky TOC) */
.page-outline {
  position: sticky;
  top: 3.5rem;
  max-height: calc(100vh - 4rem);
  overflow-y: auto;
  font-size: 0.8rem;
  padding-top: 0.5rem;
}
.page-outline:empty {
  display: none;
}
.outline-title {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}
.outline-link {
  display: block;
  padding: 0.15rem 0 0.15rem 0.5rem;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  line-height: 1.4;
  text-decoration: none;
}
.outline-link:hover {
  color: var(--accent);
  text-decoration: none;
}
.outline-link.active {
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 500;
}
.outline-sub {
  padding-left: 1rem;
  font-size: 0.7rem;
  line-height: 1.3;
}

/* Scroll margin for anchor links (clear sticky header) */
h2[id],
.property-item[id],
.definition-block[id] {
  scroll-margin-top: 3.5rem;
}

/* Responsive */
@media (max-width: 900px) {
  .schema-layout {
    grid-template-columns: 1fr;
  }
  .page-outline {
    display: none;
  }
}

@media (max-width: 768px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
  .nav-container {
    flex-wrap: wrap;
  }
  .search-wrapper {
    max-width: 100%;
    order: 3;
    width: 100%;
  }
  .meta-table th {
    width: 80px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0.75rem;
  }
  .nav-container {
    padding: 0.4rem 0.75rem;
  }
  .home-header h1 {
    font-size: 1.1rem;
  }
  .page-header h1 {
    font-size: 1.25rem;
  }
}