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

:root {
  color-scheme: dark;

  --font-sans: 'Roboto', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Cascadia Code', 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --font-size-body: 16px;
  --line-height-body: 1.5;
  --container-width: 75rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  --border-width: 1px;
  --transition-fast: 160ms ease;
  --transition-base: 220ms ease;

  /* Lamborghini palette — true black surfaces, gold accents */
  --color-gold: #FFC000;
  --color-gold-dim: #917300;
  --color-gold-glow: rgba(255, 192, 0, 0.10);

  --color-bg: #000000;
  --color-surface: #0E0E0E;
  --color-surface-raised: #181818;
  --color-surface-hover: #1F1F1F;
  --color-header-bg: rgba(0, 0, 0, 0.88);

  --color-text: #F8F8F8;
  --color-text-secondary: #A0A0A0;
  --color-text-muted: #707070;

  --color-border: #2A2A2A;
  --color-border-strong: #3A3A3A;

  --color-accent: var(--color-gold);
  --color-accent-soft: rgba(255, 192, 0, 0.08);
  --color-focus: var(--color-gold);
  --color-link: var(--color-gold);
  --color-link-hover: #FFD54F;

  --color-added: #4ADE80;
  --color-added-soft: rgba(74, 222, 128, 0.08);
  --color-added-border: rgba(74, 222, 128, 0.25);

  --color-removed: #F87171;
  --color-removed-soft: rgba(248, 113, 113, 0.08);
  --color-removed-border: rgba(248, 113, 113, 0.25);

  --color-modified: var(--color-gold);
  --color-modified-soft: var(--color-gold-glow);
  --color-modified-border: rgba(255, 192, 0, 0.25);

  --color-code-bg: #0A0A0A;
  --color-code-border: #222222;
  --color-selection: rgba(255, 192, 0, 0.18);

  --shadow-sm: none;
  --shadow-md: 0 0 40px rgba(0, 0, 0, 0.6);
  --shadow-gold: 0 0 20px rgba(255, 192, 0, 0.06);
}


/* ================================================================
   BASE
   ================================================================ */

html {
  font-size: var(--font-size-body);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: var(--line-height-body);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--color-selection);
  color: var(--color-text);
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-link-hover);
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

code,
pre,
.function-sig,
.struct-code {
  font-family: var(--font-mono);
}


/* ================================================================
   LAYOUT
   ================================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: var(--border-width) solid var(--color-border);
  background: var(--color-header-bg);
  backdrop-filter: blur(20px);
}

.site-header__inner,
.container {
  width: min(calc(100% - 2.5rem), var(--container-width));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 4rem;
}

.site-header__content {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  min-height: 4rem;
}

.site-header__eyebrow {
  display: none;
}

.site-title,
.site-header__title {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-header__title a {
  color: var(--color-gold);
  text-decoration: none;
}

.site-header__title a:hover {
  color: var(--color-link-hover);
}

.site-header__tagline {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.site-main,
main {
  display: block;
  padding: var(--space-7) 0 var(--space-8);
}

.container > :first-child {
  margin-top: 0;
}

.site-footer {
  border-top: var(--border-width) solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.site-footer__inner {
  width: min(calc(100% - 2.5rem), var(--container-width));
  margin: 0 auto;
  padding: var(--space-5) 0;
}

.site-footer__content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) 0;
}


/* ================================================================
   HERO / PAGE INTRO
   ================================================================ */

.hero-panel,
.page-intro {
  padding: var(--space-7) 0;
  margin-bottom: var(--space-6);
  border-bottom: var(--border-width) solid var(--color-border);
  background: transparent;
  border-radius: 0;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  box-shadow: none;
}

.hero-panel h2,
.page-intro h2 {
  margin: 0 0 var(--space-3);
  font-size: 2.4rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
  line-height: 1.15;
}

.hero-panel p,
.page-intro p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 1rem;
  max-width: 40rem;
}


/* ================================================================
   CONTROLS — SEARCH + FILTERS
   ================================================================ */

.controls-panel {
  display: grid;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.field-label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.search-bar {
  position: relative;
  width: 100%;
}

.search-bar::before {
  content: "⌕";
  position: absolute;
  top: 50%;
  left: var(--space-4);
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 1rem;
  pointer-events: none;
}

.search-bar input,
.search-bar__input,
#global-search,
#page-search {
  width: 100%;
  min-height: 3rem;
  padding: 0.8rem var(--space-4) 0.8rem 2.75rem;
  border: var(--border-width) solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  color: var(--color-text);
  box-sizing: border-box;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-bar input::placeholder,
#global-search::placeholder,
#page-search::placeholder {
  color: var(--color-text-muted);
}

.search-bar input:focus-visible,
#global-search:focus-visible,
#page-search:focus-visible {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 1px var(--color-gold);
}

button:focus-visible,
a:focus-visible,
input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.filters,
.filter-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-6);
}

.filters fieldset,
.filter-group {
  margin: 0;
  padding: 0;
  border: 0;
}

.filters legend,
.filter-group legend {
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.filters label,
.filter-group label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  white-space: nowrap;
  cursor: pointer;
}

.filters input[type="checkbox"],
.filter-group input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--color-gold);
}


/* ================================================================
   BUTTONS
   ================================================================ */

.button,
button:not(.diff-card__header):not(.version-table__sort-button) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.5rem;
  padding: 0.55rem 1rem;
  border: var(--border-width) solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.button:hover,
button:not(.diff-card__header):not(.version-table__sort-button):hover {
  background: var(--color-surface-hover);
  border-color: var(--color-gold-dim);
  color: var(--color-gold);
}


/* ================================================================
   VERSION TABLE
   ================================================================ */

.table-scroll {
  overflow-x: auto;
}

.version-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-radius: 0;
}

.version-table caption {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.version-table thead {
  background: var(--color-surface-raised);
}

.version-table th,
.version-table td {
  padding: 1rem 1.25rem;
  border-bottom: var(--border-width) solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.version-table th {
  position: relative;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.version-table th[data-sort-key],
.version-table th[data-sortable="true"] {
  cursor: pointer;
}

.version-table th[data-sort-key]::after,
.version-table th[data-sortable="true"]::after {
  content: "↕";
  margin-left: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.85em;
}

.version-table th[data-sort-direction="ascending"]::after {
  content: "↑";
  color: var(--color-gold);
}

.version-table th[data-sort-direction="descending"]::after {
  content: "↓";
  color: var(--color-gold);
}

.version-table th[aria-sort="ascending"],
.version-table th[aria-sort="descending"] {
  color: var(--color-text);
}

.version-table__sort-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: inherit;
  text-transform: inherit;
  letter-spacing: inherit;
}

.version-table tbody tr {
  transition: background var(--transition-fast);
}

.version-table tbody tr:hover {
  background: var(--color-surface-hover);
}

.version-table tbody tr[hidden] {
  display: none;
}

.version-table td a {
  color: var(--color-text);
  font-weight: 500;
}

.version-table td a:hover {
  color: var(--color-gold);
}


/* ================================================================
   BADGES
   ================================================================ */

.badge-added,
.badge-removed,
.badge-modified,
.search-hit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  padding: 0.2rem 0.6rem;
  border: var(--border-width) solid transparent;
  border-radius: 0;
  font-size: 0.8rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
}

.badge-added {
  background: var(--color-added-soft);
  border-color: var(--color-added-border);
  color: var(--color-added);
}

.badge-removed {
  background: var(--color-removed-soft);
  border-color: var(--color-removed-border);
  color: var(--color-removed);
}

.badge-modified {
  background: var(--color-modified-soft);
  border-color: var(--color-modified-border);
  color: var(--color-modified);
}


/* ================================================================
   SUMMARY BAR
   ================================================================ */

.summary-bar {
  display: flex;
  width: 100%;
  min-height: 4px;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--color-border);
}

.summary-bar__segment {
  min-width: 0;
  transition: flex-basis var(--transition-base);
}

.summary-bar__segment--added,
.summary-bar [data-kind="added"] {
  background: var(--color-added);
}

.summary-bar__segment--removed,
.summary-bar [data-kind="removed"] {
  background: var(--color-removed);
}

.summary-bar__segment--modified,
.summary-bar [data-kind="modified"] {
  background: var(--color-gold);
}


/* ================================================================
   SUMMARY PANEL
   ================================================================ */

.summary-panel {
  padding: var(--space-5);
  border: var(--border-width) solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  box-shadow: none;
}


/* ================================================================
   DIFF SECTIONS + CARDS
   ================================================================ */

.page-section,
.page-panel {
  border: var(--border-width) solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  box-shadow: none;
}

.page-panel {
  padding: var(--space-5);
}

.diff-section {
  display: grid;
  gap: var(--space-4);
}

.diff-section__header,
.section-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.section-heading,
.page-heading {
  margin: 0 0 var(--space-4);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.page-subtitle,
.section-subtitle,
.muted {
  color: var(--color-text-muted);
}

.diff-card {
  border: var(--border-width) solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  box-shadow: none;
  overflow: clip;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.diff-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-gold);
}

.diff-card__header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-4) var(--space-5);
  border: 0;
  background: transparent;
  color: var(--color-text);
  text-align: left;
}

.diff-card__header::after {
  content: "▸";
  flex-shrink: 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.diff-card.is-open .diff-card__header::after,
.diff-card__header[aria-expanded="true"]::after {
  transform: rotate(90deg);
  color: var(--color-gold);
}

.diff-card__header:hover {
  background: var(--color-surface-hover);
}

.diff-card__title {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.diff-card__name {
  font-size: 1rem;
  font-weight: 500;
  word-break: break-word;
  font-family: var(--font-mono);
}

.diff-card__meta,
.source-header {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.diff-card__body {
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--space-5);
  opacity: 0;
  transition: max-height var(--transition-base), opacity var(--transition-base), padding var(--transition-base);
}

.diff-card.is-open .diff-card__body,
.diff-card__header[aria-expanded="true"] + .diff-card__body {
  padding-bottom: var(--space-5);
  opacity: 1;
}

.diff-card__content > :first-child {
  margin-top: 0;
}

.diff-card__content > :last-child {
  margin-bottom: 0;
}


/* ================================================================
   CODE BLOCKS — STRUCT + FUNCTION RENDERING
   ================================================================ */

.struct-code,
.struct-code pre,
.function-sig {
  border: var(--border-width) solid var(--color-code-border);
  border-radius: 0;
  background: var(--color-code-bg);
}

.struct-code {
  overflow: hidden;
}

.struct-code pre,
pre.struct-code {
  margin: 0;
  padding: var(--space-4);
  overflow-x: auto;
  color: var(--color-text);
  font-size: 0.88rem;
  line-height: 1.6;
}

.function-sig {
  display: block;
  margin: 0;
  padding: 0.85rem 1rem;
  overflow-x: auto;
  color: var(--color-text);
  font-size: 0.88rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.field-added {
  display: block;
  margin: 0 calc(-1 * var(--space-4));
  padding: 0 var(--space-4);
  background: var(--color-added-soft);
  border-left: 2px solid var(--color-added);
}

.field-removed {
  display: block;
  margin: 0 calc(-1 * var(--space-4));
  padding: 0 var(--space-4);
  background: var(--color-removed-soft);
  border-left: 2px solid var(--color-removed);
}

.field-changed {
  display: block;
  margin: 0 calc(-1 * var(--space-4));
  padding: 0 var(--space-4);
  background: var(--color-modified-soft);
  border-left: 2px solid var(--color-gold);
}


/* ================================================================
   SIDE-BY-SIDE DIFF
   ================================================================ */

.side-by-side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: start;
}

.side-by-side__before,
.side-by-side__after {
  min-width: 0;
  border: var(--border-width) solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface-raised);
  padding: var(--space-4);
}

.side-by-side__before > :first-child,
.side-by-side__after > :first-child {
  margin-top: 0;
}

.side-by-side h3,
.side-by-side h4 {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-3);
}


/* ================================================================
   BREADCRUMB
   ================================================================ */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-5);
  color: var(--color-text-muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-gold);
}

.breadcrumb__separator,
.breadcrumb .separator {
  color: var(--color-text-muted);
}


/* ================================================================
   TABLE OF CONTENTS
   ================================================================ */

.toc {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border: var(--border-width) solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  box-shadow: none;
}

.toc h2,
.toc h3,
.toc h4 {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.toc ul,
.toc ol {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.toc li::before {
  content: "—";
  margin-right: var(--space-2);
  color: var(--color-text-muted);
}

.toc a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

.toc a:hover {
  color: var(--color-gold);
}


/* ================================================================
   PAGE GRID
   ================================================================ */

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 20rem);
  gap: var(--space-6);
  align-items: start;
}

.page-grid--single {
  grid-template-columns: minmax(0, 1fr);
}

.page-sidebar {
  position: sticky;
  top: 5.5rem;
}


/* ================================================================
   SEARCH RESULTS
   ================================================================ */

.search-results {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.search-results__group {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  border: var(--border-width) solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  box-shadow: none;
}

.search-results__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.search-results__heading h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
}

.search-results__meta,
.search-results__empty,
.search-results__status {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.search-results__lists {
  display: grid;
  gap: var(--space-3);
}

.search-results__list {
  display: grid;
  gap: var(--space-2);
}

.search-results__label {
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.search-results__names {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.search-hit {
  background: var(--color-accent-soft);
  border-color: var(--color-border);
  color: var(--color-gold);
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}


/* ================================================================
   MISC
   ================================================================ */

.empty-section {
  padding: var(--space-5);
  color: var(--color-text-muted);
  border: var(--border-width) solid var(--color-border);
  border-radius: 0;
  background: var(--color-surface);
  box-shadow: none;
}

.table-results-count,
.page-search-count {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


/* ================================================================
   RESPONSIVE
   ================================================================ */

@media (max-width: 960px) {
  .page-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-sidebar {
    position: static;
  }

  .side-by-side {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .site-header__inner,
  .container,
  .site-footer__inner {
    width: min(calc(100% - 1.5rem), var(--container-width));
  }

  .hero-panel h2,
  .page-intro h2 {
    font-size: 1.6rem;
  }

  .site-header__content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    padding: var(--space-3) 0;
  }

  .site-header__tagline {
    display: none;
  }

  .filters,
  .filter-grid,
  .diff-section__header,
  .section-toolbar,
  .search-results__heading {
    align-items: stretch;
  }

  .version-table th,
  .version-table td {
    padding: 0.8rem 0.75rem;
  }
}


/* ================================================================
   TEMPLATE CLASS ALIASES
   Align class names used in templates with the design system.
   ================================================================ */

.diff-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
}

.diff-table thead {
  background: var(--color-surface-raised);
}

.diff-table th,
.diff-table td {
  padding: 1rem 1.25rem;
  border-bottom: var(--border-width) solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.diff-table th {
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.diff-table tbody tr {
  transition: background var(--transition-fast);
}

.diff-table tbody tr:hover {
  background: var(--color-surface-hover);
}

.diff-table tbody tr[hidden] {
  display: none;
}

.diff-table td a {
  color: var(--color-text);
  font-weight: 500;
}

.diff-table td a:hover {
  color: var(--color-gold);
}

.sort-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: inherit;
  text-transform: inherit;
  letter-spacing: inherit;
  cursor: pointer;
}

.sort-button::after {
  content: "↕";
  color: var(--color-text-muted);
  font-size: 0.85em;
}

.sort-button[aria-sort="ascending"]::after,
.sort-button.sort-asc::after {
  content: "↑";
  color: var(--color-gold);
}

.sort-button[aria-sort="descending"]::after,
.sort-button.sort-desc::after {
  content: "↓";
  color: var(--color-gold);
}

.change-chip {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  font-size: 0.82rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.change-chip--added {
  color: var(--color-added);
}

.change-chip--removed {
  color: var(--color-removed);
}

.change-chip--modified {
  color: var(--color-gold);
}

.table-panel {
  margin-bottom: var(--space-6);
}

.table-panel__header {
  margin-bottom: var(--space-4);
}

.table-panel__header h2 {
  margin: 0 0 var(--space-1);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.table-panel__header p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.table-wrap {
  overflow-x: auto;
}

.diff-table__link {
  color: var(--color-gold);
  font-weight: 500;
}

.diff-table__link:hover {
  color: var(--color-link-hover);
}

.search-results-panel {
  margin-bottom: var(--space-6);
}

.empty-state {
  color: var(--color-text-muted);
  padding: var(--space-5);
}


.stat-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  border: var(--border-width) solid var(--color-border);
  background: var(--color-border);
  margin-bottom: var(--space-6);
}

.stat-box {
  min-width: 0;
  background: var(--color-surface);
  padding: var(--space-4) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-box__value {
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.stat-box__label,
.toc-panel__heading,
.diff-columns__label,
.change-notes__heading {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stat-box--added .stat-box__value {
  color: var(--color-added);
}

.stat-box--removed .stat-box__value {
  color: var(--color-removed);
}

.stat-box--modified .stat-box__value {
  color: var(--color-gold);
}

.toc-panel {
  border: var(--border-width) solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}

.toc-panel__heading {
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-width) solid var(--color-border);
}

.toc-panel__groups {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.toc-panel__group-label {
  margin: 0 0 var(--space-3);
  color: var(--color-text-muted);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.toc-panel__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1px;
}

.toc-panel__list li {
  display: block;
}

.toc-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.6rem 0.75rem;
  border-left: 2px solid transparent;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.toc-link:hover {
  background: var(--color-surface-hover);
  border-left-color: var(--color-gold);
  color: var(--color-text);
}

.toc-link__icon {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.toc-link:hover .toc-link__icon {
  color: var(--color-gold);
  transform: translateY(2px);
}

.toc-link__text {
  flex: 1;
}

@media (max-width: 600px) {
  .toc-panel__groups {
    grid-template-columns: 1fr;
  }
}

.diff-section {
  display: block;
  margin-bottom: var(--space-7);
}

.diff-section__header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-width) solid var(--color-border);
}

.diff-section__title {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.card-stack {
  display: grid;
  gap: var(--space-3);
}

.card {
  border: var(--border-width) solid var(--color-border);
  background: var(--color-surface);
  transition: border-color var(--transition-fast);
}

.card--static {
  background: var(--color-surface);
}


.card:hover {
  border-color: var(--color-border-strong);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  cursor: pointer;
  list-style: none;
}

.card__header:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: -2px;
}

.card__header::-webkit-details-marker {
  display: none;
}

.card__header::marker {
  content: '';
}

.card__header::after {
  content: '▸';
  flex-shrink: 0;
  color: var(--color-text-muted);
  font-size: 1rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

details.card[open] > .card__header::after {
  transform: rotate(90deg);
  color: var(--color-gold);
}

.card__name {
  min-width: 0;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.95rem;
  word-break: break-word;
  transition: color var(--transition-fast);
}

.card__header:hover .card__name {
  color: var(--color-gold);
}

.card__meta {
  margin: 0 0 0 auto;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  text-align: right;
}

.card__body,
.card__body--open {
  display: grid;
  gap: var(--space-4);
  padding: 0 var(--space-5) var(--space-5);
}

.card__body > :first-child,
.card__body--open > :first-child {
  margin-top: 0;
}

.card__body > :last-child,
.card__body--open > :last-child {
  margin-bottom: 0;
}

.card__header--static {
  cursor: default;
}

.card__header--static::after {
  content: none;
}

.card__header--static:hover .card__name {
  color: var(--color-text);
}

.code-block {
  margin: 0;
  padding: var(--space-4);
  border: var(--border-width) solid var(--color-code-border);
  background: var(--color-code-bg);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
}

.code-block code {
  font: inherit;
  color: inherit;
}

.code-block--inline {
  padding: 0.6rem var(--space-4);
  font-size: 0.88rem;
}

.hl-added,
.hl-removed,
.hl-changed {
  display: inline-block;
  min-width: calc(100% + 2 * var(--space-4));
  width: max-content;
  margin-left: calc(-1 * var(--space-4));
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  box-sizing: border-box;
  vertical-align: top;
}

.hl-added {
  background: var(--color-added-soft);
  border-left: 2px solid var(--color-added);
}

.hl-removed {
  background: var(--color-removed-soft);
  border-left: 2px solid var(--color-removed);
}

.hl-changed {
  background: var(--color-modified-soft);
  border-left: 2px solid var(--color-gold);
}

.diff-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.diff-columns__pane {
  min-width: 0;
}

.diff-columns__label {
  margin: 0 0 var(--space-2);
}

.change-notes {
  margin-top: var(--space-4);
}

.change-notes__list {
  margin: var(--space-2) 0 0;
  padding-left: 1.2rem;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.change-notes__list li + li {
  margin-top: var(--space-1);
}

.change-notes__list code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--color-gold);
}

.fn-entry {
  display: grid;
  gap: var(--space-2);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-width) solid var(--color-border);
}

.fn-entry:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.fn-entry__meta {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

.count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.8rem;
  padding: 0.1rem 0.5rem;
  border: var(--border-width) solid var(--color-border);
  background: var(--color-surface-raised);
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.controls-panel--compact {
  margin-bottom: var(--space-6);
}

@media (max-width: 960px) {
  .stat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .diff-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}


/* ================================================================
   SYNTAX COLORING — C/C++ tokens inside code blocks
   ================================================================ */

.syn-kw {
  color: #569CD6;
}

.syn-type {
  color: #4EC9B0;
}

.syn-fn {
  color: #DCDCAA;
}

.syn-comment {
  color: #6A9955;
}

.syn-num {
  color: #B5CEA8;
}

.syn-punct {
  color: #808080;
}



/* ================================================================
   VTABLE METHOD DISPLAY
   ================================================================ */

.vtable-panel {
  margin-top: var(--space-4);
  border-top: var(--border-width) solid var(--color-border);
  padding-top: var(--space-4);
}

.vtable-panel__heading {
  margin: 0 0 var(--space-3);
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.vtable-panel__count {
  color: var(--color-text-secondary);
}

.code-block--vtable {
  border-color: var(--color-gold-dim);
  border-left: 2px solid var(--color-gold-dim);
}