:root {
  color-scheme: light;
  --bg: #f6f5f2;
  --surface: #ffffff;
  --surface-2: #efede8;
  --text: #1d1f22;
  --muted: #62666d;
  --border: #dcd9d2;
  --accent: #b4520f;
  --accent-soft: #fbe9dc;
  --row-hover: #faf7f1;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.05), 0 4px 16px rgb(0 0 0 / 0.04);
  --r1-bg: #fde2e1; --r1-fg: #a1231d;
  --r2-bg: #fdeadb; --r2-fg: #a4480c;
  --r3-bg: #fbf1cf; --r3-fg: #7d5d00;
  --r4-bg: #e3f3df; --r4-fg: #2e6b25;
  --r5-bg: #d6efe4; --r5-fg: #11603f;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #15171a;
    --surface: #1d2024;
    --surface-2: #262a2f;
    --text: #e7e8ea;
    --muted: #9ba1a9;
    --border: #33383e;
    --accent: #f08a43;
    --accent-soft: #3a2618;
    --row-hover: #23272c;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 4px 16px rgb(0 0 0 / 0.2);
    --r1-bg: #47201f; --r1-fg: #ffaaa5;
    --r2-bg: #45291a; --r2-fg: #ffb98a;
    --r3-bg: #3f3618; --r3-fg: #f2d47a;
    --r4-bg: #213a20; --r4-fg: #a5dc98;
    --r5-bg: #163a2c; --r5-fg: #86dbb5;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #15171a;
  --surface: #1d2024;
  --surface-2: #262a2f;
  --text: #e7e8ea;
  --muted: #9ba1a9;
  --border: #33383e;
  --accent: #f08a43;
  --accent-soft: #3a2618;
  --row-hover: #23272c;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 4px 16px rgb(0 0 0 / 0.2);
  --r1-bg: #47201f; --r1-fg: #ffaaa5;
  --r2-bg: #45291a; --r2-fg: #ffb98a;
  --r3-bg: #3f3618; --r3-fg: #f2d47a;
  --r4-bg: #213a20; --r4-fg: #a5dc98;
  --r5-bg: #163a2c; --r5-fg: #86dbb5;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: inherit; }

[hidden] { display: none !important; }

.wrap {
  max-width: 1600px;
  margin: 0 auto;
  padding-inline: 16px;
}

/* Header */

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  text-decoration: none;
}

.brand-mark {
  background: var(--accent);
  color: var(--surface);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 13px;
  letter-spacing: 0.04em;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 999px;
  padding: 5px 12px 5px 9px;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.theme-toggle:hover { border-color: var(--muted); }

.icon {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: none;
}

/* The toggle's icon and label follow the root data-theme, which the <head>
   script sets before first paint, so the button never changes after load. */
.theme-label { display: none; }

:root:not([data-theme]) .theme-toggle .label-system,
:root[data-theme="light"] .theme-toggle .label-light,
:root[data-theme="dark"] .theme-toggle .label-dark { display: inline; }

:root:not([data-theme]) .theme-toggle .icon-system,
:root[data-theme="light"] .theme-toggle .icon-light,
:root[data-theme="dark"] .theme-toggle .icon-dark,
.theme-toggle .chevron,
.theme-menu .icon { display: block; }

.theme-picker { position: relative; }

.theme-toggle { padding-right: 8px; }

.theme-toggle .chevron {
  width: 14px;
  height: 14px;
  color: var(--muted);
  transition: transform 0.15s;
}

.theme-toggle[aria-expanded="true"] .chevron { transform: rotate(180deg); }

.theme-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 150px;
  padding: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow), 0 8px 24px rgb(0 0 0 / 0.12);
  z-index: 20;
}

.theme-menu button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 9px;
  border: 0;
  border-radius: 5px;
  background: none;
  color: var(--text);
  font: inherit;
  font-size: 14px;
  text-align: left;
  cursor: pointer;
}

.theme-menu button:hover,
.theme-menu button:focus-visible {
  background: var(--surface-2);
  outline: none;
}

.theme-menu button span { flex: 1; }

.theme-menu .check { visibility: hidden; color: var(--accent); }

.theme-menu [aria-checked="true"] { color: var(--accent); font-weight: 600; }

.theme-menu [aria-checked="true"] .check { visibility: visible; }

.category-nav {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 8px;
}

.category-nav::-webkit-scrollbar { display: none; }

.cat-icon {
  flex: none;
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.category-nav a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.category-nav a:hover { background: var(--surface-2); color: var(--text); }

.category-nav a[aria-current="page"] {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

/* Intro */

.intro { padding-block: 28px 12px; }

.intro h1 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
  font-size: clamp(24px, 4vw, 32px);
  line-height: 1.2;
}

.intro p { margin: 0; color: var(--muted); }

/* Index */

.category-grid {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.category-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  height: 100%;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: border-color 0.15s, transform 0.15s;
}

.category-card:hover { border-color: var(--accent); transform: translateY(-1px); }

.intro h1 .cat-icon { color: var(--accent); stroke-width: 1.5; }

.card-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 8px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 28px;
}

.card-icon .cat-icon { stroke-width: 1.5; }

.card-title { font-size: 17px; font-weight: 650; }

.card-count { font-size: 28px; font-weight: 700; color: var(--accent); line-height: 1.2; }

.card-count small { font-size: 14px; font-weight: 500; color: var(--muted); }

.card-years { color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }

.card-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }

.tag {
  font-size: 12px;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
}

/* Filters */

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px;
  margin-block: 12px;
}

.field { display: flex; flex-direction: column; gap: 3px; font-size: 12px; color: var(--muted); }

.field-search { flex: 1 1 220px; }

.field input,
.field select,
.reset {
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 9px;
  min-height: 34px;
}

.field input[name="year"] { width: 100px; }

.field input:focus,
.field select:focus,
.reset:focus-visible,
.theme-toggle:focus-visible,
th button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.reset { cursor: pointer; background: var(--surface-2); }

.sort-control { display: flex; gap: 4px; }

.sort-dir {
  display: grid;
  place-items: center;
  width: 34px;
  min-height: 34px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
}

.sort-dir:disabled { color: var(--muted); opacity: 0.5; cursor: default; }

.sort-dir .icon { display: block; transition: transform 0.15s; }

.sort-dir[data-dir="ascending"] .icon { transform: rotate(180deg); }

.view-switch {
  display: flex;
  margin-left: auto;
  padding: 3px;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
}

.view-switch button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 0;
  border-radius: 5px;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
}

.view-switch .icon { display: block; }

.view-switch button[aria-pressed="true"] {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

.sort-dir:focus-visible,
.view-switch button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* Only one view is visible; <head> sets data-view before first paint. */
:root[data-view="cards"] .table-wrap,
:root:not([data-view="cards"]) .cards,
:root:not([data-view="cards"]) .sort-field { display: none; }

.table-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 16px;
  margin-bottom: 8px;
  font-size: 13px;
  color: var(--muted);
}

.count { margin: 0; }

.legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  margin: 0;
}

.legend > span:first-child { margin-right: 4px; }

/* Table */

.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.vehicles {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.vehicles th,
.vehicles td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

.vehicles .num { text-align: right; }

.vehicles .center { text-align: center; }

.vehicles thead th {
  background: var(--surface-2);
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  padding: 0;
  vertical-align: middle;
}

.vehicles thead th,
.vehicles thead th.num { text-align: center; }

.vehicles thead th:first-child { text-align: left; }

.vehicles thead th:first-child button { padding-left: 8px; }

.vehicles thead th button {
  all: unset;
  box-sizing: border-box;
  display: block;
  width: 100%;
  position: relative;
  padding: 8px 14px;
  cursor: pointer;
  text-align: inherit;
  white-space: normal;
}

/* The sort arrow sits in the right padding so it never wraps the label. */
.vehicles thead th button::after {
  position: absolute;
  right: 3px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 9px;
}

.vehicles thead th[aria-sort="ascending"] button::after { content: "▲"; }
.vehicles thead th[aria-sort="descending"] button::after { content: "▼"; }

.vehicles thead th[aria-sort="ascending"],
.vehicles thead th[aria-sort="descending"] { color: var(--accent); }

.vehicles tbody th {
  font-weight: 600;
  white-space: normal;
  min-width: 140px;
  max-width: 220px;
  position: sticky;
  left: 0;
  background: var(--surface);
  z-index: 1;
}

.vehicles thead th:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
}

.vehicles tbody tr:hover td,
.vehicles tbody tr:hover th { background: var(--row-hover); }

.vehicles tbody tr:last-child > * { border-bottom: 0; }

.rating {
  display: inline-block;
  min-width: 2.8em;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  white-space: nowrap;
}

.vehicles .rating { cursor: help; }

.rating-1 { background: var(--r1-bg); color: var(--r1-fg); }
.rating-2 { background: var(--r2-bg); color: var(--r2-fg); }
.rating-3 { background: var(--r3-bg); color: var(--r3-fg); }
.rating-4 { background: var(--r4-bg); color: var(--r4-fg); }
.rating-5 { background: var(--r5-bg); color: var(--r5-fg); }

.empty { margin: 0; padding: 24px; text-align: center; color: var(--muted); }

/* Vehicle cards */

.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 14px;
}

/* Each card spans five rows of the list grid (head, tags, hero, specs, ratings)
   via subgrid, so sections line up across a row even when a name wraps. */
.card {
  display: grid;
  grid-row: span 5;
  grid-template-rows: subgrid;
  row-gap: 12px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.card dl,
.card dd { margin: 0; }

.card-head {
  display: flex;
  align-items: baseline;
  align-self: start;
  justify-content: space-between;
  gap: 8px;
}

.card-head h2 { margin: 0; font-size: 17px; line-height: 1.3; }

.card .card-years { flex: none; font-size: 13px; }

.card .card-tags { margin-top: -6px; }

.card .card-tags:empty { display: none; }

.card-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px 16px;
  container-type: inline-size;
}

.card-hero div { display: flex; flex-direction: column-reverse; }

.card-hero dd {
  /* Shrinks slightly on narrow cards so long numbers still fit. */
  font-size: clamp(17px, 8cqi, 22px);
  font-weight: 700;
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.card-hero dt,
.card-specs dt,
.card-ratings dt { font-size: 12px; color: var(--muted); }

.card-specs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.card-specs dd {
  font-size: 15px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.card-specs small { font-size: 12px; font-weight: 400; color: var(--muted); }

.card-ratings {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.card-ratings:empty { display: none; }

.card-ratings div { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; }

.card-ratings .rating { font-size: 13px; }

/* Footer */

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  padding-block: 32px;
  font-size: 13px;
  color: var(--muted);
}

.site-footer p { margin: 0; }

.repo-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.repo-link .icon { display: block; width: 14px; height: 14px; }

.repo-link:hover { color: var(--accent); }

.repo-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }