:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --border: #e2ddd3;
  --text: #23201b;
  --text-muted: #6b6355;
  --accent: #a0522d;
  --accent-ink: #ffffff;
  --badge-bg: #f0ece3;
  --badge-ink: #6b6355;
  --warn-bg: #fdf2e3;
  --warn-border: #e8c88a;
  --warn-ink: #6b4c14;
  --focus: #a0522d;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(35, 32, 27, 0.06), 0 1px 8px rgba(35, 32, 27, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17150f;
    --surface: #211e18;
    --border: #3a3527;
    --text: #f1ede3;
    --text-muted: #a89f8c;
    --accent: #d98a5f;
    --accent-ink: #17150f;
    --badge-bg: #2c2818;
    --badge-ink: #cfc4a8;
    --warn-bg: #2c2410;
    --warn-border: #6b4c14;
    --warn-ink: #e8c88a;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 8px rgba(0, 0, 0, 0.25);
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: var(--accent);
}

img {
  max-width: 100%;
}

.site-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header .brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.site-header nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-header nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.site-header nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 600;
}

.site-header form.header-search {
  margin-left: auto;
  display: flex;
  gap: 0.4rem;
  flex: 1 1 220px;
  max-width: 320px;
}

main {
  max-width: 840px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

h1 {
  font-size: 1.6rem;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.5rem;
}

.subtitle {
  color: var(--text-muted);
  margin: 0 0 1.5rem;
}

input[type="search"],
input[type="text"],
input[type="number"],
select {
  font: inherit;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  width: 100%;
}

input:focus,
select:focus,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 1px;
}

label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  border-radius: 8px;
  padding: 0.55rem 1rem;
}

button.secondary {
  background: transparent;
  color: var(--accent);
}

button.ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Home "doors" */
.doors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.door {
  display: block;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
}

.door h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: var(--text);
}

.door p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.door.disabled {
  opacity: 0.6;
  cursor: default;
}

.door .eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--badge-bg);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  margin-bottom: 0.5rem;
}

/* Lists of results / components */
.result-list,
.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.result-card,
.card {
  display: block;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  color: inherit;
}

.result-card:hover,
.card:hover {
  border-color: var(--accent);
}

.result-card .name,
.card .name {
  font-weight: 600;
  color: var(--text);
}

.result-card .snippet,
.card .snippet {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.2rem;
}

.match-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--badge-ink);
  margin-right: 0.35rem;
}

.badge.rule {
  background: var(--warn-bg);
  color: var(--warn-ink);
}

.empty-state {
  color: var(--text-muted);
  padding: 1.5rem 0;
}

.notice {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn-ink);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  margin: 1rem 0;
}

/* Component detail */
.component-header {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.summary-lead {
  font-size: 1.1rem;
  color: var(--text);
  margin: 0.5rem 0 1rem;
}

.field-block {
  margin-bottom: 1.25rem;
}

.field-block h2 {
  margin-top: 0;
}

.field-block p {
  margin: 0;
  white-space: pre-line;
}

.alias-group {
  margin-bottom: 0.75rem;
}

.alias-group .dialect-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}

.alias-chip {
  display: inline-block;
  background: var(--badge-bg);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  margin: 0.2rem 0.3rem 0 0;
  font-size: 0.88rem;
}

.link-list {
  list-style: none;
  padding: 0;
  margin: 0.3rem 0 1rem;
}

.link-list li {
  padding: 0.15rem 0;
}

.link-type-label {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Calculator */
fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 0 0 1.25rem;
}

legend {
  padding: 0 0.4rem;
  font-weight: 600;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.segment-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 0.5rem;
  align-items: end;
  margin-bottom: 0.5rem;
}

.segment-row .remove-row {
  border-color: var(--border);
  background: transparent;
  color: var(--text-muted);
}

.tier-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.tier-tabs button {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}

.tier-tabs button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.results-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-top: 1rem;
}

.results-panel h3 {
  margin-top: 0;
}

.stat-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 0.75rem 0;
}

.stat {
  min-width: 100px;
}

.stat .value {
  font-size: 1.4rem;
  font-weight: 700;
}

.stat .label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.options-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  margin-top: 0.5rem;
}

.options-table th,
.options-table td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.section-block {
  border-left: 3px solid var(--accent);
  padding-left: 0.9rem;
  margin-bottom: 1.5rem;
}

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

.helper-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.25rem 0 0.75rem;
}

footer.site-footer {
  max-width: 840px;
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
  color: var(--text-muted);
  font-size: 0.82rem;
}