:root {
  color-scheme: light;
  --background: #f6f8fb;
  --surface: #ffffff;
  --surface-muted: #eef3f8;
  --text: #132238;
  --text-muted: #4e6278;
  --border: #d6e0ea;
  --accent: #0f5cc0;
  --accent-soft: #e8f1ff;
  --success: #0f766e;
  --warning: #b45309;
  --shadow: 0 12px 30px rgba(19, 34, 56, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background: var(--background);
  color: var(--text);
  line-height: 1.6;
}

body.route-oauth {
  background: #f9fafb;
}

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

code {
  font-family:
    "SFMono-Regular", ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;
  background: var(--surface-muted);
  border-radius: 0.35rem;
  padding: 0.1rem 0.35rem;
}

.site-shell {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  padding: 1.25rem 0;
}

.site-header .site-shell,
.site-footer .site-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.brand span {
  color: var(--accent);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 600;
}

main {
  padding: 1.5rem 0 4rem;
}

.hero,
.panel,
.card,
.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.hero {
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.hero h1,
.page-heading h1,
.panel h2,
.card h2,
.card h3 {
  margin-top: 0;
}

.hero p,
.panel p,
.card p,
.callout p,
.page-heading p,
.site-footer p,
li,
small {
  color: var(--text-muted);
  display: block;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
}

.page-heading {
  margin-bottom: 1.5rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

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

.grid {
  display: grid;
  gap: 1rem;
}

.grid.two-up {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid.three-up {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card,
.panel,
.callout {
  padding: 1.5rem;
}

.panel ul,
.card ul {
  padding-left: 1.25rem;
}

.card .meta,
.panel .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 600;
}

.badge.success {
  background: #e7f8f5;
  color: var(--success);
}

.badge.warning {
  background: #fff3e0;
  color: var(--warning);
}

.definition-list {
  display: grid;
  grid-template-columns: minmax(160px, 220px) 1fr;
  gap: 0.75rem 1rem;
}

.definition-list.compact {
  max-width: 34rem;
  margin: 1.5rem 0;
}

.definition-list dt {
  font-weight: 700;
}

.definition-list dd {
  margin: 0;
  color: var(--text-muted);
}

.callout {
  background: var(--accent-soft);
  border-color: #c6dafc;
}

.table-like {
  display: grid;
  gap: 0.75rem;
}

.table-like .row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: 0.85rem;
  background: var(--surface-muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0 3rem;
}

.route-oauth main {
  padding-top: 3rem;
}

.route-oauth .panel {
  max-width: 42rem;
  margin: 0 auto;
}

@media (max-width: 700px) {
  .site-header .site-shell,
  .site-footer .site-shell,
  .definition-list,
  .table-like .row {
    grid-template-columns: 1fr;
    display: grid;
  }
}