:root {
  color-scheme: light;
  --cp-bg: #f7f4ef;
  --cp-bg-elevated: #fcfbf8;
  --cp-surface: #ffffff;
  --cp-surface-soft: #f5f5f5;
  --cp-border: #dedede;
  --cp-border-strong: #919191;
  --cp-text: #242424;
  --cp-text-muted: #5c5c5c;
  --cp-text-soft: #6f6f6f;
  --cp-accent: #b11f4b;
  --cp-accent-hover: #9a1a41;
  --cp-accent-soft: rgba(177, 31, 75, 0.08);
  --cp-accent-fg: #ffffff;
  --cp-success: #16a34a;
  --cp-danger: #dc2626;
  --cp-warning: #f59e0b;
  --cp-link: #0078d4;
  --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.12);
  --cp-overlay: rgba(255, 255, 255, 0.8);
  --cp-panel: rgba(255, 255, 255, 0.86);
  --cp-panel-strong: rgba(255, 255, 255, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.55);
  --cp-highlight: rgba(177, 31, 75, 0.12);
}
html[data-theme="dark"] {
  color-scheme: dark;
  --cp-bg: #3d3b3a;
  --cp-bg-elevated: #343231;
  --cp-surface: #292929;
  --cp-surface-soft: #2e2e2e;
  --cp-border: #474747;
  --cp-border-strong: #5f5f5f;
  --cp-text: #dedede;
  --cp-text-muted: #919191;
  --cp-text-soft: #b0b0b0;
  --cp-accent: #fd8ea1;
  --cp-accent-hover: #fb7b91;
  --cp-accent-soft: rgba(253, 142, 161, 0.14);
  --cp-accent-fg: #1a1a1a;
  --cp-success: #4ade80;
  --cp-danger: #f87171;
  --cp-warning: #fbbf24;
  --cp-link: #4da6ff;
  --cp-shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  --cp-overlay: rgba(41, 41, 41, 0.88);
  --cp-panel: rgba(41, 41, 41, 0.72);
  --cp-panel-strong: rgba(41, 41, 41, 0.96);
  --cp-sheen: rgba(255, 255, 255, 0.04);
  --cp-highlight: rgba(253, 142, 161, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cp-bg);
  color: var(--cp-text);
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

code, pre, .mono {
  font-family: Consolas, "Courier New", Courier, monospace;
}

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--cp-panel-strong);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--cp-border);
}
.site-header .inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  height: 60px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--cp-text) !important;
  white-space: nowrap;
}
.brand:hover { text-decoration: none; }
.brand .logo {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: var(--cp-accent);
  color: var(--cp-accent-fg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 800;
}
.site-nav {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  flex: 1;
}
.site-nav a {
  padding: 6px 12px;
  border-radius: 0.625rem;
  color: var(--cp-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
}
.site-nav a:hover { background: var(--cp-surface-soft); color: var(--cp-text); text-decoration: none; }
.site-nav a.active { background: var(--cp-accent-soft); color: var(--cp-accent); font-weight: 600; }

.theme-toggle {
  border: 1px solid var(--cp-border);
  background: var(--cp-surface);
  color: var(--cp-text);
  border-radius: 0.625rem;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.85rem;
}
.theme-toggle:hover { border-color: var(--cp-border-strong); }

/* ---------- Layout ---------- */
.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: 32px 24px 80px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
}
.page.no-toc { grid-template-columns: 1fr; }

.toc {
  position: sticky;
  top: 84px;
  align-self: start;
  font-size: 0.85rem;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
}
.toc h4 {
  margin: 0 0 8px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cp-text-soft);
}
.toc a {
  display: block;
  padding: 4px 10px;
  color: var(--cp-text-muted);
  border-left: 2px solid var(--cp-border);
}
.toc a:hover { color: var(--cp-accent); border-left-color: var(--cp-accent); text-decoration: none; }

@media (max-width: 900px) {
  .page { grid-template-columns: 1fr; }
  .toc { display: none; }
}

/* ---------- Typography ---------- */
.content h1 {
  font-size: 2.1rem;
  line-height: 1.2;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.content h2 {
  font-size: 1.45rem;
  margin: 44px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--cp-border);
  letter-spacing: -0.01em;
}
.content h3 { font-size: 1.15rem; margin: 28px 0 10px; }
.content p { margin: 0 0 14px; }
.lede {
  font-size: 1.1rem;
  color: var(--cp-text-muted);
  margin-bottom: 24px;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cp-accent);
  margin: 0 0 6px;
}

/* ---------- Cards & grids ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin: 16px 0;
}
.card {
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: 0 0 2px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.14);
}
.card h3, .card h4 { margin: 0 0 6px; font-size: 1.02rem; }
.card p { margin: 0; font-size: 0.9rem; color: var(--cp-text-muted); }
.card .card-kicker {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cp-accent);
  font-weight: 700;
  margin-bottom: 4px;
}
a.card { display: block; color: inherit; }
a.card:hover { text-decoration: none; border-color: var(--cp-accent); }

/* ---------- Hero (index) ---------- */
.hero {
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 32px;
  box-shadow: 0 0 2px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.14);
}
.hero h1 { font-size: 2.3rem; margin: 0 0 10px; letter-spacing: -0.02em; }
.hero p { max-width: 720px; }

/* ---------- Tables ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.9rem;
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  overflow: hidden;
}
th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--cp-border);
  vertical-align: top;
}
th {
  background: var(--cp-surface-soft);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cp-text-soft);
}
tr:last-child td { border-bottom: none; }

/* ---------- Badges / pills ---------- */
.pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--cp-accent-soft);
  color: var(--cp-accent);
  margin-right: 6px;
  white-space: nowrap;
}
.pill.ga { background: rgba(22, 163, 74, 0.12); color: var(--cp-success); }
.pill.preview { background: rgba(245, 158, 11, 0.14); color: var(--cp-warning); }
.pill.retire { background: rgba(220, 38, 38, 0.12); color: var(--cp-danger); }
.pill.source { background: var(--cp-surface-soft); color: var(--cp-text-soft); border: 1px solid var(--cp-border); }

/* ---------- Diagrams ---------- */
.diagram {
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  padding: 20px;
  margin: 18px 0;
  overflow-x: auto;
  box-shadow: 0 0 2px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.14);
}
.diagram .caption {
  font-size: 0.82rem;
  color: var(--cp-text-soft);
  margin-top: 10px;
  text-align: center;
}
.mermaid { display: flex; justify-content: center; }

/* ---------- Code ---------- */
pre {
  background: var(--cp-surface-soft);
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.5;
}
code {
  background: var(--cp-surface-soft);
  border: 1px solid var(--cp-border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.85em;
}
pre code { background: none; border: none; padding: 0; }

/* ---------- Callouts ---------- */
.callout {
  border: 1px solid var(--cp-border);
  border-left: 4px solid var(--cp-accent);
  background: var(--cp-accent-soft);
  border-radius: 0.625rem;
  padding: 14px 18px;
  margin: 16px 0;
  font-size: 0.92rem;
}
.callout strong:first-child { color: var(--cp-accent); }

/* ---------- Changelog ---------- */
.changelog-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 16px 0 24px;
}
.filter-btn {
  border: 1px solid var(--cp-border);
  background: var(--cp-surface);
  color: var(--cp-text-muted);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 0.82rem;
  cursor: pointer;
  font-family: inherit;
}
.filter-btn:hover { border-color: var(--cp-accent); color: var(--cp-accent); }
.filter-btn.active {
  background: var(--cp-accent);
  border-color: var(--cp-accent);
  color: var(--cp-accent-fg);
  font-weight: 600;
}
.changelog-entry {
  background: var(--cp-surface);
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  padding: 14px 18px;
  margin-bottom: 10px;
  box-shadow: 0 0 2px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.14);
}
.changelog-entry .meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
  font-size: 0.78rem;
  color: var(--cp-text-soft);
}
.changelog-entry h3 { margin: 0 0 4px; font-size: 1rem; }
.changelog-entry p { margin: 0; font-size: 0.88rem; color: var(--cp-text-muted); }
.changelog-month {
  margin: 28px 0 12px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cp-text-soft);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--cp-border);
  padding: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--cp-text-soft);
}

/* ---------- Misc ---------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }

ul.checklist { padding-left: 0; list-style: none; }
ul.checklist li { padding-left: 26px; position: relative; margin-bottom: 6px; }
ul.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--cp-success);
  font-weight: 700;
}

.updated-stamp { font-size: 0.78rem; color: var(--cp-text-soft); }

/* ---------- Service icons (official Azure architecture icons) ---------- */
.svc-icon {
  width: 42px;
  height: 42px;
  display: block;
  margin-bottom: 10px;
}
.svc-icon-row { display: flex; gap: 10px; margin-bottom: 10px; }
.svc-icon-row .svc-icon { margin-bottom: 0; }
.title-row {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 10px;
}
.title-row .page-icon { width: 64px; height: 64px; flex-shrink: 0; }
.title-row .eyebrow { margin: 0 0 4px; }
.title-row h1 { margin: 0; }
.h2-icon {
  width: 26px;
  height: 26px;
  vertical-align: -5px;
  margin-right: 8px;
}