/* CyberFortX IAM Accelerator — documentation theme
   Brand palette sampled from frontend/tailwind.config.ts (brand.500/700, logo gradient) */

:root {
  --brand-50: #fdf3f4;
  --brand-100: #fbe4e6;
  --brand-200: #f5c7cb;
  --brand-300: #e89aa2;
  --brand-400: #d8636f;
  --brand-500: #bb2e3d;
  --brand-600: #9c1f2c;
  --brand-700: #7d141d;
  --brand-800: #601018;
  --brand-900: #450b12;

  --bg: #ffffff;
  --bg-alt: #f7f6f7;
  --bg-inset: #f3f1f2;
  --border: #e6e1e2;
  --text: #211a1b;
  --text-muted: #6b5f61;
  --link: var(--brand-600);
  --sidebar-width: 260px;
  --topbar-height: 60px;
  --code-bg: #2b2023;
  --code-text: #f4e9ea;
  --shadow: 0 1px 2px rgba(69, 11, 18, 0.06), 0 4px 16px rgba(69, 11, 18, 0.06);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191314;
    --bg-alt: #1f1718;
    --bg-inset: #241b1c;
    --border: #38292b;
    --text: #f2e9ea;
    --text-muted: #b79ea1;
    --link: var(--brand-300);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 4px 16px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  font-size: 16px;
}

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

/* ---------- Top bar ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
}
.brand:hover { text-decoration: none; }

.brand-logo { height: 28px; width: auto; display: block; }

.brand-title {
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand-sub {
  color: var(--brand-600);
  font-weight: 600;
}

.topbar-links {
  margin-left: auto;
  display: flex;
  gap: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---------- Layout ---------- */

.layout {
  display: flex;
  align-items: flex-start;
  max-width: 1280px;
  margin: 0 auto;
}

.sidebar {
  position: sticky;
  top: var(--topbar-height);
  width: var(--sidebar-width);
  flex: 0 0 var(--sidebar-width);
  height: calc(100vh - var(--topbar-height));
  overflow-y: auto;
  padding: 28px 16px 40px;
  border-right: 1px solid var(--border);
}

.nav-section { margin-bottom: 24px; }

.nav-heading {
  margin: 0 0 8px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.sidebar ul { list-style: none; margin: 0; padding: 0; }

.sidebar a {
  display: block;
  padding: 7px 12px;
  border-radius: 6px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
}

.sidebar a:hover {
  background: var(--bg-alt);
  text-decoration: none;
}

.sidebar a.active {
  background: var(--brand-50);
  color: var(--brand-700);
  font-weight: 700;
}

@media (prefers-color-scheme: dark) {
  .sidebar a.active {
    background: rgba(187, 46, 61, 0.18);
    color: var(--brand-300);
  }
}

.content {
  flex: 1 1 auto;
  min-width: 0;
  padding: 40px 48px 80px;
}

.prose { max-width: 780px; }

.page-footer {
  max-width: 780px;
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ---------- Typography ---------- */

.prose h1 {
  font-size: 2rem;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.prose h2 {
  font-size: 1.4rem;
  margin: 40px 0 12px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  letter-spacing: -0.01em;
}
.prose h2:first-of-type { border-top: none; padding-top: 0; }

.prose h3 {
  font-size: 1.12rem;
  margin: 28px 0 10px;
}

.prose h4 {
  font-size: 0.98rem;
  margin: 20px 0 8px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-size: 0.78rem;
}

.prose p, .prose ul, .prose ol, .prose table { margin: 0 0 16px; }
.prose li { margin-bottom: 4px; }

.prose .lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ---------- Tables ---------- */

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  border-radius: 8px;
  overflow: hidden;
}

.prose th, .prose td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.prose th {
  background: var(--brand-700);
  color: #fff;
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.prose tr:last-child td { border-bottom: none; }
.prose tbody tr:nth-child(even) { background: var(--bg-alt); }

/* ---------- Code ---------- */

.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--bg-inset);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.88em;
}

.prose pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 16px 18px;
  border-radius: 10px;
  overflow-x: auto;
  box-shadow: var(--shadow);
  margin: 0 0 20px;
}

.prose pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 0.85rem;
}

/* ---------- Callouts ---------- */

.prose blockquote {
  margin: 0 0 20px;
  padding: 12px 18px;
  border-left: 4px solid var(--brand-500);
  background: var(--brand-50);
  border-radius: 0 8px 8px 0;
  color: var(--text);
}
.prose blockquote p:last-child { margin-bottom: 0; }

@media (prefers-color-scheme: dark) {
  .prose blockquote { background: rgba(187, 46, 61, 0.12); }
}

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

/* ---------- Home hero ---------- */

.hero {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 8px;
}

.hero img { height: 56px; width: auto; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 24px 0 32px;
}

.card {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-alt);
  color: var(--text);
}
.card:hover { border-color: var(--brand-400); text-decoration: none; }
.card h3 { margin: 0 0 6px; font-size: 1rem; color: var(--brand-700); }
.card p { margin: 0; font-size: 0.88rem; color: var(--text-muted); }

@media (prefers-color-scheme: dark) {
  .card h3 { color: var(--brand-300); }
}

/* ---------- Badges ---------- */

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.badge-admin { background: var(--brand-100); color: var(--brand-800); }
.badge-assessor { background: #dbeafe; color: #1e3a8a; }
.badge-reviewer { background: #fef3c7; color: #78350f; }
.badge-viewer { background: #dcfce7; color: #14532d; }

@media (prefers-color-scheme: dark) {
  .badge-admin { background: rgba(187, 46, 61, 0.25); color: var(--brand-200); }
  .badge-assessor { background: rgba(59, 130, 246, 0.2); color: #bfdbfe; }
  .badge-reviewer { background: rgba(217, 119, 6, 0.2); color: #fde68a; }
  .badge-viewer { background: rgba(22, 163, 74, 0.2); color: #bbf7d0; }
}

/* ---------- Responsive nav ---------- */

.nav-toggle, .nav-burger, .nav-scrim { display: none; }

@media (max-width: 900px) {
  .nav-burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 32px;
    height: 32px;
    cursor: pointer;
  }
  .nav-burger span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
  }

  .sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    height: calc(100vh - var(--topbar-height));
    background: var(--bg);
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 25;
  }

  .nav-scrim {
    display: none;
    position: fixed;
    inset: var(--topbar-height) 0 0 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 20;
  }

  .nav-toggle:checked ~ .layout .sidebar { transform: translateX(0); }
  .nav-toggle:checked ~ .layout .nav-scrim { display: block; }

  .content { padding: 28px 20px 60px; }
}