/* ============================================================
   Compliance & Regulatory Hub — Enterprise Documentation CSS
   MadCap Flare-inspired static documentation theme
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:    #1a3a5c;
  --accent:     #0d6efd;
  --accent-lt:  #e8f0fe;
  --sidebar-bg: #f4f6f9;
  --border:     #d0d7e2;
  --text:       #1c2533;
  --muted:      #5a6a7e;
  --warn-bg:    #fff8e1;
  --warn-bd:    #f0b429;
  --note-bg:    #e8f4fd;
  --note-bd:    #0d6efd;
  --imp-bg:     #fdecea;
  --imp-bd:     #d32f2f;
  --tip-bg:     #e8f5e9;
  --tip-bd:     #2e7d32;
  --font:       'Segoe UI', Arial, sans-serif;
  --mono:       'Consolas', 'Courier New', monospace;
}

/* ── Dark Theme ── */
[data-theme="dark"] {
  --primary:    #90caf9;
  --accent:     #58a6ff;
  --accent-lt:  rgba(88,166,255,0.12);
  --sidebar-bg: #161b22;
  --border:     #30363d;
  --text:       #e6edf3;
  --muted:      #8b949e;
  --warn-bg:    rgba(240,180,41,0.12);
  --warn-bd:    #f0b429;
  --note-bg:    rgba(88,166,255,0.1);
  --note-bd:    #58a6ff;
  --imp-bg:     rgba(211,47,47,0.12);
  --imp-bd:     #f85149;
  --tip-bg:     rgba(46,125,50,0.12);
  --tip-bd:     #3fb950;
  --body-bg:    #0d1117;
  --table-even: #161b22;
  --table-hover: rgba(88,166,255,0.08);
  --code-inline-bg: #2d333b;
}

:root {
  --body-bg: #fff;
  --table-even: #f7f9fc;
  --table-hover: var(--accent-lt);
  --code-inline-bg: #f0f2f5;
}

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--body-bg);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

/* ── Top Banner ── */
.top-banner {
  background: var(--primary);
  color: #fff;
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
}
.top-banner .brand { font-size: 1.1rem; font-weight: 700; letter-spacing: .3px; }
.top-banner .brand span { color: #90caf9; }
.top-banner .badge {
  font-size: .7rem;
  background: #0d6efd;
  border-radius: 3px;
  padding: 2px 8px;
  letter-spacing: .5px;
  text-transform: uppercase;
}

/* ── Layout ── */
.layout { display: flex; flex: 1; }

/* ── Sidebar ── */
nav.sidebar {
  width: 256px;
  min-width: 256px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 20px 0 40px;
  position: sticky;
  top: 52px;
  height: calc(100vh - 52px);
  overflow-y: auto;
}
nav.sidebar .nav-section {
  font-size: .68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  padding: 18px 20px 6px;
}
nav.sidebar a {
  display: block;
  padding: 7px 20px 7px 28px;
  font-size: .88rem;
  color: var(--text);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background .15s, border-color .15s;
}
nav.sidebar a:hover { background: var(--accent-lt); border-left-color: var(--accent); }
nav.sidebar a.active { background: var(--accent-lt); border-left-color: var(--accent); color: var(--accent); font-weight: 600; }

/* ── Main Content ── */
.content {
  flex: 1;
  padding: 36px 48px 60px;
  max-width: 960px;
}

/* ── Page Header ── */
.page-header {
  padding-bottom: 18px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 28px;
}
.page-header .breadcrumb {
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: 8px;
}
.page-header .breadcrumb a { color: var(--accent); text-decoration: none; }
.page-header h1 { font-size: 1.75rem; color: var(--primary); font-weight: 700; }
.page-header .subtitle { font-size: .95rem; color: var(--muted); margin-top: 6px; }

/* ── Headings ── */
h2 { font-size: 1.2rem; color: var(--primary); margin: 32px 0 10px; padding-bottom: 4px; border-bottom: 1px solid var(--border); }
h3 { font-size: 1rem; color: var(--primary); margin: 22px 0 8px; }

p { line-height: 1.7; margin-bottom: 12px; }
ul, ol { margin: 8px 0 14px 22px; line-height: 1.75; }
li { margin-bottom: 3px; }
code { font-family: var(--mono); font-size: .84rem; background: var(--code-inline-bg); padding: 1px 5px; border-radius: 3px; }
pre { background: #1e2a3a; color: #e2e8f0; padding: 16px; border-radius: 6px; overflow-x: auto; font-size: .83rem; margin: 14px 0; }

/* ── Tables ── */
.tbl-wrap { overflow-x: auto; margin: 16px 0 24px; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
thead tr { background: var(--primary); color: #fff; }
thead th { padding: 10px 14px; text-align: left; font-weight: 600; white-space: nowrap; }
tbody tr:nth-child(even) { background: var(--table-even); }
tbody tr:hover { background: var(--table-hover); }
tbody td { padding: 9px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }

/* ── Admonitions ── */
.admonition {
  border-left: 4px solid;
  border-radius: 4px;
  padding: 12px 16px;
  margin: 18px 0;
  font-size: .9rem;
}
.admonition .adm-title { font-weight: 700; font-size: .82rem; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 4px; }
.note  { background: var(--note-bg); border-color: var(--note-bd); }
.note  .adm-title { color: var(--accent); }
.warn  { background: var(--warn-bg); border-color: var(--warn-bd); }
.warn  .adm-title { color: #b45309; }
.imp   { background: var(--imp-bg);  border-color: var(--imp-bd); }
.imp   .adm-title { color: #d32f2f; }
.tip   { background: var(--tip-bg);  border-color: var(--tip-bd); }
.tip   .adm-title { color: #2e7d32; }

/* ── Info Cards (landing page) ── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; margin: 24px 0; }
.card {
  background: var(--sidebar-bg);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 6px;
  padding: 18px 16px;
  text-decoration: none;
  color: var(--text);
  transition: box-shadow .2s, border-top-color .2s;
}
.card:hover { box-shadow: 0 4px 14px rgba(0,0,0,.1); border-top-color: var(--primary); }
.card .card-icon { font-size: 1.4rem; margin-bottom: 8px; }
.card .card-title { font-weight: 700; font-size: .95rem; color: var(--primary); margin-bottom: 4px; }
.card .card-desc { font-size: .82rem; color: var(--muted); line-height: 1.5; }

/* ── Status Badges ── */
.tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: .4px;
}
.tag-req   { background: #d32f2f; color: #fff; }
.tag-opt   { background: #0d6efd; color: #fff; }
.tag-rec   { background: #2e7d32; color: #fff; }
.tag-dep   { background: #f0b429; color: #1c2533; }
.tag-fed   { background: #1a3a5c; color: #fff; }
.tag-state { background: #5a6a7e; color: #fff; }

/* ── Theme Toggle ── */
.theme-toggle {
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  cursor: pointer;
  border-radius: 6px;
  padding: 3px 10px;
  font-size: 14px;
  line-height: 1.5;
  transition: background 0.2s;
  margin-left: auto;
}
.theme-toggle:hover { background: rgba(255,255,255,0.15); }

/* ── Footer ── */
footer {
  background: var(--primary);
  color: #90caf9;
  font-size: .78rem;
  padding: 14px 24px;
  text-align: center;
  letter-spacing: .3px;
}

/* ── Responsive ── */
@media (max-width: 800px) {
  .layout { flex-direction: column; }
  nav.sidebar { width: 100%; min-width: unset; position: static; height: auto; }
  .content { padding: 20px 18px 40px; }
}