/* ═══════════════════════════════════════
   ATLAS DOCUMENTATION — Styles
   Glass Cockpit dark theme
   ═══════════════════════════════════════ */

:root {
  --bg: #0C0E14;
  --surface: rgba(14,16,24, 0.55);
  --surface-solid: #14161E;
  --surface-2: rgba(28,31,42, 0.4);
  --border: rgba(255,255,255, 0.07);
  --border-solid: #272B38;
  --text: #E2E4EE;
  --text-dim: #7D8196;
  --blue: #2563EB;
  --blue-light: #3B82F6;
  --blue-glow: rgba(37, 99, 235, 0.22);
  --green: #34D399;
  --orange: #FB923C;
  --red: #EF4444;
  --yellow: #FACC15;
  --lavender: #A78BFA;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--blue-light); text-decoration: none; transition: color 0.15s; }
a:hover { color: #fff; }

/* ── Topbar ───────────────────────── */

.docs-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  background: var(--surface);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.docs-topbar img { height: 24px; filter: brightness(0) invert(1); }

.docs-topbar h1 {
  font-size: 16px;
  font-weight: 600;
}

.docs-topbar .docs-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--blue-light);
  background: var(--blue-glow);
  padding: 4px 10px;
  border-radius: 4px;
}

.docs-topbar-spacer { flex: 1; }

.docs-topbar-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.15s, color 0.15s;
}

.docs-topbar-link:hover { border-color: var(--blue); color: var(--blue-light); }

/* ── Layout ───────────────────────── */

.docs-layout {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* ── Sidebar ──────────────────────── */

.docs-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--surface-solid);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 53px;
  height: calc(100vh - 53px);
  overflow-y: auto;
  scrollbar-width: none;
}

.docs-sidebar::-webkit-scrollbar { display: none; }

.docs-sidebar .nav-section {
  padding: 0 16px;
  margin-bottom: 20px;
}

.docs-sidebar .nav-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  padding: 0 12px;
  margin-bottom: 8px;
}

.docs-sidebar .nav-link {
  display: block;
  padding: 7px 12px;
  font-size: 13px;
  color: var(--text-dim);
  border-radius: 6px;
  transition: background 0.12s, color 0.12s;
  line-height: 1.4;
}

.docs-sidebar .nav-link:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.docs-sidebar .nav-link.active { background: var(--blue-glow); color: var(--blue-light); }

.docs-sidebar .nav-link.sub {
  padding-left: 24px;
  font-size: 12px;
}

/* ── Content ──────────────────────── */

.docs-content {
  flex: 1;
  min-width: 0;
  padding: 32px 48px 80px;
  max-width: 860px;
}

.docs-content h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.docs-content .page-subtitle {
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 32px;
  line-height: 1.5;
}

.docs-content h2 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 48px;
  margin-bottom: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: #fff;
}

.docs-content h2:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.docs-content h3 {
  font-size: 15px;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 8px;
  color: var(--text);
}

.docs-content p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 14px;
}

.docs-content ul, .docs-content ol {
  margin: 0 0 16px 20px;
  font-size: 14px;
  line-height: 1.7;
}

.docs-content li {
  margin-bottom: 6px;
  color: var(--text);
}

.docs-content strong { color: #fff; font-weight: 600; }

/* ── Info Callouts ────────────────── */

.callout {
  padding: 14px 18px;
  border-radius: 8px;
  border-left: 3px solid;
  margin: 16px 0;
  font-size: 13px;
  line-height: 1.6;
}

.callout-info {
  background: rgba(37, 99, 235, 0.08);
  border-color: var(--blue);
  color: var(--text);
}

.callout-warn {
  background: rgba(251, 146, 60, 0.08);
  border-color: var(--orange);
  color: var(--text);
}

.callout-tip {
  background: rgba(52, 211, 153, 0.08);
  border-color: var(--green);
  color: var(--text);
}

.callout-label {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
  display: block;
}

.callout-info .callout-label { color: var(--blue-light); }
.callout-warn .callout-label { color: var(--orange); }
.callout-tip .callout-label { color: var(--green); }

/* ── Code / Mono ──────────────────── */

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--blue-light);
}

/* ── Tables ───────────────────────── */

.docs-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin: 16px 0;
  font-size: 13px;
}

.docs-table th {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.docs-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}

.docs-table tr:last-child td { border-bottom: none; }

/* ── Tier Badge ───────────────────── */

.tier-label {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 4px;
}

.tier-label.pro { background: rgba(167,139,250,0.12); color: var(--lavender); }
.tier-label.std { background: rgba(52,211,153,0.12); color: var(--green); }

/* ── Index Page ───────────────────── */

.docs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.docs-card {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  transition: border-color 0.15s, transform 0.15s;
}

.docs-card:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.docs-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 8px;
}

.docs-card p {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
  margin: 0;
}

.docs-card .card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.card-icon svg { width: 20px; height: 20px; }

.card-icon.blue { background: var(--blue-glow); color: var(--blue-light); }
.card-icon.green { background: rgba(52,211,153,0.12); color: var(--green); }
.card-icon.lavender { background: rgba(167,139,250,0.12); color: var(--lavender); }
.card-icon.orange { background: rgba(251,146,60,0.12); color: var(--orange); }

/* ── Responsive ───────────────────── */

@media (max-width: 900px) {
  .docs-sidebar { display: none; }
  .docs-content { padding: 24px 20px 60px; }
  .docs-grid { grid-template-columns: 1fr; }
}