/* ============================================
   NMT Platform Docs — Custom Theme
   Clean, modern fintech aesthetic
   ============================================ */

/* --- Fonts --------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- CSS Variables ------------------------- */
:root {
  --nmt-bg: #ffffff;
  --nmt-surface: #f8f9fb;
  --nmt-border: #e2e6ed;
  --nmt-text: #1a1e2c;
  --nmt-text-secondary: #5a6178;
  --nmt-accent: #2563eb;
  --nmt-accent-light: #eff4ff;
  --nmt-accent-dark: #1d4ed8;
  --nmt-green: #059669;
  --nmt-green-light: #ecfdf5;
  --nmt-amber: #d97706;
  --nmt-amber-light: #fffbeb;
  --nmt-red: #dc2626;
  --nmt-red-light: #fef2f2;
  --nmt-purple: #7c3aed;
  --nmt-purple-light: #f5f3ff;
  --nmt-code-bg: #0f1219;
  --nmt-sidebar-bg: #f9fafb;
  --nmt-sidebar-active: #2563eb;
  --nmt-radius: 10px;
  --nmt-radius-sm: 6px;
  --nmt-shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
  --nmt-shadow: 0 2px 8px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.08);
  --nmt-shadow-lg: 0 8px 24px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.06);
}

/* --- Base ---------------------------------- */
.book {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif !important;
}

.book .book-body .page-wrapper .page-inner {
  max-width: 860px !important;
  padding: 32px 48px 80px !important;
}

.book .book-body .page-wrapper .page-inner section.normal {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--nmt-text);
}

/* --- Typography ---------------------------- */
.book .book-body .page-wrapper .page-inner section.normal h1 {
  font-weight: 800;
  font-size: 2.1em;
  letter-spacing: -0.03em;
  margin-top: 0;
  margin-bottom: 12px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--nmt-border);
  color: var(--nmt-text);
}

.book .book-body .page-wrapper .page-inner section.normal h2 {
  font-weight: 700;
  font-size: 1.5em;
  letter-spacing: -0.02em;
  margin-top: 48px;
  margin-bottom: 16px;
  color: var(--nmt-text);
}

.book .book-body .page-wrapper .page-inner section.normal h3 {
  font-weight: 600;
  font-size: 1.2em;
  letter-spacing: -0.01em;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--nmt-text);
}

.book .book-body .page-wrapper .page-inner section.normal p {
  margin-bottom: 16px;
}

.book .book-body .page-wrapper .page-inner section.normal strong {
  font-weight: 600;
  color: var(--nmt-text);
}

/* --- Links --------------------------------- */
.book .book-body .page-wrapper .page-inner section.normal a {
  color: var(--nmt-accent);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease;
}

.book .book-body .page-wrapper .page-inner section.normal a:hover {
  border-bottom-color: var(--nmt-accent);
}

/* --- Code ---------------------------------- */
.book .book-body .page-wrapper .page-inner section.normal code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
  font-size: 0.88em;
  background: var(--nmt-surface);
  border: 1px solid var(--nmt-border);
  border-radius: var(--nmt-radius-sm);
  padding: 2px 7px;
  color: var(--nmt-accent-dark);
  font-weight: 500;
}

.book .book-body .page-wrapper .page-inner section.normal pre {
  background: var(--nmt-code-bg) !important;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--nmt-radius) !important;
  padding: 20px 24px !important;
  margin: 20px 0 24px !important;
  overflow-x: auto;
  box-shadow: var(--nmt-shadow);
}

.book .book-body .page-wrapper .page-inner section.normal pre code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
  font-size: 13.5px !important;
  line-height: 1.65 !important;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  color: #e2e8f0 !important;
  font-weight: 400;
}

/* --- Tables -------------------------------- */
.book .book-body .page-wrapper .page-inner section.normal table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--nmt-border);
  border-radius: var(--nmt-radius);
  overflow: hidden;
  margin: 20px 0 28px;
  font-size: 14.5px;
  box-shadow: var(--nmt-shadow-sm);
}

.book .book-body .page-wrapper .page-inner section.normal table th {
  background: var(--nmt-surface);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--nmt-text-secondary);
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid var(--nmt-border);
}

.book .book-body .page-wrapper .page-inner section.normal table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--nmt-border);
  color: var(--nmt-text);
  vertical-align: top;
}

.book .book-body .page-wrapper .page-inner section.normal table tr:last-child td {
  border-bottom: none;
}

.book .book-body .page-wrapper .page-inner section.normal table tr:hover td {
  background: var(--nmt-accent-light);
}

/* --- Blockquotes (callout style) ----------- */
.book .book-body .page-wrapper .page-inner section.normal blockquote {
  background: var(--nmt-accent-light);
  border-left: 4px solid var(--nmt-accent);
  border-radius: 0 var(--nmt-radius-sm) var(--nmt-radius-sm) 0;
  padding: 16px 20px;
  margin: 20px 0 24px;
  color: var(--nmt-text);
  font-size: 14.5px;
}

.book .book-body .page-wrapper .page-inner section.normal blockquote p {
  margin: 0;
}

/* --- Lists --------------------------------- */
.book .book-body .page-wrapper .page-inner section.normal ul,
.book .book-body .page-wrapper .page-inner section.normal ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.book .book-body .page-wrapper .page-inner section.normal li {
  margin-bottom: 6px;
}

.book .book-body .page-wrapper .page-inner section.normal li > p {
  margin-bottom: 4px;
}

/* --- Horizontal Rules ---------------------- */
.book .book-body .page-wrapper .page-inner section.normal hr {
  border: none;
  height: 1px;
  background: var(--nmt-border);
  margin: 40px 0;
}

/* --- Sidebar ------------------------------- */
.book .book-summary {
  background: var(--nmt-sidebar-bg) !important;
  border-right: 1px solid var(--nmt-border) !important;
  font-family: 'Inter', -apple-system, sans-serif !important;
  width: 280px !important;
}

.book .book-summary ul.summary {
  padding: 16px 0 !important;
}

.book .book-summary ul.summary li.header {
  font-size: 10.5px !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.08em !important;
  color: var(--nmt-text-secondary) !important;
  padding: 20px 20px 6px !important;
  margin: 0 !important;
}

.book .book-summary ul.summary li a,
.book .book-summary ul.summary li span {
  font-size: 14px !important;
  color: var(--nmt-text) !important;
  padding: 7px 20px !important;
  display: block;
  border-right: 3px solid transparent;
  transition: all 0.15s ease;
  font-weight: 400;
}

.book .book-summary ul.summary li a:hover {
  color: var(--nmt-accent) !important;
  background: var(--nmt-accent-light) !important;
  text-decoration: none !important;
}

.book .book-summary ul.summary li.active > a {
  color: var(--nmt-accent) !important;
  background: var(--nmt-accent-light) !important;
  border-right-color: var(--nmt-accent) !important;
  font-weight: 600 !important;
}

.book .book-summary ul.summary li ul {
  padding-left: 12px !important;
}

/* --- Header / Topbar ----------------------- */
.book .book-header {
  background: var(--nmt-bg) !important;
  border-bottom: 1px solid var(--nmt-border) !important;
  box-shadow: none !important;
}

.book .book-header h1 {
  font-family: 'Inter', sans-serif !important;
}

/* --- Navigation arrows --------------------- */
.book .book-body .page-wrapper .page-inner .navigation {
  color: var(--nmt-accent) !important;
}

/* --- Custom: Hero Cards -------------------- */
/* Used on the landing page via HTML blocks */
.hero-section {
  text-align: center;
  padding: 48px 0 40px;
}

.hero-section h1 {
  font-size: 2.8em !important;
  font-weight: 800 !important;
  letter-spacing: -0.04em !important;
  border: none !important;
  padding-bottom: 0 !important;
  margin-bottom: 8px !important;
  background: linear-gradient(135deg, #1a1e2c 0%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15em;
  color: var(--nmt-text-secondary);
  margin-bottom: 32px;
  font-weight: 400;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--nmt-surface);
  border: 1px solid var(--nmt-border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--nmt-text-secondary);
}

/* --- Section Cards Grid -------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin: 28px 0 36px;
}

.card {
  background: var(--nmt-bg);
  border: 1px solid var(--nmt-border);
  border-radius: var(--nmt-radius);
  padding: 24px;
  transition: all 0.2s ease;
  text-decoration: none !important;
  display: block;
  box-shadow: var(--nmt-shadow-sm);
}

.card:hover {
  border-color: var(--nmt-accent);
  box-shadow: var(--nmt-shadow);
  transform: translateY(-2px);
}

.card-icon {
  font-size: 28px;
  margin-bottom: 12px;
  display: block;
}

.card-title {
  font-weight: 700;
  font-size: 16px;
  color: var(--nmt-text);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.card-desc {
  font-size: 13.5px;
  color: var(--nmt-text-secondary);
  line-height: 1.55;
}

/* --- Status Badges (for tables) ------------ */
.status-active {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--nmt-green-light);
  color: var(--nmt-green);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}

.status-disabled {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--nmt-surface);
  color: var(--nmt-text-secondary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}

.status-primary {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--nmt-accent-light);
  color: var(--nmt-accent);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}

/* --- Callout Boxes (manual via HTML) ------- */
.callout {
  border-radius: var(--nmt-radius);
  padding: 16px 20px;
  margin: 20px 0 24px;
  font-size: 14.5px;
  line-height: 1.65;
  border: 1px solid;
}

.callout-title {
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}

.callout-info {
  background: var(--nmt-accent-light);
  border-color: #bfdbfe;
  color: var(--nmt-text);
}
.callout-info .callout-title { color: var(--nmt-accent); }

.callout-tip {
  background: var(--nmt-green-light);
  border-color: #a7f3d0;
  color: var(--nmt-text);
}
.callout-tip .callout-title { color: var(--nmt-green); }

.callout-warning {
  background: var(--nmt-amber-light);
  border-color: #fde68a;
  color: var(--nmt-text);
}
.callout-warning .callout-title { color: var(--nmt-amber); }

.callout-danger {
  background: var(--nmt-red-light);
  border-color: #fca5a5;
  color: var(--nmt-text);
}
.callout-danger .callout-title { color: var(--nmt-red); }

/* --- Quick Stats Row ----------------------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin: 24px 0 32px;
}

.stat-card {
  background: var(--nmt-surface);
  border: 1px solid var(--nmt-border);
  border-radius: var(--nmt-radius);
  padding: 20px;
  text-align: center;
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--nmt-text);
  letter-spacing: -0.03em;
  margin-bottom: 2px;
}

.stat-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nmt-text-secondary);
}

/* --- Divider with label -------------------- */
.section-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 48px 0 24px;
}

.section-divider::before,
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--nmt-border);
}

.section-divider span {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--nmt-text-secondary);
  white-space: nowrap;
}

/* --- Scrollbar ----------------------------- */
.book .book-body::-webkit-scrollbar {
  width: 6px;
}

.book .book-body::-webkit-scrollbar-track {
  background: transparent;
}

.book .book-body::-webkit-scrollbar-thumb {
  background: var(--nmt-border);
  border-radius: 3px;
}

.book .book-body::-webkit-scrollbar-thumb:hover {
  background: var(--nmt-text-secondary);
}

/* --- Print improvements -------------------- */
@media print {
  .book .book-summary { display: none !important; }
  .book .book-body { left: 0 !important; }
  pre { break-inside: avoid; }
}

/* --- Mobile -------------------------------- */
@media (max-width: 768px) {
  .book .book-body .page-wrapper .page-inner {
    padding: 20px 20px 60px !important;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-section h1 {
    font-size: 2em !important;
  }
}