/* ============================================================
   MATRIX ADVANCED SOLUTIONS — Unified Dosing Guide Stylesheet
   Clinical-Luxury Biotech Design System
   ============================================================ */

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

:root {
  --bg-dark: #0A0E17;
  --card-surface: #111827;
  --card-border: #1E293B;
  --accent-teal: #06B6D4;
  --accent-gold: #D4A106;
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --white: #FFFFFF;
  --red-alert: #EF4444;
  --green-confirm: #22C55E;
  --amber-caution: #F59E0B;
  --row-alt: #0F172A;
  /* Category accents */
  --cat-repair: #10B981;
  --cat-gh: #06B6D4;
  --cat-metabolic: #8B5CF6;
  --cat-cognition: #3B82F6;
  --cat-longevity: #D4A106;
  --cat-sleep: #6366F1;
  --cat-immune: #F43F5E;
  --cat-skin: #EC4899;
  --cat-tanning: #F97316;
  --cat-hormone: #14B8A6;
  --cat-cardio: #EF4444;
  --cat-hair: #F59E0B;
}

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

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.guide-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 24px 60px;
}

/* ---- Logo Bar ---- */
.logo-bar {
  text-align: center;
  padding: 20px 0 32px;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 40px;
}
.logo-bar .logo-text {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-teal);
}
.logo-bar .logo-sub {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ---- Hero Section ---- */
.hero {
  text-align: center;
  padding: 48px 0 40px;
}
.hero .category-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 36px;
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 12px;
}
.hero .subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}
.hero .image-placeholder {
  margin: 32px auto 0;
  width: 200px;
  height: 120px;
  border: 2px dashed var(--card-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--row-alt);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---- Card ---- */
.card {
  background: var(--card-surface);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 28px;
}

/* ---- Section Headings ---- */
.card h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  padding-bottom: 12px;
  position: relative;
}
.card h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  border-radius: 2px;
}
.card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 24px 0 12px;
}

/* ---- Body Content ---- */
.card p {
  margin-bottom: 14px;
  color: var(--text-primary);
}
.card ul, .card ol {
  margin: 12px 0 16px 20px;
}
.card li {
  margin-bottom: 8px;
  color: var(--text-primary);
}
.card li strong {
  color: var(--white);
}

/* ---- Dosing Table ---- */
.dosing-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 8px;
  overflow: hidden;
  margin: 16px 0;
}
.dosing-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  background: var(--row-alt);
}
.dosing-table td {
  padding: 12px 16px;
  font-size: 14px;
  border-top: 1px solid var(--card-border);
}
.dosing-table tr:nth-child(even) td {
  background: var(--row-alt);
}
.dosing-table .dose-value {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  color: var(--white);
}

/* ---- Callout Boxes ---- */
.callout {
  border-left: 3px solid;
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 16px 0;
}
.callout-info {
  border-color: var(--accent-teal);
  background: rgba(6, 182, 212, 0.06);
}
.callout-warn {
  border-color: var(--amber-caution);
  background: rgba(245, 158, 11, 0.06);
}
.callout-danger {
  border-color: var(--red-alert);
  background: rgba(239, 68, 68, 0.06);
}
.callout-success {
  border-color: var(--green-confirm);
  background: rgba(34, 197, 94, 0.06);
}
.callout p {
  margin: 0;
  font-size: 14px;
}
.callout .callout-title {
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

/* ---- Benefits Grid ---- */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}
.benefit-item {
  background: var(--row-alt);
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  border-left: 3px solid;
}

/* ---- Confidence Footer ---- */
.confidence-footer {
  background: var(--row-alt);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 24px;
  margin-top: 40px;
}
.confidence-footer h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.confidence-footer .meta-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 13px;
}
.confidence-footer .meta-label {
  color: var(--text-secondary);
  min-width: 140px;
  font-weight: 500;
}
.confidence-footer .meta-value {
  color: var(--text-primary);
}
.confidence-high { color: var(--green-confirm); }
.confidence-moderate { color: var(--amber-caution); }
.confidence-low { color: var(--red-alert); }

/* ---- Disclaimer ---- */
.disclaimer {
  text-align: center;
  padding: 32px 0 16px;
  border-top: 1px solid var(--card-border);
  margin-top: 40px;
}
.disclaimer p {
  font-size: 11px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ---- Print Styles ---- */
@media print {
  body { background: #fff; color: #111; }
  .card { border: 1px solid #ddd; }
  .logo-bar .logo-text { color: #111; }
  .hero h1 { color: #111; }
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .guide-page { padding: 20px 16px 40px; }
  .hero h1 { font-size: 28px; }
  .card { padding: 20px; }
  .benefits-grid { grid-template-columns: 1fr; }
  .dosing-table th, .dosing-table td { padding: 8px 12px; font-size: 13px; }
}