@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Source+Serif+4:ital,wght@0,300;0,400;0,600;1,400&display=swap');

:root {
  --bg-primary: #09131f;
  --bg-secondary: #0f1e30;
  --bg-card: #122035;
  --bg-card-hover: #172740;
  --accent: #1a6fd4;
  --accent-light: #2d87f0;
  --accent-glow: rgba(26,111,212,0.18);
  --text-primary: #e8f0fa;
  --text-secondary: #8ca8c8;
  --text-muted: #4e6a88;
  --border: rgba(255,255,255,0.07);
  --border-accent: rgba(26,111,212,0.35);
  --danger: #c0392b;
  --danger-bg: rgba(192,57,43,0.12);
  --danger-border: rgba(192,57,43,0.35);
  --warning: #d4820a;
  --warning-bg: rgba(212,130,10,0.12);
  --warning-border: rgba(212,130,10,0.35);
  --info: #1a6fd4;
  --info-bg: rgba(26,111,212,0.1);
  --info-border: rgba(26,111,212,0.3);
  --success: #16a085;
  --success-bg: rgba(22,160,133,0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.35);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --player-height: 80px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  padding-bottom: calc(var(--player-height) + 24px);
  line-height: 1.6;
}

/* ─── HEADER ─── */
.site-header {
  background: linear-gradient(135deg, #0a1e35 0%, #0d2744 50%, #091929 100%);
  border-bottom: 1px solid var(--border-accent);
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), #0e4d9e);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.brand-text { font-size: 18px; font-weight: 700; letter-spacing: 0.5px; }
.brand-sub { font-size: 11px; color: var(--text-secondary); font-weight: 400; }
.header-badge {
  background: var(--info-bg);
  border: 1px solid var(--info-border);
  color: var(--accent-light);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
}

/* ─── HERO ─── */
.hero {
  background: linear-gradient(160deg, #0d2744 0%, #091929 60%);
  border-bottom: 1px solid var(--border);
  padding: 40px 24px 32px;
}
.hero-inner {
  max-width: 900px;
  margin: 0 auto;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--info-bg);
  border: 1px solid var(--info-border);
  color: var(--accent-light);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.hero-tag::before { content: ''; width: 6px; height: 6px; background: var(--accent-light); border-radius: 50%; }
.hero-title {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: 6px;
}
.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 400;
  margin-bottom: 24px;
}
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}
.pill strong { color: var(--text-primary); }

/* ─── MAIN ─── */
.main { max-width: 900px; margin: 0 auto; padding: 32px 24px; }

/* ─── SECTIONS NAV ─── */
.sections-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 32px;
  scrollbar-width: none;
}
.sections-nav::-webkit-scrollbar { display: none; }
.nav-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-btn:hover { border-color: var(--border-accent); color: var(--text-primary); }
.nav-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

/* ─── SECTION CARDS ─── */
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.section-card.active { border-color: var(--border-accent); }
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}
.section-header:hover { background: var(--bg-card-hover); }
.section-header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-number {
  width: 32px; height: 32px;
  background: var(--info-bg);
  border: 1px solid var(--info-border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-light);
  flex-shrink: 0;
}
.section-icon { font-size: 20px; }
.section-title { font-size: 15px; font-weight: 600; }
.section-chevron {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 12px;
  transition: transform 0.3s, background 0.2s;
  flex-shrink: 0;
}
.section-card.active .section-chevron { transform: rotate(180deg); background: var(--accent); color: #fff; }

.section-body {
  display: none;
  padding: 0 24px 24px;
  animation: fadeIn 0.25s ease;
}
.section-card.active .section-body { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

/* ─── CONTENT ELEMENTS ─── */
.content-paragraph {
  font-family: 'Source Serif 4', serif;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 15px;
}
.content-paragraph strong { color: var(--text-primary); font-family: 'Inter', sans-serif; font-weight: 600; }

.content-heading {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 20px 0 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.content-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.content-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  font-family: 'Source Serif 4', serif;
  line-height: 1.6;
}
.content-list li::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

/* ─── WARNING BOXES ─── */
.warning-box {
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 16px;
}
.warning-box.danger { background: var(--danger-bg); border: 1px solid var(--danger-border); }
.warning-box.warning { background: var(--warning-bg); border: 1px solid var(--warning-border); }
.warning-box.info { background: var(--info-bg); border: 1px solid var(--info-border); }
.warning-box-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.warning-box.danger .warning-box-title { color: #e74c3c; }
.warning-box.warning .warning-box-title { color: #f39c12; }
.warning-box.info .warning-box-title { color: var(--accent-light); }
.warning-box-title::before {
  font-size: 16px;
}
.warning-box.danger .warning-box-title::before { content: '🚫'; }
.warning-box.warning .warning-box-title::before { content: '⚠️'; }
.warning-box.info .warning-box-title::before { content: 'ℹ️'; }

.warning-box .content-list li { color: var(--text-secondary); }

/* ─── INFO BOX ─── */
.info-box {
  background: var(--info-bg);
  border: 1px solid var(--info-border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 16px;
}
.info-box-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 8px;
}
.info-box-content {
  font-size: 14px;
  color: var(--text-secondary);
  font-family: 'Source Serif 4', serif;
  line-height: 1.7;
}
.info-box-content strong { color: var(--text-primary); font-family: 'Inter', sans-serif; }

/* ─── DOSE TABLE ─── */
.dose-table-wrap { overflow-x: auto; margin-bottom: 16px; }
.dose-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.dose-table th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.dose-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  vertical-align: top;
}
.dose-table tr:last-child td { border-bottom: none; }
.dose-table tr:hover td { background: var(--bg-card-hover); }
.dose-table td:first-child { color: var(--text-primary); font-weight: 600; }

/* ─── SIDE EFFECTS GRID ─── */
.se-grid { display: grid; gap: 12px; margin-bottom: 16px; }
.se-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}
.se-frequency {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.se-desc { font-size: 11px; color: var(--text-muted); margin-bottom: 10px; }
.se-items { display: flex; flex-wrap: wrap; gap: 6px; }
.se-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* ─── STORAGE CARDS ─── */
.storage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.storage-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}
.storage-icon { font-size: 28px; margin-bottom: 8px; }
.storage-title { font-size: 12px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.storage-content { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }

/* ─── AUDIO PLAYER ─── */
.audio-player {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--player-height);
  background: rgba(10, 20, 35, 0.92);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-accent);
  z-index: 200;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
}
.player-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--accent), #0e4d9e);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.player-meta { flex-shrink: 0; min-width: 0; display: none; }
@media (min-width: 480px) { .player-meta { display: block; } }
.player-title { font-size: 12px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.player-section { font-size: 11px; color: var(--text-muted); }

.player-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.ctrl-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  transition: all 0.2s;
}
.ctrl-btn:hover { border-color: var(--accent); color: var(--accent-light); }
.ctrl-btn.play-btn {
  width: 44px; height: 44px;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-size: 16px;
}
.ctrl-btn.play-btn:hover { background: var(--accent-light); }
.ctrl-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.player-progress {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.progress-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-card);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  width: 0%;
  transition: width 0.3s linear;
  pointer-events: none;
}
.progress-bar:hover .progress-fill { background: var(--accent-light); }
.progress-time { font-size: 11px; color: var(--text-muted); white-space: nowrap; flex-shrink: 0; }

.player-speed {
  flex-shrink: 0;
  display: flex;
  gap: 4px;
}
.speed-btn {
  padding: 3px 7px;
  font-size: 11px;
  font-family: inherit;
  font-weight: 600;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.speed-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.speed-btn:hover:not(.active) { border-color: var(--accent); color: var(--accent-light); }

.player-no-audio {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}
.player-no-audio a {
  color: var(--accent-light);
  font-weight: 600;
  text-decoration: none;
  font-size: 12px;
}

/* ─── FOOTER ─── */
.site-footer {
  max-width: 900px;
  margin: 0 auto 16px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-text { font-size: 12px; color: var(--text-muted); }
.footer-text a { color: var(--accent-light); text-decoration: none; }
.print-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}
.print-btn:hover { border-color: var(--accent); color: var(--accent-light); }

/* ─── RESPONSIVE ─── */
@media (max-width: 600px) {
  .hero { padding: 28px 16px 20px; }
  .main { padding: 20px 16px; }
  .section-header { padding: 16px; }
  .section-body { padding: 0 16px 16px; }
  .audio-player { padding: 0 14px; gap: 10px; }
  .player-speed { display: none; }
  .storage-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer { padding: 0 16px; flex-direction: column; align-items: flex-start; }
}

@media print {
  .audio-player, .sections-nav, .site-header, .print-btn { display: none !important; }
  body { background: #fff; color: #000; padding: 0; font-size: 12pt; }
  .hero { background: #fff !important; border: none; padding: 16px 0; }
  .hero-title { color: #000 !important; font-size: 24pt; }
  .hero-subtitle { color: #333 !important; }
  .hero-pills .pill { background: #f0f0f0 !important; border: 1px solid #ccc; color: #333 !important; }
  .hero-tag { background: #eef !important; color: #004 !important; border: 1px solid #aac; }
  .info-box { background: #eef !important; border: 1px solid #aac !important; color: #000 !important; }
  .info-box-title { color: #003 !important; }
  .info-box-content { color: #222 !important; }
  .section-card { border: 1px solid #ccc !important; margin-bottom: 16px; background: #fff !important; page-break-inside: avoid; }
  .section-header { background: #f5f5f5 !important; border-bottom: 1px solid #ddd; }
  .section-title { color: #000 !important; }
  .section-number { background: #ddeeff !important; color: #003 !important; border: 1px solid #aac; }
  .section-body { display: block !important; }
  .content-paragraph { color: #222 !important; }
  .content-list li { color: #222 !important; }
  .content-list li::before { background: #004 !important; }
  .content-heading { color: #666 !important; border-color: #ddd !important; }
  .warning-box.danger { background: #fff0f0 !important; border: 1px solid #c00 !important; }
  .warning-box.warning { background: #fffbe6 !important; border: 1px solid #c80 !important; }
  .warning-box .warning-box-title { color: #700 !important; }
  .warning-box.warning .warning-box-title { color: #640 !important; }
  .warning-box .content-list li { color: #333 !important; }
  .dose-table th { background: #eee !important; color: #000 !important; }
  .dose-table td { color: #222 !important; border-color: #ddd !important; }
  .se-card { background: #f8f8f8 !important; border: 1px solid #ddd !important; }
  .se-frequency { color: #000 !important; }
  .se-desc { color: #666 !important; }
  .se-item { background: #fff !important; border: 1px solid #ccc !important; color: #333 !important; }
  .storage-card { background: #f8f8f8 !important; border: 1px solid #ddd !important; }
  .storage-title { color: #000 !important; }
  .storage-content { color: #444 !important; }
  .site-footer { color: #555 !important; }
  .section-chevron { display: none !important; }
  .main { padding: 0 !important; }
}