/* ============================================================
   DR. HUMMEL SUPPLEMENT GUIDE — STYLE.CSS
   Warm medical-professional aesthetic
   Primary teal: #1a6b5a | Gold: #c9a84c | Cream: #f9f7f2
   Fonts: Lora (headings) + Source Sans 3 (body)
   ============================================================ */

/* ── RESET & ROOT ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --teal: #1a6b5a;
  --teal-light: #2a8a74;
  --teal-bg: #e8f4f1;
  --gold: #c9a84c;
  --gold-bg: #faf3e0;
  --cream: #f9f7f2;
  --cream-dark: #f0ede6;
  --charcoal: #2d3436;
  --charcoal-light: #4a4a4a;
  --sage: #8fbc8f;
  --blue: #3b7dd8;
  --blue-bg: #e8f0fb;
  --white: #ffffff;
  --border: #e0dbd2;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: 0.2s ease;
  --font-heading: 'Lora', 'Georgia', serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--charcoal);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5 { font-family: var(--font-heading); line-height: 1.25; }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: var(--font-body); }
ul { list-style: none; }
input, textarea, select { font-family: var(--font-body); }

/* ── LOADING SCREEN ─────────────────────────────────────── */
.loading-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream);
}
.loading-content { text-align: center; }
.loading-icon { font-size: 3rem; margin-bottom: 16px; animation: pulse 1.5s infinite; }
.loading-text { font-family: var(--font-heading); font-size: 1.2rem; color: var(--teal); margin-bottom: 24px; }
.loading-bar { width: 200px; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; margin: 0 auto; }
.loading-fill { height: 100%; width: 60%; background: var(--teal); border-radius: 2px; animation: loadingSlide 1.2s ease-in-out infinite; }
@keyframes loadingSlide { 0%{transform:translateX(-100%)} 100%{transform:translateX(250%)} }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.6} }

/* ── CONTAINER ──────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── HEADER ─────────────────────────────────────────────── */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon { font-size: 1.8rem; }
.logo-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--teal);
  line-height: 1.2;
}
.logo-sub { font-size: 0.72rem; color: #888; letter-spacing: 0.02em; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-btn {
  background: none;
  border: none;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--charcoal-light);
  transition: var(--transition);
  white-space: nowrap;
  text-decoration: none;
  display: inline-block;
}
.nav-btn:hover { background: var(--cream); color: var(--teal); text-decoration: none; }
.nav-btn.active { color: var(--teal); background: var(--teal-bg); }
.nav-btn-store {
  background: var(--teal);
  color: var(--white) !important;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
}
.nav-btn-store:hover { background: var(--teal-light); text-decoration: none; }

.hamburger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
}
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 12px 24px 16px;
  border-top: 1px solid var(--border);
  gap: 4px;
  background: var(--white);
}
.mobile-nav.open { display: flex; }
.mobile-nav .nav-btn { text-align: left; }

@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: block; }
  .logo-name { font-size: 0.95rem; }
}

/* ── FOOTER ─────────────────────────────────────────────── */
.site-footer { background: var(--charcoal); color: #ccc; margin-top: 60px; }
.footer-inner {
  padding: 48px 0 32px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
}
.footer-logo { font-family: var(--font-heading); font-size: 1.2rem; color: var(--white); margin-bottom: 6px; }
.footer-tagline { font-size: 0.85rem; color: #aaa; margin-bottom: 16px; }
.footer-store-link {
  display: inline-block;
  background: var(--gold);
  color: var(--charcoal);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}
.footer-store-link:hover { background: #d4b55e; text-decoration: none; }
.footer-disclaimer { font-size: 0.82rem; line-height: 1.6; color: #aaa; }
.footer-disclaimer strong { color: var(--white); display: block; margin-bottom: 8px; }
.footer-disclaimer p { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid #444; padding: 16px 0; font-size: 0.78rem; color: #777; }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ── SECTION UTILITIES ──────────────────────────────────── */
.section { padding: 56px 0; }
.section-alt { background: var(--cream-dark); }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.section-title { font-size: 1.7rem; color: var(--charcoal); margin-bottom: 4px; }
.text-center { text-align: center; }
.page-title { font-size: 2rem; color: var(--charcoal); margin-bottom: 8px; }
.page-subtitle { font-size: 1rem; color: #666; margin-bottom: 32px; }
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--charcoal-light);
  font-size: 0.88rem;
  margin-bottom: 32px;
  transition: var(--transition);
}
.back-btn:hover { background: var(--cream); color: var(--teal); }
.count-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-bg);
  color: var(--teal);
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-left: 8px;
  font-family: var(--font-body);
}

/* ── BUTTONS ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  transition: var(--transition);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-light); }
.btn-secondary { background: var(--gold); color: var(--charcoal); }
.btn-secondary:hover { background: #d4b55e; }
.btn-outline { background: transparent; color: var(--teal); border: 1.5px solid var(--teal); }
.btn-outline:hover { background: var(--teal-bg); }
.btn-sm { padding: 7px 14px; font-size: 0.84rem; }

/* ── BADGES ─────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.warn-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffc107;
  margin-left: 6px;
}
.db-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--blue-bg);
  color: var(--blue);
  border: 1px solid #b8d0f5;
  margin-left: 6px;
}
.oncology-badge {
  background: #fce4ec;
  color: #c62828;
  border: 1px solid #ef9a9a;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
}
.severity-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.severity-major { background: #fce4ec; color: #c62828; border: 1px solid #ef9a9a; }
.severity-moderate { background: #fff8e1; color: #e65100; border: 1px solid #ffcc02; }
.severity-minor { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.severity-monitor { background: var(--blue-bg); color: var(--blue); border: 1px solid #b8d0f5; }

/* ── HOME: HERO ─────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--teal) 0%, #2a8a74 60%, #3a9f88 100%);
  padding: 70px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50px; right: -100px;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -60px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.92);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  border: 1px solid rgba(255,255,255,0.25);
}
.hero-title {
  font-size: 2.4rem;
  color: var(--white);
  margin-bottom: 18px;
  line-height: 1.2;
}
.hero-subtitle { font-size: 1.05rem; color: rgba(255,255,255,0.85); margin-bottom: 20px; }
.hero-disclaimer {
  background: rgba(0,0,0,0.2);
  border-left: 3px solid var(--gold);
  padding: 10px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: 28px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  backdrop-filter: blur(4px);
}
.stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.8); font-weight: 500; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 1.9rem; }
  .hero-stats { grid-template-columns: repeat(4,1fr); gap: 12px; }
  .stat-num { font-size: 1.8rem; }
}
@media (max-width: 600px) {
  .hero { padding: 48px 0 40px; }
  .hero-title { font-size: 1.6rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { text-align: center; justify-content: center; }
}

/* ── CONDITIONS GRID (HOME) ─────────────────────────────── */
.conditions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.condition-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}
.condition-card:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.condition-icon { font-size: 2rem; margin-bottom: 10px; }
.condition-name { font-family: var(--font-heading); font-size: 0.92rem; font-weight: 600; color: var(--charcoal); margin-bottom: 6px; }
.condition-count { font-size: 0.78rem; color: #888; }

/* ── FEATURES SECTION ───────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.feature-icon { font-size: 2.2rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; color: var(--teal); }
.feature-card p { font-size: 0.92rem; color: #666; margin-bottom: 18px; line-height: 1.7; }

/* ── EVIDENCE TIERS ─────────────────────────────────────── */
.tiers-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.tier-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  background: var(--white);
}
.tier-dot { width: 14px; height: 14px; border-radius: 50%; margin-bottom: 12px; }
.tier-strong .tier-dot { background: #1a6b5a; }
.tier-moderate .tier-dot { background: #3b7dd8; }
.tier-traditional .tier-dot { background: #c9a84c; }
.tier-card h3 { font-size: 1rem; margin-bottom: 8px; }
.tier-strong h3 { color: #1a6b5a; }
.tier-moderate h3 { color: #3b7dd8; }
.tier-traditional h3 { color: #c9a84c; }
.tier-card p { font-size: 0.88rem; color: #666; line-height: 1.65; }

/* ── BROWSE ─────────────────────────────────────────────── */
.browse-header { margin-bottom: 28px; }
.browse-controls { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-bottom: 36px; }
.search-wrapper { position: relative; flex: 1; min-width: 240px; }
.search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); pointer-events: none; }
.search-input {
  width: 100%;
  padding: 12px 16px 12px 44px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: var(--white);
  color: var(--charcoal);
  transition: var(--transition);
}
.search-input:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(26,107,90,0.1); }
.filter-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tab {
  background: var(--white);
  border: 1.5px solid var(--border);
  padding: 9px 18px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--charcoal-light);
  cursor: pointer;
  transition: var(--transition);
}
.filter-tab:hover { border-color: var(--teal); color: var(--teal); }
.filter-tab.active { background: var(--teal); border-color: var(--teal); color: var(--white); }

.browse-section { margin-bottom: 48px; }
.browse-section-title { font-size: 1.3rem; color: var(--charcoal); margin-bottom: 18px; }
.oncology-section-header { margin-bottom: 18px; }
.oncology-warning {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-left: 4px solid #e65100;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  font-size: 0.87rem;
  color: #4a3000;
  margin-top: 12px;
}
.conditions-grid-browse {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}
.condition-card-browse {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
}
.condition-card-browse:hover { border-color: var(--teal); box-shadow: var(--shadow-md); }
.condition-card-browse.oncology-card { border-left: 3px solid #e53935; }
.ccb-icon { font-size: 1.8rem; flex-shrink: 0; }
.ccb-body { flex: 1; min-width: 0; }
.ccb-name { font-family: var(--font-heading); font-size: 0.98rem; font-weight: 600; color: var(--charcoal); margin-bottom: 4px; }
.ccb-desc { font-size: 0.83rem; color: #777; margin-bottom: 10px; line-height: 1.5; }
.ccb-footer { display: flex; align-items: center; gap: 8px; font-size: 0.78rem; }
.ccb-count { color: #888; }
.ccb-arrow { margin-left: auto; color: var(--teal); font-weight: 600; }

.empty-state { text-align: center; padding: 60px 20px; }
.empty-icon { font-size: 3rem; margin-bottom: 16px; }
.empty-state h3 { font-size: 1.2rem; margin-bottom: 8px; }
.empty-state p { color: #888; margin-bottom: 20px; }

/* ── CONDITION DETAIL ───────────────────────────────────── */
.condition-hero {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.condition-hero-icon { font-size: 3rem; flex-shrink: 0; }
.condition-hero-category { font-size: 0.8rem; font-weight: 600; color: var(--teal); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.condition-hero-title { font-size: 1.9rem; color: var(--charcoal); margin-bottom: 10px; }
.condition-hero-desc { font-size: 0.98rem; color: #666; line-height: 1.7; }

.safety-banner {
  display: flex;
  gap: 16px;
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-left: 4px solid #e65100;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 32px;
}
.safety-banner-icon { font-size: 1.5rem; flex-shrink: 0; }
.safety-banner-text strong { display: block; font-size: 0.95rem; margin-bottom: 6px; color: #5a3800; }
.safety-banner-text p { font-size: 0.88rem; color: #6a4800; line-height: 1.6; }

.supplements-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.supplements-header h2 { font-size: 1.3rem; }
.supplements-legend { display: flex; gap: 14px; font-size: 0.8rem; }
.legend-item { font-weight: 500; }

/* ── SUPPLEMENT ACCORDION CARD ──────────────────────────── */
.supplements-accordion { display: flex; flex-direction: column; gap: 8px; }
.supp-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.supp-card.open { box-shadow: var(--shadow-md); }
.supp-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  gap: 12px;
}
.supp-card-header:hover { background: var(--cream); }
.supp-card-left { display: flex; align-items: flex-start; gap: 14px; flex: 1; }
.supp-tier-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; margin-top: 6px; }
.supp-card-name { font-family: var(--font-heading); font-size: 1rem; font-weight: 600; color: var(--charcoal); margin-bottom: 6px; }
.supp-card-meta { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.supp-toggle-icon { color: #888; font-size: 1.1rem; flex-shrink: 0; }

.supp-card-body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--border);
}
.supp-grid { display: grid; gap: 16px; padding: 20px 0 16px; }
.supp-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
  margin-bottom: 6px;
}
.supp-section-text { font-size: 0.9rem; color: #555; line-height: 1.7; }
.supp-dose {
  background: var(--teal-bg);
  border: 1px solid rgba(26,107,90,0.15);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-weight: 500;
  color: #1a4a3a;
}
.supp-notes-section .supp-section-text {
  background: var(--gold-bg);
  border: 1px solid rgba(201,168,76,0.2);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: #5a4a00;
}
.supp-interactions {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 4px;
}
.interaction-list { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }
.interaction-item {
  font-size: 0.87rem;
  color: #555;
  padding: 8px 12px;
  background: var(--cream);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--border);
}
.interaction-item.interaction-major {
  background: #fce4ec;
  border-left-color: #c62828;
  color: #5a0000;
  font-weight: 500;
}
.supp-db-interactions { border-top: 1px solid var(--border); padding-top: 16px; margin-top: 8px; }
.db-interaction-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-top: 10px;
  font-size: 0.87rem;
}
.db-interaction-item.severity-major { border-color: #ef9a9a; background: #fff5f5; }
.db-interaction-item.severity-moderate { border-color: #ffcc02; background: #fffdf0; }
.db-interaction-item.severity-minor { border-color: #a5d6a7; background: #f5fff5; }
.db-interaction-item.severity-monitor { border-color: #b8d0f5; background: #f5f8ff; }
.db-int-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.db-int-detail { font-size: 0.86rem; color: #555; margin-bottom: 6px; line-height: 1.6; }
.db-int-rec { font-size: 0.85rem; color: #333; }

.supp-cross-benefits { border-top: 1px solid var(--border); padding-top: 16px; margin-top: 8px; }
.cross-benefits-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.cross-benefit-btn {
  background: var(--teal-bg);
  color: var(--teal);
  border: 1px solid rgba(26,107,90,0.2);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}
.cross-benefit-btn:hover { background: var(--teal); color: var(--white); }
.supp-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }

/* ── SUPPLEMENT DETAIL ──────────────────────────────────── */
.supp-detail-hero {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.supp-detail-icon { font-size: 2.5rem; flex-shrink: 0; }
.supp-detail-category { font-size: 0.8rem; color: var(--teal); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }
.supp-detail-title { font-size: 1.8rem; margin-bottom: 10px; }
.supp-detail-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.supp-detail-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: start;
}
.detail-section { margin-bottom: 28px; }
.detail-section h3 { font-size: 1.05rem; color: var(--teal); margin-bottom: 10px; border-bottom: 2px solid var(--teal-bg); padding-bottom: 6px; }
.detail-section p { font-size: 0.93rem; color: #555; line-height: 1.75; }
.detail-notes p { background: var(--gold-bg); border: 1px solid rgba(201,168,76,0.2); padding: 14px 16px; border-radius: var(--radius-sm); color: #5a4a00; }
.sidebar-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px; margin-bottom: 16px; }
.sidebar-card h3 { font-size: 0.95rem; color: var(--teal); margin-bottom: 12px; }
.sidebar-card p { font-size: 0.88rem; color: #555; line-height: 1.65; }
.sidebar-card ul { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }
.sidebar-card li { font-size: 0.86rem; color: #555; padding: 6px 10px; background: var(--cream); border-radius: 4px; }
.sidebar-card .warn-item { background: #fce4ec; color: #5a0000; border-left: 3px solid #c62828; }
.sidebar-warn { border-color: #ffc107; }
.sidebar-interactions { border-color: var(--blue); }

@media (max-width: 900px) {
  .supp-detail-grid { grid-template-columns: 1fr; }
}

/* ── INTERACTION CHECKER ────────────────────────────────── */
.checker-layout {
  display: grid;
  grid-template-columns: 260px 260px 1fr;
  gap: 24px;
  align-items: start;
}
.checker-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.checker-panel-title { font-size: 1rem; padding: 16px 18px; background: var(--cream); border-bottom: 1px solid var(--border); }
.checker-hint { font-size: 0.82rem; color: #888; padding: 10px 18px 0; }
.checker-list {
  max-height: 560px;
  overflow-y: auto;
  padding: 8px 12px 12px;
}
.checker-item {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.86rem;
  border: 1px solid transparent;
  margin-bottom: 4px;
}
.checker-item:hover { background: var(--cream); }
.checker-item.selected { background: var(--teal-bg); border-color: rgba(26,107,90,0.2); }
.checker-checkbox { flex-shrink: 0; margin-top: 2px; accent-color: var(--teal); }
.checker-item-label { font-weight: 500; color: var(--charcoal); flex: 1; }
.checker-item-sub { font-size: 0.75rem; color: #999; width: 100%; padding-left: 20px; }

.checker-results-column { min-width: 0; }
.checker-results-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
}
.checker-empty { text-align: center; padding: 40px 20px; color: #888; }
.checker-empty-icon { font-size: 2.5rem; margin-bottom: 12px; }
.checker-empty p { font-size: 0.9rem; }
.checker-clear { text-align: center; padding: 32px 20px; }
.checker-clear-icon { font-size: 2.5rem; margin-bottom: 12px; }
.checker-clear p { font-size: 0.92rem; margin-bottom: 8px; }
.checker-clear-note { font-size: 0.82rem; color: #888; }
.checker-results-count { font-size: 0.84rem; color: var(--teal); font-weight: 600; margin-bottom: 16px; }

.interaction-result {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 12px;
}
.interaction-result.severity-major { border-color: #ef9a9a; background: #fff5f5; }
.interaction-result.severity-moderate { border-color: #ffcc02; background: #fffdf0; }
.interaction-result.severity-minor { border-color: #a5d6a7; background: #f5fff5; }
.interaction-result.severity-monitor { border-color: #b8d0f5; background: #f5f8ff; }
.int-result-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; gap: 8px; }
.int-result-pair { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 0.9rem; }
.int-supp { font-weight: 600; color: var(--teal); }
.int-plus { color: #aaa; font-size: 0.8rem; }
.int-drug { font-weight: 500; color: var(--charcoal); }
.int-result-detail { font-size: 0.86rem; color: #555; margin-bottom: 6px; line-height: 1.6; }
.int-result-mechanism { font-size: 0.82rem; color: #666; margin-bottom: 6px; line-height: 1.5; font-style: italic; }
.int-result-rec { font-size: 0.84rem; color: #333; }

.checker-legend {
  background: var(--cream-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}
.checker-legend h4 { font-size: 0.88rem; margin-bottom: 12px; color: var(--charcoal); }
.severity-item { display: flex; align-items: flex-start; gap: 10px; font-size: 0.82rem; color: #666; margin-bottom: 8px; line-height: 1.5; }

@media (max-width: 1000px) {
  .checker-layout { grid-template-columns: 1fr 1fr; }
  .checker-results-column { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .checker-layout { grid-template-columns: 1fr; }
}

/* ── QUESTIONNAIRE ──────────────────────────────────────── */
.questionnaire-wrapper { max-width: 900px; margin: 0 auto; }
.q-header { margin-bottom: 40px; }
.progress-bar { margin-top: 24px; }
.progress-track {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 12px;
}
.progress-fill {
  height: 100%;
  background: var(--teal);
  border-radius: 3px;
  transition: width 0.4s ease;
}
.progress-steps { display: flex; gap: 8px; }
.progress-step {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--border);
  color: #888;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
}
.progress-step.done { background: var(--teal); color: var(--white); }

.q-step-title { font-size: 1.5rem; margin-bottom: 8px; }
.q-step-desc { color: #666; font-size: 0.95rem; margin-bottom: 24px; }

.q-areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin-bottom: 32px;
}
.q-area-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.88rem;
}
.q-area-item:hover { border-color: var(--teal); }
.q-area-item.selected { border-color: var(--teal); background: var(--teal-bg); }
.q-area-item input { accent-color: var(--teal); }
.q-area-icon { font-size: 1.2rem; flex-shrink: 0; }
.q-area-label { font-weight: 500; color: var(--charcoal); }

.q-meds-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 8px;
  margin-bottom: 16px;
}
.q-med-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}
.q-med-item:hover { border-color: var(--teal); }
.q-med-item.selected { border-color: var(--teal); background: var(--teal-bg); }
.q-med-item input { accent-color: var(--teal); flex-shrink: 0; }
.q-med-label { font-weight: 500; color: var(--charcoal); font-size: 0.88rem; }
.q-med-drugs { font-size: 0.75rem; color: #999; width: 100%; padding-left: 20px; }
.q-none-option {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: #666;
  cursor: pointer;
  margin-bottom: 24px;
}
.q-none-option input { accent-color: var(--teal); }

.q-textarea {
  width: 100%;
  min-height: 150px;
  padding: 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--white);
  resize: vertical;
  margin-bottom: 28px;
  transition: var(--transition);
}
.q-textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(26,107,90,0.1); }
.q-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; }

/* Questionnaire Results */
.q-results { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
.q-results-header { text-align: center; margin-bottom: 36px; }
.q-results-icon { font-size: 3rem; margin-bottom: 14px; }
.q-results-header h2 { font-size: 1.7rem; margin-bottom: 10px; }
.q-results-header p { font-size: 0.95rem; color: #666; }
.q-free-text-display { background: var(--cream-dark); border-radius: var(--radius-sm); padding: 12px 14px; font-size: 0.88rem; color: #555; margin-top: 12px; text-align: left; }

.q-interaction-alert { background: #fff3cd; border: 1.5px solid #ffc107; border-left: 4px solid #e65100; border-radius: var(--radius-md); padding: 20px 24px; margin-bottom: 32px; }
.q-interaction-alert h3 { font-size: 1.1rem; margin-bottom: 12px; color: #5a3800; }

.q-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}
.q-result-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: var(--transition);
}
.q-result-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.q-result-header { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 8px; margin-bottom: 12px; }
.q-result-name { font-family: var(--font-heading); font-size: 1rem; font-weight: 600; color: var(--charcoal); flex: 1; }
.q-result-conditions { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.q-condition-tag { background: var(--teal-bg); color: var(--teal); padding: 3px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 500; }
.q-result-dose { font-size: 0.83rem; color: #555; background: var(--cream); border-radius: var(--radius-sm); padding: 8px 12px; margin-bottom: 12px; line-height: 1.5; }
.q-result-actions { display: flex; gap: 8px; }

.q-results-footer { border-top: 1px solid var(--border); padding-top: 32px; }
.q-disclaimer {
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  font-size: 0.88rem;
  color: #5a3800;
  margin-bottom: 24px;
  line-height: 1.65;
}
.q-footer-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── SCROLLBAR ──────────────────────────────────────────── */
.checker-list::-webkit-scrollbar { width: 4px; }
.checker-list::-webkit-scrollbar-track { background: var(--cream); }
.checker-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.checker-list::-webkit-scrollbar-thumb:hover { background: #ccc; }

/* ── PRINT ──────────────────────────────────────────────── */
@media print {
  .site-header, .site-footer, .back-btn, .supp-actions, .nav-btn, .hamburger { display: none !important; }
  .supp-card-body { display: block !important; }
  body { background: white; }
  .supp-card { break-inside: avoid; margin-bottom: 16px; }
}

/* ── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .section { padding: 40px 0; }
  .page-title { font-size: 1.6rem; }
  .conditions-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .conditions-grid-browse { grid-template-columns: 1fr; }
  .condition-hero { flex-direction: column; gap: 16px; }
  .supp-detail-hero { flex-direction: column; gap: 14px; }
  .q-areas-grid { grid-template-columns: 1fr 1fr; }
  .q-results-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 1.4rem; }
  .section-title { font-size: 1.4rem; }
  .q-areas-grid { grid-template-columns: 1fr; }
  .q-meds-grid { grid-template-columns: 1fr; }
  .supp-card-header { padding: 14px 16px; }
  .supp-card-body { padding: 0 16px 16px; }
}