/* ==========================================================================
   Clinical Derma Lab - YMYL, E-E-A-T & SEO Component Stylesheet
   Luxury Dermatological & Clean Clinical Retail Aesthetics
   ========================================================================== */

:root {
  --primary-teal: #0e3b43;
  --primary-teal-dark: #08242a;
  --accent-emerald: #2a7f62;
  --accent-soft-emerald: #eef7f4;
  --warm-neutral-bg: #fcfbf9;
  --surface-card: #ffffff;
  --border-subtle: #e6e2db;
  --border-strong: #d1cbc1;
  --text-main: #1d2528;
  --text-muted: #536469;
  --badge-gold: #b45309;
  --badge-gold-bg: #fef3c7;
}

/* 1. Breadcrumb Navigation */
.clinical-breadcrumb-nav {
  margin: 18px 0 24px;
  font-size: 0.84rem;
}
.clinical-breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.clinical-breadcrumb-item {
  display: inline-flex;
  align-items: center;
  color: var(--text-muted);
}
.clinical-breadcrumb-item a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}
.clinical-breadcrumb-item a:hover {
  color: var(--accent-emerald);
  text-decoration: underline;
}
.clinical-breadcrumb-separator {
  margin: 0 4px;
  color: #a0aec0;
  font-size: 0.75rem;
}
.clinical-breadcrumb-current {
  color: var(--primary-teal);
  font-weight: 700;
}

/* 2. Clinical Authority Bar (E-E-A-T Signal) */
.clinical-authority-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  background: #f7faf9;
  border: 1px solid rgba(42, 127, 98, 0.22);
  border-left: 4px solid var(--accent-emerald);
  border-radius: 8px;
  padding: 14px 20px;
  margin: 20px 0 28px;
}
.authority-bar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}
.authority-avatar-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-teal);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.88rem;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 6px rgba(14, 59, 67, 0.2);
  flex-shrink: 0;
}
.authority-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.authority-statement {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--primary-teal);
  margin: 0;
}
.authority-statement a {
  color: var(--primary-teal);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.authority-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0;
}
.authority-bar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn-verify-credentials {
  background: #ffffff;
  color: var(--accent-emerald);
  border: 1px solid var(--accent-emerald);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}
.btn-verify-credentials:hover {
  background: var(--accent-emerald);
  color: #ffffff;
}

/* 3. Key Clinical Takeaways (GEO & AI Overview Optimized) */
.clinical-takeaways-box {
  background: linear-gradient(180deg, #ffffff 0%, #f9fbfb 100%);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 24px 26px;
  margin: 28px 0 36px;
  box-shadow: 0 2px 12px rgba(14, 59, 67, 0.04);
  position: relative;
}
.takeaways-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-emerald);
  background: var(--accent-soft-emerald);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.takeaways-heading {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--primary-teal);
  margin-bottom: 14px;
  line-height: 1.35;
}
.takeaways-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.takeaways-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.94rem;
  color: var(--text-main);
  line-height: 1.55;
}
.takeaways-bullet-icon {
  color: var(--accent-emerald);
  font-weight: 900;
  flex-shrink: 0;
  margin-top: 1px;
}
.takeaways-item strong {
  color: var(--primary-teal);
}

/* 4. Peer-Reviewed Citations & References Section (Collapsible) */
.citations-wrapper {
  margin: 56px 0 40px;
  border-top: 2px solid var(--border-subtle);
  padding-top: 28px;
}
.citations-header-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fbfaf8;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px 20px;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.citations-header-btn:hover {
  background: #f2f0ec;
  border-color: var(--border-strong);
}
.citations-header-btn:focus-visible {
  outline: 2px solid var(--accent-emerald);
  outline-offset: 2px;
}
.citations-title-area {
  display: flex;
  align-items: center;
  gap: 12px;
}
.citations-badge {
  background: var(--primary-teal);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}
.citations-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-teal);
  margin: 0;
}
.citations-chevron {
  transition: transform 0.2s ease;
  color: var(--text-muted);
}
.citations-header-btn[aria-expanded="true"] .citations-chevron {
  transform: rotate(180deg);
}
.citations-panel {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-top: none;
  border-radius: 0 0 8px 8px;
  padding: 22px 24px;
}
.citations-list {
  list-style-type: decimal;
  padding-left: 20px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.citation-entry {
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--text-main);
}
.citation-journal {
  font-style: italic;
  color: var(--primary-teal);
  font-weight: 600;
}
.citation-links {
  margin-top: 3px;
  display: inline-flex;
  gap: 12px;
  font-size: 0.78rem;
}
.citation-links a {
  color: var(--accent-emerald);
  text-decoration: underline;
  font-weight: 600;
}

/* 5. Accessible Verification Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 59, 67, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 16px;
}
.modal-card {
  background: #ffffff;
  border-radius: 12px;
  max-width: 580px;
  width: 100%;
  padding: 32px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

/* 6. Formulations & Catalog Category Pills */
.filter-pills-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 24px 0 32px;
}
.filter-pill {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-pill:hover {
  border-color: var(--accent-emerald);
  color: var(--accent-emerald);
}
.filter-pill.active {
  background: var(--primary-teal);
  border-color: var(--primary-teal);
  color: #ffffff;
}

/* Accessibility focus-visible rules */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent-emerald) !important;
  outline-offset: 2px !important;
}

@media (max-width: 640px) {
  .clinical-authority-bar {
    flex-direction: column;
    align-items: flex-start;
  }
  .authority-bar-right {
    width: 100%;
    justify-content: flex-start;
  }
}