/* ==========================================================================
   FELIX CHEMICAL SUPPLY — Official Color Scheme & Stylesheet
   - Exact Color Scheme from Felix Chemical Supply:
     * Primary Dark Navy: #112E51 / #0B3954
     * Accent Sky Blue: #5EB2E6
     * Dark Button Hover: #112E51
     * Page Background: #f1f6fb / #f9fbfd
     * Card Surface: #ffffff
     * Border Subtles: #e3e9f0 / #dadada
     * Text Headings: #112E51
     * Text Subheadings: #5a6a85
     * Text Body: #1e293b / #0c0c0c
     * Status Available/Success: #28a745
     * Status Pending: #f0ad4e
   - Clean, professional laboratory biotech design
   - Strictly NO vial imagery
   - Only initially provided information
   ========================================================================== */

:root {
  /* Exact Colors from Felix Chemical Supply */
  --fx-primary: #5EB2E6;
  --fx-primary-hover: #112E51;
  --fx-navy: #112E51;
  --fx-navy-dark: #0B3954;
  --fx-navy-subtle: #1e3a61;
  
  --fx-bg-body: #f1f6fb;
  --fx-bg-card: #ffffff;
  --fx-bg-subtle: #f9fbfd;
  --fx-bg-hover: #eaf3fb;
  
  --fx-border: #e3e9f0;
  --fx-border-focus: #5EB2E6;
  --fx-border-dark: #cbd5e1;
  
  --fx-text-title: #112E51;
  --fx-text-sub: #5a6a85;
  --fx-text-body: #1e293b;
  --fx-text-muted: #8c8c8c;
  --fx-text-white: #ffffff;
  
  --fx-success: #28a745;
  --fx-success-bg: rgba(40, 167, 69, 0.1);
  --fx-warning: #f0ad4e;
  --fx-warning-bg: rgba(240, 173, 78, 0.12);
  
  --fx-telegram: #229ed9;
  --fx-whatsapp: #25d366;
  
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(17, 46, 81, 0.04), 0 1px 2px rgba(17, 46, 81, 0.02);
  --shadow-card: 0 4px 16px rgba(17, 46, 81, 0.06), 0 2px 4px rgba(17, 46, 81, 0.03);
  --shadow-hover: 0 8px 24px rgba(17, 46, 81, 0.12), 0 3px 6px rgba(17, 46, 81, 0.04);
  --shadow-focus: 0 0 0 3px rgba(94, 178, 230, 0.25);
  
  --transition: all 0.2s ease-in-out;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: 'Outfit', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--fx-text-body);
  background-color: var(--fx-bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background-color: var(--fx-bg-body);
  color: var(--fx-text-body);
  position: relative;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--fx-text-title);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

p {
  color: var(--fx-text-body);
  font-size: 0.95rem;
  line-height: 1.65;
}

a {
  color: var(--fx-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--fx-navy);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: var(--transition);
}

input, select, textarea {
  font-family: inherit;
  font-size: 0.95rem;
}

.mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Scroll Progress Bar */
#scrollProgress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--fx-primary);
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
}

/* Page Wrapper */
.page-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   TOP DISCLAIMER BANNER (Exact styling & text from Felix Chemical Supply)
   ========================================================================== */
.top-disclaimer-banner {
  background: #ffffff;
  color: #000000;
  padding: 5px 16px;
  border-bottom: 1px solid #e5e7eb;
  position: relative;
  z-index: 105;
}

.disclaimer-banner-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: left;
}

.disclaimer-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  color: #111827;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.disclaimer-badge svg {
  color: #111827;
}

.disclaimer-text-lead {
  color: #111827;
  margin: 0;
  font-size: 0.72rem;
  line-height: 1.38;
}

.disclaimer-text-lead strong {
  color: #000000;
  font-weight: 700;
}

@media (max-width: 768px) {
  .disclaimer-banner-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

/* ==========================================================================
   HEADER & NAVIGATION BAR (Felix Chemical Supply theme)
   ========================================================================== */
.site-header {
  background: var(--fx-bg-card);
  border-bottom: 1px solid var(--fx-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(17, 46, 81, 0.04);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo-img {
  height: 42px;
  width: auto;
  display: block;
  object-fit: contain;
}

.brand-text-block {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--fx-text-title);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.brand-subtitle {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--fx-text-sub);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Nav links */
.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fx-navy);
  padding: 6px 4px;
  position: relative;
  transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
  color: var(--fx-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-header-contact {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-whatsapp-sm {
  background: var(--fx-bg-subtle);
  color: #128c7e;
  border: 1px solid var(--fx-border);
}

.btn-whatsapp-sm:hover {
  background: #128c7e;
  color: #ffffff;
  border-color: #128c7e;
}

.btn-telegram-sm {
  background: var(--fx-primary);
  color: #ffffff;
}

.btn-telegram-sm:hover {
  background: var(--fx-primary-hover);
  color: #ffffff;
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  padding: 8px;
  color: var(--fx-navy);
  background: none;
  font-size: 1.4rem;
}

/* ==========================================================================
   HERO / BRAND BANNER
   ========================================================================== */
.hero-banner {
  background: #ffffff;
  border-bottom: 1px solid var(--fx-border);
  padding: 40px 0;
  margin-bottom: 30px;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--fx-bg-body);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fx-text-title);
  margin-bottom: 18px;
}

.status-indicator-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--fx-success);
}

.hero-title {
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--fx-navy);
  margin-bottom: 12px;
  line-height: 1.2;
}

.hero-title span {
  color: var(--fx-primary);
}

.hero-description {
  font-size: 1.05rem;
  color: var(--fx-text-sub);
  max-width: 700px;
  margin-bottom: 24px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 30px;
}

.btn-cta-primary {
  background: var(--fx-primary);
  color: #ffffff !important;
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(94, 178, 230, 0.35);
  transition: var(--transition);
}

.btn-cta-primary:hover {
  background: var(--fx-primary-hover);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-cta-secondary {
  background: #ffffff;
  color: var(--fx-navy) !important;
  border: 1px solid var(--fx-border);
  font-weight: 600;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-cta-secondary:hover {
  background: var(--fx-bg-subtle);
  border-color: var(--fx-border-dark);
  color: var(--fx-navy);
}

/* Factual Stats Strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  width: 100%;
  padding-top: 24px;
  border-top: 1px solid var(--fx-border);
}

.stat-item {
  padding: 12px;
  text-align: center;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--fx-navy);
  margin-bottom: 2px;
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fx-text-sub);
  font-weight: 500;
}

/* ==========================================================================
   CATALOG CONTROLS & FILTERING
   ========================================================================== */
.catalog-section {
  margin-bottom: 50px;
}

.section-header-row {
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title {
  font-size: 1.7rem;
  color: var(--fx-navy);
  font-weight: 700;
  margin-bottom: 4px;
}

.section-subtitle {
  font-size: 0.95rem;
  color: var(--fx-text-sub);
}

.catalog-card-box {
  background: var(--fx-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--fx-border);
  padding: 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
}

.catalog-toolbar {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.search-and-sort-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  flex: 1;
  min-width: 260px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 14px;
  color: var(--fx-text-sub);
  pointer-events: none;
}

.catalog-search-input {
  width: 100%;
  padding: 11px 16px 11px 42px;
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--fx-text-body);
  font-size: 0.95rem;
  transition: var(--transition);
}

.catalog-search-input:focus {
  outline: none;
  border-color: var(--fx-primary);
  box-shadow: var(--shadow-focus);
}

.sort-select {
  padding: 11px 16px;
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--fx-text-title);
  font-weight: 500;
  font-size: 0.92rem;
  cursor: pointer;
}

.sort-select:focus {
  outline: none;
  border-color: var(--fx-primary);
  box-shadow: var(--shadow-focus);
}

/* Category Filter Pills */
.filter-pills-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-pill-btn {
  padding: 7px 15px;
  border-radius: var(--radius-pill);
  font-size: 0.88rem;
  font-weight: 600;
  background: var(--fx-bg-subtle);
  color: var(--fx-text-title);
  border: 1px solid var(--fx-border);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.filter-pill-btn:hover {
  background: #ffffff;
  border-color: var(--fx-primary);
  color: var(--fx-primary);
}

.filter-pill-btn.active {
  background: var(--fx-primary);
  color: #ffffff;
  border-color: var(--fx-primary);
}

.catalog-results-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--fx-border);
  font-size: 0.88rem;
  color: var(--fx-text-sub);
}

.product-count-badge {
  font-weight: 600;
  color: var(--fx-navy);
}

/* ==========================================================================
   PRODUCT GRID & CARDS (Strictly No Vials, Exact Felix Chemical Supply theme)
   ========================================================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--fx-bg-card);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition);
  position: relative;
}

.product-card:hover {
  border-color: #b0d8f2;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.card-emblem {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--fx-bg-subtle);
  border: 1px solid var(--fx-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fx-primary);
  flex-shrink: 0;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.tag-category {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--fx-bg-subtle);
  color: var(--fx-navy);
  border: 1px solid var(--fx-border);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tag-status-available {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--fx-success-bg);
  color: var(--fx-success);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.tag-status-available::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--fx-success);
}

.product-name {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--fx-navy);
  margin-bottom: 6px;
  line-height: 1.3;
}

.product-quantity {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--fx-primary);
  background: var(--fx-bg-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(94, 178, 230, 0.3);
  margin-bottom: 10px;
}

.product-desc,
.product-desc-concise {
  font-size: 0.8125rem;
  color: var(--fx-text-sub);
  margin-bottom: 12px;
  line-height: 1.45;
}

.product-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--fx-text-muted);
  padding: 8px 0;
  border-top: 1px dashed var(--fx-border);
  margin-bottom: 14px;
}

.batch-code {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 500;
  color: var(--fx-navy);
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.btn-card-order {
  background: var(--fx-primary);
  color: #ffffff !important;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-card-order:hover {
  background: var(--fx-primary-hover);
  color: #ffffff;
}

.btn-card-inquire {
  background: var(--fx-bg-subtle);
  color: var(--fx-navy);
  border: 1px solid var(--fx-border);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-align: center;
  transition: var(--transition);
}

.btn-card-inquire:hover {
  background: #ffffff;
  border-color: var(--fx-primary);
  color: var(--fx-primary);
}

/* Empty State */
.empty-catalog {
  grid-column: 1 / -1;
  text-align: center;
  padding: 50px 20px;
  background: var(--fx-bg-card);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-md);
}

.empty-catalog svg {
  color: var(--fx-text-sub);
  margin-bottom: 14px;
}

/* ==========================================================================
   PAYMENT INFORMATION SECTION (Felix Chemical Supply theme)
   ========================================================================== */
.payment-section {
  margin-bottom: 50px;
}

.payment-card {
  background: var(--fx-bg-card);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-card);
}

.payment-header {
  margin-bottom: 24px;
  text-align: center;
}

.payment-header h3 {
  font-size: 1.6rem;
  color: var(--fx-navy);
  margin-bottom: 6px;
}

.payment-header p {
  color: var(--fx-text-sub);
  font-size: 0.95rem;
}

.payment-badge {
  display: inline-block;
  background: rgba(94, 178, 230, 0.15);
  color: var(--fx-navy);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 10px;
  border: 1px solid var(--fx-border);
}

.crypto-tabs-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.crypto-tab-btn {
  background: var(--fx-bg-subtle);
  border: 2px solid var(--fx-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.crypto-tab-btn:hover {
  border-color: var(--fx-primary);
  background: #ffffff;
}

.crypto-tab-btn.active {
  background: #ffffff;
  border-color: var(--fx-primary);
  box-shadow: 0 4px 12px rgba(94, 178, 230, 0.18);
}

.tab-crypto-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

.eth-badge {
  background: rgba(94, 178, 230, 0.18);
  color: var(--fx-navy);
}

.btc-badge {
  background: rgba(247, 147, 26, 0.18);
  color: #b36300;
}

.sol-badge {
  background: rgba(20, 241, 149, 0.18);
  color: #0b8058;
}

.tab-crypto-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--fx-navy);
}

.network-badge {
  background: var(--fx-primary);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.address-sub-notice {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--fx-text-sub);
  display: flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 768px) {
  .crypto-tabs-nav {
    grid-template-columns: 1fr;
  }
}

.payment-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.payment-spec-box {
  background: var(--fx-bg-subtle);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-sm);
  padding: 16px;
}

.payment-spec-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fx-text-sub);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.payment-spec-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fx-navy);
}

.payment-address-card {
  background: var(--fx-bg-subtle);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 20px;
}

.address-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.address-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fx-navy);
}

.address-flex {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.address-code-block {
  flex: 1;
  min-width: 240px;
  background: #ffffff;
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-xs);
  padding: 10px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--fx-navy);
  word-break: break-all;
  user-select: all;
}

.btn-copy-address {
  background: var(--fx-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 10px 18px;
  border-radius: var(--radius-xs);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: var(--transition);
}

.btn-copy-address:hover {
  background: var(--fx-primary-hover);
}

.payment-instruction-note {
  background: #ffffff;
  border: 1px solid var(--fx-border);
  border-left: 4px solid var(--fx-primary);
  border-radius: var(--radius-xs);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--fx-text-body);
}

/* ==========================================================================
   ORDER & INQUIRY FORM SECTION
   ========================================================================== */
.order-section {
  margin-bottom: 50px;
}

.order-form-card {
  background: var(--fx-bg-card);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-card);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--fx-navy);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--fx-text-body);
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--fx-primary);
  box-shadow: var(--shadow-focus);
}

.form-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.btn-submit-order {
  flex: 1;
  min-width: 220px;
  background: var(--fx-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 20px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(94, 178, 230, 0.35);
  transition: var(--transition);
}

.btn-submit-order:hover {
  background: var(--fx-primary-hover);
  transform: translateY(-1px);
}

.btn-telegram-order {
  background: #229ed9;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 20px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-telegram-order:hover {
  background: #1980b3;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
  margin-bottom: 50px;
}

.contact-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.contact-card {
  background: var(--fx-bg-card);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: #b0d8f2;
  transform: translateY(-2px);
}

.contact-card-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.icon-wa {
  background: rgba(37, 211, 102, 0.12);
  color: #25d366;
}

.icon-tg {
  background: rgba(34, 158, 217, 0.12);
  color: #229ed9;
}

.icon-phone {
  background: rgba(94, 178, 230, 0.12);
  color: var(--fx-primary);
}

.contact-card h4 {
  font-size: 1.15rem;
  color: var(--fx-navy);
  margin-bottom: 6px;
}

.contact-card p {
  font-size: 0.88rem;
  color: var(--fx-text-sub);
  margin-bottom: 14px;
}

.contact-direct-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  background: var(--fx-bg-subtle);
  border: 1px solid var(--fx-border);
  color: var(--fx-navy);
  transition: var(--transition);
}

.contact-direct-btn:hover {
  background: var(--fx-primary);
  border-color: var(--fx-primary);
  color: #ffffff;
}

/* ==========================================================================
   FOOTER (Research Compliance Notice)
   ========================================================================== */
.site-footer {
  background: #ffffff;
  border-top: 1px solid var(--fx-border);
  padding: 36px 0 24px;
  margin-top: 40px;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-disclaimer-box {
  background: var(--fx-bg-subtle);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
}

.disclaimer-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--fx-navy);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.disclaimer-text {
  font-size: 0.82rem;
  color: var(--fx-text-sub);
  line-height: 1.6;
}

.footer-bottom-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--fx-text-muted);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */
#toastContainer {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--fx-navy);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 16px rgba(17, 46, 81, 0.25);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 4px solid var(--fx-primary);
  animation: toastSlideIn 0.25s ease-out;
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   RESPONSIVE DESIGN (All Devices: Mobile 320px+, Tablets, Desktops)
   ========================================================================== */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--fx-primary);
  color: #ffffff;
  padding: 10px 18px;
  border-radius: var(--radius-xs);
  font-weight: 700;
  font-size: 0.9rem;
  z-index: 9999;
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(17, 46, 81, 0.2);
  transition: top 0.2s ease;
}
.skip-to-content:focus {
  top: 16px;
}

@keyframes mobileNavSlideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 860px) {
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    padding: 16px 20px;
    gap: 10px;
    border-bottom: 2px solid var(--fx-border);
    box-shadow: 0 20px 35px -5px rgba(17, 46, 81, 0.15);
    z-index: 1000;
  }

  .site-nav.mobile-open {
    display: flex;
    animation: mobileNavSlideDown 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }

  .site-nav .nav-link {
    padding: 12px 18px;
    border-radius: var(--radius-xs);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    min-height: 44px;
    border: 1px solid var(--fx-border-subtle);
    background: var(--fx-bg-subtle);
    color: var(--fx-navy);
    text-decoration: none;
    transition: var(--transition);
  }

  .site-nav .nav-link:hover,
  .site-nav .nav-link:active {
    background: #ffffff;
    border-color: var(--fx-primary);
    color: var(--fx-primary);
    padding-left: 22px;
  }

  .mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    border-radius: var(--radius-xs);
    background: var(--fx-bg-subtle);
    border: 1px solid var(--fx-border);
    cursor: pointer;
    transition: var(--transition);
  }

  .mobile-menu-btn:hover,
  .mobile-menu-btn.active {
    background: var(--fx-primary);
    border-color: var(--fx-primary);
    color: #ffffff;
  }

  .mobile-menu-btn.active svg {
    stroke: #ffffff;
  }

  .hero-title {
    font-size: 1.85rem;
  }

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

  .form-grid-2 {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  }
}

@media (max-width: 768px) {
  /* Prevent iOS Safari automatic zooming on input focus */
  input[type="text"],
  input[type="tel"],
  input[type="email"],
  select,
  textarea {
    font-size: 16px !important;
  }

  .disclaimer-banner-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
}

@media (max-width: 640px) {
  .filter-pills-wrap {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 6px;
    padding-top: 2px;
  }
  
  .filter-pills-wrap::-webkit-scrollbar {
    display: none;
  }

  .filter-pill-btn {
    flex-shrink: 0;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
  }

  .search-and-sort-row {
    flex-direction: column;
    gap: 10px;
  }

  .search-input-wrapper,
  .sort-select {
    width: 100%;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-cta-primary, .btn-cta-secondary {
    width: 100%;
    justify-content: center;
    min-height: 46px;
  }
}

@media (max-width: 480px) {
  body {
    padding-bottom: env(safe-area-inset-bottom);
  }

  .header-actions .btn-whatsapp-sm {
    display: none;
  }

  .header-container {
    padding: 10px 14px;
  }

  .brand-title {
    font-size: 0.95rem;
  }

  .brand-subtitle {
    font-size: 0.68rem;
  }

  .brand-logo-img {
    height: 30px;
  }

  .hero-banner {
    padding: 28px 14px 20px;
  }

  .hero-title {
    font-size: 1.55rem;
    line-height: 1.25;
  }

  .stats-strip {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .stat-item {
    padding: 10px 12px;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .product-card {
    padding: 16px;
  }

  .product-card-actions {
    flex-direction: column;
    gap: 8px;
  }

  .card-action-btn,
  .card-coa-btn {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }

  .address-flex {
    flex-direction: column;
    align-items: stretch;
  }

  .address-code-block {
    min-width: 0;
    width: 100%;
    font-size: 0.82rem;
    padding: 8px 10px;
  }

  .btn-copy-address {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }

  .crypto-tab-btn {
    min-height: 44px;
  }

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

  .contact-direct-btn {
    width: 100%;
    min-height: 44px;
    justify-content: center;
  }

  .modal-container,
  .coa-lightbox-container {
    width: 96%;
    max-width: 96%;
    max-height: 92vh;
    padding: 16px;
    margin: 8px auto;
  }

  .modal-close-btn {
    width: 44px;
    height: 44px;
    top: 10px;
    right: 10px;
  }

  .form-actions-row {
    flex-direction: column;
  }

  .btn-order-submit,
  .btn-telegram-order {
    width: 100%;
    min-height: 46px;
    justify-content: center;
  }
}

/* ==========================================================================
   TOP DISCLAIMER DRAWER & TOGGLE (Exact Felix Chemical Supply styling)
   ========================================================================== */
.btn-toggle-disclaimer {
  background: #ffffff;
  border: 1px solid #d1d5db;
  color: #111827;
  font-size: 0.69rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
  white-space: nowrap;
  margin-left: auto;
}

.btn-toggle-disclaimer:hover {
  background: #f3f4f6;
  border-color: #9ca3af;
  color: #000000;
}

.btn-toggle-disclaimer svg {
  stroke: #111827;
}

.top-disclaimer-drawer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, opacity 0.3s ease-out;
  opacity: 0;
  border-top: 1px solid #e5e7eb;
  background: #f9fafb;
  margin-top: 6px;
  padding-top: 0;
  border-radius: var(--radius-xs);
}

.top-disclaimer-drawer.open {
  max-height: 600px;
  opacity: 1;
  padding: 10px 14px;
}

.top-disclaimer-drawer-inner {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 0.72rem;
  line-height: 1.5;
  color: #374151;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.top-disclaimer-drawer-inner p {
  margin: 0;
}

.top-disclaimer-drawer-inner p.lead-bold {
  color: #000000;
  font-weight: 700;
}

/* ==========================================================================
   DEDICATED COMPLIANCE & DISCLAIMER SECTION (Exact Felix Chemical Supply Format)
   ========================================================================== */
.compliance-section {
  margin-bottom: 36px;
}

.compliance-card {
  background: #ffffff;
  border: 1px solid var(--fx-border);
  border-left: 5px solid var(--fx-primary);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow-card);
}

.compliance-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--fx-border);
  flex-wrap: wrap;
}

.compliance-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.compliance-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(94, 178, 230, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fx-navy);
  flex-shrink: 0;
}

.compliance-main-heading {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--fx-navy);
  margin: 0;
}

.compliance-sub-heading {
  font-size: 0.82rem;
  color: var(--fx-text-sub);
  margin: 0;
}

.cfr-badge {
  background: var(--fx-bg-subtle);
  border: 1px solid var(--fx-border);
  color: var(--fx-navy);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.03em;
}

.compliance-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--fx-text-title);
}

.compliance-paragraph {
  margin: 0;
}

.compliance-bold {
  font-weight: 700;
  color: var(--fx-navy);
}

.compliance-citation {
  font-style: italic;
  color: var(--fx-text-sub);
  background: var(--fx-bg-subtle);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--fx-primary);
  margin-top: 4px;
}

/* ==========================================================================
   PRODUCT CARD RICH DETAILS & PRICE (Felix Chemical Supply Exact Details)
   ========================================================================== */
.card-title-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 4px;
}

.card-title-price-row .product-name {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fx-navy);
}

.product-price-tag {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--fx-primary);
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.card-sub-specs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.sku-badge {
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--fx-text-muted);
  background: var(--fx-bg-subtle);
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--fx-border);
  font-family: 'JetBrains Mono', monospace;
}

.spec-pills-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 12px 0;
  padding: 10px;
  background: var(--fx-bg-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid var(--fx-border);
}

.spec-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  color: var(--fx-navy);
  font-weight: 500;
}

.spec-pill svg {
  color: var(--fx-primary);
  flex-shrink: 0;
}

.card-footer-block {
  margin-top: 14px;
}

.card-actions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}

.btn-card-specs {
  background: #ffffff;
  color: var(--fx-navy);
  border: 1px solid var(--fx-border);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-card-specs:hover {
  background: var(--fx-bg-subtle);
  border-color: var(--fx-primary);
  color: var(--fx-primary);
}

.btn-card-inquire-full {
  width: 100%;
  background: var(--fx-bg-subtle);
  color: var(--fx-text-sub);
  border: 1px dashed var(--fx-border);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-card-inquire-full:hover {
  background: #ffffff;
  color: var(--fx-navy);
  border-color: var(--fx-border-dark);
}

/* ==========================================================================
   PRODUCT DETAIL MODAL (Exact Reconstitution, Storage & 21CFR Guidance)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(17, 46, 81, 0.7);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-container {
  background: #ffffff;
  border-radius: var(--radius-md);
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(17, 46, 81, 0.25);
  border: 1px solid var(--fx-border);
  position: relative;
  animation: modalFadeIn 0.2s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--fx-border);
  background: #ffffff;
  color: var(--fx-navy);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  z-index: 10;
}

.modal-close-btn:hover {
  background: var(--fx-bg-subtle);
  color: var(--fx-primary);
}

.modal-product-header {
  padding: 24px 28px 16px;
  border-bottom: 1px solid var(--fx-border);
}

.modal-badge-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.modal-product-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--fx-navy);
  margin: 0 0 8px;
  padding-right: 32px;
}

.modal-product-price-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.modal-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--fx-primary);
}

.modal-quantity-tag {
  font-size: 0.9rem;
  color: var(--fx-text-sub);
  font-weight: 600;
}

.modal-body {
  padding: 20px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.modal-section-box {
  background: var(--fx-bg-subtle);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
}

.modal-section-heading {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--fx-navy);
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.modal-desc-text {
  font-size: 0.84rem;
  color: var(--fx-text-body);
  line-height: 1.55;
  margin: 0;
}

.modal-specs-table {
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.modal-spec-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  padding: 10px 16px;
  font-size: 0.86rem;
  border-bottom: 1px solid var(--fx-border);
}

.modal-spec-row:last-child {
  border-bottom: none;
}

.modal-spec-row:nth-child(even) {
  background: #fafcff;
}

.spec-label {
  font-weight: 600;
  color: var(--fx-text-sub);
}

.spec-value {
  color: var(--fx-navy);
  font-weight: 500;
}

.modal-compliance-box {
  background: #fdfaf3;
  border: 1px solid #f1ddb0;
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: #7a5100;
}

.modal-actions-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 6px;
}

.btn-modal-whatsapp {
  background: var(--fx-primary);
  color: #ffffff !important;
  font-weight: 600;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-modal-whatsapp:hover {
  background: var(--fx-primary-hover);
  color: #ffffff;
}

.btn-modal-inquire {
  background: #ffffff;
  color: var(--fx-navy);
  border: 1px solid var(--fx-border);
  font-weight: 600;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  cursor: pointer;
  transition: var(--transition);
}

.btn-modal-inquire:hover {
  background: var(--fx-bg-subtle);
  border-color: var(--fx-border-dark);
}

@media (max-width: 600px) {
  .modal-spec-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .modal-actions-row {
    grid-template-columns: 1fr;
  }
}



/* ==========================================================================
   CERTIFICATES OF ANALYSIS (COA) SECTION & VIEWER STYLES
   Copied directly from Felix Chemical Supply quality assurance archives
   ========================================================================== */

.coa-section {
  padding: 48px 0 64px;
  border-top: 1px solid var(--fx-border);
  position: relative;
}

.coa-header-box {
  margin-bottom: 24px;
}

.coa-badge-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fx-navy);
  background: rgba(94, 178, 230, 0.15);
  border: 1px solid rgba(94, 178, 230, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}

.coa-trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.coa-trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fx-navy);
  background: #ffffff;
  border: 1px solid var(--fx-border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sm);
}

.coa-toolbar-card {
  background: #ffffff;
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}

.coa-search-row {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.coa-dropdown-group {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.coa-source-note {
  font-size: 0.8rem;
  color: var(--fx-text-sub);
  font-style: italic;
}

.coa-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 20px;
}

.coa-card {
  background: #ffffff;
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.coa-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--fx-primary);
}

.coa-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--fx-border);
  background: #fdfdfd;
}

.badge-lab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

.badge-lab-janoshik {
  background: rgba(40, 167, 69, 0.12);
  color: #1e7e34;
  border: 1px solid rgba(40, 167, 69, 0.25);
}

.badge-lab-chromate {
  background: rgba(94, 178, 230, 0.15);
  color: #0b5394;
  border: 1px solid rgba(94, 178, 230, 0.3);
}

.coa-format-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--fx-text-sub);
  text-transform: uppercase;
  background: #f1f5f9;
  padding: 2px 8px;
  border-radius: 4px;
}

.coa-card-preview {
  height: 190px;
  background: #f8fafc;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-bottom: 1px solid var(--fx-border);
}

.coa-card-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 8px;
  transition: transform 0.25s ease;
}

.coa-card-preview:hover img {
  transform: scale(1.04);
}

.preview-hover-hint {
  position: absolute;
  bottom: 8px;
  background: rgba(17, 46, 81, 0.88);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.coa-card-preview:hover .preview-hover-hint {
  opacity: 1;
}

.pdf-preview {
  flex-direction: column;
  background: #f1f6fb;
}

.pdf-icon-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: #dc2626;
}

.pdf-doc-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: #b91c1c;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.coa-card-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
  gap: 10px;
}

.coa-compound-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fx-navy);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.coa-variant-label {
  font-size: 0.84rem;
  color: var(--fx-text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.coa-batch-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 6px 10px;
}

.batch-code-box {
  display: flex;
  align-items: center;
  gap: 6px;
}

.batch-prefix {
  font-size: 0.72rem;
  color: var(--fx-text-sub);
  font-weight: 600;
  text-transform: uppercase;
}

.batch-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--fx-navy);
}

.coa-date-label {
  font-size: 0.76rem;
  color: var(--fx-text-sub);
  font-weight: 500;
}

.coa-card-actions {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 8px;
  margin-top: 4px;
}

.btn-coa-view {
  background: var(--fx-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 8px 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-coa-view:hover {
  background: var(--fx-navy);
}

.btn-coa-direct {
  background: #ffffff;
  color: var(--fx-navy);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 10px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: var(--transition);
}

.btn-coa-direct:hover {
  background: var(--fx-bg-subtle);
  border-color: var(--fx-border-dark);
}

.coa-pagination-row {
  display: flex;
  justify-content: center;
  margin-top: 32px;
}

.btn-load-more-coas {
  background: #ffffff;
  color: var(--fx-navy);
  border: 1px solid var(--fx-border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 28px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.btn-load-more-coas:hover {
  background: var(--fx-navy);
  color: #ffffff;
  border-color: var(--fx-navy);
}

/* Empty COA State */
.empty-coa-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 24px;
  background: #ffffff;
  border: 1px dashed var(--fx-border-dark);
  border-radius: var(--radius-md);
  color: var(--fx-text-sub);
}

.empty-coa-state svg {
  margin-bottom: 12px;
  color: var(--fx-primary);
}

.empty-coa-state h4 {
  font-size: 1.15rem;
  color: var(--fx-navy);
  margin-bottom: 6px;
}

.empty-coa-state p {
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.btn-secondary-sm {
  background: #ffffff;
  color: var(--fx-navy);
  border: 1px solid var(--fx-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary-sm:hover {
  background: var(--fx-bg-subtle);
}

/* Product Card COA Badge */
.card-coa-btn {
  background: #eef7fc;
  color: #0b5394;
  border: 1px solid #cce5f7;
  border-radius: 20px;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 3px 10px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  transition: var(--transition);
}

.card-coa-btn:hover {
  background: #0b5394;
  color: #ffffff;
  border-color: #0b5394;
}

/* Modal COA Box inside Product Specs Modal */
.modal-coa-archive-box {
  background: #f0f7fc;
  border: 1px solid #d0e7f7;
  border-radius: var(--radius-sm);
  padding: 16px;
  margin: 16px 0;
}

.modal-coa-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}

.modal-coa-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--fx-navy);
}

.modal-coa-badge-source {
  font-size: 0.75rem;
  font-weight: 700;
  color: #1e7e34;
  background: rgba(40, 167, 69, 0.12);
  padding: 3px 8px;
  border-radius: 4px;
}

.modal-coa-subtext {
  font-size: 0.82rem;
  color: var(--fx-text-sub);
  margin-bottom: 12px;
}

.modal-coa-chips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  max-height: 240px;
  overflow-y: auto;
  padding-right: 4px;
}

.modal-coa-chip {
  background: #ffffff;
  border: 1px solid #cfe2f3;
  border-radius: 6px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: var(--transition);
}

.modal-coa-chip:hover {
  border-color: var(--fx-primary);
  background: #eaf3fb;
  transform: translateY(-1px);
}

.chip-main {
  display: flex;
  flex-direction: column;
}

.chip-batch-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--fx-navy);
}

.chip-date {
  font-size: 0.72rem;
  color: var(--fx-text-sub);
}

.btn-chip-preview {
  background: var(--fx-primary);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.modal-coa-chip:hover .btn-chip-preview {
  background: var(--fx-navy);
}

/* COA Lightbox Modal */
.coa-lightbox-container {
  background: #ffffff;
  border-radius: 12px;
  width: 95%;
  max-width: 980px;
  max-height: 94vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  position: relative;
  animation: modalFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.coa-lightbox-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid var(--fx-border);
  background: #ffffff;
  gap: 16px;
}

.coa-header-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.coa-lab-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #1e7e34;
  background: rgba(40, 167, 69, 0.12);
  padding: 2px 8px;
  border-radius: 4px;
  width: fit-content;
  margin-bottom: 4px;
}

.coa-lightbox-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fx-navy);
  margin: 0;
}

.coa-lightbox-meta {
  font-size: 0.82rem;
  color: var(--fx-text-sub);
}

.coa-lightbox-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-coa-download {
  background: var(--fx-primary);
  color: #ffffff !important;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-coa-download:hover {
  background: var(--fx-navy);
}

.coa-lightbox-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #0b1523;
  min-height: 480px;
}

.lightbox-img-container {
  max-width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.lightbox-full-img {
  max-width: 100%;
  max-height: calc(90vh - 120px);
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  background: #ffffff;
}

.lightbox-pdf-container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.lightbox-pdf-frame {
  width: 100%;
  height: calc(88vh - 140px);
  min-height: 520px;
  border: none;
  border-radius: 6px;
  background: #ffffff;
}

.lightbox-pdf-fallback {
  color: #cbd5e1;
  font-size: 0.85rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

@media (max-width: 768px) {
  .coa-search-row {
    flex-direction: column;
    align-items: stretch;
  }
  .coa-dropdown-group {
    flex-direction: column;
  }
  .coa-lightbox-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .coa-lightbox-actions {
    width: 100%;
    justify-content: space-between;
    margin-top: 10px;
  }
}


/* ==========================================================================
   PURCHASE OPTIONS SECTION (Above Products)
   ========================================================================== */
.purchase-options-section {
  margin-bottom: 48px;
}