:root {
  --primary: #1B6EC7;
  --primary-dark: #1455A0;
  --primary-light: #E8F1FA;
  --accent: #F0B90B;
  --gray-50: #F8F9FA;
  --gray-100: #F0F0F0;
  --text-primary: #1A1A2E;
  --text-secondary: #6B7280;
  --border: #eee;
  --border-light: #ddd;
  --border-row: #f5f5f5;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
}

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

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  background: var(--gray-50);
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.navbar {
  border-bottom: 1px solid var(--border);
  padding: .75rem 0;
  background: #fff;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.navbar-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.navbar-end {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.navbar-end a {
  font-size: .9rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
}
.navbar-end a:hover {
  color: var(--primary);
}

/* Hero */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(160deg, #fff 0%, var(--gray-50) 100%);
}
.hero .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}
.hero-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 3rem;
  align-items: center;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin: 0 0 .75rem;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Search Card */
.search-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  max-width: 680px;
}
.search-input-group {
  display: flex;
  box-shadow: var(--shadow-sm);
  border-radius: 12px;
}
.search-input-group:focus-within {
  box-shadow: 0 0 0 3px rgba(27,110,199,0.20);
}
.search-input-prefix {
  display: flex;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border-light);
  border-right: none;
  border-radius: 12px 0 0 12px;
  padding: 0 0 0 1rem;
}
.search-input-prefix select {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: .85rem;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  min-width: 110px;
  padding: .35rem 0;
  font-family: inherit;
}
.search-input-group input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--border-light);
  border-left: none;
  border-right: none;
  padding: .75rem 1rem;
  font-size: 1rem;
  outline: none;
  font-family: inherit;
}
.search-input-group input::placeholder {
  color: #bbb;
}
.search-input-group .btn-search {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 0 12px 12px 0;
  padding: .75rem 1.75rem;
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}
.search-input-group .btn-search:hover {
  background: var(--primary-dark);
}

/* Quick Links */
.quick-links {
  margin-top: 1.25rem;
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}
.quick-links a {
  font-size: .8rem;
  color: var(--text-secondary);
  text-decoration: none;
  padding: .35rem .85rem;
  background: var(--gray-50);
  border-radius: 20px;
  transition: all .15s;
}
.quick-links a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* Stats */
.stats-row {
  margin-top: 3rem;
  display: flex;
  gap: 3rem;
}
.stat-item h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}
.stat-item p {
  font-size: .85rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Decorative Illustration */
.hero-illustration {
  text-align: center;
}
.hero-illustration img,
.hero-illustration svg {
  max-width: 100%;
  height: auto;
}

/* KPI Row */
.kpi-row {
  display: flex;
  gap: 2rem;
  margin-top: 1rem;
}
.kpi-item h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
}
.kpi-item p {
  font-size: .8rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Card */
.card-itrade {
  background: #fff;
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.card-itrade:hover {
  box-shadow: var(--shadow-md);
}
.card-itrade h5 {
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-secondary);
  margin: 0 0 1rem;
}

/* Table in Card */
.table-card table {
  margin: 0;
  font-size: .85rem;
  width: 100%;
  border-collapse: collapse;
}
.table-card thead th {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  padding: .5rem;
  text-align: left;
  background: none;
}
.table-card tbody td {
  border-bottom: 1px solid var(--border-row);
  padding: .6rem .5rem;
  vertical-align: middle;
}
.table-card tbody tr:hover {
  background: var(--gray-50);
}
.table-card tbody tr:last-child td {
  border-bottom: none;
}
.table-card a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
}
.table-card a:hover {
  color: var(--primary);
}

/* Badges */
.badge-role {
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  padding: .2rem .6rem;
  border-radius: 4px;
  white-space: nowrap;
  display: inline-block;
}
.badge-role.buyer {
  background: var(--primary-light);
  color: var(--primary);
}
.badge-role.supplier {
  background: #FFF3E0;
  color: #E65100;
}
.badge-entity {
  background: var(--primary-light);
  color: var(--primary);
  font-size: .7rem;
  font-weight: 600;
  padding: .2rem .6rem;
  border-radius: 4px;
  margin-left: .75rem;
  vertical-align: middle;
  white-space: nowrap;
  display: inline-block;
}

/* Pagination */
.pagination-itrade {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 2px;
  list-style: none;
  padding: 0;
}
.pagination-itrade a,
.pagination-itrade span {
  border: none;
  color: var(--text-secondary);
  font-size: .9rem;
  padding: .4rem .85rem;
  border-radius: 6px;
  text-decoration: none;
}
.pagination-itrade a:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.pagination-itrade .active span {
  background: var(--primary);
  color: #fff;
}
.pagination-itrade .disabled span {
  opacity: .4;
}

/* Sidebar Card */
.sidebar-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.sidebar-card h6 {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-secondary);
  margin: 0 0 .75rem;
}
.sidebar-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: .85rem;
}
.sidebar-card ul li {
  padding: .4rem 0;
  border-bottom: 1px solid var(--border-row);
}
.sidebar-card ul li:last-child {
  border-bottom: none;
}
.sidebar-card ul li a {
  color: var(--text-primary);
  text-decoration: none;
}
.sidebar-card ul li a:hover {
  color: var(--primary);
}
.sidebar-card .count {
  float: right;
  color: var(--text-secondary);
  font-size: .8rem;
}

/* Product Tags */
.product-tags {
  display: flex;
  gap: .3rem;
  flex-wrap: wrap;
  margin-top: .25rem;
}
.product-tags span {
  background: var(--gray-50);
  font-size: .7rem;
  padding: .1rem .45rem;
  border-radius: 3px;
  color: var(--text-secondary);
}

/* Match Index */
.match-index {
  color: var(--primary);
  font-weight: 600;
}

/* Chart Placeholder */
.chart-placeholder {
  background: var(--gray-50);
  border-radius: 8px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: .85rem;
}

/* Top Bar (search/company pages) */
.top-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: .75rem 0;
}
.top-bar .container {
  display: flex;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.top-bar-brand {
  margin-right: 1.5rem;
  display: flex;
  align-items: center;
  text-decoration: none;
}
.top-bar .search-input-group {
  max-width: 520px;
  flex: 1;
}
.top-bar .search-input-group select {
  min-width: 110px;
  font-size: .8rem;
  padding: .4rem .75rem;
}
.top-bar .search-input-group input {
  padding: .5rem .75rem;
  font-size: .9rem;
}
.top-bar .search-input-group .btn-search {
  padding: .5rem 1.25rem;
  font-size: .85rem;
}

/* Company Header */
.company-header {
  background: #fff;
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 2rem 1.5rem 1.5rem;
  margin-bottom: 1.25rem;
}
.company-header .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.company-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
}
.company-header .sub {
  font-size: .9rem;
  color: var(--text-secondary);
  margin-top: .35rem;
}

/* Content Grid */
.content-grid {
  max-width: 1200px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.25rem;
}

/* Search Layout */
.search-layout {
  display: flex;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
}
.search-page-searchbox {
  max-width: 1200px;
  margin: 1rem auto 0;
  padding: 0 1.5rem;
}
.search-sidebar {
  width: 220px;
  flex-shrink: 0;
}
.search-main {
  flex: 1;
  min-width: 0;
}
.search-result-count {
  font-size: .9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Filter Card */
.filter-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.filter-card h6 {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-secondary);
  margin-bottom: .75rem;
}
.filter-card label {
  font-size: .9rem;
}

/* Result Card */
.result-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1.25rem 1.5rem;
  margin-bottom: .75rem;
  transition: box-shadow .15s;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.result-card:hover {
  box-shadow: var(--shadow-md);
}
.result-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 .2rem;
}
.result-card h3 a {
  color: var(--text-primary);
  text-decoration: none;
}
.result-card h3 a:hover {
  color: var(--primary);
}
.result-card p {
  font-size: .85rem;
  color: var(--text-secondary);
  margin: 0;
}
.result-card .meta {
  font-size: .8rem;
  color: var(--text-secondary);
  margin-left: auto;
  white-space: nowrap;
}

/* Footer */
.site-footer {
  background: var(--gray-50);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: 3rem;
}
.site-footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.site-footer .copyright {
  font-size: .8rem;
  color: var(--text-secondary);
}
.site-footer .footer-links {
  display: flex;
  gap: 1.5rem;
}
.site-footer .footer-links a {
  font-size: .8rem;
  color: var(--text-secondary);
  text-decoration: none;
}
.site-footer .footer-links a:hover {
  color: var(--primary);
}
.site-footer .footer-social {
  display: flex;
  gap: .75rem;
}
.site-footer .footer-social a {
  color: var(--text-secondary);
  font-size: 1rem;
  text-decoration: none;
}
.site-footer .footer-social a:hover {
  color: var(--primary);
}

/* Buttons */
.btn-outline-primary-custom {
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
  padding: .4rem .85rem;
  font-size: .85rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
}
.btn-outline-primary-custom:hover {
  background: var(--primary-light);
}

/* Filter Badge (for checkbox counts) */
.filter-badge {
  float: right;
  color: var(--text-secondary);
  font-size: .85rem;
}

/* django-bootstrap4 → Bootstrap 5 compatibility */
.auth-form .form-group {
  margin-bottom: 1rem;
}
.auth-form .control-label {
  font-weight: 500;
  margin-bottom: .25rem;
  display: inline-block;
}
.auth-form .help-block {
  font-size: .875rem;
  color: var(--text-secondary);
  margin-top: .25rem;
}
.auth-form .alert-block .alert {
  font-size: .85rem;
  padding: .5rem .75rem;
  margin-bottom: .75rem;
  border-radius: 6px;
}
.auth-form .alert-danger {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}
.auth-form .alert-info {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid #bfdbfe;
}

/* Auth nav pills */
.auth-nav .nav-link {
  font-size: .85rem;
  color: var(--text-secondary);
  padding: .4rem .85rem;
  border-radius: 6px;
}
.auth-nav .nav-link:hover {
  background: var(--gray-50);
  color: var(--text-primary);
}
.auth-nav .nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--border-light);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
}
.empty-state i {
  font-size: 2.5rem;
  color: var(--border-light);
  margin-bottom: 1rem;
}
.empty-state p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0;
}
.empty-state .hint {
  font-size: .85rem;
  color: var(--text-secondary);
  margin-top: .5rem;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Collapsible table/list toggle */
.table-collapse-wrap {
  position: relative;
}
.table-collapse-wrap h5,
.table-collapse-wrap h6 {
  display: inline-block;
}
.table-collapse-wrap .toggle-btn {
  float: right;
  background: none;
  border: none;
  vertical-align: baseline;
  color: var(--primary);
  font-size: .8rem;
  font-weight: 500;
  cursor: pointer;
  padding: .25rem .5rem;
}
.table-collapse-wrap .toggle-btn:hover {
  text-decoration: underline;
}
.table-collapse-wrap.collapsed .collapse-extra {
  display: none;
}
.table-collapse-wrap .collapse-fade-more {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3rem;
  background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,1));
  pointer-events: none;
  display: none;
}
.table-collapse-wrap.collapsed .collapse-fade-more {
  display: block;
}
.table-collapse-wrap.collapsed .collapse-strip {
  opacity: .35;
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero {
    min-height: auto;
    padding: 3rem 0;
  }
  .content-grid {
    grid-template-columns: 1fr;
  }
  .search-layout {
    flex-direction: column;
  }
  .search-sidebar {
    width: 100%;
  }
}
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  .search-card {
    padding: 1.25rem;
  }
  .stats-row {
    gap: 1.5rem;
    flex-wrap: wrap;
  }
  .kpi-row {
    gap: 1.25rem;
    flex-wrap: wrap;
  }
  .site-footer .container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  .search-input-group {
    flex-wrap: wrap;
    border-radius: 8px;
  }
  .search-input-prefix {
    width: 100%;
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    border-radius: 8px 8px 0 0;
  }
  .search-input-prefix select {
    width: 100%;
    padding: .65rem .75rem;
    font-size: .9rem;
  }
  .search-input-group input {
    width: 100%;
    flex: none;
    padding: .65rem .75rem;
    font-size: .9rem;
    border: 1px solid var(--border-light);
    border-top: none;
    border-left: 1px solid var(--border-light);
    border-right: 1px solid var(--border-light);
    border-radius: 0;
  }
  .search-input-group .btn-search {
    width: 100%;
    flex: none;
    padding: .65rem .75rem;
    font-size: .9rem;
    border-radius: 0 0 8px 8px;
  }
}