/* ===== CSS Custom Properties ===== */
:root {
  --color-primary: #1a56db;
  --color-primary-hover: #1444b0;
  --color-accent: #059669;
  --color-accent-bg: #ecfdf5;
  --color-bg: #f3f4f6;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-text: #111827;
  --color-text-secondary: #6b7280;
  --color-text-tertiary: #9ca3af;
  --color-tag-bg: #f3f4f6;
  --color-footer-bg: #1f2937;
  --color-footer-text: #d1d5db;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 4px 12px rgba(0,0,0,0.1), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-dropdown: 0 10px 25px rgba(0,0,0,0.12);
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-weight: 500;
  border-radius: var(--radius-md);
  padding: 10px 20px;
  font-size: 14px;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-primary-hover);
  text-decoration: none;
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--outline:hover {
  background: rgba(26, 86, 219, 0.05);
  text-decoration: none;
}

.btn--sm {
  padding: 7px 14px;
  font-size: 13px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 64px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  height: 36px;
  width: auto;
}

.logo:hover {
  text-decoration: none;
}

.main-nav {
  flex: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  text-decoration: none;
}

.nav-link:hover {
  color: var(--color-text);
  background: var(--color-tag-bg);
  text-decoration: none;
}

.nav-link .chevron {
  font-size: 10px;
  transition: transform var(--transition);
}

.has-dropdown:hover .chevron {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-dropdown);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
}

.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 8px 16px;
  color: var(--color-text-secondary);
  font-size: 14px;
  transition: all var(--transition);
}

.dropdown-menu li a:hover {
  background: var(--color-tag-bg);
  color: var(--color-text);
  text-decoration: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.mobile-auth-link {
  display: none !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  width: 32px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== Search Hero ===== */
.search-hero {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0 40px;
  text-align: center;
}

.search-hero h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.search-subtitle {
  color: var(--color-text-secondary);
  font-size: 16px;
  margin-bottom: 28px;
}

.search-bar {
  display: flex;
  align-items: center;
  max-width: 680px;
  margin: 0 auto 24px;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition);
}

.search-bar:focus-within {
  border-color: var(--color-primary);
}

.search-icon {
  margin-left: 16px;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.search-bar input {
  flex: 1;
  border: none;
  outline: none;
  padding: 14px 12px;
  font-size: 15px;
  background: transparent;
  color: var(--color-text);
}

.search-bar input::placeholder {
  color: var(--color-text-tertiary);
}

.search-bar .btn {
  margin: 4px;
  border-radius: var(--radius-md);
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  max-width: 800px;
  margin: 0 auto;
}

.category-pill {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-tag-bg);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.category-pill:hover,
.category-pill.active {
  color: var(--color-primary);
  background: rgba(26, 86, 219, 0.08);
  border-color: var(--color-primary);
}

/* ===== Main Layout ===== */
.main-content {
  padding: 28px 0 60px;
}

.main-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: start;
}

.mobile-filter-btn {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  grid-column: 1 / -1;
}

.filter-count-badge {
  background: var(--color-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: var(--radius-full);
}

/* ===== Sidebar ===== */
.sidebar-overlay {
  display: none;
}

.filters-sidebar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: sticky;
  top: 88px;
}

.filters-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}

.filters-header h2 {
  font-size: 15px;
  font-weight: 600;
}

.clear-all-btn {
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 500;
}

.clear-all-btn:hover {
  text-decoration: underline;
}

.sidebar-close-btn {
  display: none;
  font-size: 22px;
  color: var(--color-text-secondary);
  padding: 0 4px;
}

/* Filter Sections */
.filter-section {
  border-bottom: 1px solid var(--color-border);
}

.filter-section:last-child {
  border-bottom: none;
}

.filter-section__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-align: left;
}

.filter-section__toggle .chevron {
  font-size: 10px;
  transition: transform var(--transition);
  color: var(--color-text-tertiary);
}

.filter-section.is-collapsed .filter-section__toggle .chevron {
  transform: rotate(-90deg);
}

.filter-badge {
  display: none;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(26, 86, 219, 0.1);
  padding: 1px 7px;
  border-radius: var(--radius-full);
  text-transform: none;
  letter-spacing: 0;
}

.filter-badge.visible {
  display: inline-block;
}

.filter-section__body {
  padding: 0 20px 16px;
  max-height: 500px;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.filter-section.is-collapsed .filter-section__body {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
}

.filter-search {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 10px;
  outline: none;
  transition: border-color var(--transition);
}

.filter-search:focus {
  border-color: var(--color-primary);
}

.filter-list {
  max-height: 240px;
  overflow-y: auto;
}

.filter-list::-webkit-scrollbar {
  width: 4px;
}

.filter-list::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.filter-list li {
  margin-bottom: 2px;
}

.filter-list li.hidden-by-search {
  display: none;
}

.filter-list li.hidden-by-more {
  display: none;
}

.filter-list label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 4px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--color-text-secondary);
  transition: all var(--transition);
}

.filter-list label:hover {
  color: var(--color-text);
  background: var(--color-tag-bg);
}

.filter-list input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  cursor: pointer;
}

.show-more-btn {
  font-size: 13px;
  color: var(--color-primary);
  font-weight: 500;
  padding: 6px 0;
  margin-top: 4px;
}

.show-more-btn:hover {
  text-decoration: underline;
}

/* ===== Results Area ===== */
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.results-count {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.results-sort {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.results-sort select {
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  outline: none;
  cursor: pointer;
}

/* ===== Cards Grid ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.results-area {
  min-width: 0;
  overflow: hidden;
}

/* ===== Dataset Card ===== */
.dataset-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), border-color var(--transition);
}

.dataset-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: #d1d5db;
}

.dataset-card__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.dataset-card__category {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-tag-bg);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.dataset-card__sample-badge {
  margin-left: auto;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-accent);
  background: var(--color-accent-bg);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.dataset-card__sample-badge--premium {
  color: var(--color-primary);
  background: #e8f0fe;
}

.dataset-card__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.4;
  cursor: pointer;
  transition: color var(--transition);
}

.dataset-card__title:hover {
  color: var(--color-primary);
}

.dataset-card__description {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.dataset-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 500;
  background: var(--color-tag-bg);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
}

.tag--more {
  color: var(--color-text-tertiary);
  font-weight: 400;
}

.dataset-card__countries {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 16px;
}

.country-badge {
  display: inline-block;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-primary);
  border: 1px solid rgba(26, 86, 219, 0.2);
  border-radius: var(--radius-sm);
  background: rgba(26, 86, 219, 0.04);
}

.dataset-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--color-border-light);
}

.dataset-card__pricing {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
}

.empty-state svg {
  margin-bottom: 20px;
  opacity: 0.6;
}

.empty-state h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.empty-state p {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-col h3 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-col p {
  font-size: 14px;
  line-height: 1.7;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  color: var(--color-footer-text);
  font-size: 14px;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: #fff;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: var(--color-text-tertiary);
}

/* ===== Product Page ===== */
.product-page {
  padding: 0 0 60px;
}

.breadcrumbs {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

.breadcrumbs .container {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-tertiary);
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumbs .separator {
  color: var(--color-text-tertiary);
}

.breadcrumbs .current {
  color: var(--color-text);
  font-weight: 500;
}

/* Product Hero */
.product-hero {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 32px 0 36px;
}

.product-hero h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
  margin-bottom: 10px;
}

.product-hero__description {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 800px;
}

.product-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 500;
  background: var(--color-tag-bg);
  color: var(--color-text-secondary);
  border-radius: var(--radius-full);
}

.meta-badge svg {
  width: 14px;
  height: 14px;
  opacity: 0.6;
}

.product-hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  padding: 32px 0;
  align-items: start;
}

/* Product Sections */
.product-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
}

.product-section:last-child {
  margin-bottom: 0;
}

.product-section__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

.product-section__text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  white-space: pre-line;
}

/* Data Schema Table */
.data-schema-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-schema-table thead {
  background: var(--color-tag-bg);
}

.data-schema-table th {
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  color: var(--color-text);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--color-border);
}

.data-schema-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
}

.data-schema-table tr:last-child td {
  border-bottom: none;
}

.data-schema-table .field-name {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12px;
  color: var(--color-primary);
  background: rgba(26, 86, 219, 0.06);
  padding: 2px 6px;
  border-radius: 3px;
}

.data-schema-table .type-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-tag-bg);
  color: var(--color-text-secondary);
}

.data-schema-table .example-value {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12px;
  color: var(--color-text-tertiary);
}

/* Coverage Badges (product page) */
.coverage-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.coverage-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

/* Use Cases */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.use-case-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px;
  background: var(--color-tag-bg);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.4;
}

.use-case-card__icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 1px;
}

/* Attributes Tags (product page) */
.attributes-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* Sidebar Cards */
.sidebar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 20px;
}

.sidebar-card:last-child {
  margin-bottom: 0;
}

.sidebar-card__title {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-tertiary);
  margin-bottom: 16px;
}

/* CTA Card */
.cta-card {
  background: linear-gradient(135deg, #f0f5ff 0%, #e8f0fe 100%);
  border-color: rgba(26, 86, 219, 0.15);
}

.cta-card__pricing {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.cta-card__pricing-note {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.cta-card .btn {
  width: 100%;
  margin-bottom: 10px;
}

.cta-card .btn:last-child {
  margin-bottom: 0;
}

.cta-card__sample {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
  margin-top: 12px;
}

.cta-card__sample--premium {
  color: var(--color-primary);
}

/* Key Facts */
.key-facts-list {
  list-style: none;
}

.key-facts-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border-light);
  font-size: 13px;
}

.key-facts-list li:last-child {
  border-bottom: none;
}

.key-facts-list .fact-label {
  color: var(--color-text-secondary);
}

.key-facts-list .fact-value {
  font-weight: 600;
  color: var(--color-text);
}

/* Delivery Formats */
.delivery-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.delivery-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  background: var(--color-tag-bg);
  color: var(--color-text);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.delivery-badge--download {
  cursor: pointer;
  text-decoration: none;
  color: var(--color-primary);
  border-color: var(--color-primary);
  transition: background 0.2s, color 0.2s;
}

.delivery-badge--download:hover {
  background: var(--color-primary);
  color: #fff;
}

.delivery-badge--disabled {
  opacity: 0.45;
  cursor: default;
  border-style: dashed;
  position: relative;
}

.delivery-badge--disabled .delivery-badge__tooltip {
  display: none;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: #f1f5f9;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 400;
  white-space: nowrap;
  z-index: 50;
  pointer-events: auto;
  line-height: 1.5;
}

.delivery-badge--disabled .delivery-badge__tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #1e293b;
}

.delivery-badge--disabled .delivery-badge__tooltip a {
  color: #60a5fa;
  text-decoration: underline;
  font-weight: 500;
}

.delivery-badge--disabled .delivery-badge__tooltip a:hover {
  color: #93bbfd;
}

.delivery-badge--disabled:hover .delivery-badge__tooltip {
  display: block;
}

/* Delivery Methods */
.delivery-methods-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.delivery-method-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.delivery-method-item:hover {
  border-color: var(--color-primary);
  background: rgba(37, 99, 235, 0.05);
  color: var(--color-primary);
}

.delivery-method-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Documentation Page */
.docs-method-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 32px;
}

.docs-method-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.2s;
}

.docs-method-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.docs-method-pill--active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.docs-method-section {
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 80px;
}

.docs-method-section:last-of-type {
  border-bottom: none;
}

.docs-method-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-heading);
  display: flex;
  align-items: center;
  gap: 10px;
}

.docs-method-section h2 svg {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.docs-method-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 20px 0 10px;
  color: var(--color-heading);
}

.docs-method-section p,
.docs-method-section li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-light);
}

.docs-method-section ul,
.docs-method-section ol {
  padding-left: 24px;
  margin: 8px 0 16px;
}

.docs-method-section li {
  margin-bottom: 6px;
}

.docs-method-section pre {
  background: #f6f8fa;
  padding: 16px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
  margin: 12px 0 20px;
  border: 1px solid var(--color-border);
}

.docs-method-section code {
  background: #f6f8fa;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.docs-cta {
  text-align: center;
  padding: 48px 0;
  margin-top: 16px;
}

.docs-cta h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-heading);
}

.docs-cta p {
  font-size: 16px;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

/* ===== About Page ===== */
.about-page {
  min-height: 60vh;
}

.about-hero {
  background: linear-gradient(135deg, #1e3a5f 0%, var(--color-primary) 100%);
  color: #fff;
  padding: 60px 0 50px;
  text-align: center;
}

.about-hero h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.about-hero__subtitle {
  font-size: 17px;
  line-height: 1.7;
  max-width: 720px;
  margin: 0 auto;
  opacity: 0.9;
}

.about-section {
  padding: 40px 0;
  border-bottom: 1px solid var(--color-border);
}

.about-section--last {
  border-bottom: none;
  padding-bottom: 60px;
}

.about-section__title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}

.about-section__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  max-width: 800px;
}

.about-section__text--muted {
  font-style: italic;
  color: var(--color-text-tertiary);
}

/* Coverage list */
.about-coverage-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.about-coverage-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--color-text);
  padding: 10px 16px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.about-coverage-list li svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Mission & Vision */
.about-mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.about-mission-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
}

.about-mission-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e8f0fe, #dbeafe);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.about-mission-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text);
}

.about-mission-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

/* Values Grid */
.about-values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 20px;
}

.about-value-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.about-value-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.about-value-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-tag-bg);
  color: var(--color-primary);
  margin-bottom: 14px;
}

.about-value-card h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.about-value-card p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

/* Who We Serve */
.about-serve-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.about-serve-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  transition: box-shadow var(--transition);
}

.about-serve-item:hover {
  box-shadow: var(--shadow-card);
}

.about-serve-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.contact-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.contact-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

.contact-field .required {
  color: #e53e3e;
}

.contact-field input,
.contact-field select,
.contact-field textarea {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-field input:focus,
.contact-field select:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.contact-field textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-submit {
  align-self: flex-start;
  padding: 12px 32px;
  font-size: 15px;
}

.contact-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.contact-feedback {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
}

.contact-feedback--success {
  background: var(--color-accent-bg);
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.contact-feedback--error {
  background: #fef2f2;
  color: #e53e3e;
  border: 1px solid #fecaca;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-info-panel {
  background: rgba(37, 99, 235, 0.05);
  border-left: 4px solid var(--color-primary);
  border-radius: 12px;
  padding: 32px;
}

.contact-info-panel__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.contact-info-panel__subtitle {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.contact-info-panel__items {
  display: flex;
  flex-direction: column;
}

.contact-info-panel__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
}

.contact-info-panel__item + .contact-info-panel__item {
  border-top: 1px solid rgba(0, 0, 0, 0.07);
}

.contact-info-panel__item > svg {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.contact-info-panel__label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.contact-info-panel__item a {
  font-size: 15px;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.contact-info-panel__item a:hover {
  text-decoration: underline;
}

.contact-info-panel__item p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.5;
  margin: 0;
}

.contact-info-panel__footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(0, 0, 0, 0.07);
  font-size: 13px;
  color: var(--color-text-secondary);
}

.contact-info-panel__footer svg {
  flex-shrink: 0;
  color: var(--color-text-secondary);
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
  .contact-row { grid-template-columns: 1fr; }
  .delivery-methods-grid { grid-template-columns: 1fr; }
  .docs-method-section h2 { font-size: 20px; }
  .docs-cta { padding: 32px 0; }
}

/* ===== Use Cases Page ===== */
.uc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.uc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow var(--transition), transform var(--transition);
}

.uc-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.uc-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #e8f0fe, #dbeafe);
  color: var(--color-primary);
  margin-bottom: 16px;
}

.uc-card__title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.uc-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

.uc-card__sub {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.uc-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.uc-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text);
}

.uc-card__list li svg {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== Pricing Page ===== */
.pricing-tiers {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.pricing-tier {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}

.pricing-tier:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.pricing-tier__header {
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pricing-tier--free .pricing-tier__header {
  background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
}

.pricing-tier--premium .pricing-tier__header {
  background: linear-gradient(135deg, #e8f0fe, #dbeafe);
}

.pricing-tier__header h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
}

.pricing-tier__badge {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.pricing-tier__badge--free {
  background: #2e7d32;
  color: #fff;
}

.pricing-tier__badge--premium {
  background: var(--color-primary);
  color: #fff;
}

.pricing-tier__desc {
  padding: 20px 28px 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.pricing-tier__features {
  list-style: none;
  padding: 16px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.pricing-tier__features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
}

.pricing-tier--free .pricing-tier__features li svg { color: #2e7d32; }
.pricing-tier--premium .pricing-tier__features li svg { color: var(--color-primary); }

.pricing-tier__features li svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-tier__cta {
  display: block;
  text-align: center;
  margin: 0 28px 24px;
  padding: 12px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.pricing-tier__cta--free {
  background: #2e7d32;
  color: #fff;
}
.pricing-tier__cta--free:hover { background: #1b5e20; }

.pricing-tier__cta--premium {
  background: var(--color-primary);
  color: #fff;
}
.pricing-tier__cta--premium:hover { background: #1545b0; }

/* Delivery grid */
.pricing-delivery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.pricing-delivery-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.pricing-delivery-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #e8f0fe, #dbeafe);
  color: var(--color-primary);
  flex-shrink: 0;
}

.pricing-delivery-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.pricing-delivery-item p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Customization cards */
.pricing-custom-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.pricing-custom-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
}

.pricing-custom-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.pricing-custom-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}

.pricing-custom-card__badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.pricing-custom-card__badge--free {
  background: #e8f5e9;
  color: #2e7d32;
}

.pricing-custom-card__badge--custom {
  background: #fff3e0;
  color: #e65100;
}

/* About + Use Cases + Pricing responsive */
@media (max-width: 768px) {
  .about-hero { padding: 40px 0 30px; }
  .about-hero h1 { font-size: 26px; }
  .about-hero__subtitle { font-size: 15px; padding: 0 16px; }
  .about-mission-grid { grid-template-columns: 1fr; }
  .about-values-grid { grid-template-columns: 1fr 1fr; }
  .about-serve-grid { grid-template-columns: 1fr; }
  .uc-grid { grid-template-columns: 1fr; }
  .pricing-tiers { grid-template-columns: 1fr; }
  .pricing-delivery-grid { grid-template-columns: 1fr; }
  .pricing-custom-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .about-values-grid { grid-template-columns: 1fr; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .main-grid {
    grid-template-columns: 260px 1fr;
    gap: 20px;
  }

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

  .search-hero h1 {
    font-size: 26px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .product-grid {
    grid-template-columns: 1fr 300px;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .header-container {
    gap: 12px;
  }

  .main-nav {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px;
    z-index: 90;
    box-shadow: var(--shadow-dropdown);
  }

  .main-nav.open {
    display: block;
  }

  .main-nav .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .main-nav .nav-link {
    width: 100%;
    padding: 12px;
  }

  .has-dropdown .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 16px;
    display: none;
  }

  .has-dropdown.open .dropdown-menu {
    display: block;
  }

  .hamburger {
    display: flex;
  }

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

  .header-actions .header-user-name {
    display: none;
  }

  .nav-link--primary {
    color: var(--color-primary) !important;
    font-weight: 600;
  }

  .mobile-auth-link {
    display: list-item !important;
    border-top: 1px solid var(--color-border-light);
  }

  .mobile-auth-link:first-of-type {
    margin-top: 8px;
    padding-top: 8px;
  }

  .search-hero {
    padding: 32px 0 28px;
  }

  .search-hero h1 {
    font-size: 22px;
  }

  .search-subtitle {
    font-size: 14px;
  }

  .search-bar {
    flex-wrap: nowrap;
  }

  .search-bar input {
    padding: 12px 8px;
    font-size: 14px;
  }

  .category-pills {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .category-pill {
    flex-shrink: 0;
  }

  .main-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .mobile-filter-btn {
    display: flex;
  }

  .sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
  }

  .sidebar-overlay.visible {
    display: block;
  }

  .filters-sidebar {
    position: fixed;
    top: 0;
    left: -320px;
    width: 300px;
    height: 100vh;
    z-index: 210;
    border-radius: 0;
    border: none;
    overflow-y: auto;
    transition: left 0.3s ease;
  }

  .filters-sidebar.open {
    left: 0;
  }

  .sidebar-close-btn {
    display: block;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .results-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .product-hero h1 {
    font-size: 22px;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .data-schema-table {
    font-size: 12px;
  }

  .data-schema-table th,
  .data-schema-table td {
    padding: 8px 10px;
  }
}

/* ===== Auth / Sign In Page ===== */

.auth-card {
  max-width: 480px;
  margin: 40px auto 60px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
}

.auth-tab {
  flex: 1;
  padding: 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}

.auth-tab:hover {
  color: var(--color-text);
}

.auth-tab--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.auth-form {
  padding: 28px;
}

.auth-field {
  margin-bottom: 20px;
}

.auth-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.auth-field input {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), box-shadow var(--transition);
  box-sizing: border-box;
}

.auth-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.auth-submit {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  margin-top: 4px;
}

.auth-feedback {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.auth-feedback--success {
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.auth-feedback--error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Header user name */
.header-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
}

/* Locked delivery badge */
.delivery-badge--locked {
  opacity: 0.7;
  position: relative;
}

.delivery-badge--locked:hover {
  opacity: 1;
}

@media (max-width: 768px) {
  .auth-card {
    margin: 20px auto 40px;
    border-radius: var(--radius-md);
  }

  .auth-form {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .search-hero h1 {
    font-size: 18px;
  }

  .dataset-card {
    padding: 16px;
  }

  .container {
    padding: 0 16px;
  }
}

/* ===== Account Page ===== */

.account-layout {
  display: flex;
  gap: 32px;
  padding: 40px 0 60px;
}

.account-sidebar {
  width: 240px;
  flex-shrink: 0;
}

.account-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 100px;
}

.account-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
  border-left: 3px solid transparent;
}

.account-tab:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.account-tab--active {
  background: #eff6ff;
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 600;
}

.account-tab svg {
  flex-shrink: 0;
}

.account-content {
  flex: 1;
  min-width: 0;
}

.account-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px;
}

.account-card__title {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 24px;
}

.account-card__desc {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin: -16px 0 24px;
  line-height: 1.5;
}

/* Account Tables */

.account-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.account-table th {
  text-align: left;
  padding: 10px 16px;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--color-border);
}

.account-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text);
}

.account-table tbody tr:hover {
  background: #fafbfc;
}

.account-table__link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.account-table__link:hover {
  text-decoration: underline;
}

/* Status Badges */

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: var(--color-bg);
  color: var(--color-text-secondary);
}

.status-badge--active {
  background: #ecfdf5;
  color: #059669;
}

.status-badge--completed {
  background: #eff6ff;
  color: var(--color-primary);
}

.status-badge--cancelled {
  background: #fef2f2;
  color: #dc2626;
}

.status-badge--expired {
  background: #f3f4f6;
  color: #6b7280;
}

.status-badge--pending {
  background: #fffbeb;
  color: #d97706;
}

/* API Key Styles */

.api-key-prefix {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  background: var(--color-bg);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
}

.api-key-reveal {
  background: #fffbeb;
  border: 1px solid #fcd34d;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 24px;
}

.api-key-reveal p {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--color-text);
}

.api-key-reveal__value {
  display: flex;
  align-items: center;
  gap: 12px;
}

.api-key-reveal__value code {
  flex: 1;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  background: #ffffff;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  word-break: break-all;
}

/* Coming Soon / Empty States */

.account-coming-soon {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-secondary);
}

.account-coming-soon h3 {
  margin: 16px 0 8px;
  color: var(--color-text);
  font-size: 16px;
}

.account-coming-soon p {
  margin: 0;
  font-size: 14px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.account-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.account-empty p {
  margin: 0 0 16px;
}

.account-loading {
  text-align: center;
  padding: 24px;
  color: var(--color-text-tertiary);
  font-size: 14px;
}

/* Favorite Heart Button */

.favorite-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 2;
  transition: transform 0.15s ease;
  line-height: 0;
  flex-shrink: 0;
}

.favorite-btn:hover {
  transform: scale(1.15);
}

.favorite-btn--active svg {
  fill: #ef4444;
  stroke: #ef4444;
}

.favorite-btn--product {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: all 0.15s ease;
}

.favorite-btn--product:hover {
  border-color: #ef4444;
  background: #fef2f2;
}

/* Header user name as link */

a.header-user-name {
  text-decoration: none;
  color: var(--color-text);
}

a.header-user-name:hover {
  color: var(--color-primary);
}

/* Account page responsive */

@media (max-width: 768px) {
  .account-hero {
    padding: 20px 0 16px;
  }

  .account-hero h1 {
    font-size: 20px;
    margin-bottom: 0;
  }

  .account-hero__subtitle {
    display: none;
  }

  .account-layout {
    flex-direction: column;
    gap: 16px;
  }

  .account-sidebar {
    width: 100%;
  }

  .account-sidebar__nav {
    flex-direction: column;
    gap: 2px;
    position: static;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 8px;
  }

  .account-tab {
    border-left: 3px solid transparent;
    padding: 12px 14px;
    font-size: 14px;
    border-radius: var(--radius-md);
  }

  .account-tab--active {
    border-left-color: var(--color-primary);
    background: #eff6ff;
  }

  .account-card {
    padding: 20px;
  }

  .account-table {
    font-size: 13px;
  }

  .account-table th,
  .account-table td {
    padding: 8px 10px;
  }
}