:root {
  color-scheme: light dark;
  --color-bg: #f9fafb;
  --color-surface: #ffffff;
  --color-surface-muted: #f1f5f9;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-border: #e2e8f0;
  --color-primary: #2563eb;
  --color-primary-contrast: #ffffff;
  --color-accent: #f97316;
  --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.08);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  --color-bg: #0b1120;
  --color-surface: #111827;
  --color-surface-muted: #1f2937;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-border: #1f2937;
  --shadow-md: 0 10px 30px rgba(8, 47, 73, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: inherit;
  line-height: 1.6;
}

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

a:hover,
a:focus {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
}

.brand__text {
  font-size: 1.125rem;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--color-text);
  font-weight: 500;
}

.theme-toggle {
  margin-left: auto;
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
}

.site-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.hero {
  display: grid;
  gap: 2rem;
  padding: 3rem 0;
}

.hero__intro {
  background: var(--color-surface);
  border-radius: 1.25rem;
  padding: 3rem;
  box-shadow: var(--shadow-md);
}

.hero__intro h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin-top: 0;
  margin-bottom: 1rem;
}

.hero__intro p {
  margin: 0.5rem 0;
  color: var(--color-text-muted);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0;
}

.hero__note {
  font-size: 0.95rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-weight: 600;
  border: none;
  cursor: pointer;
}

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

.search {
  position: relative;
  margin-top: 1.5rem;
}

.search input[type="search"] {
  width: 100%;
  padding: 0.9rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 1rem;
}

.category-grid {
  margin: 3rem 0;
}

.category-grid ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  padding: 0;
  margin: 0;
}

.category-grid--compact ul {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.category-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.75rem;
  border-radius: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.category-card__count {
  color: var(--color-text-muted);
  font-weight: 500;
}

.category-card:hover,
.category-card:focus {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.retailer-spotlight {
  margin: 3rem 0;
}

.retailer-spotlight__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.retailer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.retailer-card {
  background: var(--color-surface);
  border-radius: 1.25rem;
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
  box-shadow: var(--shadow-md);
}

.retailer-card__header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.retailer-card__meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.retailer-card__categories {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.retailer-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.retailer-card__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.retailer-card__tags a {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--color-surface-muted);
  color: var(--color-text);
  font-size: 0.85rem;
}

.page-header {
  margin-bottom: 2.5rem;
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

.page-header p {
  margin: 0;
  color: var(--color-text-muted);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1rem;
  border-radius: 1rem;
  margin-bottom: 2rem;
}

.filters fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

.filters select {
  padding: 0.5rem 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
}

.retailer-group {
  margin-bottom: 3rem;
}

.retailer-group h2 {
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
}

.retailer-detail {
  display: grid;
  gap: 2rem;
}

.retailer-detail__header {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
}

.retailer-detail__meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.retailer-detail__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  border-radius: 999px;
  font-size: 0.85rem;
}

.badge--muted {
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.pill-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
}

.pill,
.pill--static {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: var(--color-surface-muted);
  color: var(--color-text);
  font-size: 0.88rem;
}

.retailer-detail__updated {
  color: var(--color-text-muted);
}

.updates-rail {
  margin-top: 4rem;
  background: var(--color-surface);
  border-radius: 1.5rem;
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.updates-rail__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.updates-rail__list {
  list-style: none;
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0 0;
  padding: 0;
}

.updates-rail__meta {
  margin: 0.5rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 3rem 1.5rem;
}

.site-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.site-footer__inner ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-heading {
  margin-top: 0;
  font-size: 1rem;
}

.site-footer__note {
  max-width: 1200px;
  margin: 2rem auto 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.noscript {
  margin: 0;
  text-align: center;
  padding: 1rem;
  background: var(--color-surface-muted);
  color: var(--color-text);
}

.prose {
  background: var(--color-surface);
  border-radius: 1.5rem;
  padding: 2.5rem;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.prose p {
  margin-bottom: 1rem;
  color: var(--color-text);
}

.prose ul,
.prose ol {
  color: var(--color-text);
  padding-left: 1.25rem;
}

.subscribe__form {
  background: var(--color-surface);
  border-radius: 1.5rem;
  border: 1px solid var(--color-border);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  display: grid;
  gap: 1.5rem;
}

.subscribe__form label {
  font-weight: 600;
  display: block;
  margin-bottom: 0.5rem;
}

.subscribe__form input[type="email"] {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
}

.checkbox {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.checkbox input[type="checkbox"] {
  margin-top: 0.35rem;
}

.field-hint,
.subscribe__disclaimer {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.form-message {
  font-weight: 600;
}

.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-md);
  display: none;
}

.toast[data-visible="true"] {
  display: block;
}

.pagination {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 768px) {
  .site-header__inner {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .site-nav ul {
    width: 100%;
    justify-content: space-between;
  }

  .theme-toggle {
    margin-left: 0;
  }

  .hero__intro {
    padding: 2rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}