:root {
  color-scheme: light;
  --color-primary: #374550;
  --color-secondary: #b2e0d6;
  --color-neutral: #f0e6da;
  --color-ink: #1e242b;
  --color-muted: #6b7780;
  --color-border: #e2d8cc;
  --color-surface: #ffffff;
  --font-heading: "DM Sans", "Inter", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --shadow-soft: 0 6px 20px rgba(20, 24, 28, 0.06);
  --space-xxs: 6px;
  --space-xs: 10px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 36px;
  --space-xl: 52px;
  --space-xxl: 72px;
  --max-width: 1120px;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: linear-gradient(180deg, var(--color-neutral) 0%, #ffffff 45%, #ffffff 100%);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  gap: var(--space-md);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--color-primary);
  box-shadow: var(--shadow-soft);
}

.brand-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 16px;
  color: var(--color-primary);
  letter-spacing: 0.2px;
}

.brand-subtitle {
  margin: 2px 0 0 0;
  font-size: 12.5px;
  color: var(--color-muted);
}

.header-status {
  font-size: 12.5px;
  color: var(--color-muted);
}

.main {
  padding: var(--space-xl) 0 var(--space-xxl);
  display: grid;
  gap: var(--space-lg);
}

.controls {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.search-field input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 12px 16px;
  font-size: 15px;
  background: #ffffff;
  color: var(--color-ink);
}

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-sm);
}

.field {
  display: grid;
  gap: var(--space-xxs);
  font-size: 12.5px;
  color: var(--color-muted);
}

.field input,
.field select {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 10px 12px;
  font-size: 14px;
  background: #ffffff;
  color: var(--color-ink);
}

.section {
  display: grid;
  gap: var(--space-md);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.card {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: var(--space-sm);
}

.card h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 20px;
  color: var(--color-primary);
}

.card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.6;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-muted);
  background: #ffffff;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-size: 12.5px;
  color: var(--color-muted);
}

.price {
  font-weight: 600;
  color: var(--color-primary);
}

.card-actions {
  margin-top: var(--space-xs);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--color-ink);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
}

.empty,
.error,
.skeleton {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.empty p,
.error p {
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.6;
}

.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.skeleton-card {
  height: 180px;
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, #f6f1ea 0%, #ffffff 50%, #f6f1ea 100%);
  background-size: 200% 100%;
  animation: shimmer 1.8s ease-in-out infinite;
  border: 1px solid var(--color-border);
}

@keyframes shimmer {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

.detail {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: var(--space-md);
}

.detail h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 44px;
  color: var(--color-primary);
}

.detail h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 28px;
  color: var(--color-primary);
}

.detail p {
  margin: 0;
  color: var(--color-muted);
  font-size: 15.5px;
  line-height: 1.7;
}

.detail .long-desc {
  white-space: pre-wrap;
}

.breadcrumb {
  font-size: 12.5px;
  color: var(--color-muted);
}

.seo-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm);
  background: #ffffff;
  font-size: 12.5px;
  color: var(--color-muted);
}

.seo-panel summary {
  cursor: pointer;
  color: var(--color-primary);
  font-weight: 600;
}

.seo-panel .kv {
  display: grid;
  gap: var(--space-xxs);
  margin-top: var(--space-xs);
}

.site-footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  background: #ffffff;
}

.footer-inner {
  display: grid;
  gap: var(--space-xxs);
  font-size: 13px;
  color: var(--color-muted);
}

.muted {
  color: var(--color-muted);
}

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

.noscript {
  margin: var(--space-lg) auto;
  max-width: var(--max-width);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--color-surface);
  color: var(--color-muted);
}

@media (max-width: 900px) {
  .detail h1 {
    font-size: 36px;
  }
}

@media (max-width: 680px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .pagination {
    flex-direction: column;
  }
}