:root {
  --ink: #1a1a1a;
  --muted: #666;
  --bg: #fafafa;
  --accent: #2f6f4f;
  --border: #e2e2e2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

.site-header {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid var(--border);
  background: #fff;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem;
}

.site-footer {
  text-align: center;
  color: var(--muted);
  padding: 2rem;
  font-size: 0.85rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.product-card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  background: #fff;
  transition: box-shadow 0.15s ease;
}

.product-card:hover {
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.product-card-thumb img {
  width: 100%;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

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

.product-page {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2rem;
}

.product-cover img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.description {
  white-space: pre-wrap;
  line-height: 1.6;
  color: #333;
}

.buy-button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.85rem 1.5rem;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.buy-button:hover {
  opacity: 0.9;
}

@media (max-width: 640px) {
  .product-page {
    grid-template-columns: 1fr;
  }
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-header nav a {
  margin-left: 1.5rem;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
}

.admin-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.admin-card label {
  display: block;
  margin-bottom: 1rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.admin-card input,
.admin-card select,
.admin-card textarea {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.95rem;
  font-family: inherit;
  font-weight: normal;
}

.admin-card button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.7rem 1.25rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th, .admin-table td {
  text-align: left;
  padding: 0.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
}

.review-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
}

.review-cover {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.review-actions {
  margin-top: 1rem;
}

.reject-form {
  margin-top: 1rem;
}

.reject-button {
  background: #b3392c;
  color: #fff;
  border: none;
  padding: 0.6rem 1.1rem;
  border-radius: 6px;
  cursor: pointer;
}

.success-page {
  display: flex;
  justify-content: center;
  padding: 3rem 1rem;
}

.success-box {
  text-align: center;
  max-width: 440px;
  width: 100%;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.success-icon svg {
  width: 28px;
  height: 28px;
}

.success-box h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

.success-cover {
  width: 100px;
  border-radius: 6px;
  border: 1px solid var(--border);
  margin: 1.25rem auto;
  display: block;
}

.success-product-title {
  font-weight: 600;
  margin: 0 0 1.5rem;
}

.success-box .buy-button {
  display: inline-block;
  text-decoration: none;
  width: 100%;
  box-sizing: border-box;
}

.success-box .muted {
  margin-top: 1.25rem;
}

@media (max-width: 640px) {
  .review-grid {
    grid-template-columns: 1fr;
  }
}