* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #fafafa;
  color: #222;
  line-height: 1.5;
}
.wrap { max-width: 1400px; margin: 0 auto; padding: 0 24px; }

/* top nav */
.top {
  background: #fff;
  border-bottom: 1px solid #eee;
  padding: 16px 0;
  position: sticky; top: 0; z-index: 10;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.top .wrap {
  display: flex; align-items: center; gap: 20px;
}
.logo {
  font-size: 24px; font-weight: 900;
  text-decoration: none; color: #222;
  letter-spacing: -1px;
}
.logo span { color: #4a7fd1; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a { color: #555; text-decoration: none; font-size: 15px; }
.nav a:hover { color: #4a7fd1; }
.search { flex: 1; max-width: 320px; }
.search input {
  width: 100%; padding: 8px 14px; border: 1px solid #ddd;
  border-radius: 20px; font-size: 14px;
}
.cart {
  color: #222; text-decoration: none; font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.badge {
  background: #4a7fd1; color: #fff; border-radius: 10px;
  padding: 2px 8px; font-size: 12px; font-weight: 700;
}

/* hero */
.hero {
  text-align: center; padding: 48px 0 32px;
}
.hero h1 {
  font-size: 42px; margin: 0 0 12px; font-weight: 900; letter-spacing: -1.5px;
}
.hero p { color: #666; font-size: 18px; }

/* gallery grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  padding: 24px 0;
}
.tile {
  background: #fff; border-radius: 10px; overflow: hidden;
  text-decoration: none; color: #222;
  box-shadow: 0 1px 6px rgba(0,0,0,0.05);
  transition: transform .2s, box-shadow .2s;
}
.tile:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.12); }
.tile img { width: 100%; aspect-ratio: 4/5; object-fit: cover; display: block; }
.tile-info { padding: 12px 14px; }
.tile-title { font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.tile-price { color: #4a7fd1; font-weight: 700; font-size: 13px; }

.pagination {
  display: flex; justify-content: center; gap: 20px;
  padding: 40px 0; align-items: center;
}
.pagination a { color: #4a7fd1; text-decoration: none; font-weight: 500; }

/* image detail */
.image-page {
  display: grid; grid-template-columns: 1fr 400px; gap: 40px;
  padding: 32px 0;
}
.image-preview img {
  width: 100%; border-radius: 10px; box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}
.watermark-notice {
  text-align: center; color: #888; font-size: 13px; margin-top: 12px; font-style: italic;
}
.image-info h1 { font-size: 28px; margin-bottom: 12px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0; }
.tag { background: #eef; color: #4a7fd1; padding: 3px 10px; border-radius: 12px; font-size: 12px; }

.pricing { background: #fff; padding: 24px; border-radius: 12px; margin-top: 24px; }
.pricing h3 { margin-top: 0; }
.price-opt {
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 12px; padding: 12px;
  border: 1px solid #e8e8e8; border-radius: 8px; margin-bottom: 8px;
  cursor: pointer; transition: border-color .15s;
}
.price-opt:has(input:checked) { border-color: #4a7fd1; background: #f5f9ff; }
.price-opt input { margin: 0; }
.lic-name { font-weight: 600; grid-column: 2; }
.lic-desc { grid-column: 2; color: #888; font-size: 13px; }
.lic-price { grid-column: 3; grid-row: span 2; font-weight: 700; color: #4a7fd1; }

/* buttons */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 8px;
  font-weight: 600; text-decoration: none; border: none;
  cursor: pointer; font-size: 15px; margin: 6px 0;
  transition: background .15s;
}
.btn-primary { background: #4a7fd1; color: #fff; }
.btn-primary:hover { background: #3a6cb8; }
.btn-secondary { background: #eee; color: #222; }
.btn-secondary:hover { background: #ddd; }
.btn-big { font-size: 17px; padding: 16px 30px; width: 100%; text-align: center; }
.btn-small { padding: 6px 12px; font-size: 13px; background: #eaf4ea; color: #2a7a2a; }
.btn-small.btn-alt { background: #fff3e0; color: #c87a00; }
.btn-small.btn-danger { background: #fee; color: #c00; }
.btn-link { background: transparent; border: none; color: #c00; cursor: pointer; font-size: 13px; }

/* cart */
.cart-items { margin: 24px 0; }
.cart-item {
  display: grid; grid-template-columns: 100px 1fr auto;
  gap: 16px; align-items: center; padding: 12px;
  background: #fff; border-radius: 10px; margin-bottom: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.cart-item img { width: 100px; height: 125px; object-fit: cover; border-radius: 6px; }
.cart-total {
  text-align: right; font-size: 20px; padding: 20px 0; border-top: 2px solid #eee;
}
.license-select { margin: 20px 0; }
.license-select select { padding: 8px 14px; font-size: 15px; border-radius: 6px; border: 1px solid #ddd; }
.checkout-form { margin: 32px 0; padding: 24px; background: #fff; border-radius: 12px; }
.checkout-form label { display: block; margin-bottom: 12px; }
.checkout-form input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 6px; margin-top: 6px; }
.payment-methods { text-align: center; margin-top: 8px; color: #888; }
.delivery-options {
  background: #f0f6ff; padding: 20px; border-radius: 10px; margin-top: 24px;
}
.delivery-options h3 { margin-top: 0; }
.delivery-options ul { list-style: none; padding: 0; }
.delivery-options li { padding: 4px 0; }

/* download */
.download-page { padding: 32px 0; }
.download-page h1 { color: #2a7a2a; }
.download-actions { margin: 24px 0; }
.download-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px; margin: 20px 0;
}
.download-item {
  background: #fff; padding: 12px; border-radius: 8px; text-align: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.download-item img { width: 100%; border-radius: 6px; margin-bottom: 10px; }
.license-info {
  background: #f9f9f9; padding: 20px; border-radius: 8px; margin-top: 30px;
}

/* admin */
.admin-stats {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px; margin: 24px 0;
}
.stat { background: #fff; padding: 20px; border-radius: 10px; text-align: center; }
.stat-num { font-size: 32px; font-weight: 900; color: #4a7fd1; }
.stat-label { color: #666; font-size: 13px; }

.admin-gen { background: #fff; padding: 24px; border-radius: 12px; margin: 24px 0; }
.admin-gen form { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.admin-gen label { display: flex; flex-direction: column; font-size: 13px; color: #666; }
.admin-gen input, .admin-gen select { padding: 8px 12px; border: 1px solid #ddd; border-radius: 6px; font-size: 14px; margin-top: 4px; }
#gen-status { margin-top: 12px; color: #2a7a2a; font-size: 14px; }

.admin-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px; margin: 20px 0;
}
.admin-card { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 1px 6px rgba(0,0,0,0.05); }
.admin-card img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.admin-card-body { padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.admin-card-body input, .admin-card-body textarea, .admin-card-body select {
  width: 100%; padding: 6px 8px; font-size: 13px; border: 1px solid #ddd; border-radius: 4px;
}
.admin-card-body textarea { min-height: 50px; resize: vertical; }
.prices { display: flex; gap: 6px; }
.prices input { width: 60px; font-size: 12px; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }

.admin-tabs { display: flex; gap: 4px; margin: 20px 0; border-bottom: 1px solid #eee; }
.admin-tabs a {
  padding: 10px 16px; text-decoration: none; color: #666;
  border-bottom: 2px solid transparent;
}
.admin-tabs a.active { color: #4a7fd1; border-color: #4a7fd1; }

/* login */
.login-form { max-width: 360px; margin: 60px auto; padding: 30px; background: #fff; border-radius: 10px; }
.login-form label { display: block; margin-bottom: 14px; }
.login-form input { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 6px; margin-top: 4px; }

.flash { padding: 12px 16px; border-radius: 6px; margin: 12px 0; }
.flash.error { background: #fee; color: #c00; }
.flash.success { background: #efe; color: #080; }

/* footer */
.foot { background: #222; color: #ccc; padding: 30px 0; margin-top: 60px; font-size: 14px; }
.foot .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.foot .links a { color: #4a7fd1; text-decoration: none; margin: 0 12px; }

.pending-page, .expired-page { text-align: center; padding: 60px 0; }
.small { font-size: 12px; color: #888; }

@media (max-width: 800px) {
  .image-page { grid-template-columns: 1fr; }
  .top .wrap { flex-wrap: wrap; }
  .nav { order: 3; width: 100%; }
  .search { max-width: 100%; }
}