:root {
  --color-main: #0F2744;
  --color-sub: #D4A437;
  --color-bg: #FFFFFF;
  --color-accent: #F5F7FA;
  --color-text: #1a1a1a;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-danger: #dc2626;
  --color-success: #059669;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(15, 39, 68, 0.08);
}

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

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

a { color: var(--color-main); text-decoration: none; }
a:hover { color: var(--color-sub); }

.page-container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  background: var(--color-main);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 12px;
}

.logo {
  font-size: 1.375rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.03em;
  white-space: nowrap;
  line-height: 1.2;
  text-decoration: none;
}

.logo-mark { color: #fff; }
.logo-mark--light { color: var(--color-main); }
.logo-accent { color: var(--color-sub); }
.logo-suffix {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
  font-size: 0.88em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.logo-suffix--light { color: var(--color-muted); }

.logo-heading {
  text-align: center;
  margin: 0 0 24px;
  font-size: 1.625rem;
  font-weight: 700;
  line-height: 1.3;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.header-nav a, .header-nav button {
  color: #fff;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 12px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  cursor: pointer;
  font-family: inherit;
}

.header-nav a:hover, .header-nav button:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-sub);
}

.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  min-width: 180px;
  box-shadow: var(--shadow);
  z-index: 200;
}
.dropdown.open .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block;
  padding: 10px 16px;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}
.dropdown-menu a:last-child { border-bottom: none; }
.dropdown-menu a:hover { background: var(--color-accent); color: var(--color-main); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: none;
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: opacity 0.2s;
}
.btn:hover { opacity: 0.9; }
.btn-primary { background: var(--color-main); color: #fff; }
.btn-sub { background: var(--color-sub); color: var(--color-main); }
.btn-outline { background: transparent; border: 1px solid var(--color-main); color: var(--color-main); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 0.8125rem; }
.btn-block { width: 100%; }

.section { padding: 24px 0; }

.section-title {
  font-size: 1.25rem;
  color: var(--color-main);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-sub);
}

.notice-list {
  background: var(--color-accent);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 24px;
}

.notice-item {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.notice-item:last-child { border-bottom: none; }
.notice-item strong { color: var(--color-main); }

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.category-tab {
  padding: 8px 16px;
  border-radius: 20px;
  background: var(--color-accent);
  color: var(--color-main);
  font-size: 0.875rem;
  font-weight: 500;
}
.category-tab.active, .category-tab:hover {
  background: var(--color-main);
  color: #fff;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

@media (min-width: 640px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 768px) {
  .product-grid { grid-template-columns: repeat(4, 1fr); }
}

.product-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s;
}
.product-card:hover { box-shadow: var(--shadow); }
.product-card a { display: block; color: inherit; }

.product-thumb {
  aspect-ratio: 1;
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-thumb .placeholder { color: var(--color-muted); font-size: 0.75rem; }

.product-info { padding: 10px 12px 12px; }
.product-name {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0 0 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-price { font-size: 0.875rem; color: var(--color-sub); font-weight: 700; }
.product-price.locked { color: var(--color-muted); font-weight: 400; font-size: 0.75rem; }

.wishlist-btn {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--color-border);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--shadow);
  z-index: 2;
}
.wishlist-btn.active { color: #e11d48; border-color: #e11d48; }

.site-footer {
  background: var(--color-main);
  color: rgba(255,255,255,0.85);
  padding: 32px 0 24px;
  margin-top: 48px;
  font-size: 0.8125rem;
}

.footer-links { display: flex; gap: 16px; margin-bottom: 16px; }
.footer-links a { color: var(--color-sub); }
.footer-info p { margin: 4px 0; }

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-main);
}
.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--color-sub);
  box-shadow: 0 0 0 3px rgba(212, 164, 55, 0.2);
}
textarea.form-control { min-height: 120px; resize: vertical; }

.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; }
.alert-success { background: #d1fae5; color: var(--color-success); }
.alert-error { background: #fee2e2; color: var(--color-danger); }
.alert-info { background: #dbeafe; color: #1d4ed8; }

.auth-box {
  max-width: 420px;
  margin: 40px auto;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.auth-box h1 { text-align: center; color: var(--color-main); font-size: 1.5rem; margin: 0 0 24px; }

.tabs { display: flex; border-bottom: 2px solid var(--color-border); margin-bottom: 20px; }
.tab-btn {
  flex: 1; padding: 12px; background: none; border: none; cursor: pointer;
  font-weight: 600; color: var(--color-muted); font-family: inherit;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
}
.tab-btn.active { color: var(--color-main); border-bottom-color: var(--color-sub); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.product-detail-header { display: grid; gap: 24px; margin-bottom: 24px; }
@media (min-width: 640px) { .product-detail-header { grid-template-columns: 1fr 1fr; } }
.detail-thumb { aspect-ratio: 1; background: var(--color-accent); border-radius: var(--radius); overflow: hidden; }
.detail-thumb img { width: 100%; height: 100%; object-fit: cover; }
.detail-meta h1 { font-size: 1.5rem; color: var(--color-main); margin: 0 0 12px; }
.detail-price { font-size: 1.5rem; color: var(--color-sub); font-weight: 700; margin-bottom: 16px; }
.detail-images img { width: 100%; margin-bottom: 12px; border-radius: var(--radius); }

.inquiry-list { list-style: none; padding: 0; margin: 0; }
.inquiry-item { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 12px 16px; margin-bottom: 8px; cursor: pointer; }
.inquiry-item:hover { background: var(--color-accent); }
.inquiry-meta { display: flex; justify-content: space-between; font-size: 0.8125rem; color: var(--color-muted); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 0.75rem; font-weight: 600; }
.badge-success { background: #d1fae5; color: var(--color-success); }
.badge-warning { background: #fef3c7; color: #d97706; }
.badge-danger { background: #fee2e2; color: var(--color-danger); }

.table-wrap { overflow-x: auto; }
table.data-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
table.data-table th, table.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--color-border); text-align: left; }
table.data-table th { background: var(--color-accent); color: var(--color-main); font-weight: 600; }
table.data-table tr:hover td { background: #fafafa; }

.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(15, 39, 68, 0.5); z-index: 1000;
  align-items: center; justify-content: center; padding: 16px;
}
.modal-overlay.open { display: flex; }
.modal-box { background: #fff; border-radius: var(--radius); max-width: 480px; width: 100%; box-shadow: 0 8px 32px rgba(0,0,0,0.2); overflow: hidden; }
.modal-header { padding: 16px 20px; background: var(--color-main); color: #fff; font-weight: 600; }
.modal-body { padding: 20px; }
.modal-footer { padding: 12px 20px; display: flex; gap: 8px; justify-content: flex-end; border-top: 1px solid var(--color-border); }

.admin-layout { display: flex; min-height: calc(100vh - 64px); }
.admin-sidebar { width: 220px; background: var(--color-main); color: #fff; flex-shrink: 0; }
.admin-sidebar nav a { display: block; padding: 12px 20px; color: rgba(255,255,255,0.85); border-bottom: 1px solid rgba(255,255,255,0.1); }
.admin-sidebar nav a:hover, .admin-sidebar nav a.active { background: rgba(212, 164, 55, 0.2); color: var(--color-sub); }
.admin-content { flex: 1; padding: 24px; background: var(--color-accent); min-width: 0; }

@media (max-width: 768px) {
  .admin-layout { flex-direction: column; }
  .admin-sidebar { width: 100%; }
  .admin-sidebar nav { display: flex; flex-wrap: wrap; }
  .admin-sidebar nav a { flex: 1 1 50%; font-size: 0.8125rem; padding: 10px; }
}

.card { background: #fff; border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 20px; }
.card h2 { margin: 0 0 16px; font-size: 1.125rem; color: var(--color-main); }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.image-preview-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 8px; margin-top: 12px; }
.image-preview-grid img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--color-border); }
.camera-input { margin-top: 8px; }
.pagination { display: flex; gap: 4px; justify-content: center; margin-top: 20px; }
.pagination a, .pagination span { padding: 6px 12px; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 0.875rem; }
.pagination a:hover { background: var(--color-accent); }
.pagination .current { background: var(--color-main); color: #fff; border-color: var(--color-main); }
.terms-content h3 { color: var(--color-main); margin-top: 24px; }
.empty-state { text-align: center; padding: 40px 20px; color: var(--color-muted); }
.lang-toggle { background: var(--color-sub) !important; color: var(--color-main) !important; border: none !important; font-weight: 600; }