/* CHHES 暗色模式 — 叠加 chhes-* 变量，不替换 Bootstrap */
:root,
[data-theme="light"] {
  color-scheme: light;
}

[data-theme="dark"] {
  color-scheme: dark;
  --chhes-bg-primary: #090909;
  --chhes-bg-secondary: #141414;
  --chhes-bg-card: #111111;
  --chhes-text-primary: #f3f1ec;
  --chhes-text-secondary: #a8a8a8;
  --chhes-text-muted: #707070;
  --chhes-border: rgba(243, 241, 236, 0.12);
  --chhes-accent-hover: #d8d6d0;
  --chhes-shadow-soft: 0 10px 36px rgba(0, 0, 0, 0.45);
  --chhes-shadow-lift: 0 22px 48px rgba(0, 0, 0, 0.55);
}

[data-theme="dark"] body {
  background: var(--chhes-bg-primary, #090909);
  color: var(--chhes-text-primary, #f3f1ec);
}

[data-theme="dark"] .chhes-site-nav.header {
  background: rgba(9, 9, 9, 0.96) !important;
  border-bottom-color: var(--chhes-border);
}

[data-theme="dark"] .chhes-site-nav.is-scrolled {
  background: rgba(9, 9, 9, 0.92) !important;
}

[data-theme="dark"] .chhes-site-nav .header-logo,
[data-theme="dark"] .chhes-site-nav .header-icon-btn,
[data-theme="dark"] .chhes-site-nav .theme-toggle,
[data-theme="dark"] .chhes-site-nav .header-menu-btn,
[data-theme="dark"] .chhes-site-nav .chhes-nav-mobile-btn {
  color: var(--chhes-text-primary);
}

[data-theme="dark"] .chhes-site-nav .header-nav .nav-item,
[data-theme="dark"] .chhes-site-nav .header-search,
[data-theme="dark"] .chhes-site-nav .header-login,
[data-theme="dark"] .chhes-site-nav .header-kefu {
  color: var(--chhes-text-secondary);
}

[data-theme="dark"] .chhes-site-nav .header-logo:hover,
[data-theme="dark"] .chhes-site-nav .header-nav .nav-item:hover,
[data-theme="dark"] .chhes-site-nav .header-nav .nav-item.active,
[data-theme="dark"] .chhes-site-nav .header-search:hover,
[data-theme="dark"] .chhes-site-nav .header-login:hover,
[data-theme="dark"] .chhes-site-nav .header-kefu:hover,
[data-theme="dark"] .chhes-site-nav .header-icon-btn:hover,
[data-theme="dark"] .chhes-site-nav .theme-toggle:hover {
  color: var(--chhes-text-primary);
}

[data-theme="dark"] .chhes-site-nav .header-nav .nav-item::after {
  background: var(--chhes-text-primary);
}

[data-theme="dark"] .chhes-site-nav .header-divider {
  background-color: var(--chhes-border);
}

[data-theme="dark"] .chhes-site-nav .cart-badge {
  background-color: var(--chhes-text-primary);
  color: var(--chhes-bg-primary);
}

[data-theme="dark"] .chhes-site-nav .nav-dropdown-item:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--chhes-text-primary);
}

[data-theme="dark"] .chhes-site-nav .theme-toggle:hover {
  background-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .chhes-site-nav.header::after {
  background: linear-gradient(90deg, transparent, rgba(243, 241, 236, 0.12), transparent);
}

[data-theme="dark"] .product-card,
[data-theme="dark"] .chhes-list-page .card.mb-7 {
  background: var(--chhes-bg-card, #111);
  border-color: var(--chhes-border);
}

[data-theme="dark"] .product-card .product-info {
  color: var(--chhes-text-primary, #f3f1ec);
}

[data-theme="dark"] .product-card .product-brand {
  color: var(--chhes-text-secondary, #a8a8a8);
}

[data-theme="dark"] .product-card .product-name,
[data-theme="dark"] .product-card .product-name a {
  color: var(--chhes-text-primary, #f3f1ec);
}

[data-theme="dark"] .product-image,
[data-theme="dark"] .chhes-list-page .card-img {
  background: #1a1a1a;
}

[data-theme="dark"] .chhes-mobile-menu {
  background: var(--chhes-bg-primary, #090909);
  color: var(--chhes-text-primary, #f3f1ec);
}

[data-theme="dark"] .chhes-list-filters .filter-btn {
  background: var(--chhes-bg-card, #111);
  color: var(--chhes-text-secondary);
  border-color: var(--chhes-border);
}

[data-theme="dark"] .chhes-list-filters .filter-btn.active,
[data-theme="dark"] .chhes-list-filters .filter-btn:hover {
  background: var(--chhes-text-primary);
  color: #111;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  color: var(--chhes-text-secondary, #5a5a5a);
  cursor: pointer;
  transition: color 0.25s ease, transform 0.25s ease;
}

.theme-toggle:hover {
  color: var(--chhes-text-primary, #111);
}

.theme-toggle svg {
  display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block !important;
}

.theme-toggle--block {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--chhes-border, rgba(17, 17, 17, 0.15));
  background: transparent;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

[data-theme="dark"] .chhes-list-filter {
  background: var(--chhes-bg-secondary, #141414);
}

[data-theme="dark"] .chhes-list-filter-title,
[data-theme="dark"] .chhes-list-filter .form-check-label {
  color: var(--chhes-text-secondary);
}

[data-theme="dark"] .chhes-user-page .card,
[data-theme="dark"] .chhes-user-page .table thead td,
[data-theme="dark"] .chhes-user-page .table thead th {
  background: var(--chhes-bg-card, #111);
  border-color: var(--chhes-border);
  color: var(--chhes-text-primary);
}

[data-theme="dark"] .chhes-user-page .table td,
[data-theme="dark"] .chhes-user-page .list-group-item {
  border-color: var(--chhes-border);
  color: var(--chhes-text-secondary);
}

[data-theme="dark"] .chhes-flow-page .chhes-favourable-card,
[data-theme="dark"] .chhes-flow-page .list-group-item {
  background: var(--chhes-bg-card, #111);
  border-color: var(--chhes-border);
}

[data-theme="dark"] .chhes-article-home {
  background: var(--chhes-bg-secondary, #141414);
}

[data-theme="dark"] .chhes-site-footer.footer {
  background-color: var(--chhes-bg-secondary, #141414) !important;
}

[data-theme="dark"] .chhes-site-footer .footer-newsletter-input {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--chhes-border);
  color: var(--chhes-text-primary);
}