/* Client Store storefront Dark / Light / System theme — v1.6.0 */
:root[data-store-theme="dark"] {
  color-scheme: dark;
  --bg: #0B0F1A;
  --surface: #131826;
  --surface-alt: #1B2333;
  --border: #232B3D;
  --text: #EDF1F7;
  --text-muted: #8B96AC;
}

:root[data-store-theme="light"] {
  color-scheme: light;
  --bg: #F3F6FA;
  --surface: #FFFFFF;
  --surface-alt: #EEF2F7;
  --border: #CBD5E1;
  --text: #0F172A;
  --text-muted: #475569;
  --accent-2: #0F766E;
}

:root[data-store-theme="light"] body,
:root[data-store-theme="light"] .site-header,
:root[data-store-theme="light"] .hero,
:root[data-store-theme="light"] .shop-page,
:root[data-store-theme="light"] .product-page,
:root[data-store-theme="light"] .auth-page,
:root[data-store-theme="light"] .dashboard-page {
  background-color: var(--bg);
  color: var(--text);
}

:root[data-store-theme="light"] .product-card,
:root[data-store-theme="light"] .category-card,
:root[data-store-theme="light"] .filter-sidebar,
:root[data-store-theme="light"] .promo-banner,
:root[data-store-theme="light"] .newsletter-banner,
:root[data-store-theme="light"] .cart-item,
:root[data-store-theme="light"] .cart-summary,
:root[data-store-theme="light"] .checkout-card,
:root[data-store-theme="light"] .auth-card,
:root[data-store-theme="light"] .dashboard-card,
:root[data-store-theme="light"] .product-info,
:root[data-store-theme="light"] .product-gallery {
  background-color: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

:root[data-store-theme="light"] .product-image,
:root[data-store-theme="light"] .main-nav,
:root[data-store-theme="light"] .topbar,
:root[data-store-theme="light"] footer,
:root[data-store-theme="light"] .site-footer {
  background-color: var(--surface-alt);
  border-color: var(--border);
}

:root[data-store-theme="light"] .product-title,
:root[data-store-theme="light"] h1,
:root[data-store-theme="light"] h2,
:root[data-store-theme="light"] h3,
:root[data-store-theme="light"] h4,
:root[data-store-theme="light"] strong,
:root[data-store-theme="light"] label,
:root[data-store-theme="light"] .account-link,
:root[data-store-theme="light"] .nav-inner a.active {
  color: var(--text);
}

:root[data-store-theme="light"] input,
:root[data-store-theme="light"] select,
:root[data-store-theme="light"] textarea {
  background: #FFFFFF;
  border-color: var(--border);
  color: var(--text);
}

:root[data-store-theme="light"] input::placeholder,
:root[data-store-theme="light"] textarea::placeholder {
  color: #64748B;
}

:root[data-store-theme="light"] .topbar,
:root[data-store-theme="light"] .nav-inner a,
:root[data-store-theme="light"] .muted,
:root[data-store-theme="light"] .footer-col p,
:root[data-store-theme="light"] .footer-col ul li a,
:root[data-store-theme="light"] .footer-bottom {
  color: var(--text-muted);
}

.store-theme-switcher { position: relative; flex: 0 0 auto; }
.store-theme-toggle {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  transition: border-color .18s ease, transform .18s ease, background .18s ease;
}
.store-theme-toggle:hover { border-color: var(--accent); transform: translateY(-1px); }
.store-theme-icon::before { content: "☾"; font-size: 18px; line-height: 1; }
:root[data-store-theme="light"] .store-theme-icon::before { content: "☀"; }

.store-theme-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 200;
  min-width: 160px;
  padding: 7px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 16px 40px rgba(0,0,0,.24);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}
.store-theme-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
.store-theme-menu button {
  width: 100%;
  display: grid;
  grid-template-columns: 22px 1fr 18px;
  align-items: center;
  gap: 8px;
  padding: 10px 11px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  text-align: left;
  font-size: 14px;
}
.store-theme-menu button:hover { background: var(--surface-alt); }
.store-theme-menu button b { opacity: 0; color: var(--accent); }
.store-theme-menu button.active b { opacity: 1; }

@media (max-width: 900px) {
  .header-inner { gap: 10px; }
  .store-theme-toggle { width: 38px; height: 38px; }
}
@media (max-width: 700px) {
  .store-theme-switcher { order: 3; }
}