/* Flexible sizing also protects desktop layouts at larger text sizes. */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-height, 100px) + 16px); }
body { min-height: 100svh; }
img, svg { max-width: 100%; }
button, a, input, select { -webkit-tap-highlight-color: transparent; }
button, select, a { touch-action: manipulation; }
input:focus-visible { outline: 3px solid var(--accent-primary); outline-offset: 2px; }
.skip-link { position: fixed; top: -100px; left: 12px; z-index: 3000; padding: 12px 16px; background: #fff; border: 2px solid var(--accent-primary); border-radius: 8px; }
.skip-link:focus { top: 12px; }
.mobile-menu-toggle, .mobile-bottom-nav, .filter-close, .filter-drawer-footer, .filter-backdrop { display: none; }
.header-container, .main-nav-links, .brand-group, .tile-body, .tile-price-row > *, .tile-store-name, .product-detail-info, .product-detail-media, .deals-hero-text { min-width: 0; }
.products-tiles-grid { grid-template-columns: repeat(auto-fill, minmax(min(290px, 100%), 1fr)); }
.tile-price-row, .tile-jev-badge, .tile-stores-header, .modal-jev-meta-row, .modal-jev-footer-row { flex-wrap: wrap; gap: 8px; }
.tile-store-item { gap: 10px; }
.tile-store-name { flex-wrap: wrap; overflow-wrap: anywhere; }
.tile-store-price { flex-shrink: 0; }
.tile-store-name > span:first-child { min-width: 0; }
.active-tags-wrap { display: flex; flex-wrap: wrap; gap: 8px; min-width: 0; }
.active-tag { max-width: 100%; }
.active-tag > span { overflow-wrap: anywhere; min-width: 0; }
.active-tag-remove { flex-shrink: 0; min-width: 28px; min-height: 28px; justify-content: center; }
.product-detail-title, .product-detail-variant, .modal-title, .modal-subtitle, .modal-jev-rec, .spec-cell-val, .page-title, .loading-text { overflow-wrap: anywhere; }
.product-price-hero-box { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px 16px; }
.product-detail-media { top: calc(var(--header-height, 72px) + 16px); }
.price-hero-main { flex-wrap: wrap; min-width: 0; }
#priceCheckedAt { margin: 0; grid-row: 2; grid-column: 1; }
#btnCheckPrice { grid-row: 2; grid-column: 2; justify-content: center; }
.price-hero-savings:empty, .price-hero-mrp:empty, .product-detail-brand:empty, .product-detail-variant:empty { display: none; }
.price-hero-lowest { overflow-wrap: anywhere; line-height: 1.2; }
.specs-key-value-grid { grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr)); }
.lhs-sidebar { top: calc(var(--header-height, 60px) + 16px); max-height: calc(100vh - var(--header-height, 60px) - 32px); }
.modal-card { overscroll-behavior: contain; max-height: 90dvh; }
.modal-store-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--border-light); font-size: .875rem; }
.modal-store-details { min-width: 0; overflow-wrap: anywhere; }
.modal-store-check { color: var(--text-muted); font-size: .78rem; margin-top: 4px; }
.modal-store-price { font-weight: 700; color: var(--accent-emerald); }
.detail-store-row > div { min-width: 0; overflow-wrap: anywhere; }

@media (max-width: 1024px) {
  .nav-link, .search-submit-btn, .btn-tile-buy, .btn-tile-details, .btn-tile-offers, .btn-refresh-deals, .sort-select, .btn-jev-reeval { min-height: 44px; }
  .search-input-box input { min-height: 48px; font-size: 16px; }
  .sort-select { font-size: 16px; }
  .app-layout { display: block; padding: 20px 16px; }
  .mobile-filter-toggle { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 14px; align-self: auto; }
  .lhs-sidebar { display: none; position: fixed; inset: 0 0 0 auto; width: min(400px, 94vw); max-height: none; height: 100vh; height: 100dvh; padding: 0; z-index: 1200; border-radius: 20px 0 0 20px; box-shadow: var(--shadow-xl); overflow-y: auto; overscroll-behavior: contain; }
  .lhs-sidebar.is-open { display: block; }
  .filter-backdrop.is-open { display: block; position: fixed; inset: 0; background: rgba(15,23,42,.45); z-index: 1100; }
  .sidebar-header { position: sticky; top: 0; z-index: 1; padding: max(14px, env(safe-area-inset-top)) 16px 14px; margin-bottom: 16px; background: #fff; border-bottom: 1px solid var(--border-light); }
  .sidebar-header-actions { display: flex; align-items: center; gap: 10px; }
  .filter-close { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid var(--border-light); background: var(--bg-surface-soft); border-radius: 50%; font-size: 1.5rem; cursor: pointer; color: var(--text-primary); }
  .lhs-sidebar .filter-section { margin: 0 16px 20px; padding-bottom: 20px; }
  .lhs-sidebar .smart-specs-section { padding: 14px; }
  .filter-drawer-footer { display: block; position: sticky; bottom: 0; padding: 12px 16px max(12px, env(safe-area-inset-bottom)); background: #fff; border-top: 1px solid var(--border-light); }
  .filter-drawer-footer button { width: 100%; min-height: 48px; }
  .filter-radio-item, .category-nav-item, .smart-spec-item { min-height: 44px; padding-top: 10px; padding-bottom: 10px; font-size: .875rem; }
  .filter-radio-item input[type=radio], .filter-radio-item input[type=checkbox] { width: 20px; height: 20px; flex-shrink: 0; }
  .brand-chip-btn, .btn-reset-filters { min-height: 44px; padding: 8px 12px; font-size: .825rem; }
  .product-detail-grid { gap: 22px; }
}

@media (max-width: 640px) {
  body { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }
  .main-header { padding: max(8px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) 10px max(12px, env(safe-area-inset-left)); }
  .header-container { gap: 8px 12px; }
  .brand-group { flex: 1; }
  .brand-logo { min-height: 44px; }
  .brand-logo { --brand-mark-size: 34px; --brand-wordmark-size: 122px; gap: 6px; }
  .mobile-ready .mobile-menu-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-width: 80px; min-height: 44px; padding: 8px 10px; background: var(--bg-surface-soft); border: 1px solid var(--border-light); border-radius: 12px; color: var(--text-primary); font: inherit; font-size: .825rem; font-weight: 600; cursor: pointer; }
  .mobile-ready .main-nav-links { display: none; }
  .mobile-ready.nav-open .main-nav-links { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); overflow: visible; gap: 6px; padding-top: 4px; }
  .nav-link { min-height: 44px; display: flex; align-items: center; justify-content: center; white-space: normal; text-align: center; overflow-wrap: anywhere; padding: 8px; font-size: .825rem; border-radius: 10px; }
  .search-wrapper { order: 2; margin: 0; flex-basis: 100%; }
  .search-input-box input { font-size: 16px; min-height: 48px; padding: 12px 86px 12px 40px; border-radius: 14px; }
  .search-submit-btn { min-height: 40px; min-width: 72px; padding: 8px 12px; border-radius: 10px; font-size: .825rem; }
  .app-layout { padding: 20px 12px; }
  .content-header { align-items: stretch; gap: 14px; }
  .title-meta-wrap { width: 100%; align-items: flex-start; flex-direction: column; gap: 4px; }
  .page-title { font-size: 1.35rem; line-height: 1.3; }
  .results-badge { font-size: .825rem; }
  .controls-toolbar { width: 100%; display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 8px; }
  .sort-box { min-width: 0; }
  .sort-label { display: none; }
  .sort-select { width: 100%; max-width: none; min-width: 0; min-height: 44px; font-size: 16px; padding: 8px; }
  .btn-refresh-deals { min-height: 44px; padding: 8px 10px; }
  .btn-refresh-deals svg { flex-shrink: 0; }
  .mobile-filter-toggle { padding: 8px 10px; font-size: .825rem; }
  .page-help { font-size: .875rem; }
  .loading-banner { padding: 14px 12px; }
  .active-filters-bar { gap: 8px; align-items: flex-start; }
  .active-filters-label { width: 100%; }
  .active-tag-remove { min-width: 44px; min-height: 44px; }
  .products-tiles-grid { grid-template-columns: minmax(0,1fr); gap: 18px; }
  .product-tile { border-radius: 12px; }
  .tile-media-box { height: 180px; padding: 24px 16px 12px; }
  .tile-body { padding: 16px; }
  .tile-title { font-size: 1rem; line-height: 1.45; min-height: 46px; }
  .tile-spec-pill { font-size: .75rem; padding: 4px 8px; max-width: 100%; overflow-wrap: anywhere; }
  .tile-jev-badge { padding: 0; font-size: .78rem; }
  .jev-verdict-tag { font-size: .65rem; }
  .tile-price-row { gap: 12px; align-items: center; margin: 8px 0 14px; }
  .tile-best-price { font-size: 1.65rem; line-height: 1.2; }
  .tile-mrp { font-size: .8rem; }
  .tile-savings-tag { font-size: .75rem; }
  .tile-stores-header { font-size: .7rem; margin-bottom: 8px; line-height: 1.5; }
  .tile-store-item { padding: 8px; min-height: 56px; font-size: .875rem; }
  .price-check-label { font-size: .75rem; line-height: 1.4; }
  .tile-store-price { max-width: 45%; text-align: right; overflow-wrap: anywhere; }
  .tile-actions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .tile-actions .btn-tile-buy { grid-column: 1 / -1; }
  .tile-actions > :last-child:nth-child(2) { grid-column: 1 / -1; }
  .btn-tile-buy, .btn-tile-details, .btn-tile-offers, .btn-primary, .btn-jev-reeval { min-height: 44px; font-size: .875rem; padding: 10px 12px; }
  .lhs-sidebar { inset: auto 0 0; width: 100%; height: 92vh; height: 92dvh; border-radius: 22px 22px 0 0; }
  .modal-overlay { padding: max(12px, env(safe-area-inset-top)) 0 0; align-items: flex-end; }
  .modal-card { padding: 24px 16px max(24px, env(safe-area-inset-bottom)); max-height: 92vh; max-height: 92dvh; border-radius: 22px 22px 0 0; }
  .modal-close { width: 44px; height: 44px; top: 12px; right: 12px; }
  .modal-title { font-size: 1.15rem; padding-right: 46px; line-height: 1.4; }
  .modal-badge { display: inline-block; max-width: calc(100% - 48px); }
  .modal-subtitle { font-size: .875rem; }
  .modal-jev-card { padding: 14px; margin-bottom: 0; }
  .modal-jev-meta-row { align-items: flex-start; gap: 12px; }
  .modal-jev-verdict { font-size: .95rem; padding: 8px 10px; }
  .modal-jev-score-box { flex-wrap: wrap; }
  .modal-store-row { grid-template-columns: minmax(0,1fr); gap: 6px; }
  .modal-store-price { font-size: 1.05rem; }
  .product-page-container { padding: 20px 12px 32px; }
  .breadcrumbs { font-size: .8rem; gap: 6px; margin-bottom: 16px; }
  .breadcrumbs a { min-height: 44px; display: inline-flex; align-items: center; }
  .crumb-active { min-width: 0; flex-basis: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .product-detail-grid { grid-template-columns: minmax(0,1fr); gap: 16px; }
  .product-detail-info { display: contents; }
  .product-header-block { order: 0; padding-bottom: 0; border: 0; }
  .product-detail-media { order: 1; padding: 18px; border-radius: 18px; }
  .product-detail-media img { width: 100%; height: 210px; margin-bottom: 18px; }
  .product-price-hero-box { order: 2; grid-template-columns: minmax(0,1fr); padding: 16px; gap: 12px; }
  .price-hero-lowest { font-size: 1.9rem; }
  .price-hero-mrp { font-size: .9rem; }
  .price-hero-savings { justify-self: start; }
  #priceCheckedAt, #btnCheckPrice { grid-row: auto; grid-column: auto; }
  #btnCheckPrice { width: 100%; }
  .product-detail-title { font-size: 1.35rem; line-height: 1.4; }
  .detail-table-card { order: 3; }
  .product-detail-info .modal-jev-card { order: 4; }
  .detail-specs-card { order: 5; padding: 16px; }
  .detail-table-header { padding: 14px; }
  .detail-store-row { grid-template-columns: minmax(0,1fr) auto; gap: 10px; padding: 16px 14px; }
  .detail-store-row > :nth-child(1) { grid-column: 1; grid-row: 1; }
  .detail-store-row > :nth-child(2) { grid-column: 1 / -1; grid-row: 2; }
  .detail-store-row > :nth-child(3) { grid-column: 2; grid-row: 1; text-align: right; max-width: 130px; }
  .detail-store-row > :nth-child(4) { grid-column: 1 / -1; grid-row: 3; }
  .detail-store-row .btn-tile-buy { width: 100%; min-height: 44px; font-size: .875rem; }
  .store-offer-help { padding: 14px; }
  .deals-hero-banner { padding: 24px 18px; gap: 20px; border-radius: 18px; }
  .deals-hero-text h1 { font-size: 1.6rem; line-height: 1.3; }
  .deals-stats-strip { width: 100%; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; }
  .deals-stat-box { min-width: 0; padding: 12px 6px; border-radius: 12px; }
  .deals-stat-label { font-size: .65rem; overflow-wrap: anywhere; }
  #dealsCategoryChips { flex-wrap: nowrap; width: 100%; overflow-x: auto; padding-bottom: 8px; }
  #dealsCategoryChips .brand-chip-btn { flex-shrink: 0; }
  .about-page-container { width: 100%; padding: 28px 16px 40px; }
  .about-header { margin-bottom: 24px; text-align: left; }
  .about-header h1 { font-size: 1.8rem; }
  .about-header p { font-size: .95rem; }
  .about-card-grid { gap: 16px; margin-bottom: 24px; }
  .about-card { padding: 20px; }
  .about-card p, .about-transparency-box p { font-size: .9rem; line-height: 1.7; }
  .main-footer { padding: 24px 16px; }
  .footer-stores-list a { min-height: 44px; display: inline-flex; align-items: center; }
  .mobile-bottom-nav { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); position: fixed; bottom: 0; left: 0; right: 0; z-index: 150; background: #fff; border-top: 1px solid var(--border-light); padding: 6px max(6px,env(safe-area-inset-right)) max(6px,env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left)); box-shadow: 0 -4px 20px rgba(15,23,42,.04); }
  .mobile-nav-link { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; min-height: 52px; color: var(--text-secondary); text-decoration: none; font-size: .68rem; font-weight: 600; border-radius: 12px; }
  .mobile-nav-link.active { background: var(--accent-primary-soft); color: var(--accent-primary); }
  .toast-container { left: 12px; right: 12px; bottom: calc(80px + env(safe-area-inset-bottom)); }
  .toast { max-width: 100%; font-size: .825rem; }
}

@media (max-width: 360px) {
  .controls-toolbar { grid-template-columns: auto minmax(0,1fr); }
  #refreshAllBtn { grid-column: 1 / -1; justify-content: center; }
  .deals-stat-label { font-size: .6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
@media (hover: none) {
  .product-tile:hover { transform: none; }
  .product-tile:hover .tile-media-box img { transform: none; }
}

@media (max-width: 640px) {
  .category-strip-inner { grid-template-columns: repeat(10, 88px); padding: 8px 12px 10px; gap: 2px; scroll-padding-inline: 12px; }
  .category-shortcut { min-height: 98px; font-size: .7rem; gap: 4px; }
  .category-art { width: 64px; height: 64px; }
  .category-art-all { width: 52px; height: 52px; margin: 6px; }
  /* Browse compact tiles; full comparisons remain in Offers and Details. */
  .products-tiles-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; align-items: stretch; }
  .products-tiles-grid > .page-state { grid-column: 1 / -1; }
  .product-tile { min-width: 0; border-radius: 10px; }
  .tile-media-box { height: 132px; padding: 28px 12px 10px; }
  .tile-body { padding: 10px; }
  .tile-title { font-size: .8rem; line-height: 1.4; min-height: 36px; margin-bottom: 8px; }
  .tile-specs-pills, .tile-jev-badge, .tile-stores-block { display: none; }
  .tile-price-row { display: block; margin: 0 0 8px; }
  .tile-best-price { font-size: 1.1rem; line-height: 1.3; overflow-wrap: anywhere; }
  .tile-mrp-group { display: none; }
  .tile-mobile-store { display: block; min-height: 24px; margin-bottom: 8px; font-size: .7rem; color: var(--text-secondary); }
  .tile-mobile-store .store-identity { flex-wrap: wrap; gap: 4px; }
  .tile-mobile-store .identity-logo { flex-basis: 32px; width: 32px; height: 20px; }
  .tile-offer-callout { display: block; font-size: .68rem; font-weight: 500; color: var(--accent-primary); margin: 0 0 8px; }
  .tile-actions { margin-top: auto; gap: 4px; }
  .tile-actions .btn-tile-buy, .tile-actions .btn-tile-details, .tile-actions .btn-tile-offers { min-width: 0; min-height: 44px; padding: 8px 4px; font-size: .7rem; border-radius: 7px; }
  .tile-actions .btn-tile-buy { gap: 3px; }
  .tile-actions .btn-tile-buy svg { display: none; }
  .tile-actions .btn-tile-buy span { overflow-wrap: anywhere; }
  .tile-badge { font-size: .6rem; top: 7px; left: 7px; }
  .tile-customer-rating { font-size: .65rem; top: 7px; right: 7px; padding: 3px 5px; }
  .brand-browse { padding: 10px; margin-bottom: 12px; }
  .brand-browse-header { gap: 6px; }
  .brand-filter-select { width: 145px; }
  .quick-brand-list .brand-chip-btn { padding: 6px 10px; font-size: .75rem; }
  .lhs-sidebar .brand-chips { max-height: 220px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lhs-sidebar .brand-chip-btn { min-height: 64px; }
}