:root {
    --sf-ink: #171717;
    --sf-muted: #5f5f5f;
    --sf-soft: #f6f5f2;
    --sf-surface: #ffffff;
    --sf-panel: #fbfaf7;
    --sf-line: #dedbd4;
    --sf-line-strong: #c9c3b8;
    --sf-gold: #d4af37;
    --sf-danger: #b3261e;
    --sf-shadow: 0 18px 44px rgba(23, 23, 23, .08);
}

.shop-page button,
.shop-page a,
.shop-page select,
.shop-page input,
.checkout-page button,
.checkout-page a,
.checkout-page input,
.checkout-page select,
.checkout-page textarea {
    transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease, opacity .2s ease;
}

.shop-page button,
.shop-page label,
.shop-page select,
.checkout-page button,
.checkout-page label,
.checkout-page select {
    cursor: pointer;
}

.shop-page button:focus-visible,
.shop-page a:focus-visible,
.shop-page select:focus-visible,
.shop-page input:focus-visible,
.checkout-page button:focus-visible,
.checkout-page a:focus-visible,
.checkout-page input:focus-visible,
.checkout-page select:focus-visible,
.checkout-page textarea:focus-visible {
    outline: 3px solid var(--sf-ink);
    outline-offset: 3px;
}

body.shop-filter-sheet-open {
    overflow: hidden;
}

.shop-toolbar {
    display: grid;
    gap: .85rem;
    align-items: center;
    margin-bottom: 1rem;
}

.filter-toggle-btn {
    min-height: 42px;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .6rem 1.25rem;
    border-radius: 999px !important;
    border: 1px solid #e0e0e0 !important;
    background: #fff !important;
    color: #1a1a1a !important;
    font-size: .9rem;
    font-weight: 500 !important;
    line-height: 1;
}

.filter-toggle-btn:hover,
.filter-toggle-btn[aria-expanded="true"] {
    background: #1a1a1a !important;
    color: #fff !important;
    border-color: #1a1a1a !important;
}

.filter-toggle-btn svg {
    flex: 0 0 auto;
}

.filter-toggle-count {
    min-width: 1.4rem;
    height: 1.4rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 .35rem;
    border-radius: 999px;
    background: #fff;
    color: var(--sf-ink);
    font-size: .75rem;
    font-weight: 800;
}

.filter-toggle-count[hidden] {
    display: none !important;
}

.filter-toggle-btn.has-active-filters .filter-toggle-count {
    background: var(--sf-gold);
}

.sort-select-modern {
    min-height: 42px;
    width: auto;
    min-width: 160px;
    padding: .6rem 2.25rem .6rem 1rem;
    border-radius: 999px !important;
    border: 1px solid #e0e0e0 !important;
    color: #1a1a1a;
    background-color: #fff;
    font-size: .9rem;
    font-weight: 500;
}

.sort-select-modern:focus {
    border-color: #1a1a1a !important;
    box-shadow: 0 0 0 3px rgba(23, 23, 23, .08);
    outline: 0;
}

.results-count {
    color: var(--sf-muted);
    font-size: .95rem;
    line-height: 1.3;
}

.results-count strong {
    color: var(--sf-ink);
    font-weight: 700;
}

.shop-quick-filters {
    display: flex;
    gap: .5rem;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: .1rem .05rem .8rem;
    margin-bottom: .65rem;
}

.shop-quick-filters::-webkit-scrollbar {
    display: none;
}

.shop-quick-filter {
    min-height: 40px;
    flex: 0 0 auto;
    border: 1px solid var(--sf-line);
    border-radius: 999px;
    background: #fff;
    color: var(--sf-ink);
    padding: .55rem .9rem;
    font-size: .9rem;
    font-weight: 600;
    white-space: nowrap;
}

.shop-quick-filter:hover {
    border-color: var(--sf-line-strong);
    background: var(--sf-soft);
}

.shop-quick-filter.is-active,
.shop-quick-filter[aria-pressed="true"] {
    border-color: var(--sf-ink);
    background: var(--sf-ink);
    color: #fff;
}

.shop-layout {
    display: block;
}

.shop-results-column {
    min-width: 0;
}

.filter-panel {
    background: var(--sf-panel);
    border: 1px solid rgba(222, 219, 212, .82);
    box-shadow: var(--sf-shadow);
}

.filter-panel-header,
.filter-header-actions,
.filter-panel-actions,
.filter-stock-card,
.filter-group summary,
.shop-stock-filter,
.shop-filter-chip,
.shop-retry,
.shop-empty-clear,
.filter-done-btn,
.filter-clear-btn {
    display: flex;
    align-items: center;
}

.filter-panel-header {
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--sf-line);
}

.filter-panel-header h2 {
    margin: 0;
    color: var(--sf-ink);
    font-size: 1.12rem;
    font-weight: 700;
    letter-spacing: -.01em;
}

.filter-panel-header p {
    margin: .2rem 0 0;
    color: var(--sf-muted);
    font-size: .9rem;
}

.filter-panel-header p strong {
    color: var(--sf-ink);
}

.filter-header-actions {
    gap: .5rem;
}

.filter-sheet-close-btn {
    width: 42px;
    height: 42px;
    justify-content: center;
    border: 1px solid var(--sf-line);
    border-radius: 50%;
    background: #fff;
    color: var(--sf-ink);
}

.filter-sheet-close-btn:hover {
    border-color: var(--sf-ink);
    background: var(--sf-soft);
}

.filter-clear-btn,
.shop-filter-chip,
.shop-retry,
.shop-empty-clear {
    min-height: 40px;
    justify-content: center;
    gap: .35rem;
    border: 1px solid var(--sf-line);
    background: #fff;
    color: var(--sf-ink);
    border-radius: 8px;
    padding: .55rem .85rem;
    font-weight: 600;
    line-height: 1.1;
}

.filter-clear-btn:hover,
.shop-retry:hover,
.shop-empty-clear:hover {
    background: #fff8f7 !important;
    color: var(--sf-danger) !important;
    border-color: #e3b2ad !important;
}

.filter-clear-btn-compact {
    min-height: 38px;
    padding-inline: .75rem;
    font-size: .86rem;
}

.filter-stock-card {
    justify-content: space-between;
    gap: .9rem;
    padding: .85rem;
    margin-bottom: .9rem;
    border: 1px solid var(--sf-line);
    border-radius: 14px;
    background: #fff;
}

.filter-stock-card > span {
    color: var(--sf-ink);
    font-weight: 700;
}

.shop-stock-filter {
    position: relative;
    justify-content: center;
    gap: .5rem;
    margin: 0;
    min-height: 42px;
    padding: .45rem .72rem;
    border: 1px solid var(--sf-line);
    border-radius: 999px;
    background: #fff;
    color: var(--sf-ink);
    font-weight: 700;
    user-select: none;
}

.shop-stock-filter:hover {
    border-color: var(--sf-line-strong);
    background: var(--sf-soft);
}

.shop-stock-filter.is-active {
    border-color: var(--sf-ink);
    background: var(--sf-ink);
    color: #fff;
}

.shop-stock-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.shop-stock-check {
    width: 19px;
    height: 19px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--sf-line-strong);
    border-radius: 6px;
    background: #fff;
    color: transparent;
}

.shop-stock-input:checked + .shop-stock-check {
    border-color: #fff;
    color: var(--sf-ink);
}

.shop-stock-input:focus-visible + .shop-stock-check {
    outline: 3px solid rgba(212, 175, 55, .38);
    outline-offset: 3px;
}

.active-shop-filters {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin: .9rem 0 1rem;
}

.shop-filter-chip {
    border-radius: 999px;
    background: var(--sf-soft);
    border-color: transparent;
    color: var(--sf-ink);
    font-size: .86rem;
}

.shop-filter-chip:hover {
    background: #edeae3;
    border-color: var(--sf-line-strong);
}

.filter-group {
    border-top: 1px solid var(--sf-line);
}

.filter-group:last-of-type {
    border-bottom: 1px solid var(--sf-line);
}

.filter-group summary {
    min-height: 54px;
    justify-content: space-between;
    gap: .75rem;
    list-style: none;
    color: var(--sf-ink);
    font-weight: 700;
}

.filter-group summary::-webkit-details-marker {
    display: none;
}

.filter-group summary::after {
    content: '';
    width: .54rem;
    height: .54rem;
    border-right: 1.8px solid currentColor;
    border-bottom: 1.8px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    transition: transform .2s ease;
}

.filter-group[open] summary::after {
    transform: rotate(-135deg) translateY(-1px);
}

.filter-group-count {
    margin-inline-start: auto;
    color: var(--sf-muted);
    font-size: .82rem;
    font-weight: 600;
}

.filter-group-content {
    padding-bottom: 1rem;
}

.filter-group-content .form-check {
    min-height: 38px;
    display: flex;
    align-items: center;
    gap: .65rem;
    margin-bottom: .25rem !important;
    padding-left: 0;
}

.filter-group-content .form-check-input {
    position: static;
    margin: 0;
    width: 18px;
    height: 18px;
    border-color: var(--sf-line-strong);
}

.filter-group-content .form-check-input:checked {
    background-color: var(--sf-ink);
    border-color: var(--sf-ink);
}

.filter-group-content .form-check-label {
    color: var(--sf-ink);
    line-height: 1.25;
}

.filter-group-content .text-muted {
    color: var(--sf-muted) !important;
}

.filter-size-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .55rem;
}

.filter-size-option {
    margin: 0;
    display: block;
    position: relative;
}

.filter-size-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.filter-size-option span {
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--sf-line);
    border-radius: 10px;
    background: #fff;
    color: var(--sf-ink);
    font-weight: 650;
}

.filter-size-option input:checked + span {
    border-color: var(--sf-ink);
    background: var(--sf-ink);
    color: #fff;
}

.filter-size-option:hover span {
    border-color: var(--sf-line-strong);
    background: var(--sf-soft);
}

.filter-size-option input:checked + span:hover {
    background: #2b2b2b;
}

.filter-size-option input:focus-visible + span {
    outline: 3px solid var(--sf-ink);
    outline-offset: 3px;
}

.filter-price-values {
    display: flex;
    justify-content: space-between;
    gap: .75rem;
    color: var(--sf-ink);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

#slider-snap {
    margin: .75rem .25rem 1rem;
}

#slider-snap .noUi-connect {
    background: var(--sf-ink);
}

#slider-snap .noUi-handle {
    width: 22px;
    height: 22px;
    right: -11px;
    top: -8px;
    border: 2px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 1px var(--sf-ink), 0 6px 14px rgba(0, 0, 0, .16);
}

#slider-snap .noUi-handle::before,
#slider-snap .noUi-handle::after {
    display: none;
}

.filter-color-grid {
    display: flex;
    flex-wrap: wrap;
    gap: .72rem;
    padding-top: .15rem;
}

.color-swatch {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 0 1px var(--sf-line-strong);
    cursor: pointer;
}

.color-swatch:hover,
.shop-color-input:checked + label,
.shop-color-input:focus-visible + label {
    box-shadow: 0 0 0 2px var(--sf-ink), 0 6px 14px rgba(0, 0, 0, .12);
}

.filter-panel-actions {
    justify-content: space-between;
    gap: .7rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--sf-line);
}

.filter-done-btn {
    min-height: 44px;
    flex: 1;
    justify-content: center;
    gap: .35rem;
    padding: .6rem 1rem;
    border: 1px solid var(--sf-ink);
    border-radius: 10px;
    background: var(--sf-ink);
    color: #fff;
    font-weight: 800;
}

.filter-done-btn:hover {
    background: #2b2b2b;
}

#shopLoadError {
    padding: 1rem 0;
    color: var(--sf-danger);
}

#ProductsDiv {
    position: relative;
    min-height: 160px;
}

.shop-loading {
    opacity: .72;
    pointer-events: none;
}

.shop-loading::before {
    content: '';
    display: block;
    position: absolute;
    inset: 0;
    z-index: 1;
    background: rgba(255, 255, 255, .58);
}

.skeleton-card {
    min-height: 280px;
    border-radius: 8px;
    background: linear-gradient(90deg, #eee, #f8f8f8, #eee);
    background-size: 200% 100%;
    animation: storefrontShimmer 1.2s ease-in-out infinite;
}

.product-trend-badge {
    position: absolute;
    top: .5rem;
    right: .5rem;
    z-index: 5;
    padding: .25rem .5rem;
    background: rgba(255, 255, 255, .95);
    color: #1a1a1a;
    border: 1px solid #eee;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .05);
    font-size: .6rem;
    font-weight: 600;
    letter-spacing: .03em;
    line-height: 1.1;
    text-transform: uppercase;
}

@media (min-width: 768px) {
    .product-trend-badge {
        top: .75rem;
        right: .75rem;
    }
}

.product-card-action {
    width: 100%;
    min-height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    margin-top: .8rem;
    padding: .55rem .75rem;
    border: 1px solid var(--sf-line);
    border-radius: 8px;
    background: var(--sf-soft);
    color: var(--sf-ink);
    font-size: .78rem;
    font-weight: 700;
    line-height: 1.1;
}

.product-card-action:hover,
.product-card-action:focus-visible {
    border-color: var(--sf-ink);
    background: var(--sf-ink);
    color: #fff;
}

.product-card-action svg {
    flex: 0 0 auto;
}

@media (min-width: 768px) {
    .product-card-action {
        display: none !important;
    }
}

.checkout-field-error,
#checkoutSubmitError {
    color: var(--sf-danger);
    font-size: .9rem;
    margin-top: .5rem;
}

#checkoutSubmitError {
    padding: .9rem 1rem;
    background: #fff8f7;
    border: 1px solid #e3b2ad;
    border-radius: 6px;
}

.checkout-page .checkout-form-section,
.checkout-page .order-summary,
.checkout-page .payment-option,
.checkout-page .delivery-notice {
    border-radius: 8px;
}

.checkout-page .form-input-modern:focus,
.checkout-page .form-select-modern:focus,
.checkout-page .promo-form input:focus,
.checkout-page .select2-container--default.select2-container--focus .select2-selection--single,
.checkout-page .select2-container--default.select2-container--open .select2-selection--single {
    border-color: var(--sf-ink);
    box-shadow: 0 0 0 3px rgba(23, 23, 23, .08);
}

.checkout-page .has-error,
.checkout-page select.has-error + .select2-container .select2-selection--single {
    border-color: var(--sf-danger) !important;
    box-shadow: 0 0 0 3px rgba(179, 38, 30, .12) !important;
    transform: none !important;
    animation: none !important;
}

.checkout-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    margin-bottom: .5rem;
}

.checkout-label-row label {
    margin-bottom: 0;
}

.checkout-gps-btn {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    min-height: 34px;
    padding: .25rem .55rem;
    border: 1px solid var(--sf-line);
    border-radius: 6px;
    background: #fff;
    color: var(--sf-ink);
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
}

.checkout-gps-btn svg {
    width: 14px;
    height: 14px;
}

.checkout-gps-loader {
    color: var(--sf-muted);
    font-size: .82rem;
}

.checkout-item-photo {
    width: 58px;
    height: 75px;
    object-fit: cover;
    border-radius: 4px;
    background: var(--sf-soft);
}

.checkout-item-detail {
    flex: 1;
    min-width: 0;
}

.checkout-item-variant {
    display: block;
    font-size: .85rem;
    color: var(--sf-muted);
    margin-top: .3rem;
}

.checkout-page .order-item {
    gap: .75rem;
    align-items: flex-start;
}

.checkout-page .promo-details {
    margin-bottom: 1.25rem;
}

.checkout-page .promo-details summary {
    min-height: 40px;
    display: flex;
    align-items: center;
    cursor: pointer;
    color: var(--sf-ink);
    font-weight: 600;
}

.checkout-page #total,
.checkout-page #ShippingEx {
    font-variant-numeric: tabular-nums;
}

.checkout-step-num svg,
.empty-cart-icon svg {
    width: 1em;
    height: 1em;
    display: block;
}

.empty-cart-icon {
    width: 64px;
    height: 64px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--sf-ink);
    background: var(--sf-soft);
    border-radius: 50%;
}

.empty-cart-icon svg {
    font-size: 2rem;
}

.checkout-continue-btn {
    border-radius: 6px !important;
    padding: .75rem 1.4rem !important;
}

@keyframes storefrontShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@media (min-width: 992px) {
    .shop-toolbar {
        grid-template-columns: auto auto minmax(0, 1fr);
        column-gap: .75rem;
        border-bottom: 1px solid #eee;
        padding-bottom: 1rem;
    }

    .shop-quick-filters,
    .filter-sheet-close-btn {
        display: none !important;
    }

    .filter-toggle-btn {
        grid-column: 1;
        grid-row: 1;
    }

    .results-count {
        grid-column: 3;
        grid-row: 1;
        align-self: center;
        justify-self: end;
    }

    .sort-select-modern {
        grid-column: 2;
        grid-row: 1;
        justify-self: start;
        width: 180px;
    }

    .shop-layout {
        display: grid;
        grid-template-columns: minmax(248px, 288px) minmax(0, 1fr);
        gap: 2rem;
        align-items: start;
    }

    .shop-filter-collapse.show,
    .shop-filter-collapse.collapsing {
        display: block !important;
        visibility: visible;
    }

    .shop-filter-collapse.desktop-filter-closed {
        display: none !important;
    }

    .shop-layout.filter-panel-closed {
        grid-template-columns: minmax(0, 1fr);
    }

    .shop-layout.filter-panel-closed .shop-filter-column {
        display: none;
    }

    .shop-filter-column .filter-panel {
        position: sticky;
        top: 88px;
        max-height: calc(100svh - 110px);
        overflow: auto;
        border-radius: 18px;
        padding: 1.25rem;
        box-shadow: none;
    }

    .filter-panel-actions {
        display: none !important;
    }
}

@media (max-width: 991px) {
    .shop-page {
        padding-inline: 1rem;
    }

    .shop-toolbar {
        grid-template-columns: minmax(0, .95fr) minmax(0, 1.35fr);
        gap: .7rem;
        align-items: stretch;
        margin-bottom: .75rem;
    }

    .filter-toggle-btn {
        grid-column: 1;
        grid-row: 1;
    }

    .sort-select-modern {
        grid-column: 2;
        grid-row: 1;
    }

    .filter-toggle-btn,
    .sort-select-modern {
        min-width: 0;
        width: 100%;
    }

    .results-count {
        grid-column: 1 / -1;
        grid-row: 2;
        padding-top: .1rem;
    }

    .shop-filter-collapse.show,
    .shop-filter-collapse.collapsing {
        position: fixed;
        inset: 0;
        z-index: 1080;
        display: block !important;
        height: auto !important;
        overflow: hidden;
        background: rgba(17, 17, 17, .34);
    }

    .shop-filter-collapse .filter-panel {
        position: absolute;
        inset: 0;
        width: 100%;
        max-width: none;
        height: 100%;
        max-height: none;
        display: flex;
        flex-direction: column;
        overflow: auto;
        border: 0;
        border-radius: 0;
        padding: 0 1rem 1rem;
        background: #fff;
        box-shadow: none;
    }

    .filter-panel-header {
        position: sticky;
        top: 0;
        z-index: 2;
        margin-inline: -1rem;
        margin-bottom: .75rem;
        padding: calc(.9rem + env(safe-area-inset-top)) 1rem .9rem;
        background: rgba(255, 255, 255, .97);
        backdrop-filter: blur(10px);
    }

    .filter-stock-card {
        margin-top: .1rem;
    }

    .filter-group summary {
        min-height: 58px;
    }

    .filter-group-content .form-check {
        min-height: 42px;
    }

    .filter-group-content .form-check-input {
        width: 20px;
        height: 20px;
    }

    .filter-size-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .color-swatch {
        width: 36px;
        height: 36px;
    }

    .filter-panel-actions {
        position: sticky;
        bottom: 0;
        z-index: 2;
        margin-top: auto;
        margin-inline: -1rem;
        padding: .85rem 1rem calc(.85rem + env(safe-area-inset-bottom));
        background: rgba(255, 255, 255, .97);
        backdrop-filter: blur(10px);
    }

    .filter-panel-actions .filter-clear-btn {
        min-width: 96px;
    }

    .checkout-label-row {
        align-items: flex-start;
        flex-direction: column;
        gap: .4rem;
    }

    .checkout-gps-btn {
        min-height: 40px;
    }
}

@media (max-width: 390px) {
    .shop-toolbar {
        grid-template-columns: minmax(0, .95fr) minmax(0, 1.35fr);
    }

    .filter-size-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (prefers-reduced-motion: reduce) {
    .shop-page *,
    .checkout-page * {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}