/* ═══════════════════════════════════════════
   Storefront Default Template – CSS
   ═══════════════════════════════════════════ */

:root {
    --sf-primary: #2563eb;
    --sf-primary-dark: #1d4ed8;
    --sf-accent: #f59e0b;
    --sf-bg: #f8fafc;
    --sf-card-bg: #ffffff;
    --sf-text: #1e293b;
    --sf-text-light: #64748b;
    --sf-border: #e2e8f0;
    --sf-success: #16a34a;
    --sf-danger: #dc2626;
    --sf-radius: 8px;
    --sf-shadow: 0 1px 3px rgba(0,0,0,0.08);
    --sf-shadow-lg: 0 4px 12px rgba(0,0,0,0.12);
    --sf-max-width: 1200px;
    --sf-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

body {
    margin: 0;
    font-family: var(--sf-font);
    font-size: 15px;
    line-height: 1.6;
    color: var(--sf-text);
    background: var(--sf-bg);
}

a { color: var(--sf-primary); text-decoration: none; }
a:hover { color: var(--sf-primary-dark); }
img { max-width: 100%; height: auto; }

.sf-container {
    max-width: var(--sf-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ── Header ── */

.sf-header {
    background: var(--sf-card-bg);
    border-bottom: 1px solid var(--sf-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--sf-shadow);
}

.sf-header-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    height: 64px;
}

.sf-logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--sf-text);
    white-space: nowrap;
}
.sf-logo:hover { color: var(--sf-primary); }

.sf-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}
.sf-nav > a,
.sf-dropdown-toggle {
    padding: 8px 14px;
    border-radius: var(--sf-radius);
    color: var(--sf-text);
    font-weight: 500;
    font-size: 14px;
    transition: background 0.15s;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
}
.sf-nav > a:hover,
.sf-dropdown-toggle:hover {
    background: var(--sf-bg);
}

.sf-dropdown { position: relative; }
.sf-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--sf-card-bg);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    box-shadow: var(--sf-shadow-lg);
    min-width: 200px;
    padding: 6px 0;
    z-index: 200;
}
.sf-dropdown:hover .sf-dropdown-menu { display: block; }
.sf-dropdown-menu a {
    display: block;
    padding: 8px 16px;
    color: var(--sf-text);
    font-size: 14px;
    white-space: nowrap;
}
.sf-dropdown-menu a:hover { background: var(--sf-bg); }
.sf-dd-all { font-weight: 600; border-bottom: 1px solid var(--sf-border); }
.sf-dd-root { font-weight: 600; }
.sf-dd-sub { padding-left: 28px !important; font-size: 13px; color: var(--sf-muted); }
.sf-cat-subcount { display: block; font-size: 0.8rem; color: var(--sf-muted); margin-top: 4px; }
.sf-subcats-grid { margin-bottom: 24px; }
.sf-cat-sub h3 { font-size: 0.95rem; }
.sf-cat-sub .sf-cat-subcount { font-size: 0.75rem; }

.sf-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.sf-search-mini {
    display: flex;
    align-items: center;
    background: var(--sf-bg);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    overflow: hidden;
}
.sf-input-search {
    border: none;
    background: transparent;
    padding: 6px 12px;
    font-size: 14px;
    width: 160px;
    outline: none;
}
.sf-search-mini button {
    border: none;
    background: transparent;
    padding: 6px 10px;
    cursor: pointer;
    color: var(--sf-text-light);
}

.sf-header-icon {
    position: relative;
    color: var(--sf-text);
    font-size: 18px;
    padding: 6px;
}
.sf-header-icon:hover { color: var(--sf-primary); }

.sf-cart-badge {
    position: absolute;
    top: -4px;
    right: -6px;
    background: var(--sf-primary);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.sf-cart-badge:empty,
.sf-cart-badge[data-count="0"] { display: none; }

/* ── Main ── */

.sf-main {
    min-height: calc(100vh - 64px - 80px);
    padding-top: 24px;
    padding-bottom: 48px;
}

/* ── Hero ── */

.sf-hero {
    text-align: center;
    padding: 48px 20px;
    background: linear-gradient(135deg, var(--sf-primary), var(--sf-primary-dark));
    color: #fff;
    border-radius: var(--sf-radius);
    margin-bottom: 32px;
}
.sf-hero h1 {
    margin: 0;
    font-size: 32px;
    font-weight: 700;
}

/* ── Hero Carousel ── */
.sf-hero-carousel {
    position: relative;
    overflow: hidden;
    padding: 0;
    min-height: 300px;
    max-height: 500px;
    background: #111;
}
.sf-hero-track { position: relative; width: 100%; height: 100%; }
.sf-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}
.sf-slide-active { opacity: 1; position: relative; }
.sf-slide-media {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 300px;
    max-height: 500px;
}
.sf-slide-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.35);
    color: #fff;
    padding: 20px;
    text-align: center;
}
.sf-slide-title { font-size: 2rem; font-weight: 700; margin: 0 0 8px; text-shadow: 0 2px 8px rgba(0,0,0,0.5); }
.sf-slide-subtitle { font-size: 1.1rem; margin: 0 0 16px; text-shadow: 0 1px 4px rgba(0,0,0,0.5); }
.sf-slide-btn { display: inline-block; padding: 10px 24px; background: var(--sf-primary); color: #fff; border-radius: 6px; font-weight: 600; text-decoration: none; }
.sf-slide-btn:hover { background: var(--sf-primary-dark); }
.sf-slide-link-full { position: absolute; inset: 0; z-index: 2; }
.sf-hero-prev, .sf-hero-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.25);
    border: none;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    z-index: 5;
    backdrop-filter: blur(4px);
}
.sf-hero-prev:hover, .sf-hero-next:hover { background: rgba(255,255,255,0.5); }
.sf-hero-prev { left: 12px; }
.sf-hero-next { right: 12px; }
.sf-hero-dots {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 5;
}
.sf-hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: background 0.3s;
}
.sf-dot-active { background: #fff; }

/* ── Hero Products ── */
.sf-hero-products {
    padding: 32px 20px;
}
.sf-hero-products h2 { margin: 0 0 20px; font-size: 1.5rem; }
.sf-hero-prod-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

/* ── Sections ── */

.sf-section {
    margin-bottom: 40px;
}
.sf-section h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 16px;
}

/* ── Grid ── */

.sf-grid {
    display: grid;
    gap: 20px;
}
.sf-grid-cats {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}
.sf-grid-products {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

/* ── Cards ── */

.sf-card {
    background: var(--sf-card-bg);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.15s;
}
.sf-card:hover {
    box-shadow: var(--sf-shadow-lg);
    transform: translateY(-2px);
}

.sf-cat-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    text-align: center;
    color: var(--sf-text);
}
.sf-cat-card h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.sf-product-card {
    display: flex;
    flex-direction: column;
}
.sf-product-link {
    display: block;
    color: var(--sf-text);
    flex: 1;
}
.sf-product-img {
    width: 100%;
    aspect-ratio: 1/1;
    background: var(--sf-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.sf-product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.sf-no-img {
    background: var(--sf-bg);
    color: var(--sf-text-light);
}

.sf-product-info {
    padding: 12px 14px 8px;
}
.sf-product-title {
    margin: 0 0 4px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sf-product-sku {
    font-size: 11px;
    color: var(--sf-text-light);
    display: block;
    margin-bottom: 6px;
}
.sf-product-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--sf-primary);
    display: block;
}

.sf-btn-cart {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    padding: 10px;
    border: none;
    border-top: 1px solid var(--sf-border);
    background: transparent;
    color: var(--sf-primary);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    font-family: inherit;
}
.sf-btn-cart:hover {
    background: var(--sf-primary);
    color: #fff;
}

/* ── Buttons ── */

.sf-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--sf-radius);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background 0.15s;
    font-family: inherit;
    background: var(--sf-primary);
    color: #fff;
    text-decoration: none;
}
.sf-btn:hover { background: var(--sf-primary-dark); color: #fff; }

.sf-btn-primary { background: var(--sf-primary); color: #fff; }
.sf-btn-primary:hover { background: var(--sf-primary-dark); color: #fff; }

.sf-btn-outline {
    background: transparent;
    border: 1px solid var(--sf-border);
    color: var(--sf-text);
}
.sf-btn-outline:hover {
    background: var(--sf-bg);
    color: var(--sf-text);
}

.sf-btn-sm { padding: 6px 14px; font-size: 13px; }

.sf-btn-icon {
    background: transparent;
    border: none;
    color: var(--sf-text-light);
    cursor: pointer;
    padding: 6px;
    font-size: 16px;
}
.sf-btn-icon:hover { color: var(--sf-danger); }

/* ── Breadcrumb ── */

.sf-breadcrumb {
    font-size: 13px;
    color: var(--sf-text-light);
    margin-bottom: 16px;
}
.sf-breadcrumb a { color: var(--sf-text-light); }
.sf-breadcrumb a:hover { color: var(--sf-primary); }

/* ── Toolbar ── */

.sf-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 10px;
}
.sf-toolbar-count {
    font-size: 14px;
    color: var(--sf-text-light);
}
.sf-toolbar-sort {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}
.sf-toolbar-sort label { color: var(--sf-text-light); }
.sf-toolbar-sort a {
    padding: 4px 10px;
    border-radius: 4px;
    color: var(--sf-text);
    font-size: 13px;
}
.sf-toolbar-sort a.active {
    background: var(--sf-primary);
    color: #fff;
}

/* ── Pagination ── */

.sf-pagination {
    display: flex;
    gap: 4px;
    justify-content: center;
    margin-top: 24px;
}
.sf-pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--sf-radius);
    color: var(--sf-text);
    font-size: 14px;
    border: 1px solid var(--sf-border);
}
.sf-pagination a.active {
    background: var(--sf-primary);
    color: #fff;
    border-color: var(--sf-primary);
}

/* ── Product Detail ── */

.sf-product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 16px;
}

.sf-gallery-main {
    border-radius: var(--sf-radius);
    overflow: hidden;
    background: var(--sf-bg);
    aspect-ratio: 1/1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.sf-gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.sf-gallery-thumbs {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}
.sf-thumb {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 4px;
    border: 2px solid var(--sf-border);
    cursor: pointer;
    transition: border-color 0.15s;
}
.sf-thumb:hover { border-color: var(--sf-primary); }

.sf-product-info-detail h1 {
    font-size: 26px;
    margin: 0 0 8px;
}
.sf-detail-sku {
    font-size: 13px;
    color: var(--sf-text-light);
    margin-bottom: 16px;
}
.sf-detail-price {
    margin-bottom: 20px;
}
.sf-price-main {
    font-size: 28px;
    font-weight: 700;
    color: var(--sf-primary);
}
.sf-price-vat {
    display: block;
    font-size: 13px;
    color: var(--sf-text-light);
    margin-top: 2px;
}
.sf-detail-short {
    color: var(--sf-text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.sf-detail-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
}
.sf-qty-row {
    display: flex;
    align-items: center;
    gap: 8px;
}
.sf-input-qty {
    width: 64px;
    padding: 8px 10px;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    font-size: 14px;
    text-align: center;
}
.sf-btn-cart-big {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--sf-primary);
    color: #fff;
    border: none;
    border-radius: var(--sf-radius);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s;
}
.sf-btn-cart-big:hover { background: var(--sf-primary-dark); }

.sf-detail-manufacturer {
    font-size: 14px;
    color: var(--sf-primary);
    font-weight: 500;
    margin-bottom: 8px;
}
.sf-detail-manufacturer i { margin-right: 4px; }
.sf-detail-meta {
    font-size: 13px;
    color: var(--sf-text-light);
    margin-bottom: 4px;
}
.sf-meta-label {
    font-weight: 600;
    color: var(--sf-text);
}
.sf-detail-stock {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    margin: 12px 0 16px;
}
.sf-in-stock { background: #e8f5e9; color: #2e7d32; }
.sf-out-stock { background: #ffebee; color: #c62828; }
.sf-detail-filters {
    margin: 12px 0 16px;
    padding: 12px 16px;
    background: var(--sf-bg);
    border-radius: var(--sf-radius);
}
.sf-filter-row {
    font-size: 13px;
    padding: 4px 0;
    color: var(--sf-text);
}
.sf-detail-weight {
    margin-top: 16px;
    color: var(--sf-text-light);
}
.sf-detail-weight i { margin-right: 4px; }
.sf-detail-cats {
    margin-top: 12px;
    font-size: 13px;
    color: var(--sf-text-light);
}
.sf-detail-cats a {
    color: var(--sf-primary);
}
.sf-detail-cats a:hover { text-decoration: underline; }

.sf-detail-desc {
    margin-top: 32px;
    border-top: 1px solid var(--sf-border);
    padding-top: 24px;
}
.sf-detail-desc h2 { font-size: 18px; }
.sf-desc-body { line-height: 1.7; color: var(--sf-text); }

/* ── Category Layout (sidebar + products) ── */

.sf-cat-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 24px;
    margin-top: 16px;
}
.sf-filters-sidebar {
    padding: 16px;
    background: var(--sf-bg);
    border-radius: var(--sf-radius);
    align-self: start;
    position: sticky;
    top: 20px;
}
.sf-filters-sidebar h3 {
    font-size: 15px;
    margin: 0 0 12px;
}
.sf-filter-group {
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--sf-border);
}
.sf-filter-group h4 {
    font-size: 13px;
    font-weight: 600;
    margin: 0 0 6px;
}
.sf-filter-opt {
    display: block;
    font-size: 13px;
    padding: 3px 0;
    cursor: pointer;
    color: var(--sf-text);
}
.sf-filter-opt input { margin-right: 6px; }
.sf-products-main { min-width: 0; }

/* ── Cart ── */

.sf-cart-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.sf-cart-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}
.sf-cart-table th {
    text-align: left;
    padding: 10px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--sf-text-light);
    border-bottom: 2px solid var(--sf-border);
}
.sf-cart-table td {
    padding: 12px;
    border-bottom: 1px solid var(--sf-border);
    vertical-align: middle;
}
.sf-cart-table a { color: var(--sf-text); font-weight: 500; }
.sf-cart-table a:hover { color: var(--sf-primary); }

.sf-cart-img { width: 48px; }
.sf-no-img-sm {
    width: 48px;
    height: 48px;
    border-radius: 4px;
    background: var(--sf-bg);
}

.sf-cart-qty {
    width: 60px;
}

.sf-cart-coupon {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.sf-coupon-input {
    padding: 8px 12px;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    font-size: 14px;
    width: 200px;
}
.sf-coupon-active {
    font-size: 14px;
    color: var(--sf-success);
}

.sf-cart-totals {
    max-width: 320px;
    margin-left: auto;
    margin-bottom: 24px;
}
.sf-total-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 14px;
}
.sf-total-discount { color: var(--sf-success); }
.sf-total-grand {
    font-size: 18px;
    font-weight: 700;
    border-top: 2px solid var(--sf-text);
    padding-top: 10px;
    margin-top: 6px;
}

.sf-cart-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

/* ── Search ── */

.sf-search-form {
    display: flex;
    gap: 10px;
    margin-bottom: 24px;
    max-width: 500px;
}
.sf-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    font-size: 14px;
}

/* ── Misc ── */

.sf-empty {
    text-align: center;
    color: var(--sf-text-light);
    padding: 40px 0;
    font-size: 16px;
}

/* ── Toast ── */

.sf-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--sf-text);
    color: #fff;
    padding: 12px 20px;
    border-radius: var(--sf-radius);
    font-size: 14px;
    box-shadow: var(--sf-shadow-lg);
    z-index: 9999;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s, transform 0.3s;
    pointer-events: none;
}
.sf-toast.sf-toast-show {
    opacity: 1;
    transform: translateY(0);
}
.sf-toast-error { background: var(--sf-danger); }
.sf-toast-success { background: var(--sf-success); }

/* ── Footer ── */

.sf-footer {
    background: var(--sf-card-bg);
    border-top: 1px solid var(--sf-border);
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: var(--sf-text-light);
}

/* ── Responsive ── */

@media (max-width: 768px) {
    .sf-header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 10px 20px;
        gap: 10px;
    }
    .sf-nav { order: 3; width: 100%; overflow-x: auto; }
    .sf-search-mini { order: 2; }
    .sf-input-search { width: 120px; }

    .sf-product-layout {
        grid-template-columns: 1fr;
    }
    .sf-hero h1 { font-size: 24px; }
    .sf-hero { padding: 32px 16px; }
    .sf-hero-carousel { min-height: 200px; max-height: 300px; }
    .sf-slide-media { min-height: 200px; max-height: 300px; }
    .sf-slide-title { font-size: 1.3rem; }
    .sf-slide-subtitle { font-size: 0.9rem; }
    .sf-hero-prev, .sf-hero-next { width: 32px; height: 32px; font-size: 14px; }
    .sf-hero-prod-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }

    .sf-grid-products {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
    .sf-grid-cats {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .sf-cart-table { font-size: 13px; }
    .sf-cart-table th:nth-child(1),
    .sf-cart-table td:nth-child(1) { display: none; }
    .sf-cart-actions { flex-direction: column; }
}

@media (max-width: 480px) {
    .sf-grid-products {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .sf-product-title { font-size: 13px; }
    .sf-product-price { font-size: 14px; }
}

/* ═══════════════════════════════════════════
   Checkout
   ═══════════════════════════════════════════ */

.sf-checkout-center {
    max-width: 720px;
    margin: 0 auto;
}

.sf-steps {
    display: flex;
    gap: 4px;
    margin-bottom: 28px;
}
.sf-step {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    background: var(--sf-bg);
    border-radius: var(--sf-radius);
    font-size: 13px;
    font-weight: 500;
    color: var(--sf-text-light);
}
.sf-step-active {
    background: var(--sf-primary);
    color: #fff;
}
.sf-step-done {
    background: #e0f2fe;
    color: var(--sf-primary);
}
.sf-step-num {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    background: rgba(0,0,0,0.1);
    flex-shrink: 0;
}
.sf-step-active .sf-step-num { background: rgba(255,255,255,0.25); }
.sf-step-done .sf-step-num { background: var(--sf-primary); color: #fff; }

.sf-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.sf-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
}
.sf-field label {
    font-size: 13px;
    font-weight: 500;
    color: var(--sf-text-light);
}
.sf-field-full {
    grid-column: 1 / -1;
}
.sf-textarea {
    resize: vertical;
    min-height: 60px;
}

.sf-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
}
.sf-checkbox input { width: 16px; height: 16px; }

.sf-option-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}
.sf-option-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: 2px solid var(--sf-border);
    border-radius: var(--sf-radius);
    cursor: pointer;
    transition: border-color 0.15s;
}
.sf-option-item:hover { border-color: var(--sf-primary); }
.sf-option-item input[type="radio"] { width: 18px; height: 18px; flex-shrink: 0; }
.sf-option-item input[type="radio"]:checked ~ .sf-option-info { color: var(--sf-primary); }
.sf-option-item:has(input:checked) { border-color: var(--sf-primary); background: #eff6ff; }
.sf-option-info {
    display: flex;
    flex: 1;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.sf-option-price { font-weight: 600; color: var(--sf-text-light); }
.sf-option-tag {
    font-size: 11px;
    background: #dcfce7;
    color: #16a34a;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 600;
}

.sf-checkout-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--sf-border);
}

.sf-confirm-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.sf-confirm-block {
    background: var(--sf-bg);
    padding: 16px;
    border-radius: var(--sf-radius);
}
.sf-confirm-block h3 {
    margin: 0 0 8px;
    font-size: 14px;
    color: var(--sf-text-light);
}
.sf-confirm-block p {
    margin: 0;
    font-size: 14px;
    line-height: 1.6;
}
.sf-confirm-table { margin-bottom: 20px; }

.sf-btn-lg { padding: 14px 32px; font-size: 16px; }
.sf-btn-block { width: 100%; justify-content: center; }

/* ── Alerts ── */

.sf-alert {
    padding: 12px 16px;
    border-radius: var(--sf-radius);
    margin-bottom: 16px;
    font-size: 14px;
}
.sf-alert p { margin: 2px 0; }
.sf-alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.sf-alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.sf-alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }

/* ── Auth ── */

.sf-auth-center {
    max-width: 440px;
    margin: 0 auto;
}
.sf-auth-card {
    background: var(--sf-card-bg);
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    padding: 32px;
}
.sf-auth-card h1 {
    margin: 0 0 24px;
    font-size: 22px;
    text-align: center;
}
.sf-auth-link {
    text-align: center;
    font-size: 13px;
    margin-top: 12px;
}
.sf-auth-separator {
    text-align: center;
    margin: 20px 0;
    position: relative;
    font-size: 13px;
    color: var(--sf-text-light);
}
.sf-auth-separator::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background: var(--sf-border);
}
.sf-auth-separator span {
    position: relative;
    background: var(--sf-card-bg);
    padding: 0 12px;
}

/* ── Account ── */

.sf-account-center {
    max-width: 800px;
    margin: 0 auto;
}
.sf-account-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--sf-border);
    padding-bottom: 0;
}
.sf-tab {
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--sf-text-light);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s, border-color 0.15s;
}
.sf-tab:hover { color: var(--sf-text); }
.sf-tab-active {
    color: var(--sf-primary);
    border-bottom-color: var(--sf-primary);
}

/* ── Success Page ── */

.sf-success-page {
    text-align: center;
    max-width: 520px;
    padding: 48px 20px;
}
.sf-success-icon {
    font-size: 64px;
    color: var(--sf-success);
    margin-bottom: 16px;
}
.sf-success-icon.sf-icon-error { color: var(--sf-danger); }
.sf-success-page h1 {
    font-size: 24px;
    margin-bottom: 12px;
}
.sf-success-page p {
    color: var(--sf-text-light);
    font-size: 15px;
}
.sf-success-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 28px;
}

/* ── Responsive – all sections ── */

@media (max-width: 1024px) {
    .sf-cat-layout { grid-template-columns: 180px 1fr; gap: 16px; }
}

@media (max-width: 768px) {
    .sf-steps { flex-wrap: wrap; }
    .sf-step { font-size: 12px; padding: 8px 10px; }
    .sf-form-grid { grid-template-columns: 1fr; }
    .sf-confirm-grid { grid-template-columns: 1fr; }
    .sf-checkout-actions { flex-direction: column; }
    .sf-auth-card { padding: 20px; }
    .sf-account-tabs { overflow-x: auto; }
    .sf-cat-layout { grid-template-columns: 1fr; }
    .sf-filters-sidebar {
        position: static;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        align-items: flex-start;
    }
    .sf-filters-sidebar h3 { width: 100%; margin-bottom: 4px; }
    .sf-filter-group { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
    .sf-detail-actions { flex-direction: column; align-items: stretch; }
    .sf-btn-cart-big { justify-content: center; }
    .sf-product-info-detail h1 { font-size: 20px; }
    .sf-price-main { font-size: 24px; }
    .sf-detail-desc { margin-top: 20px; padding-top: 16px; }
}

@media (max-width: 480px) {
    .sf-gallery-thumbs { gap: 4px; }
    .sf-thumb { width: 48px; height: 48px; }
    .sf-header-inner { padding: 8px 12px; }
    .sf-nav { gap: 8px; }
    .sf-search-mini { display: none; }
    .sf-section { padding-left: 8px; padding-right: 8px; }
}

/* Stock display */
.sf-product-stock { display: block; font-size: 0.8rem; font-weight: 600; margin-top: 4px; }
.sf-btn-disabled { opacity: 0.5; cursor: not-allowed; background: #94a3b8 !important; border-color: #94a3b8 !important; }
.sf-nav-sub { font-size: 0.9em; }

/* ── Hamburger + Mobile drawer ── */
.sf-hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    color: var(--sf-text);
    cursor: pointer;
    padding: 6px;
    order: -1;
}
.sf-drawer-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 999;
}
.sf-drawer-overlay-show { display: block; }
.sf-drawer {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100%;
    background: var(--sf-card-bg);
    z-index: 1000;
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 12px rgba(0,0,0,0.15);
    overflow-y: auto;
}
.sf-drawer-open { left: 0; }
.sf-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid var(--sf-border);
    flex-shrink: 0;
}
.sf-drawer-title {
    font-weight: 700;
    font-size: 16px;
    color: var(--sf-text);
}
.sf-drawer-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--sf-muted);
    cursor: pointer;
    padding: 4px;
}
.sf-drawer-close:hover { color: var(--sf-text); }
.sf-drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 8px 0;
}
.sf-drawer-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    color: var(--sf-text);
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px solid #f1f5f9;
}
.sf-drawer-nav a:hover { background: var(--sf-bg); }
.sf-drawer-nav a i { width: 20px; text-align: center; color: var(--sf-muted); font-size: 14px; }
.sf-drawer-section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--sf-text);
    cursor: pointer;
    border-bottom: 1px solid #f1f5f9;
    user-select: none;
}
.sf-drawer-section-title span { display: flex; align-items: center; gap: 10px; }
.sf-drawer-section-title span i { width: 20px; text-align: center; color: var(--sf-muted); font-size: 14px; }
.sf-drawer-arrow { font-size: 12px; color: var(--sf-muted); transition: transform 0.2s; }
.sf-drawer-section-title.sf-open .sf-drawer-arrow { transform: rotate(180deg); }
.sf-drawer-submenu {
    display: none;
    flex-direction: column;
    background: #f8fafc;
}
.sf-drawer-submenu.sf-show { display: flex; }
.sf-drawer-submenu a {
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 400;
    color: #475569;
    border-bottom: 1px solid #f1f5f9;
}
.sf-drawer-submenu a:hover { background: #eef2f7; }
.sf-no-scroll { overflow: hidden; }

@media (min-width: 769px) {
    .sf-drawer, .sf-drawer-overlay { display: none !important; }
}
@media (max-width: 768px) {
    .sf-hamburger { display: block; }
    .sf-nav-desktop { display: none; }
    .sf-header-inner { gap: 10px; }
    .sf-logo { flex: 1; }
}