/* Storefront — clean, minimal, Shopify-inspired design system. */

:root {
    --color-bg: #ffffff;
    --color-surface: #ffffff;
    --color-border: #e5e5e5;
    --color-text: #1a1a1a;
    --color-text-muted: #6d7175;
    --color-primary: #1a1a1a;
    --color-primary-contrast: #ffffff;
    --color-danger: #d82c0d;
    --color-success: #008060;
    --radius: 8px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --max-width: 1440px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font);
    color: var(--color-text);
    background: var(--color-bg);
    font-size: 15px;
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }
img { display: block; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.site-header {
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background: var(--color-bg);
    z-index: 10;
}

.site-header .row {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
    padding-block: 18px;
}

.site-header .brand {
    font-weight: 700;
    font-size: 18px;
    justify-self: start;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 22px;
    justify-self: center;
}

.site-nav a {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 14px;
}

.site-nav a:hover { color: var(--color-text); }

.nav-dropdown {
    position: relative;
}

.nav-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 8px;
}

.nav-dropdown-trigger {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    padding: 8px;
    margin-top: 8px;
    display: none;
    flex-direction: column;
    z-index: 20;
}

.nav-dropdown-menu a {
    padding: 8px 10px;
    border-radius: 6px;
    white-space: nowrap;
}

.nav-dropdown-menu a:hover {
    background: var(--color-bg);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
    display: flex;
}

.mobile-nav-links a.mobile-nav-sublink {
    padding-left: 20px;
    font-size: 14px;
    color: var(--color-text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 18px;
    justify-self: end;
}

.cart-link {
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.cart-count {
    background: var(--color-primary);
    color: var(--color-primary-contrast);
    border-radius: 999px;
    font-size: 11px;
    padding: 1px 7px;
    font-weight: 700;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 6px;
    margin: -6px;
    cursor: pointer;
    color: var(--color-text);
}

.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
    z-index: 40;
}

.mobile-nav-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(320px, 85vw);
    background: var(--color-surface);
    z-index: 50;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.1);
    padding: 20px;
    overflow-y: auto;
}

.mobile-nav-panel.open {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.mobile-nav-header .brand {
    font-weight: 700;
    font-size: 16px;
}

.mobile-nav-header button {
    background: none;
    border: none;
    padding: 4px;
    cursor: pointer;
    color: var(--color-text);
}

.mobile-nav-panel .search-form input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 14px;
    margin-bottom: 20px;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
}

.mobile-nav-links a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    font-weight: 500;
    font-size: 15px;
}

body.nav-open {
    overflow: hidden;
}

@media (min-width: 861px) {
    .mobile-nav-panel,
    .mobile-nav-overlay {
        display: none !important;
    }
}

@media (max-width: 860px) {
    .site-nav,
    .header-actions .search-form {
        display: none;
    }

    .mobile-menu-toggle {
        display: inline-flex;
        align-items: center;
    }

    .site-header .row {
        grid-template-columns: 1fr auto;
    }
}

main { min-height: 60vh; }

.hero {
    padding: 64px 0;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
}

.hero h1 {
    font-size: 32px;
    margin: 0 0 12px;
}

.hero p {
    color: var(--color-text-muted);
    font-size: 16px;
    margin: 0 0 24px;
}

.section {
    padding: 48px 0;
}

.section h2 {
    font-size: 20px;
    margin: 0 0 24px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 24px;
}

.product-card {
    display: block;
}

.product-card .thumb {
    aspect-ratio: 1 / 1;
    background: #f4f4f4;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 12px;
}

.product-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card .name {
    font-weight: 600;
    font-size: 14.5px;
    margin-bottom: 4px;
}

.product-card .price {
    color: var(--color-text-muted);
    font-size: 14px;
}

.product-card .price .sale {
    color: var(--color-text);
    font-weight: 600;
    margin-right: 6px;
}

.product-card .price .was {
    text-decoration: line-through;
}

.badge-soldout {
    display: inline-block;
    margin-top: 6px;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--color-danger);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius);
    border: 1px solid var(--color-primary);
    background: var(--color-primary);
    color: var(--color-primary-contrast);
    font-size: 14.5px;
    font-weight: 600;
    cursor: pointer;
}

.btn:hover { opacity: 0.9; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.breadcrumbs {
    color: var(--color-text-muted);
    font-size: 13px;
    margin-bottom: 20px;
}

.breadcrumbs a:hover { color: var(--color-text); }

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 40px 0 64px;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 48px;
    align-items: flex-start;
}

@media (max-width: 760px) {
    .product-detail { grid-template-columns: 1fr; gap: 24px; }
    .checkout-grid { grid-template-columns: 1fr; gap: 32px; }
}

.product-gallery .main-image {
    aspect-ratio: 1 / 1;
    background: #f4f4f4;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 12px;
}

.product-gallery .main-image img { width: 100%; height: 100%; object-fit: cover; }

.product-gallery .thumbs {
    display: flex;
    gap: 10px;
}

.product-gallery .thumbs img {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    cursor: pointer;
}

.product-info h1 {
    font-size: 26px;
    margin: 0 0 8px;
}

.product-info .price {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
}

.product-info .price .was {
    color: var(--color-text-muted);
    text-decoration: line-through;
    font-weight: 400;
    font-size: 16px;
    margin-left: 8px;
}

.product-info .description {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    white-space: pre-line;
}

.option-group { margin-bottom: 18px; }

.option-group label {
    display: block;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 8px;
}

.option-values {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.option-values button {
    padding: 8px 14px;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: 13.5px;
    cursor: pointer;
}

.option-values button.selected {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-primary-contrast);
}

.option-values button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    text-decoration: line-through;
}

.qty-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.qty-row input {
    width: 64px;
    padding: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-align: center;
}

.stock-note { font-size: 13px; color: var(--color-text-muted); margin-bottom: 16px; }
.stock-note.low { color: #b98900; }
.stock-note.out { color: var(--color-danger); }

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 24px;
}

.cart-item-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
}

.cart-item-card-main {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.cart-item-card-thumb {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    background: #f4f4f4;
    border-radius: 6px;
    overflow: hidden;
}

.cart-item-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cart-item-card-info {
    flex: 1;
    min-width: 0;
}

.cart-item-card-name {
    font-weight: 600;
}

.cart-item-card-variant {
    color: var(--color-text-muted);
    font-size: 13px;
    margin-top: 2px;
}

.cart-item-card-price {
    color: var(--color-text-muted);
    font-size: 13px;
    margin-top: 4px;
}

.cart-item-remove-form {
    flex-shrink: 0;
}

.cart-item-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
}

.cart-item-card-total {
    font-weight: 700;
}

@media (max-width: 480px) {
    .cart-item-card-main { flex-wrap: wrap; }
    .cart-item-remove-form { margin-left: auto; }
}

.cart-summary {
    max-width: 360px;
    margin-left: auto;
    text-align: right;
}

.cart-summary .row { display: flex; justify-content: space-between; margin-bottom: 8px; }
.cart-summary .total { font-size: 18px; font-weight: 700; margin: 12px 0 20px; }

.empty-state { text-align: center; padding: 80px 0; color: var(--color-text-muted); }

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 40px 0;
    margin-top: 40px;
    color: var(--color-text-muted);
    font-size: 13.5px;
}

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

input[type="text"], input[type="email"], input[type="tel"], input[type="number"], select, textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 14.5px;
}

.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 20px; font-size: 14px; }
.alert-success { background: #e3f6ef; color: var(--color-success); }
.alert-danger { background: #fbe6e2; color: var(--color-danger); }

.product-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 20px; }
.product-tags-label { font-size: 13px; font-weight: 600; }
.product-tag {
    font-size: 12px;
    padding: 4px 12px;
    border: 1px solid var(--color-border, #ddd);
    border-radius: 999px;
    color: var(--color-text-muted);
}
.product-tag:hover { color: var(--color-text); border-color: var(--color-text); }