@import url('https://fonts.googleapis.com/css2?family=Assistant:wght@200;300;400;500;600;700;800&display=swap');

:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f7f7f7;
    --color-bg-dark: #1a1a1a;
    --color-text: #000000;
    --color-text-muted: #6b6b6b;
    --color-text-light: #999999;
    --color-primary: #3b270c;
    --color-primary-hover: #2c1d09;
    --color-primary-light: rgba(59, 39, 12, 0.06);
    --color-accent: #de81ac;
    --color-border: #e8e8e8;
    --color-border-light: #f2f2f2;
    --font-body: 'Assistant', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --header-height: 72px;
    --container-max: 1280px;
    --radius: 0px;
    --transition: 0.25s ease;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    padding-top: var(--header-height);
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; transition: var(--transition); }

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============ NAVBAR ============ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar .logo {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--color-text);
}

.navbar .logo span { color: var(--color-primary); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links a:hover { color: var(--color-primary); }

.cart-btn {
    position: relative;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    transition: var(--transition);
}

.cart-btn:hover { color: var(--color-primary); }

.cart-count {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 4px;
}

/* ============ PRODUCT DETAIL ============ */
.product-detail {
    padding-top: 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.product-detail .gallery-main {
    background: var(--color-bg-alt);
    aspect-ratio: 3/4;
    overflow: hidden;
    position: relative;
}

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

.product-detail .gallery-thumbs {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.product-detail .gallery-thumbs img {
    width: 72px;
    height: 96px;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    flex-shrink: 0;
    opacity: 0.6;
}

.product-detail .gallery-thumbs img:hover,
.product-detail .gallery-thumbs img.active {
    border-color: var(--color-primary);
    opacity: 1;
}

.product-detail .detail-info h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.2;
}

.product-detail .detail-info .detail-category {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    margin-bottom: 12px;
}

.product-detail .detail-price {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.product-detail .detail-compare {
    font-size: 0.95rem;
    color: var(--color-text-light);
    text-decoration: line-through;
    margin-bottom: 16px;
}

.product-detail .detail-description {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 24px;
}

.product-detail .detail-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-detail .color-options {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.color-btn {
    padding: 8px 20px;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text);
    font-size: 0.8rem;
    cursor: pointer;
    font-family: var(--font-body);
    transition: var(--transition);
    font-weight: 500;
}

.color-btn:hover, .color-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.size-options {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.size-btn {
    min-width: 48px;
    height: 44px;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-body);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 18px;
}

.size-btn:hover, .size-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    border: 1px solid var(--color-border);
    width: fit-content;
}

.quantity-selector button {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--color-text);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-selector button:hover { background: var(--color-bg-alt); }

.quantity-selector span {
    font-size: 1rem;
    font-weight: 600;
    min-width: 36px;
    text-align: center;
}

.detail-add-btn {
    width: 100%;
    padding: 16px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-add-btn:hover { background: var(--color-primary-hover); }

.detail-meta {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.detail-meta p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.detail-meta strong { color: var(--color-text); }

/* ============ CART SIDEBAR ============ */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 200;
    display: none;
}

.cart-overlay.open { display: block; }

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -420px;
    width: 420px;
    max-width: 100vw;
    height: 100vh;
    background: var(--color-bg);
    border-left: 1px solid var(--color-border);
    z-index: 201;
    display: flex;
    flex-direction: column;
    transition: right 0.35s ease;
}

.cart-sidebar.open { right: 0; }

.cart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
}

.cart-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
}

.cart-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.cart-close:hover { color: var(--color-text); }

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 16px 24px;
}

.cart-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.cart-empty i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.3;
}

.cart-item {
    display: flex;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border-light);
}

.cart-item img {
    width: 64px;
    height: 84px;
    object-fit: cover;
    background: var(--color-bg-alt);
}

.cart-item .cart-item-info { flex: 1; }

.cart-item .cart-item-name {
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 2px;
}

.cart-item .cart-item-variant {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}

.cart-item .cart-item-price {
    font-size: 0.88rem;
    font-weight: 600;
}

.cart-item .cart-item-qty {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.cart-item .cart-item-qty button {
    width: 26px;
    height: 26px;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text);
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.cart-item .cart-item-qty button:hover { border-color: var(--color-primary); }

.cart-item .cart-item-qty span {
    font-weight: 600;
    min-width: 20px;
    text-align: center;
    font-size: 0.85rem;
}

.cart-item .cart-item-remove {
    background: none;
    border: none;
    color: var(--color-text-light);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition);
}

.cart-item .cart-item-remove:hover { color: var(--color-primary); }

.cart-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--color-border);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cart-checkout-btn {
    width: 100%;
    padding: 14px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    font-family: var(--font-body);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cart-checkout-btn:hover { background: var(--color-primary-hover); }

/* ============ SECTION ============ */
.section { padding: 48px 0; }

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-title {
    font-size: 1.2rem;
    font-weight: 700;
}

/* ============ PRODUCT GRID (in-store) ============ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

.product-card {
    display: flex;
    flex-direction: column;
}

.product-card .product-image {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    display: block;
    background: var(--color-bg-alt);
    transition: var(--transition);
}

.product-card .product-image-placeholder {
    width: 100%;
    aspect-ratio: 3/4;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 2rem;
}

.product-card .product-info {
    padding: 12px 0;
    text-align: center;
}

.product-card .product-name {
    font-weight: 500;
    font-size: 0.85rem;
    margin-bottom: 4px;
    display: block;
    color: var(--color-text);
}

.product-card .product-name:hover { color: var(--color-primary); }

.product-card .product-price {
    font-size: 0.85rem;
    font-weight: 600;
}

.product-card .product-price .current { color: var(--color-text); }

.product-card .product-price .compare {
    font-size: 0.75rem;
    color: var(--color-text-light);
    text-decoration: line-through;
    margin-right: 6px;
    font-weight: 400;
}

.product-card .add-cart-btn {
    width: 100%;
    margin-top: 8px;
    padding: 10px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-card .add-cart-btn:hover { background: var(--color-primary-hover); }

/* ============ CHECKOUT ============ */
.checkout-page {
    padding: 40px 0 60px;
    max-width: 900px;
    margin: 0 auto;
}

.checkout-page h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 32px;
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: start;
}

.checkout-form .form-group { margin-bottom: 16px; }

.checkout-form label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.checkout-form input,
.checkout-form textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
    border-radius: 0;
}

.checkout-form input:focus,
.checkout-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.checkout-form textarea { resize: vertical; min-height: 80px; }

.checkout-summary {
    background: var(--color-bg-alt);
    padding: 24px;
    border: 1px solid var(--color-border);
}

.checkout-summary h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.checkout-summary .summary-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--color-border-light);
}

.checkout-summary .summary-total {
    display: flex;
    justify-content: space-between;
    padding-top: 16px;
    font-size: 1rem;
    font-weight: 700;
}

/* Payment options */
.payment-option {
    border: 1px solid var(--color-border);
    padding: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
}

.payment-option:hover,
.payment-option.selected { border-color: var(--color-primary); }

.payment-option input[type="radio"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
}

.payment-option .po-icon { font-size: 1.4rem; width: 36px; text-align: center; color: var(--color-primary); }

.payment-option .po-info h4 {
    margin: 0 0 2px;
    font-size: 0.88rem;
    font-weight: 600;
}

.payment-option .po-info p {
    margin: 0;
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

.btn-flow {
    width: 100%;
    padding: 16px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 20px;
}

.btn-flow:hover { background: var(--color-primary-hover); }

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

/* ============ TOAST ============ */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--color-primary);
    color: #fff;
    padding: 14px 24px;
    font-size: 0.85rem;
    font-weight: 500;
    z-index: 300;
    display: none;
    align-items: center;
    gap: 8px;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ============ FOOTER ============ */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer p { font-size: 0.8rem; color: var(--color-text-muted); }

.footer .social-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 12px;
}

.footer .social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer .social-links a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* ============ SUCCESS PAGE ============ */
.success-page {
    padding-top: 80px;
    text-align: center;
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.success-page i {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.success-page h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.success-page p {
    color: var(--color-text-muted);
    margin-bottom: 32px;
    font-size: 1rem;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .hamburger { display: block; }
    .nav-links {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    }
    .nav-links.open { display: flex; }
    .product-detail { grid-template-columns: 1fr; gap: 24px; }
    .product-detail .detail-info h1 { font-size: 1.3rem; }
    .checkout-grid { grid-template-columns: 1fr; }
    .cart-sidebar { width: 100vw; }
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}

@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr; }
}