/* Modern E-commerce Design System */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #FFFAFA;
    --surface-color: #ffffff;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent-color: #2ecc71;
    --accent-hover: #27ae60;
    --accent-light: rgba(46, 204, 113, 0.12);
    --border-color: #e0e0e0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --font-main: 'Poppins', sans-serif;
    --transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
    --radius: 16px;
}

body.dark-mode {
    --bg-color: #0f0f0f;
    --surface-color: #1a1a1a;
    --text-primary: #f0f0f0;
    --text-secondary: #999999;
    --accent-color: #2ecc71;
    --accent-hover: #27ae60;
    --accent-light: rgba(46, 204, 113, 0.1);
    --border-color: #2a2a2a;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: var(--font-main);
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    transition: var(--transition);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================== NAVBAR ===================== */
.navbar {
    background-color: var(--surface-color);
    box-shadow: var(--shadow);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 200;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-weight: 500;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--accent-color);
}

.nav-icons {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.icon-btn {
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1.15rem;
    color: var(--text-primary);
    transition: color 0.2s, transform 0.2s;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    position: relative;
}

.icon-btn:hover {
    color: var(--accent-color);
    background: var(--accent-light);
}

.cart-btn {
    position: relative;
}

.cart-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--accent-color);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pop 0.3s ease;
}

@keyframes pop {
    0% {
        transform: scale(0);
    }

    70% {
        transform: scale(1.3);
    }

    100% {
        transform: scale(1);
    }
}

.theme-toggle {
    background: var(--surface-color);
    border: 1.5px solid var(--border-color);
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    color: var(--text-primary);
}

.theme-toggle:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* ===================== HERO ===================== */
.hero {
    padding: 5rem 0;
    display: flex;
    align-items: center;
    min-height: 580px;
    overflow: hidden;
}

.hero .grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-label {
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    display: block;
    margin-bottom: 1rem;
}

.hero-title {
    font-size: 3.6rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-text {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: #fff;
    padding: 13px 32px;
    border-radius: 50px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(46, 204, 113, 0.45);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 13px 32px;
    border-radius: 50px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    border: 1.5px solid var(--border-color);
    transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.btn-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

.hero-image {
    border-radius: 24px;
    overflow: hidden;
    height: 420px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.hero-image:hover img {
    transform: scale(1.04);
}

/* ===================== SECTION HEADER ===================== */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.4rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

/* ===================== CATEGORY SLIDER ===================== */
.categories-section {
    padding: 5rem 0;
    overflow: hidden;
}

.category-slider-wrapper {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem 2rem;
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
}

.category-track-container {
    flex: 1;
    overflow: hidden;
    cursor: grab;
    user-select: none;
}

.category-track-container:active {
    cursor: grabbing;
}

.category-track {
    display: flex;
    gap: 1.5rem;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}

.category-card {
    min-width: 260px;
    max-width: 260px;
    height: 340px;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: var(--shadow);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

/* Overlapping effect on hover */
.category-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: var(--shadow-lg);
    z-index: 5;
}

.category-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.category-card:hover img {
    transform: scale(1.08);
}

.category-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.72) 35%, rgba(0, 0, 0, 0.1) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding: 1.75rem;
    color: #fff;
    transition: background 0.3s ease;
    text-align: center;
}

.category-card:hover .category-overlay {
    background: linear-gradient(to top, rgba(46, 204, 113, 0.75) 25%, rgba(0, 0, 0, 0.15) 100%);
}

.category-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
    opacity: 0.9;
    transform: translateY(8px);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.category-card:hover .category-icon {
    transform: translateY(0);
    opacity: 1;
}

.category-overlay h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.category-overlay p {
    font-size: 0.85rem;
    opacity: 0.85;
}

.slider-arrow {
    background: var(--surface-color);
    border: 1.5px solid var(--border-color);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s;
    flex-shrink: 0;
    box-shadow: var(--shadow);
    z-index: 10;
}

.slider-arrow:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.slider-arrow:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 1.5rem;
}

.slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: background 0.2s, transform 0.2s, width 0.3s;
    border: none;
}

.slider-dot.active {
    background: var(--accent-color);
    width: 24px;
    border-radius: 4px;
}

/* ===================== PRODUCTS SECTION ===================== */
.products {
    padding: 5rem 0;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 2rem;
}

.product-card {
    background-color: var(--surface-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    border: 1px solid var(--border-color);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    height: 240px;
    overflow: hidden;
    position: relative;
    background: #f5f5f5;
}

.dark-mode .product-image {
    background: #1e1e1e;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.product-card:hover .product-image img {
    transform: scale(1.06);
}

.product-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--accent-color);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

.product-badge.new {
    background: #3498db;
}

.product-badge.sale {
    background: #e74c3c;
}

.product-actions {
    position: absolute;
    top: 14px;
    right: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 2;
}

.product-card:hover .product-actions {
    opacity: 1;
    transform: translateX(0);
}

.action-btn {
    background: var(--surface-color);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.85rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    transition: all 0.2s;
}

.action-btn:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

.wishlist-btn.active {
    color: #e74c3c;
}

.product-info {
    padding: 1.25rem;
}

.product-category {
    font-size: 0.75rem;
    color: var(--accent-color);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    display: block;
    margin-bottom: 0.35rem;
}

.product-name {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 0.75rem;
    color: #f39c12;
    margin-bottom: 1rem;
}

.product-rating span {
    color: var(--text-secondary);
    margin-left: 4px;
    font-size: 0.75rem;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-price {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.add-to-cart {
    background: var(--accent-color);
    border: none;
    color: #fff;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(46, 204, 113, 0.35);
}

.add-to-cart:hover {
    background: var(--accent-hover);
    transform: scale(1.1) rotate(8deg);
    box-shadow: 0 6px 18px rgba(46, 204, 113, 0.5);
}

.add-to-cart.added {
    animation: cartPop 0.4s ease;
}

@keyframes cartPop {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.3) rotate(15deg);
    }

    100% {
        transform: scale(1);
    }
}

/* ===================== CART SIDEBAR ===================== */
.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    z-index: 300;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(2px);
}

.cart-overlay.active {
    opacity: 1;
    visibility: visible;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 420px;
    max-width: 95vw;
    height: 100vh;
    background: var(--surface-color);
    z-index: 400;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.18);
}

.cart-sidebar.active {
    transform: translateX(0);
}

.cart-header {
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.cart-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.cart-header h2 i {
    color: var(--accent-color);
}

.cart-close-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s, transform 0.2s;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.cart-close-btn:hover {
    color: #e74c3c;
    background: rgba(231, 76, 60, 0.1);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem 1.75rem;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-secondary);
    gap: 12px;
    min-height: 200px;
}

.cart-empty i {
    font-size: 3rem;
    color: var(--border-color);
}

.cart-empty p {
    font-weight: 600;
    font-size: 1rem;
}

.cart-empty span {
    font-size: 0.9rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.cart-item-img {
    width: 72px;
    height: 72px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
    background: #f5f5f5;
}

.dark-mode .cart-item-img {
    background: #2a2a2a;
}

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

.cart-item-name {
    font-weight: 600;
    font-size: 0.92rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 3px;
}

.cart-item-cat {
    font-size: 0.75rem;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 8px;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 10px;
}

.qty-btn {
    background: var(--accent-light);
    border: none;
    color: var(--accent-color);
    width: 26px;
    height: 26px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    transition: all 0.2s;
}

.qty-btn:hover {
    background: var(--accent-color);
    color: #fff;
}

.qty-display {
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 20px;
    text-align: center;
}

.cart-item-price {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    white-space: nowrap;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: color 0.2s;
    padding: 4px;
}

.cart-item-remove:hover {
    color: #e74c3c;
}

.cart-footer {
    padding: 1.25rem 1.75rem;
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.cart-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.cart-total-row.total {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    margin-bottom: 1.25rem;
}

.free-shipping {
    color: var(--accent-color);
    font-weight: 600;
}

.btn-checkout {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(46, 204, 113, 0.35);
    margin-bottom: 0.75rem;
}

.btn-checkout:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(46, 204, 113, 0.45);
}

.btn-clear-cart {
    width: 100%;
    background: transparent;
    border: 1.5px solid var(--border-color);
    color: var(--text-secondary);
    padding: 10px;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.btn-clear-cart:hover {
    border-color: #e74c3c;
    color: #e74c3c;
}

/* ===================== TOAST ===================== */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    z-index: 500;
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.4s ease;
}

.toast i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ===================== FOOTER ===================== */
footer {
    background-color: var(--surface-color);
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
    .hero .grid-2 {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        height: 300px;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .category-card {
        min-width: 220px;
        max-width: 220px;
        height: 300px;
    }
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .category-slider-wrapper {
        padding: 1rem;
        gap: 0.75rem;
    }

    .cart-sidebar {
        width: 100vw;
    }

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