:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-color: #f8fafc;
    --surface: #ffffff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --radius: 16px;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--surface);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
}

.cart-icon {
    font-size: 1.25rem;
    position: relative;
    cursor: pointer;
}

#cart-count {
    position: absolute;
    top: -8px;
    right: -12px;
    background-color: var(--danger);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 99px;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Layout */
.container {
    display: flex;
    gap: 2rem;
    padding: 2rem 5%;
    max-width: 1400px;
    margin: 0 auto;
    align-items: flex-start;
}

.products-section {
    flex: 1;
}

.cart-section {
    width: 380px;
    position: sticky;
    top: 6rem;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.5rem;
}

.product-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.product-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-color);
    border-radius: calc(var(--radius) - 8px);
    margin-bottom: 0.5rem;
}

.product-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex-grow: 1;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.3;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-top: auto;
}

.add-to-cart-btn {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    margin-top: 0.5rem;
}

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

.add-to-cart-btn:active {
    transform: scale(0.98);
}

/* Cart Panel */
.cart-panel {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cart-title {
    font-size: 1.5rem;
    border-bottom: 2px solid var(--border);
    padding-bottom: 0.75rem;
}

.cart-items-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 50vh;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.empty-cart {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem 0;
    font-style: italic;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.cart-item-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
    padding-right: 1rem;
}

.cart-item-name {
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.2;
}

.cart-item-price {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.qty-btn {
    background: var(--bg-color);
    border: 1px solid var(--border);
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.qty-btn:hover {
    background: #e2e8f0;
}

.item-qty {
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.remove-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    margin-left: 0.5rem;
    transition: color 0.2s, transform 0.2s;
}

.remove-btn:hover {
    color: var(--danger);
    transform: scale(1.1);
}

.cart-summary {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.summary-line {
    display: flex;
    justify-content: space-between;
    font-size: 1rem;
    color: var(--text-muted);
}

.grand-total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    border-top: 2px solid var(--border);
    padding-top: 1rem;
    margin-top: 0.5rem;
}

.checkout-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--text-main);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}

.checkout-btn:hover:not(:disabled) {
    background-color: #000;
}

.checkout-btn:disabled {
    background-color: var(--border);
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Scrollbar styling */
.cart-items-container::-webkit-scrollbar {
    width: 6px;
}
.cart-items-container::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: 10px;
}
.cart-items-container::-webkit-scrollbar-thumb {
    background: var(--text-muted); 
    border-radius: 10px;
}

/* Responsive */
@media (max-width: 900px) {
    .container {
        flex-direction: column;
    }
    .cart-section {
        width: 100%;
        position: static;
        margin-top: 1rem;
    }
}