:root {
    --primary-color: #3b82f6; /* Tailwind blue-500 */
    --primary-dark: #2563eb; /* Tailwind blue-600 */
    --text-color: #e5e7eb; /* Tailwind gray-200 */
    --bg-color: #111827; /* Tailwind gray-900 */
    --card-bg: #1f2937; /* Tailwind gray-800 */
    --border-color: #374151; /* Tailwind gray-700 */
    --transition: all 0.3s ease;
}

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

body {
    font-family: system-ui, -apple-system, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    padding: 1rem;
    background: var(--card-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(31, 41, 55, 0.95);
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

.cart-icon {
    font-size: 1.5rem;
    cursor: pointer;
    position: relative;
    text-decoration: none;
    color: var(--text-color);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 0.8rem;
}

.container {
    flex: 1;
    padding: 2rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.cart-container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    margin-top: 2rem;
}

.cart-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-color);
}

/* Cart Items */
.cart-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cart-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.cart-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.cart-item-image {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 0.5rem;
}

.cart-item-details {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.cart-item-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.cart-item-price {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.unique-item-label {
    font-size: 0.8rem;
    background: linear-gradient(45deg, #f59e0b, #d97706);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 0.25rem;
    cursor: help;
    position: relative;
}

.unique-item-label:hover::after {
    content: "One-of-a-kind item - only one exists in total. Once purchased, its gone forever.";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    white-space: nowrap;
    z-index: 1000;
    margin-bottom: 0.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    font-weight: normal;
}

.unique-item-label:hover::before {
    content: "";
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
    margin-bottom: -5px;
    z-index: 1000;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Quantity Controls */
.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-color);
    padding: 0.5rem;
    border-radius: 0.5rem;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border: none;
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.quantity-display {
    width: 40px;
    text-align: center;
    font-weight: 600;
}

.unique-item-quantity {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-color);
    padding: 0.5rem;
    border-radius: 0.5rem;
    min-width: 60px;
}

.unique-item-quantity .quantity-display {
    color: var(--primary-color);
    font-weight: 700;
}

.remove-item {
    color: #ef4444; /* Tailwind red-500 */
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 50%;
}

.remove-item:hover {
    background: #4b1f1f;
    transform: scale(1.1);
}

/* Cart Summary */
.cart-summary {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 100px;
    height: fit-content;
}

.cart-summary h2 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.summary-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    color: var(--text-color);
}

.summary-row.total {
    border-top: 2px solid var(--border-color);
    margin-top: 1rem;
    padding-top: 1rem;
    font-weight: 600;
    font-size: 1.2rem;
}

.checkout-btn {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.checkout-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.checkout-btn:not(:disabled):hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.continue-shopping {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem;
    margin-top: 1rem;
}

.continue-shopping:hover {
    color: var(--primary-color);
}

/* Empty Cart */
.empty-cart {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.empty-cart i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.empty-cart h2 {
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.empty-cart p {
    color: #9ca3af; /* Tailwind gray-400 */
    margin-bottom: 2rem;
}

/* Footer Styles */
.footer {
    background: var(--card-bg);
    padding: 2rem 1rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 8rem;
    padding: 0 1rem;
}

.footer-section {
    text-align: center;
}

.footer-section h3 {
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #9ca3af; /* Tailwind gray-400 */
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

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

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: #9ca3af; /* Tailwind gray-400 */
    font-size: 0.9rem;
}

/* Add spinner animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.fa-spinner {
    animation: spin 1s linear infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .cart-container {
        grid-template-columns: 1fr;
    }

    .cart-item {
        grid-template-columns: 100px 1fr;
    }

    .cart-item-image {
        width: 100px;
        height: 100px;
    }

    .cart-item-controls {
        grid-column: 1 / -1;
        justify-content: space-between;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
    }
}