/* Base Styles */
:root {
    --primary-color: #FF6B6B;
    --secondary-color: #4ECDC4;
    --dark-color: #2C3E50;
    --light-color: #F7F9FC;
    --accent-color: #FFD166;
    --text-color: #FFFFFF;
    --text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    --background-color: #F7F9FC;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --glass-bg: rgba(0, 0, 0, 0.6);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    background-image: url('../images/cart-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: -1;
}

/* Navigation Bar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

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

.logo i {
    font-size: 2rem;
    color: var(--primary-color);
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--text-color);
    text-shadow: var(--text-shadow);
}

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

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    text-shadow: var(--text-shadow);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

.user-actions {
    display: flex;
    gap: 1rem;
}

.login-btn,
.signup-btn {
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.login-btn {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.login-btn:hover,
.signup-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Main Content */
.cart-container {
    margin-top: 80px;
    padding: 2rem;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

/* Section Headings */
section h2 {
    color: var(--text-color);
    text-shadow: var(--text-shadow);
    margin-bottom: 2rem;
    font-size: 2rem;
}

/* Cart Items */
.cart-items {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
}

.items-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
}

.item-image {
    width: 100px;
    height: 100px;
    border-radius: 10px;
    overflow: hidden;
}

.item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.item-details {
    flex: 1;
}

.item-details h3 {
    color: var(--text-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    text-shadow: var(--text-shadow);
}

.item-details p {
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 1rem;
}

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

.quantity-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

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

.quantity {
    min-width: 30px;
    text-align: center;
}

.item-price {
    font-weight: 600;
    color: var(--accent-color);
}

.remove-btn {
    background: transparent;
    border: none;
    color: var(--text-color);
    opacity: 0.7;
    cursor: pointer;
    transition: var(--transition);
}

.remove-btn:hover {
    opacity: 1;
    color: var(--primary-color);
}

/* Order Summary */
.order-summary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    position: sticky;
    top: 100px;
    height: fit-content;
}

.summary-details {
    margin-bottom: 2rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.summary-row.total {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-color);
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Promo Code */
.promo-section {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.promo-section input {
    flex: 1;
    padding: 0.8rem;
    border: none;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
}

.promo-section input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.apply-promo-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 25px;
    background: var(--primary-color);
    color: white;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.apply-promo-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Delivery Options */
.delivery-options {
    margin-bottom: 2rem;
}

.delivery-options h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    text-shadow: var(--text-shadow);
}

.option {
    margin-bottom: 1rem;
}

.option input[type="radio"] {
    display: none;
}

.option label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    cursor: pointer;
    transition: var(--transition);
}

.option input[type="radio"]:checked + label {
    background: var(--primary-color);
}

.option-title {
    font-weight: 500;
}

.option-time {
    opacity: 0.8;
}

.option-price {
    color: var(--accent-color);
    font-weight: 600;
}

/* Checkout Button */
.checkout-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 25px;
    background: var(--primary-color);
    color: white;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }

    .nav-links,
    .user-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .cart-container {
        grid-template-columns: 1fr;
        padding: 1rem;
    }

    .cart-items,
    .order-summary {
        padding: 1.5rem;
    }

    .cart-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .item-image {
        width: 100%;
        height: 200px;
    }

    .item-options {
        width: 100%;
    }

    .order-summary {
        position: static;
    }
}