:root {
    --brand-primary: #FF002B;
    --brand-secondary: #BBD4EC;
    --brand-accent: #FFEA52;
    --bg-gradient-start: #FFFFFF;
    --bg-gradient-end: #BBD4EC;
    --red-gradient-start: #FF002B;
    --red-gradient-end: #FFC3C0;
    --surface: #ffffff;
    --text: #060E16;
    --text-muted: #6c757d;
    --border-radius: 8px;
    --button-pill-radius: 50px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

body {
    font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--text);
    line-height: 1.6;
}

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

a:hover {
    color: var(--brand-primary);
    opacity: 0.8;
}

header {
    background-color: var(--brand-primary);
    color: #fff;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .logo {
    display: flex;
    align-items: center;
}

header .logo img {
    height: 40px; /* Adjusted size */
    margin-right: 10px;
}

header .logo span {
    font-weight: 700;
    font-size: 1.8rem;
    color: #fff;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: #fff;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--button-pill-radius);
    transition: var(--transition);
    position: relative;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

.cart-icon {
    position: relative;
    display: flex;
    align-items: center;
    color: #fff;
    font-size: 1.5rem;
}

.cart-badge {
    background-color: var(--brand-accent);
    color: var(--text);
    border-radius: 50%;
    padding: 0.2em 0.5em;
    font-size: 0.7rem;
    position: absolute;
    top: -10px;
    right: -10px;
    min-width: 20px;
    text-align: center;
}

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

.page-section {
    background-color: var(--surface);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 2rem;
    display: none; /* Hidden by default */
}

.page-section h1, .page-section h2 {
    background: linear-gradient(52deg, var(--red-gradient-start), var(--red-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    font-weight: 700;
    font-size: 2.5rem;
}

.page-section h2 {
    font-size: 2rem;
}

.hero {
    background: linear-gradient(52deg, var(--red-gradient-start), var(--red-gradient-end));
    color: #fff;
    text-align: center;
    padding: 4rem 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.hero h1 {
    color: #fff;
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem auto;
}

.btn {
    background-color: var(--brand-primary);
    color: #fff;
    border: none;
    padding: 0.8rem 1.8rem;
    border-radius: var(--button-pill-radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--brand-primary);
    color: #fff;
}

.category-grid, .restaurant-grid, .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.category-card, .restaurant-card, .product-card {
    background-color: var(--surface);
    border: 1px solid var(--brand-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    text-align: center;
}

.category-card:hover, .restaurant-card:hover, .product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

.category-card img, .restaurant-card img, .product-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-bottom: 1px solid var(--brand-secondary);
}

.category-card h3, .restaurant-card h3, .product-card h3 {
    margin: 1rem 0.5rem 0.5rem 0.5rem;
    font-size: 1.3rem;
    color: var(--text);
}

.product-card .price {
    font-weight: 600;
    color: var(--brand-primary);
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.product-card .add-to-cart-btn {
    background-color: var(--brand-primary);
    color: #fff;
    border: none;
    padding: 0.6rem 1rem;
    border-radius: var(--button-pill-radius);
    cursor: pointer;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.product-card .add-to-cart-btn:hover {
    background-color: var(--brand-primary);
    opacity: 0.9;
}

.restaurant-card p {
    padding: 0 1rem 1rem 1rem;
    color: var(--text-muted);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea,
.form-group select {
    width: calc(100% - 20px);
    padding: 0.8rem;
    border: 1px solid var(--brand-secondary);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--brand-primary);
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.cart-items {
    margin-top: 1.5rem;
}

.cart-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #f9f9f9;
    border: 1px solid var(--brand-secondary);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
}

.cart-item-details {
    flex-grow: 1;
}

.cart-item-details h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.cart-item-details p {
    margin: 0;
    color: var(--text-muted);
}

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

.cart-item-actions button {
    background-color: var(--brand-primary);
    color: #fff;
    border: none;
    padding: 0.3rem 0.6rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    margin: 0 0.5rem;
    transition: var(--transition);
}

.cart-item-actions button:hover {
    opacity: 0.9;
}

.cart-item-actions .quantity {
    font-weight: 600;
    margin: 0 0.5rem;
}

.cart-summary {
    border-top: 2px solid var(--brand-primary);
    padding-top: 1.5rem;
    margin-top: 2rem;
    text-align: right;
}

.cart-summary h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.empty-cart-message {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--surface);
    margin: auto;
    padding: 2rem;
    border: 1px solid var(--brand-secondary);
    border-radius: var(--border-radius);
    width: 80%;
    max-width: 600px;
    box-shadow: var(--shadow);
    position: relative;
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 10px;
    right: 20px;
    cursor: pointer;
}

.close-button:hover,
.close-button:focus {
    color: var(--brand-primary);
    text-decoration: none;
    cursor: pointer;
}

#order-tracking-details {
    margin-top: 1.5rem;
    border: 1px dashed var(--brand-primary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    background-color: #fefefe;
}

#order-tracking-details p {
    margin-bottom: 0.5rem;
}

footer {
    background-color: var(--text);
    color: #fff;
    text-align: center;
    padding: 1.5rem;
    margin-top: 3rem;
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
}

/* Loading Skeleton Styles */
.loading-skeleton {
    background-color: #f0f0f0;
    background: linear-gradient(100deg, #f0f0f0 8%, #e0e0e0 18%, #f0f0f0 33%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius);
    color: transparent; /* Hide text during loading */
    pointer-events: none; /* Disable interaction */
    user-select: none; /* Disable text selection */
}

.loading-skeleton h1, .loading-skeleton h2, .loading-skeleton p, .loading-skeleton span, .loading-skeleton button {
    background-color: #f0f0f0;
    color: transparent;
}

.loading-skeleton-grid .category-card,
.loading-skeleton-grid .restaurant-card,
.loading-skeleton-grid .product-card {
    background-color: #f0f0f0;
    background: linear-gradient(100deg, #f0f0f0 8%, #e0e0e0 18%, #f0f0f0 33%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border: 1px solid #e0e0e0;
}

.loading-skeleton-grid .category-card img,
.loading-skeleton-grid .restaurant-card img,
.loading-skeleton-grid .product-card img {
    background-color: #d0d0d0;
    border-bottom: 1px solid #e0e0e0;
}

.loading-skeleton-grid .category-card h3,
.loading-skeleton-grid .restaurant-card h3,
.loading-skeleton-grid .product-card h3,
.loading-skeleton-grid .product-card .price,
.loading-skeleton-grid .restaurant-card p,
.loading-skeleton-grid .product-card .add-to-cart-btn {
    background-color: #e0e0e0;
    height: 1.2em;
    margin: 1rem;
    border-radius: 4px;
    width: 70%; /* Adjust width for text-like appearance */
    display: inline-block;
}

.loading-skeleton-grid .product-card .price {
    width: 40%;
}

.loading-skeleton-grid .product-card .add-to-cart-btn {
    width: 60%;
    height: 2.5em;
    margin-bottom: 1rem;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        padding: 1rem;
    }

    nav ul {
        flex-direction: column;
        margin-top: 1rem;
    }

    nav ul li {
        margin: 0.5rem 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .container {
        margin: 1rem auto;
    }

    .category-grid, .restaurant-grid, .product-grid {
        grid-template-columns: 1fr;
    }
}