:root {
    --primary-color: #000000;
    --secondary-color: #333333;
    --accent-color: #D4AF37;
    --background-color: #f9f9f9;
    --card-color: #ffffff;
    --text-color: #333333;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

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

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

.logo {
    height: 50px;
    width: auto;
}

.search-container {
    display: flex;
    align-items: center;
    flex-grow: 1;
    max-width: 300px;
}

#searchInput {
    padding: 0.5rem;
    border: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    width: 100%;
}

#searchBtn {
    background-color: var(--accent-color);
    border: none;
    color: white;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

main {
    max-width: 1200px;
    margin: 1rem auto;
    padding: 0 1rem;
}

/* Category filters */
.category-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    justify-content: center;
    overflow-x: auto;
    padding: 1rem 0.5rem;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    scroll-behavior: smooth;
}

.category-filters::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.category-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 100px;
    text-align: center;
    cursor: pointer;
    padding: 0.5rem;
    transition: all 0.3s ease;
    border: none;
    background: transparent;
    color: var(--text-color);
}

.category-button.active {
    color: var(--accent-color);
}

.category-image {
    width: 80px;
    height: 80px;
    border-radius: 20%;
    object-fit: cover;
    margin-bottom: 0.5rem;
    border: 2px solid #ddd;
    padding: 3px;
    transition: all 0.3s ease;
}

.category-button.active .category-image {
    border-color: var(--accent-color);
}

.category-button:hover .category-image {
    transform: scale(1.05);
}

.category-name {
    font-size: 0.9rem;
    font-weight: 600;
}

/* Veg/Non-veg filter */
.veg-nonveg-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    justify-content: center;
}

.filter-btn {
    background-color: var(--card-color);
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--accent-color);
    color: white;
}

/* Subcategory styles */
.subcategory-list {
    margin-bottom: 1.5rem;
    position: relative;
}

.subcategory-item {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    border: 1px solid #f0f0f0;
}

.subcategory-header {
    padding: 1rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    background-color: #f5f5f5;
    color: var(--text-color);
    transition: background-color 0.3s ease;
    border-left: 4px solid var(--accent-color);
}

.subcategory-header:hover {
    background-color: #eaeaea;
}

.subcategory-header.active {
    background-color: var(--accent-color);
    color: white;
    border-left: 4px solid var(--accent-color);
}

.subcategory-header .fa-chevron-down {
    transition: transform 0.3s ease;
}

.subcategory-header.active .fa-chevron-down {
    transform: rotate(180deg);
}

.subcategory-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-out;
}

.subcategory-content.active {
    max-height: 5000px; /* Larger value to accommodate more items */
    padding: 1.5rem;
}

/* Menu items in subcategory */
.menu-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.menu-items-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.menu-item {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: transform 0.3s ease;
}

.menu-item:hover {
    transform: translateY(-5px);
}

.menu-item-image {
    height: 180px;
    width: 100%;
    object-fit: cover;
}

.menu-item-content {
    padding: 1rem;
}

.menu-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.menu-item-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.veg-indicator {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-item-price {
    font-weight: bold;
    color: var(--accent-color);
    margin: 0.5rem 0;
}

.menu-item-description {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.category-tag {
    display: inline-block;
    background-color: #eee;
    padding: 0.2rem 0.5rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: #555;
}

.loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    font-style: italic;
    color: #666;
}

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    font-style: italic;
    color: #666;
}

footer {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
    padding: 1rem;
    margin-top: 2rem;
}

.admin-link {
    color: white;
    text-decoration: none;
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.25rem 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius);
}

.admin-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.veg-icon, .non-veg-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-right: 4px;
}

@media (max-width: 768px) {
    body {
        background-color: #f2f2f2;
    }
    
    .header-container {
        flex-direction: column;
        align-items: center;
        padding: 0.5rem 0;
    }
    
    .logo {
        margin-bottom: 10px;
        height: 40px;
    }
    
    .search-container {
        width: 100%;
        max-width: none;
        margin-bottom: 5px;
    }
    
    #searchInput {
        border: 1px solid #eee;
    }
    
    main {
        padding: 0;
        margin-top: 0.5rem;
    }
    
    .category-filters {
        padding: 1rem 0.9rem;
        gap: 1.75rem;
        justify-content: flex-start;
        margin-bottom: 1rem;
        background-color: #fff;
        border-radius: var(--border-radius);
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }
    
    .category-button {
        min-width: 70px;
    }
    
    .category-image {
        width: 65px;
        height: 65px;
        margin-bottom: 0.25rem;
    }
    
    .category-name {
        font-size: 0.8rem;
    }
    
    .veg-nonveg-filter {
        margin-bottom: 1rem;
        padding: 0 0.5rem;
        background-color: white;
        border-radius: var(--border-radius);
        padding: 0.5rem;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }
    
    .filter-btn {
        padding: 0.35rem 0.75rem;
        font-size: 0.9rem;
        border-radius: 20px;
    }
    
    .filter-btn.active {
        box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    }
    
    .subcategory-list {
        padding: 0 0.5rem;
    }
    
    .subcategory-item {
        margin-bottom: 0.75rem;
    }
    
    .subcategory-header {
        padding: 0.75rem;
        font-size: 0.95rem;
        border-left-width: 6px;
    }
    
    .subcategory-header.active {
        border-left-width: 6px;
    }
    
    .subcategory-content.active {
        padding: 0.75rem;
        background-color: white;
    }
    
    .menu-items-grid, 
    .menu-items-container {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .menu-item {
        display: grid;
        grid-template-columns: 100px 1fr;
        height: auto;
        margin-bottom: 0;
    }
    
    .menu-item-image {
        height: 100%;
        border-radius: var(--border-radius) 0 0 var(--border-radius);
    }
    
    .menu-item-title {
        font-size: 1rem;
    }
    
    .menu-item-price {
        font-weight: bold;
    }
    
    .menu-item-description {
        font-size: 0.8rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        color: #666;
    }
    
    footer {
        margin-top: 1rem;
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0.25rem 0;
    }
    
    .logo {
        height: 35px;
    }

    .search-container {
        max-width: 90%;
    }
    
    .category-image {
        width: 80px;
        height: 80px;
        border-width: 1px;
    }
    
    .category-button {
        min-width: 60px;
        padding: 0.25rem;
    }
    
    .category-name {
        font-size: 0.75rem;
    }

    .veg-nonveg-filter {
        justify-content: space-around;
        width: 100%;
    }
    
    .filter-btn {
        flex: 1;
        text-align: center;
        padding: 0.35rem 0.5rem;
        font-size: 0.85rem;
        max-width: 30%;
    }
    
    .subcategory-header {
        padding: 0.6rem;
        font-size: 0.9rem;
    }
    
    .menu-item {
        grid-template-columns: 80px 1fr;
    }
    
    .menu-item-content {
        padding: 0.75rem;
    }
    
    .menu-item-title {
        font-size: 0.95rem;
    }
    
    .menu-item-price {
        font-size: 0.9rem;
        margin: 0.25rem 0;
    }
    
    .menu-item-description {
        font-size: 0.75rem;
        margin-bottom: 0.25rem;
    }
}