/* Modern Categories Design */
:root {
    --primary-black: #000000;
    --secondary-black: #1a1a1a;
    --text-gray: #666666;
    --border-light: #e0e0e0;
    --background-white: #ffffff;
    --hover-gray: #f5f5f5;
    --accent-color: #007bff;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-white);
    color: var(--primary-black);
    line-height: 1.6;
}

/* Modern Categories Container */
.modern-categories {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 20px;
}

.categories-header {
    text-align: center;
    margin-bottom: 50px;
}

.categories-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-black);
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.categories-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

/* Categories Grid */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.category-card {
    background: var(--background-white);
    border: 2px solid var(--border-light);
    border-radius: 16px;
    padding: 30px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.category-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-black);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
    color: white;
}

.category-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-black);
    margin-bottom: 10px;
}

.category-description {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.5;
}

.category-count {
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 600;
}

/* Subcategories */
.subcategories {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

.category-card.active .subcategories {
    display: block;
}

.subcategory-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: all 0.2s ease;
}

.subcategory-item:hover {
    background: var(--hover-gray);
    margin: 0 -15px;
    padding-left: 15px;
    padding-right: 15px;
    border-radius: 8px;
}

.subcategory-item:last-child {
    border-bottom: none;
}

.subcategory-name {
    font-weight: 600;
    color: var(--secondary-black);
}

.subcategory-price {
    font-weight: 700;
    color: var(--accent-color);
    font-size: 0.9rem;
}

/* Order Button */
.order-btn {
    background: var(--primary-black);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 15px;
}

.order-btn:hover {
    background: var(--secondary-black);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .categories-title {
        font-size: 2rem;
    }
    
    .category-card {
        padding: 25px;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
} 