/* Telegram Mini App Styles */
:root {
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #2481cc;
    --tg-theme-button-color: #2481cc;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f1f1f1;
    
    /* Custom colors */
    --primary-color: #2481cc;
    --secondary-color: #f8f9fa;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --border-radius: 12px;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 100%;
    padding: 16px;
    margin: 0 auto;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 24px;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), #1e6bb8);
    border-radius: var(--border-radius);
    color: white;
    box-shadow: var(--shadow);
}

.header h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.header p {
    font-size: 14px;
    opacity: 0.9;
}

/* Categories */
.categories {
    margin-bottom: 32px;
}

.categories h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--tg-theme-text-color);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.category-card {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--border-radius);
    padding: 16px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.category-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.category-card h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--tg-theme-text-color);
}

.category-card p {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
}

/* Featured Products */
.featured {
    margin-bottom: 32px;
}

.featured h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--tg-theme-text-color);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 12px;
}

.product-card {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--border-radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.product-image {
    font-size: 40px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 8px;
}

.product-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--tg-theme-text-color);
}

.price {
    font-size: 18px;
    font-weight: 700;
    color: var(--success-color);
    margin-bottom: 4px;
}

.rating {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
}

/* Stats */
.stats {
    margin-bottom: 32px;
}

.stats h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--tg-theme-text-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.stat-card {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
}

.stat-number {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
}

/* Info */
.info {
    margin-bottom: 32px;
}

.info h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--tg-theme-text-color);
}

.info-card {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--border-radius);
    padding: 20px;
}

.info-card p {
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.5;
}

.info-card p:last-child {
    margin-bottom: 0;
}

/* Footer */
.footer {
    text-align: center;
    padding: 24px;
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--border-radius);
    margin-top: 32px;
}

.footer p {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
    margin-bottom: 8px;
}

.footer p:last-child {
    margin-bottom: 0;
}

.telegram-info {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.telegram-info code {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 11px;
}

/* Dark theme support */
@media (prefers-color-scheme: dark) {
    :root {
        --tg-theme-bg-color: #1a1a1a;
        --tg-theme-text-color: #ffffff;
        --tg-theme-hint-color: #666666;
        --tg-theme-secondary-bg-color: #2a2a2a;
    }
    
    .product-image {
        background: #333;
    }
    
    .telegram-info code {
        background: rgba(255, 255, 255, 0.1);
    }
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: 12px;
    }
    
    .header {
        padding: 16px;
    }
    
    .header h1 {
        font-size: 20px;
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .category-card {
        padding: 12px;
    }
    
    .category-icon {
        font-size: 24px;
    }
    
    .product-card {
        padding: 12px;
        gap: 12px;
    }
    
    .product-image {
        width: 50px;
        height: 50px;
        font-size: 32px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-card,
.product-card,
.stat-card,
.info-card {
    animation: fadeIn 0.5s ease-out;
}

/* Loading state */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
    font-size: 16px;
    color: var(--tg-theme-hint-color);
}

.loading::before {
    content: "⏳";
    margin-right: 8px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}