/* Стили для калькулятора экологического следа продуктов */

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

.product-calculator body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
    color: #333;
    line-height: 1.6;
}

.product-calculator .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.product-calculator .header {
    text-align: center;
    margin-bottom: 40px;
    color: #333;
}

.product-calculator .header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.product-calculator .header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.product-calculator .calculator-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    margin-bottom: 30px;
}

.product-calculator .section-title {
    color: #2E8B57;
    font-size: 1.5rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-calculator .product-input-section {
    margin-bottom: 30px;
}

.product-calculator .product-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.product-calculator .unit-display {
    font-weight: bold;
    color: #2c5530;
    background: #e8f5e8;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.9rem;
}

.product-calculator .product-select {
    flex: 2;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.product-calculator .product-select:focus {
    outline: none;
    border-color: #2E8B57;
}

.product-calculator .quantity-input {
    flex: 1;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    text-align: center;
    transition: border-color 0.3s ease;
}

.product-calculator .quantity-input:focus {
    outline: none;
    border-color: #2E8B57;
}

.product-calculator .unit-select {
    flex: 1;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.product-calculator .unit-select:focus {
    outline: none;
    border-color: #2E8B57;
}

.product-calculator .remove-btn {
    background: #ff4757;
    color: white;
    border: none;
    padding: 12px 15px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s ease;
}

.product-calculator .remove-btn:hover {
    background: #ff3742;
}

.product-calculator .add-product-btn {
    background: linear-gradient(135deg, #2E8B57 0%, #32CD32 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: transform 0.3s ease;
    margin-bottom: 20px;
}

.product-calculator .add-product-btn:hover {
    transform: scale(1.05);
}

.product-calculator .calculate-btn {
    background: linear-gradient(135deg, #2E8B57 0%, #32CD32 100%);
    color: white;
    border: none;
    padding: 20px 40px;
    border-radius: 15px;
    font-size: 1.3rem;
    cursor: pointer;
    transition: transform 0.3s ease;
    width: 100%;
    margin-top: 20px;
}

.product-calculator .calculate-btn:hover {
    transform: scale(1.02);
}

.product-calculator .results-section {
    background: #f8fff8;
    border: 2px solid #2E8B57;
    border-radius: 15px;
    padding: 25px;
    margin-top: 30px;
    display: none;
}

.product-calculator .results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.product-calculator .result-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-calculator .result-value {
    font-size: 2rem;
    font-weight: bold;
    color: #2E8B57;
    margin-bottom: 5px;
}

.product-calculator .result-label {
    color: #666;
    font-size: 0.9rem;
}

.product-calculator .comparison-section {
    background: #e8f5e8;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.product-calculator .comparison-title {
    color: #2E8B57;
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.product-calculator .comparison-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #d0e8d0;
}

.product-calculator .comparison-item:last-child {
    border-bottom: none;
}

.product-calculator .recommendations {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.product-calculator .recommendations h3 {
    color: #856404;
    margin-bottom: 15px;
}

.product-calculator .recommendation-item {
    background: white;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
    border-left: 4px solid #ffc107;
}

.product-calculator .loading {
    text-align: center;
    padding: 20px;
    color: #2E8B57;
}

.product-calculator .spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #2E8B57;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.product-calculator .error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 15px;
    border-radius: 10px;
    margin: 15px 0;
}

.product-calculator .success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 15px;
    border-radius: 10px;
    margin: 15px 0;
}

.product-calculator .share-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

.product-calculator .share-btn {
    background: #4267B2;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.product-calculator .share-btn:hover {
    background: #365899;
}

.product-calculator .share-btn.vk {
    background: #4680C2;
}

.product-calculator .share-btn.vk:hover {
    background: #3a6ba5;
}

.product-calculator .share-btn.telegram {
    background: #0088cc;
}

.product-calculator .share-btn.telegram:hover {
    background: #006699;
}

@media (max-width: 768px) {
    .product-calculator .container {
        padding: 10px;
    }
    
    .product-calculator .header h1 {
        font-size: 2rem;
    }
    
    .product-calculator .product-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .product-calculator .product-select,
    .product-calculator .quantity-input,
    .product-calculator .unit-select {
        flex: none;
        width: 100%;
    }
    
    .product-calculator .results-grid {
        grid-template-columns: 1fr;
    }
}