/* AI Ingredient Substitution Tool Styles */

.substitution-ai-container {
    max-width: 600px;
    margin: 30px auto;
    padding: 25px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.substitution-ai-header {
    text-align: center;
    margin-bottom: 25px;
}

.substitution-ai-header h3 {
    margin: 0 0 10px 0;
    color: #2c3e50;
    font-size: 24px;
}

.substitution-ai-header p {
    margin: 0;
    color: #7f8c8d;
    font-size: 14px;
}

.substitution-ai-form {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}

.substitution-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.substitution-input:focus {
    outline: none;
    border-color: #3498db;
}

.substitution-btn {
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    white-space: nowrap;
}

.substitution-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.substitution-btn:active {
    transform: translateY(0);
}

.substitution-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.substitution-results {
    min-height: 50px;
}

.substitution-success {
    animation: fadeIn 0.5s;
}

.substitution-success h4 {
    color: #27ae60;
    margin: 0 0 20px 0;
    font-size: 18px;
}

.substitution-success h4 strong {
    color: #2c3e50;
}

.substitution-list {
    display: grid;
    gap: 15px;
}

.substitution-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #667eea;
    transition: transform 0.2s, box-shadow 0.2s;
}

.substitution-item:hover {
    transform: translateX(5px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sub-name {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 8px;
}

.sub-ratio {
    font-size: 14px;
    color: #7f8c8d;
    margin-bottom: 6px;
}

.sub-ratio strong {
    color: #34495e;
}

.sub-note {
    font-size: 14px;
    color: #555;
    font-style: italic;
    line-height: 1.5;
}

.error-message {
    background: #ffe6e6;
    color: #c0392b;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #e74c3c;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .substitution-ai-container {
        margin: 20px;
        padding: 20px;
    }
    
    .substitution-ai-form {
        flex-direction: column;
    }
    
    .substitution-btn {
        width: 100%;
    }
}