.potting-soil-calculator {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.potting-soil-calculator h3 {
    margin-top: 0;
    color: #3c7438;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-group small {
    display: block;
    color: #666;
    font-size: 0.8em;
    margin-top: 5px;
}

#calculate-button {
    background-color: #4a8d47;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    margin-top: 10px;
}

#calculate-button:hover {
    background-color: #3c7438;
}

#results {
    margin-top: 20px;
    padding: 15px;
    background-color: #e9f5e9;
    border-radius: 5px;
}

.result-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.result-item {
    display: flex;
    align-items: center;
}

.result-label {
    font-weight: bold;
    margin-right: 10px;
    min-width: 150px;
}

@media (max-width: 500px) {
    .potting-soil-calculator {
        padding: 15px;
    }
    
    .result-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .result-label {
        margin-bottom: 5px;
    }
}