/* Styling for the sex select dropdown */
#sex {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e1e1e1;
    border-radius: 4px;
    font-size: 16px;
    font-family: 'Muli', sans-serif;
    color: #333;
    background-color: #fff;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23333" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/><path d="M0 0h24v24H0z" fill="none"/></svg>');
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 12px;
    margin-bottom: 15px;
}

#sex:focus {
    outline: none;
    border-color: #f1c40f;
    box-shadow: 0 0 5px rgba(241, 196, 15, 0.5);
}

/* Styling for the BMI result */
#bmi-result {
    font-size: 18px;
    font-family: 'Muli', sans-serif;
    color: #333;
    background-color: #f9f9f9;
    padding: 15px;
    border-radius: 4px;
    text-align: center;
    margin-top: 20px;
    border: 1px solid #e1e1e1;
}

#bmi-result span {
    color: #e74c3c;
}