.stwa-mensa-wrap {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 20px 0;
}

.stwa-mensa-wrap label {
    font-weight: bold;
    display: block;
    margin-bottom: 5px;
}

.stwa-mensa-wrap select, 
.stwa-mensa-wrap input[type="date"],
.stwa-mensa-wrap input[type="time"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 3px;
    margin-bottom: 10px;
}

#stwa-submit-btn {
    background: #0073aa;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 16px;
}

#stwa-submit-btn:hover {
    background: #005177;
}

#stwa-submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}