#add-user-form {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    margin: auto;
}

.form-header {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

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

.form-field input[type="text"],
.form-field input[type="email"],
.form-field input[type="password"],
.form-field select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    background-color: #fafafa;
    color: #333;
    transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
.form-field select:focus {
    border-color: #4CAF50;
    outline: none;
}

input::placeholder,
.form-field select::placeholder {
    color: #888;
}

option:disabled {
    color: #aaa;
}

.form-field button {
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    background-color: #4CAF50;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 15px;
}

.form-field button:hover {
    background-color: #45a049;
}

#btn-delete-user {
    background-color: #f44336;
    margin-top: 10px;
}

#btn-delete-user:hover {
    background-color: #e53935;
}

.form-field + .form-field {
    margin-top: 10px;
}

.error {
    color: #f44336;
    font-size: 12px;
    margin-top: 5px;
    padding-left: 10px;
}

@media (max-width: 500px) {
    #add-user-form {
        width: 100%;
        padding: 15px;
    }

    .form-header {
        font-size: 20px;
    }
}

form label:has(+ select[required]),
form label:has(+ input[required]) {
    position: relative;
}

form label:has(+ select[required])::after,
form label:has(+ input[required])::after {
    content: '*';
    color: red;
    position: absolute;
    margin-left: 0.4rem;
}

form .button  {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    font-size: 1em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.1s ease;
    font-weight: 500;
    background-color: #212529;
    color: #fff;
}

form .button:hover{
    transform: scale(1.02);
}