body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f7f7;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}
.login-container {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 30px;
    max-width: 400px;
    width: 100%;
}
.login-container h1 {
    font-size: 1.8em;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}
.login-section {
    border: 1px solid #ddd;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
}
.login-section h2 {
    font-size: 1.2em;
    margin-top: 0;
    margin-bottom: 15px;
    text-align: center;
    color: #cb0c21;
}
.login-container label {
    font-size: 1em;
    color: #555;
    margin-bottom: 10px;
    display: block;
}
.login-container select,
.login-container input[type="password"],
.login-container input[type="email"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
    margin-bottom: 15px;
}
.login-container button {
    background-color: #cb0c21;
    color: #fff;
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: 100%;
}
.login-container button:hover {
    background-color: #b70b1e;
}
.login-container .error {
    color: red;
    font-size: 0.9em;
    margin-top: 10px;
    text-align: center;
}
.login-container .success {
    color: green;
    font-size: 0.9em;
    margin-top: 10px;
    text-align: center;
}
.birthdate-selects {
    display: flex;
    justify-content: space-between;
}
.birthdate-selects select { width: 32%; }