body {
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 20px;
    margin: 0;
    min-height: 100vh;
}

.login-container {
    background: white;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
}

.user-type-selector {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.user-type-btn {
    padding: 10px 20px;
    margin: 0 5px;
    background-color: #5cb85c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.user-type-btn:hover {
    background-color: #4cae4c;
}

.user-type-btn.active {
    background-color: #4cae4c;
}

.registration-form {
    display: none;
}

.registration-form.active {
    display: block;
}

.login-box {
    border: none;
}

.login-title {
    text-align: center;
    font-size: 24px;
    margin-bottom: 20px;
}

label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

.input-field {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

select.input-field {
    height: 40px;
}

.button-container {
    margin-top: 20px;
}

.login-button {
    width: 100%;
    padding: 12px;
    background-color: #5cb85c;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
}

.login-button:hover {
    background-color: #4cae4c;
}

.login_page {
    text-align: center;
    margin-top: 15px;
    font-size: 14px;
}

.login_page a {
    color: #5cb85c;
    text-decoration: none;
}

.login_page a:hover {
    text-decoration: underline;
}

.error-message {
    color: red;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

.input-valid {
    border: 1px solid green;
}

.input-invalid {
    border: 1px solid red;
}

@media (max-width: 480px) {
    .login-container {
        padding: 20px;
    }
    
    .user-type-btn {
        padding: 8px 15px;
        font-size: 14px;
    }
}