form {
    margin: 0 auto;
    width: 400px;
    background: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

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

input, textarea {
    margin-bottom: 15px;
    padding: 12px;
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus, textarea:focus {
    border-color: #007bff;
    box-shadow: 0 0 5px rgba(0, 123, 255, 0.5);
    outline: none;
}

button, input[type='submit'] {
    padding: 12px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
    transition: background 0.3s ease, transform 0.3s ease;
}

button:hover, input[type='submit']:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

label {
    cursor: pointer;
    font-weight: bold;
    color: #333;
    display: block;
    margin-bottom: 8px;
}

#form-switch {
    display: none;
}

#register-form {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

#login-form {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

#form-switch:checked ~ #register-form {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

#form-switch:checked ~ #login-form {
    opacity: 0;
    transform: translateY(20px);
    display: none;
}