.content-top {
    display: flex;
    justify-content: center;
    align-items: center;
    height: max(100%, 480px);
}

.content-top:has(.signup-screen) {
    height: max(100%, 1000px);
}

.form-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 0;
}

.form-group {
    width: 80%;
}

.form,
.form-header {
    width: min(420px,100vw);
}

.form {
    padding-top: 25px;
}

.form-header h1 {
    font-size: 1.75rem;
    margin-bottom: 10px;
}

.form-header p {
    opacity: 0.9;
}

.form input[type="submit"] {
    width: 80%;
    padding: 14px;
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    color: white;
    margin-top: 10px;
    margin-bottom: 15px;
    cursor: pointer;
}

.form .btn-signin-signup {
    font-size: .875rem;
}

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

/* signup */

.signup-screen .form {
    padding-top: 15px;
}

.signup-screen .form-header {
    padding: 24px 0;
}

.signup-screen .form-group {
    margin-bottom: 8px;
}

.signup-screen .form .form-group .gender {
    margin-top: 10px;
}

.signup-screen .form .form-group .gender input {
    appearance: none;
}

.signup-screen .form .form-group .gender label {
    display: inline-block;
    width: 65px;
    border: 2px solid var(--gray-300);
    border-radius: 10px;
    text-align: center;
    padding: 8px 0;
    cursor: pointer;
    color: #333;
    font-weight: 500;
}

.signup-screen .form .form-group .gender input:checked + label {
    border-color: var(--primary-color);
    color: var(--primary-color);
}