body {
    background: #f5f7fa;
    font-family: "Segoe UI", "Roboto", sans-serif;
}

h5 {
    font-size: 1rem;
}

.card {
    border: none;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}
.card-body {
    padding: 0;
}

.question-step {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.question-step.active {
    display: block;
}

.form-check-label {
    display: block;
    width: 100%;
    padding: 1rem;
    border: 1px solid #e3e3e3;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    text-align: center;
    font-weight: 500;
    background: #fff;
}

.form-check-input:checked+.form-check-label {
    background-color: #e9f0ff;
    border-color: #91b9ff;
}

.form-check-input {
    display: none;
}

.feedback {
    text-align: center;
    margin-top: 6px;
    font-weight: 500;
}

.answer-correct {
    background-color: #d1e7dd !important;
    border-color: #a3cfbb !important;
    color: #0f5132;
}

.answer-wrong {
    background-color: #f8d7da !important;
    border-color: #f1aeb5 !important;
    color: #842029;
}


@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media screen and (max-width: 768px) {
    .logo img {
        width: 160px;
    }
    .form-check {
        padding-left: 0!important;
    }
}