body {
    font-family: 'Vazirmatn', sans-serif;
    background-color: #f4f6f9;
}

.btn-option {
    text-align: right;
    padding: 16px 22px;
    border-radius: 14px;
    border: 2px solid #e9ecef;
    background-color: #ffffff;
    color: #212529;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.btn-option:hover {
    border-color: #0d6efd;
    background-color: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.btn-option.selected {
    border-color: #0d6efd;
    background-color: #e7f1ff;
    color: #0d6efd;
    font-weight: bold;
}

.fade-in {
    animation: fadeIn 0.35s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

#mbti-type-display {
    background: #e7f1ff;
    padding: 4px 16px;
    border-radius: 10px;
    border: 2px dashed #0d6efd;
    letter-spacing: 4px;
}