/* Custom Styles */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.btn-lg {
    border-radius: 12px; /* Softer corners for mobile buttons */
    font-weight: 600;
}

.option-btn {
    text-align: left;
    padding: 15px;
    border: 2px solid #e9ecef;
    background: white;
    color: #333;
    transition: all 0.2s;
    font-size: 1.1rem;
    border-radius: 10px;
}

.option-btn:hover {
    background-color: #f1f3f5;
    border-color: #ced4da;
}

.option-btn.correct {
    background-color: #d1e7dd !important;
    border-color: #badbcc !important;
    color: #0f5132 !important;
}

.option-btn.wrong {
    background-color: #f8d7da !important;
    border-color: #f5c2c7 !important;
    color: #842029 !important;
}

.ad-box {
    background-color: #e9ecef;
    width: 100%;
    height: 100px; /* Adjust based on your ad size */
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px dashed #adb5bd;
    margin: 0 auto;
}

/* ... existing css ... */

/* Footer Styles */
footer {
    background-color: #ffffff;
    font-size: 0.9rem;
}

footer a {
    transition: color 0.2s;
}

footer a:hover {
    color: #0d6efd !important; /* Bootstrap primary blue on hover */
    text-decoration: underline !important;
}