.ai-hint-box {
    background: #fdf8eb;
    border: 1px solid #fae69e;
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #795548;
    display: none;
}
.btn-hint-toggle {
    background: var(--color-white);
    border: 1px solid #ffd60a;
    color: #b28900;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    margin-left: 10px;
}
.ad-adaptive-slim-box {
    width: 100%;
    margin: 18px auto;
    text-align: center;
    overflow: hidden;
    min-height: 50px;
    max-height: 100px;
}
@media (min-width: 768px) {
    .ad-adaptive-slim-box { min-height: 90px; max-height: 100px; }
}
.q-image-container {
    margin: 20px 0 25px 0;
    text-align: center;
    background: var(--color-white);
    border: 1px solid var(--surface-muted);
    border-radius: 16px;
    padding: 15px;
    overflow: hidden;
}
.q-image-container svg, .q-image-container img {
    max-width: 100%;
    height: auto;
    display: inline-block;
}

/* 실전 타이머 디스플레이 */
.timer-container {
    text-align: center;
    padding: 14px 0 6px 0;
}
.timer-display {
    font-size: 26px;
    font-weight: 900;
    letter-spacing: 1px;
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, monospace;
}
.timer-display.danger {
    color: var(--negative-color);
    animation: blinkPulse 1s infinite alternate;
}
@keyframes blinkPulse {
    from { opacity: 1; }
    to { opacity: 0.5; }
}

/* OMR 제출 버튼 */
.btn-omr-submit {
    width: 100%;
    margin-top: 10px;
    background: var(--primary-color);
    color: var(--color-white);
    border: none;
    padding: 13px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.25);
}
.btn-omr-submit:hover {
    background: #005bb5;
    transform: translateY(-1px);
}
.choices-grid.true-false {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.choices-grid.true-false .choice-item {
    min-height: 104px;
    justify-content: center;
    text-align: center;
}
.choices-grid.true-false .choice-circle {
    width: 46px;
    min-width: 46px;
    height: 46px;
    min-height: 46px;
    flex-basis: 46px;
    font-size: 24px;
}
.choices-grid.true-false .choice-text {
    font-size: 18px !important;
    font-weight: 800;
}
.question-meta-badges { display:flex; align-items:center; gap:6px; flex-wrap:wrap; }
.question-meta-badge { display:inline-flex; align-items:center; padding:4px 8px; border-radius:999px; font-size:11px; font-weight:800; }
.question-meta-badge.difficulty { background:#fff3e8; color:#b54708; }
.question-meta-badge.importance { background:#eef4ff; color:#2457b2; }
@media (max-width: 520px) {
    .choices-grid.true-false { grid-template-columns: 1fr; }
    .choices-grid.true-false .choice-item { min-height: 76px; }
}