.exam-container {
    max-width: 900px;
    margin: 0 auto;
}

.exam-card {
    border: 1px solid var(--bs-border-color);
    margin-bottom: 30px;
    background-color: var(--bs-body-bg);
    border-radius: 8px;
}

.exam-header {
    background-color: var(--bs-tertiary-bg);
    color: var(--bs-heading-color);
    padding: 15px 20px;
    border-bottom: 1px solid var(--bs-border-color);
    display: flex;
    align-items: center;
    gap: 15px;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.exam-number {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--bs-primary);
}

.exam-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.exam-body {
    padding: 20px;
}

.question-list {
    margin-bottom: 20px;
    padding-right: 20px;
}

.question-list li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.correction-box {
    display: none;
    background-color: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color);
    margin-top: 15px;
    border-radius: 6px;
}

.correction-header {
    padding: 10px 15px;
    font-weight: bold;
    border-bottom: 1px solid var(--bs-border-color);
    color: var(--bs-secondary-color);
}

.correction-content {
    padding: 15px;
    direction: ltr;
    text-align: left;
}

/* Simple Button Style */
.btn-reveal {
    border-radius: 4px;
    font-weight: normal;
}