#quiz-launcher-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #2ecc71;
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    font-family: 'Pretendard', sans-serif;
}

#quiz-launcher-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background-color: #27ae60;
}

.quiz-icon {
    font-weight: bold;
    font-size: 18px;
    background: rgba(255, 255, 255, 0.2);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quiz-text {
    font-weight: bold;
    font-size: 16px;
}

#quiz-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10000;
    backdrop-filter: blur(5px);
}

.quiz-modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 650px;
    height: 80vh;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.quiz-modal-close {
    position: absolute;
    top: 10px;
    right: 15px;
    background: none;
    border: none;
    font-size: 28px;
    color: #666;
    cursor: pointer;
    z-index: 10001;
    line-height: 1;
}

.quiz-modal-close:hover {
    color: #333;
}

#quiz-iframe {
    width: 100%;
    height: 100%;
    border: none;
}

#quiz-timer {
    position: absolute;
    top: 15px;
    left: 20px;
    font-size: 24px;
    font-weight: bold;
    color: #e74c3c;
    z-index: 10001;
    background: rgba(255, 255, 255, 0.8);
    padding: 0 10px;
    border-radius: 5px;
}