#puvg-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}
#puvg-overlay.puvg-hidden { display: none; }
body.puvg-locked { overflow: hidden; }

#puvg-card {
    background: #1c1c1e;
    border-radius: 14px;
    padding: 32px 28px;
    width: 340px;
    max-width: 90vw;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

#puvg-lock {
    font-size: 40px;
    margin-bottom: 14px;
}

#puvg-title {
    color: #d8d8dc;
    font-size: 14px;
    margin-bottom: 20px;
}

#puvg-question {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.puvg-num, .puvg-answer-slot {
    background: #2c2c2e;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    border-radius: 8px;
    width: 56px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.puvg-answer-slot {
    color: #3aa9ff;
    border: 1.5px solid #3aa9ff;
    background: #1c1c1e;
}

.puvg-op {
    color: #8e8e93;
    font-size: 18px;
    font-weight: 600;
}

#puvg-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 16px;
}

.puvg-option {
    background: #2c2c2e;
    color: #fff;
    border: 1px solid #3a3a3c;
    border-radius: 8px;
    padding: 12px 0;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.puvg-option:hover { background: #3a3a3c; }
.puvg-option:active { background: #48484a; }
.puvg-option.puvg-wrong { background: #4a2020; border-color: #7a3030; }
.puvg-option.puvg-correct { background: #1f4a26; border-color: #2f7a3a; }

#puvg-attempts {
    color: #8e8e93;
    font-size: 12px;
}