.dsp-readonly {
    pointer-events: none;
    background-color: #f0f0f0;
    cursor: not-allowed;
}
.dsp-sold {
    opacity: 0.5;
    position: relative;
}
.dsp-sold::after {
    content: attr(data-sold-text);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-15deg);
    font-size: 24px;
    font-weight: bold;
    color: #c00;
    border: 3px solid #c00;
    padding: 8px 20px;
    border-radius: 6px;
    background: rgba(255,255,255,0.9);
}