.xio-quiz {
    max-width: 1100px;
    margin: 24px auto;
    padding: 20px;
    box-sizing: border-box;
    font-family: inherit;
    color: #111 !important;
}

.xio-question {
    font-size: 22px;
    line-height: 1.45;
    font-weight: 700;
    color: #111 !important;
    margin-bottom: 10px;
}

.xio-instruction {
    font-size: 15px;
    color: #111 !important;
    margin-bottom: 18px;
}

.xio-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    align-items: stretch;
    touch-action: pan-y;
}

.xio-card {
    position: relative;
    background: #fff;
    border: 2px solid #d9d9d9;
    border-radius: 10px;
    padding: 10px;
    cursor: grab;
    user-select: none;
    box-sizing: border-box;
    transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
    min-height: 150px;
}

.xio-card:active,
.xio-dragging {
    cursor: grabbing;
    transform: scale(.98);
    box-shadow: 0 8px 22px rgba(0,0,0,.14);
}

.xio-card img {
    display: block;
    width: 100%;
    height: 180px;
    object-fit: contain;
    border-radius: 6px;
    background: #f5f5f5;
}

.xio-position {
    position: absolute;
    z-index: 2;
    top: 7px;
    left: 7px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #111;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
}

.xio-card.xio-correct {
    border-color: #16823b;
    box-shadow: 0 0 0 2px rgba(22,130,59,.15);
}

.xio-card.xio-wrong {
    border-color: #d62828;
    box-shadow: 0 0 0 2px rgba(214,40,40,.12);
}

.xio-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.xio-actions button {
    border: 0;
    border-radius: 7px;
    padding: 11px 18px;
    font-size: 15px;
    cursor: pointer;
    color: #fff !important;
    background: #111;
}

.xio-actions .xio-reset {
    background: #666;
}

.xio-result {
    margin-top: 16px;
    font-size: 17px;
    color: #111 !important;
}

.xio-result-note {
    display: block;
    font-size: 14px;
    margin-top: 5px;
    color: #111 !important;
}

.xio-error {
    color: #111 !important;
}

@media (max-width: 600px) {
    .xio-quiz { padding: 12px; }
    .xio-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .xio-card { padding: 7px; min-height: 120px; }
    .xio-card img { height: 125px; }
    .xio-question { font-size: 19px; }
}


/* Mobile drag behavior: do not treat a long press as a browser gesture. */
.xio-card {
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    touch-action: pan-y;
}

.xio-card img {
    -webkit-user-drag: none;
    user-select: none;
    pointer-events: none;
}