.quantity-data { border-collapse:collapse; margin:8px 0; }
.shape-turn-options { display:flex; flex-wrap:wrap; gap:8px; margin:12px 0; }
.quantity-data td, .quantity-data th { border:1px solid #64748b; padding:5px 12px; }
.fraction-model-wrap { width:100%; min-width:0; margin:12px 0; }
.fraction-model-diagram { display:block; width:100%; max-width:400px; height:auto; }
.count-model-wrap { width:100%; min-width:0; margin:16px 0; }
.count-model-diagram { display:block; width:auto; max-width:100%; height:auto; margin:0; }
.count-model-diagram text { font-family:inherit; }
.circle-reference-wrap { margin:12px 0; }
.circle-reference-diagram { display:block; max-width:100%; height:auto; }
.circle-reference-wrap small { display:block; color:#526173; font-size:12px; line-height:1.5; }
.circle-reference-diagram text { font-family:inherit; }
.time-model-wrap { margin:12px 0; }
.time-model-diagram { display:block; max-width:100%; height:auto; }
.time-model-diagram text { font-family:inherit; }
.cuboid-model-wrap { margin:12px 0; }
.cuboid-model-diagram { display:block; max-width:100%; height:auto; }
.cuboid-model-wrap small { display:block; color:#526173; font-size:12px; line-height:1.5; }
.symmetry-model-wrap { margin:12px 0; }
.symmetry-model-diagram { display:block; max-width:100%; height:auto; }
.symmetry-model-diagram text { font-family:inherit; }
.symmetry-model-wrap small { display:block; color:#526173; font-size:12px; line-height:1.5; }
.round-model-wrap { margin:12px 0; }
.round-model-diagram { display:block; max-width:100%; height:auto; }
.round-model-diagram text { font-family:inherit; }
.round-model-wrap small { display:block; color:#526173; font-size:12px; line-height:1.5; }
@media print {
    .circle-reference-wrap { break-inside:avoid; }
    .time-model-wrap { break-inside:avoid; }
    .cuboid-model-wrap { break-inside:avoid; }
    .symmetry-model-wrap { break-inside:avoid; }
    .round-model-wrap { break-inside:avoid; }
    .circle-reference-diagram { print-color-adjust:exact; -webkit-print-color-adjust:exact; }
}
/* Ordinal cards stay in a single reading row on screen and in print. */
.counting-question {
    container-type: inline-size;
}
.counting-question .visual-group {
    display: contents;
}
.counting-question .visual-items {
    display: inline-flex;
    flex-wrap: nowrap;
    gap: 2px;
    vertical-align: middle;
}
.counting-question .visual-item {
    width: clamp(14px, 6cqi, 24px);
    font-size: clamp(14px, 6cqi, 22px);
    flex-shrink: 0;
}
.counting-strip {
    display: flex;
    flex-wrap: nowrap;
    gap: 4px;
    width: 100%;
    margin: 12px 0;
}
.counting-strip > * {
    flex: 0 1 24px;
    min-width: 0;
}
.covered-picture {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    height: 28px;
    border: 1px dashed #64748b;
    border-radius: 5px;
    background: #e2e8f0;
    color: #334155;
    font-size: 18px;
}
.position-board {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    max-width: 100%;
    gap: 8px;
}
.position-board > span { flex: 0 1 auto; min-width: 0; }
.single-picture-question .visual-group {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
}
.single-picture-question .visual-items {
    display: flex;
    flex-wrap: nowrap;
    width: 100%;
    gap: 2px;
}
.single-picture-question .visual-item {
    flex: 1 1 0;
    min-width: 0;
    max-width: 24px;
    font-size: 18px;
}
.visual-choice-row.ordinal-card-row {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 3px;
    width: 100%;
    max-width: 100%;
}
.ordinal-card-row > .visual-choice {
    flex: 1 1 0;
    min-width: 0;
    padding: 8px 0;
    min-height: 36px;
    font-size: 13px;
    box-sizing: border-box;
    white-space: nowrap;
}
/* Quiet worksheet UI; avoid changing canvas dimensions or stored coordinates. */
@media screen {
    .question-card {
        background: #fff;
        border: 1px solid #e4e7ec;
        border-radius: 20px;
        padding: 24px;
        min-width: 0;
        box-shadow: 0 4px 20px rgb(16 24 40 / 3%);
    }
    .question-card .q-header {
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 20px;
        padding-bottom: 14px;
        border-bottom: 1px solid #f0f2f5;
    }
    .question-card .q-number {
        width: 34px;
        height: 34px;
        flex: 0 0 34px;
        border-radius: 11px;
        background: #eef4ff;
        color: #175cd3;
        font-weight: 700;
    }
    .question-card .q-unit-tag {
        color: #667085;
        font-size: 12px;
        line-height: 1.5;
        overflow-wrap: anywhere;
    }
    .question-card .badge-problem-type {
        font-size: 12px;
        line-height: 1.5;
        border-radius: 7px;
        color: #475467;
        background: #f5f6f8;
        max-width: 100%;
        white-space: normal;
    }
    .question-card .q-body {
        color: #1d2939;
        font-size: 17px;
        line-height: 1.85;
        letter-spacing: -0.25px;
        word-break: keep-all;
        overflow-wrap: anywhere;
        margin-bottom: 20px;
    }
    .question-card .input-answer-container {
        padding: 14px;
        border: 1px solid #e4e7ec;
        border-radius: 14px;
        background: #f8f9fb;
        margin: 0 0 16px;
    }
    .question-card .input-answer-row { gap: 10px; flex-wrap: wrap; }
    .question-card .ans-label { color: #475467; font-size: 14px; font-weight: 600; }
    .question-card .input-answer {
        min-width: 0;
        max-width: 100%;
        min-height: 48px;
        box-sizing: border-box;
        font-size: 17px;
        padding: 10px 12px;
        border: 1px solid #cbd5e1;
        border-radius: 10px;
        background: #fff;
        color: #101828;
    }
    .question-card .input-answer:focus-visible {
        outline: 3px solid #dbeafe;
        outline-offset: 2px;
        border-color: #2563eb;
    }
    .question-card .quick-chip-group { margin-top: 10px; }
    .question-card .btn-quick-chip { min-height: 44px; box-shadow: none; }
    .question-card .scratchpad-header { color: #667085; font-size: 12px; }
    @media (max-width: 600px) {
        .question-card { padding: 18px 16px; border-radius: 16px; }
        .question-card .q-header { margin-bottom: 16px; }
        .question-card .q-body { font-size: 16px; line-height: 1.8; }
        .question-card .q-unit-tag { margin-left: 0; }
    }
}