:root {
  --c-known:#FF4B00; --c-wrong:#b9b9b9; --c-unsure:#d8d8d8; --c-bar:#FF4B00;
  --fg:#222; --muted:#666; --line:#ddd; --bg:#f7f7f8; --card:#fff;
}
* { box-sizing:border-box; }


.kpi { font-size:20px; font-weight:600; line-height:1.2; text-align:center;  }
.kpi small { display:block; font-size:13px; color:var(--muted); font-weight:400; margin-top:6px; }
.chart-wrap { position:relative; height:360px; }
.chart-wrap.compact { height:130px; }
.chart-wrap.medium { height:300px; }
ol { margin:1em 0; padding-left:1.4em; }
ol li { margin:0 0 10px; }
ol li::marker{ color:var(--point-color); padding-right:2rem; }
.qtext {color:#666; font-weight:600; }
.meta { color:var(--muted); font-size:13px; }
.rate { font-variant-numeric:tabular-nums; font-weight:600; }
.attr-block { margin:0 0 22px; padding-bottom:18px; }
.attr-block:last-child { border-bottom:0; padding-bottom:0; margin-bottom:0; }
.table-like { width:100%; border-collapse:collapse; }
.table-like th,.table-like td { border-bottom:1px solid var(--line); padding:8px 6px; vertical-align:middle; text-align:left; }
.table-like th { font-size:13px; color:var(--muted); white-space: nowrap; }
.note { color:var(--muted); margin-top:8px; }
.accordion-list { display:grid; gap:12px; }
details.q-acc { border:1px solid var(--line); border-radius:10px; background:#fff; overflow:hidden; }
details.q-acc summary { cursor:pointer; list-style:none; padding:14px 16px; display:grid; grid-template-columns:72px 1fr auto; gap:12px; align-items:start; }
details.q-acc summary::-webkit-details-marker { display:none; }
.q-rank { font-weight:600; color:var(--point-color); }
.q-title {color:#666; font-weight:600; }
.q-stat { white-space:nowrap; color:var(--muted); font-size:13px; }
.q-body { border-top:1px solid var(--line); padding:10px; }
.copy-hint { font-size:12px; color:var(--muted); margin-top:8px; }
@media (max-width:800px) {
  .grid { grid-template-columns:1fr; }
  details.q-acc summary { grid-template-columns:1fr; }
  .q-stat { white-space:normal; }
}
.q-title{
  display:block;
  white-space:normal;
  line-height:1.6;
}