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p{line-height:1.55}.cat-instr{padding-left:20px;line-height:1.6}.cat-instr li{margin-bottom:8px}.cat-sumtable{display:grid;gap:4px;margin:12px 0;border:1px solid #dde3e9;padding:10px}.cat-sumtable div{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.cat-sumtable span{color:#555}.cat-declare{display:flex;gap:10px;align-items:flex-start;margin:12px 0;line-height:1.5;cursor:pointer}.cat-declare input{width:20px;height:20px;margin-top:2px;flex:none}.cat-dlgbtns{display:flex;justify-content:flex-end;gap:8px;margin-top:14px;flex-wrap:wrap}.cat-result{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid #dde3e9;margin:12px 0}.cat-result div{padding:14px;text-align:center;border-right:1px solid #dde3e9}.cat-result div:last-child{border-right:0}.cat-result span{display:block;font-size:26px;font-weight:700}.cat-result small{color:#555}.cat-paper{padding-left:22px;line-height:1.5}.cat-paper li{margin-bottom:8px}.cat-calc{position:absolute;right:16px;top:100px;width:252px;background:#f4f6f8;border:1px solid #8fa0b1;z-index:4;box-shadow:0 6px 24px rgba(0,0,0,.18)}.cat-calc[hidden]{display:none}.cat-calchead{display:flex;justify-content:space-between;align-items:center;background:#34495e;color:#fff;padding:4px 4px 4px 10px;font-weight:700;font-size:13px}.cat-calchead button{background:none;border:0;color:#fff;font-size:20px;width:40px;height:36px;cursor:pointer}.cat-calcscreen{background:#fff;margin:8px;border:1px solid #9fb0c0;padding:10px;text-align:right;font-size:22px;font-variant-numeric:tabular-nums;min-height:48px;overflow:hidden;position:relative}.cat-calcscreen small{position:absolute;left:8px;top:6px;font-size:11px;color:#1565c0}.cat-calckeys{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;padding:0 8px 8px}.cat-calckeys button{min-height:40px;border:1px solid #9fb0c0;background:#fff;cursor:pointer;font-size:14px}.cat-calckeys button.eq{grid-column:span 4;background:#1565c0;color:#fff;border-color:#1565c0}@media (max-width:860px){.cat-brand span:last-child{display:none}.cat-top{padding:4px 8px}.cat-link{padding:6px 8px;font-size:12.5px}.cat-sections{padding:6px 8px;gap:6px}.cat-tab{padding:8px 12px}.cat-timer{font-size:12px}.cat-timer b{font-size:17px}.cat-palbtn{display:block}.cat-main{grid-template-columns:1fr}.cat-q{border-right:0}.cat-qbody{overflow:auto;display:block}.cat-split{display:block}.cat-pass{border-right:0;border-bottom:3px solid #c9d3dc}.cat-passtext{max-height:42vh}.cat-ques{overflow:visible}.cat-side{position:absolute;right:0;top:0;bottom:0;width:min(320px,90vw);z-index:3;transform:translateX(105%);transition:transform .2s;box-shadow:-6px 0 20px rgba(0,0,0,.2)}.cat-side.open{transform:none}.cat-actions{position:sticky;bottom:0;padding:8px}.cat-actl{flex:1 1 100%;display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px}.cat-actl .cat-btn{padding:8px 6px;font-size:12.5px}.cat-actions .cat-btn.primary{flex:1 1 100%}.cat-calc{left:8px;right:8px;width:auto;top:auto;bottom:90px}}@media (prefers-reduced-motion:reduce){.cat *{transition:none!important}}