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button[aria-selected=true]{border-bottom-color:var(--link);font-weight:700}#out{max-height:640px;overflow:auto}.empty{text-align:center;color:var(--mute);margin:8px 0}.sol-head{justify-content:space-between;align-items:center;display:flex}.badge{font-weight:700}.badge.ok{color:var(--ok)}.badge.warn{color:var(--warn)}.badge.bad{color:var(--bad)}.sol{margin:12px 0 0}.sol div{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:6px 0;display:flex}.sol div:last-child{border-bottom:0}.sol dt{min-width:24px;font-size:24px}.sol dd{flex-wrap:wrap;align-items:center;gap:4px 6px;margin:0;font-size:22px;display:flex}.sol .eqsign,.sol .pm,.sol small{color:var(--mute)}.sol small{margin-left:6px;font-size:14px}.sol .expr{font-size:19px}.sol .var{font-size:21px}.meta,.note{color:var(--mute);margin:12px 0 0;font-size:14px}.n{white-space:nowrap;align-items:center;display:inline-flex}.fr{vertical-align:middle;flex-direction:column;align-items:center;font-size:.78em;line-height:1.05;display:inline-flex}.fr span:first-child{border-bottom:1px solid;padding:0 2px 1px}.fr span:last-child{padding:1px 2px 0}.steps{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px 24px;margin:0;padding:0;list-style:none;display:grid}.steps .op{margin-bottom:6px;font-size:14px}.steps .op b{margin-right:8px}.mxwrap{overflow-x:auto}.mx{border-collapse:collapse;border-left:1px solid var(--text);border-right:1px solid var(--text);font-size:15px}.mx td{text-align:center;min-width:34px;padding:2px 10px}.mx td.aug{border-left:1px dashed var(--mute)}.plot{border:1px solid var(--line);width:100%;max-width:420px;height:auto;margin:0 auto;display:block}.plot .g{stroke:var(--grid);stroke-width:1px}.plot .ax{stroke:var(--axis);stroke-width:1.2px}.plot text{fill:var(--mute);font:9px var(--font)}.plot 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