._lesson_wacw9_1{min-width:0}._intro_wacw9_4{max-width:76ch;color:var(--muted);line-height:1.9}._workbench_wacw9_9{border:1px solid var(--grid);background:var(--plot);border-radius:12px;margin:24px 0 32px;overflow:hidden}._toolbar_wacw9_16{border-bottom:1px solid var(--grid);background:var(--soft);flex-wrap:wrap;align-items:end;gap:16px;padding:18px 22px;display:flex}._toolbar_wacw9_16 label{color:var(--muted);gap:7px;font-size:13px;display:grid}._toolbar_wacw9_16 select,._toolbar_wacw9_16 input{background:var(--plot);color:var(--ink);border:1px solid var(--grid);border-radius:6px;min-height:42px;padding:9px 12px}._toolbar_wacw9_16 input{width:100px}._stage_wacw9_43{color:#e3e9e9;background:#111517;padding:24px 24px 18px}._row_wacw9_48{align-items:flex-end;gap:clamp(5px,1.1vw,12px);min-height:174px;padding:10px 0;display:flex}._card_wacw9_55{color:#eaf2f1;background:#29383b;border:2px solid #586568;border-radius:6px 6px 2px 2px;flex-direction:column;flex:1;justify-content:space-between;align-items:center;min-width:0;padding:8px 3px;transition:background .2s,border-color .2s,opacity .2s;display:flex}._card_wacw9_55 strong{font-size:clamp(17px,2.4vw,26px);font-weight:500}._card_wacw9_55 small{font:11px var(--font-mono);color:#c6d7d6}._card_wacw9_55[data-active=true]{background:#5c4729;border-color:#efbf72}._card_wacw9_55[data-settled=true]{background:#194d48;border-color:#79d0bc}._card_wacw9_55[data-discarded=true]{opacity:.27;border-style:dashed}._card_wacw9_55[data-found=true]{opacity:1;background:#194d48;border-color:#79d0bc}._positions_wacw9_97{gap:clamp(5px,1.1vw,12px);display:flex}._positions_wacw9_97 span{text-align:center;color:#a8bab9;flex:1;font-size:11px}._partitionGuide_wacw9_107{margin-top:34px}._partitionTrack_wacw9_110{display:grid;position:relative}._partitionCell_wacw9_114{text-align:center;color:#eaf2f1;border:1px solid #586568;min-width:0;padding:8px 1px;font-size:12px;position:relative}._partitionCell_wacw9_114[data-group=smaller]{background:#194d48;border-color:#79d0bc}._partitionCell_wacw9_114[data-group=larger]{background:#293f5b;border-color:#94b8e2}._partitionCell_wacw9_114[data-group=unchecked]{background:#303638;border-style:dashed}._partitionCell_wacw9_114[data-group=pivot]{background:#5c4729;border-color:#efbf72}._partitionCell_wacw9_114[data-group=outside]{opacity:.35}._partitionBoundary_wacw9_142{pointer-events:none;border-left:3px solid #fff;position:absolute;top:-8px;bottom:-8px}._scanPointer_wacw9_149{color:#fff;font-size:24px;line-height:1;position:absolute;top:-27px;left:50%;transform:translate(-50%)}._partitionKey_wacw9_158{color:#c1cdcc;margin:16px 0 0;font-size:12px;line-height:1.7}._partitionGroups_wacw9_164{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px;margin:15px 0;display:grid}._partitionGroups_wacw9_164>div{border-left:3px solid #586568;padding-left:9px}._partitionGroups_wacw9_164>div[data-group=smaller]{border-color:#79d0bc}._partitionGroups_wacw9_164>div[data-group=larger]{border-color:#94b8e2}._partitionGroups_wacw9_164>div[data-group=pivot]{border-color:#efbf72}._partitionGroups_wacw9_164 dt{color:#c1cdcc;font-size:12px;line-height:1.6}._partitionGroups_wacw9_164 dd{font:13px var(--font-mono);margin:4px 0 0}._legend_wacw9_192{color:#c1cdcc;flex-wrap:wrap;gap:15px;margin:20px 0 0;font-size:12px;display:flex}._legend_wacw9_192 span:before{content:"";background:#efbf72;border-radius:2px;width:9px;height:9px;margin-right:7px;display:inline-block}._legend_wacw9_192 span:nth-child(2):before{background:#79d0bc}._legend_wacw9_192 span:nth-child(3):before{background:#586568}._auxiliary_wacw9_215{border-top:1px solid #394447;margin-top:18px;padding-top:16px}._auxiliary_wacw9_215 p{color:#c1cdcc;margin-bottom:10px;font-size:13px}._auxiliary_wacw9_215 ._row_wacw9_48{justify-content:flex-start;min-height:80px}._auxiliary_wacw9_215 ._card_wacw9_55{flex:0 80px;height:70px}._caption_wacw9_233{min-height:108px;color:var(--ink);padding:20px 24px;line-height:1.85}._metrics_wacw9_239{color:var(--muted);flex-wrap:wrap;gap:22px;padding:0 24px 17px;font-size:13px;display:flex}._controls_wacw9_247{background:var(--soft);border-top:1px solid var(--grid);flex-wrap:wrap;align-items:center;gap:8px;padding:16px 24px;display:flex}._controls_wacw9_247 button,._choice_wacw9_257 button{border:1px solid var(--grid);color:var(--ink);background:var(--plot);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;gap:6px;min-height:42px;padding:9px 12px;display:inline-flex}._controls_wacw9_247 button:disabled{opacity:.4;cursor:default}._controls_wacw9_247 button:hover:not(:disabled),._choice_wacw9_257 button:hover{border-color:var(--accent)}._controls_wacw9_247 output{font:12px var(--font-mono);color:var(--muted);margin-left:auto}._stepRange_wacw9_283{white-space:nowrap;background:var(--soft);color:var(--muted);align-items:center;gap:12px;padding:0 24px 16px;font-size:12px;display:flex}._stepRange_wacw9_283 input{width:100%;accent-color:var(--accent)}._table_wacw9_297{border:1px solid var(--grid);border-radius:8px;margin:20px 0;overflow-x:auto}._table_wacw9_297 table{border-collapse:collapse;text-align:left;width:100%;font-size:14px}._table_wacw9_297 th,._table_wacw9_297 td{border-bottom:1px solid var(--grid);padding:14px 18px;line-height:1.65}._table_wacw9_297 th{background:var(--soft);font-weight:500}._reasoning_wacw9_319{background:var(--soft);border-left:3px solid var(--accent);margin:20px 0;padding:20px 24px;line-height:1.85}._reasoning_wacw9_319 p+p{margin-top:14px}._practice_wacw9_329{border:1px solid var(--grid);border-radius:8px;margin:18px 0;padding:18px 22px;line-height:1.85}._practice_wacw9_329 summary{cursor:pointer;color:var(--accent);margin-top:12px}._practice_wacw9_329 details p{margin-top:12px}._choice_wacw9_257{flex-wrap:wrap;gap:12px;margin:16px 0;display:flex}._choice_wacw9_257 button[aria-pressed=true]{border-color:var(--accent);background:var(--soft)}._warning_wacw9_354{color:var(--ink);border-left:3px solid var(--gold);background:var(--soft);padding:18px 22px;line-height:1.8}@media (max-width:600px){._toolbar_wacw9_16,._stage_wacw9_43,._caption_wacw9_233,._controls_wacw9_247{padding-left:13px;padding-right:13px}._row_wacw9_48{gap:5px}._card_wacw9_55{padding:7px 1px}._card_wacw9_55 small{font-size:10px}._controls_wacw9_247 output{width:100%;margin:3px 0 0}._table_wacw9_297 th,._table_wacw9_297 td{padding:10px}}@media (prefers-reduced-motion:reduce){._card_wacw9_55{transition:none}}._row_wacw9_48[data-main-row]{position:relative}._row_wacw9_48[data-main-row]>._card_wacw9_55{transition:left .45s,background .2s,border-color .2s;position:absolute;bottom:10px}@media (prefers-reduced-motion:reduce){._row_wacw9_48[data-main-row]>._card_wacw9_55{transition:none}}