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(max-width: 640px){._intro_guces_1{padding:var(--space-lg) 0 var(--space-md)}._learning_guces_9 summary span{flex-basis:100%;padding-left:1em;line-height:1.3}._lead_guces_3{font-size:var(--type-control)}._resume_guces_16{grid-template-columns:1fr}._search_guces_24{gap:8px;padding-left:12px}._search_guces_24 kbd{display:none}._library_guces_23{padding-top:var(--space-md)}._filtersToggle_guces_34{display:inline-flex}._filters_guces_34[data-open=false]{display:none}._filters_guces_34{gap:12px;padding:12px 0}._filters_guces_34 label{flex:1 1 140px;min-width:0}._filters_guces_34 select{min-width:0;width:100%;padding-right:16px}._chips_guces_44{padding-top:10px}._results_guces_51 li{grid-template-columns:minmax(0,1fr) auto var(--target-min);padding:8px 0;gap:8px}._number_guces_54{display:none}._problemLink_guces_55 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reduce){._stateTransition_po8cq_37{transition:none}}._pushRight_po8cq_45{margin-left:auto}._clickable_po8cq_46{cursor:pointer}._barColumn_po8cq_49{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;height:100%}._inputNarrow_po8cq_58{width:100px}._inputFull_po8cq_59{width:100%}._stack_1va5s_8{display:flex;flex-direction:column;gap:10px}._stackTight_1va5s_14{display:flex;flex-direction:column;gap:4px}._row_1va5s_20{display:flex;align-items:center;gap:6px}._rowTight_1va5s_26{display:flex;align-items:center;gap:4px}._wrapRow_1va5s_32{display:flex;flex-wrap:wrap;gap:6px;align-items:center}._label_1va5s_39{display:flex;align-items:center;gap:6px;font-size:.76rem;color:var(--text-secondary)}._microLabel_1va5s_47{font-size:.68rem;color:var(--text-muted)}._ordinal_1va5s_52{font-size:.68rem;color:var(--text-muted);width:14px}._arrow_1va5s_58{color:var(--text-muted)}._numberInput_1va5s_60{width:48px}._countInput_1va5s_61{width:64px}._iconButton_1va5s_63{border:none;background:transparent;color:var(--text-muted);cursor:pointer;display:flex}._tinyButton_1va5s_71{padding:2px 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var(--border-default);background:var(--bg-elevated);color:var(--text-muted)}._gridCellSet_1va5s_123{border-color:var(--bench-ink-secondary);background:var(--bench-fill);color:var(--bench-ink-secondary)}._gridControls_1va5s_129{display:flex;gap:10px}._chip_1va5s_136{display:flex;align-items:center;gap:4px;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-sm);padding:2px 2px 2px 8px}._chipNullToggle_1va5s_146{border:none;background:transparent;cursor:pointer;color:var(--bench-ink-secondary);font-family:var(--font-code);font-size:.7rem;font-weight:700;padding:2px 4px}._chipNullToggleEmpty_1va5s_157{color:var(--text-muted)}._chipInput_1va5s_159{width:52px;border:none;background:transparent;color:var(--text-primary);font-family:var(--font-code);font-size:.78rem;outline:none;padding:4px 0}._chipRemove_1va5s_170{border:none;background:transparent;cursor:pointer;color:var(--text-muted);display:flex;padding:4px}._chipRemoveDisabled_1va5s_179{cursor:not-allowed;opacity:.35}._panel_19kwy_1{display:flex;flex-direction:column;gap:18px;height:auto;overflow:visible}._emptyState_19kwy_9{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:.8rem;padding:16px;text-align:center}._actionBar_19kwy_20{display:flex;flex-wrap:wrap;align-items:center;gap:10px;flex-shrink:0}._fieldsContainer_19kwy_28{flex:1;overflow:visible;display:flex;flex-direction:column;gap:18px;padding-right:2px}._fieldLabelRow_19kwy_37{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:4px}._fieldLabel_19kwy_37{font-size:var(--type-control);font-weight:650;color:var(--ink-strong);text-transform:none;letter-spacing:0}._fieldHelp_19kwy_52{font-size:var(--type-meta);color:var(--ink-secondary);margin:0 0 8px}._fieldError_19kwy_58{font-size:var(--type-meta);color:var(--ink-strong);border-left:3px solid var(--probe);padding-left:8px;margin:4px 0 0}._saveForm_19kwy_68{display:flex;flex-wrap:wrap;gap:6px;align-items:center;flex-shrink:0;min-width:0}._saveForm_19kwy_68 .ip-input{flex:1 1 180px;min-width:0;max-width:100%}._presetList_19kwy_79{display:flex;flex-wrap:wrap;gap:6px;flex-shrink:0;padding:0;margin:0;list-style:none}._presetItem_19kwy_89{display:flex;align-items:stretch;min-width:0;max-width:100%;border:1px solid var(--control-border);border-radius:var(--radius-control);background:var(--bench-fill);overflow:hidden}._presetLoad_19kwy_100{min-width:var(--target-min);min-height:var(--target-min);flex:1 1 auto;border:none;background:transparent;color:var(--ink-strong);font-size:var(--type-control);padding:0 12px;cursor:pointer;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._presetLoad_19kwy_100:hover,._presetLoad_19kwy_100:focus-visible{color:var(--bench-ink)}._presetRemove_19kwy_121{min-width:var(--target-min);min-height:var(--target-min);flex-shrink:0;border:none;border-left:1px solid var(--control-border);background:transparent;color:var(--ink-secondary);padding:0 10px;cursor:pointer;display:flex;align-items:center;justify-content:center}._presetRemove_19kwy_121:hover,._presetRemove_19kwy_121:focus-visible{color:var(--ink-strong)}._panel_19kwy_1 ._presetItem_19kwy_89 :is(._presetLoad_19kwy_100,._presetRemove_19kwy_121):focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring);outline-offset:calc(-1 * (var(--focus-ring-width) + 1px))}._errorSummary_19kwy_148{border:1px solid var(--bench-rule-strong);border-left:3px solid var(--probe);background:var(--probe-wash);border-radius:var(--radius-sm);padding:10px 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auto;max-height:160px}}.dp-stage{display:flex;flex-direction:column;gap:var(--space-sm);width:100%;height:100%;min-height:0}.dp-recurrence{flex-shrink:0;padding:var(--space-sm) var(--space-md);border:1px solid var(--bench-rule);border-radius:var(--radius-sm);background:var(--bench-panel);font-family:var(--font-code);font-variant-numeric:tabular-nums}.dp-recurrence-formula{font-size:var(--text-sm);color:var(--bench-ink-secondary)}.dp-recurrence-substitution{margin-top:var(--space-xs);font-size:var(--text-sm);font-weight:650;color:var(--probe)}.dp-table-wrap{position:relative;align-self:stretch;width:100%;overflow:auto}.dp-arrows{position:absolute;top:0;left:0;pointer-events:none;overflow:visible}.dp-arrow{stroke-width:1.5;opacity:.8}.dp-table{width:max-content;min-width:100%;border-collapse:separate;border-spacing:var(--space-xs);color:var(--bench-ink);font-family:var(--font-code);font-size:var(--text-sm);font-variant-numeric:tabular-nums}.dp-corner,.dp-col-label,.dp-row-label{color:var(--bench-ink-dim);font-size:var(--text-2xs);font-weight:600;letter-spacing:var(--tracking-label)}.dp-col-label{padding:0 var(--space-sm) var(--space-xs)}.dp-row-label{max-width:9rem;padding-right:var(--space-sm);text-align:right;white-space:nowrap}.dp-cell{position:relative;min-width:3.5rem;height:2.75rem;padding:var(--space-xs) var(--space-sm);border:1px solid var(--bench-rule-strong);border-radius:var(--radius-xs);background:transparent;color:var(--bench-ink-dim);text-align:center;transition:background var(--motion-fast) var(--ease-standard),border-color var(--motion-fast) var(--ease-standard),color var(--motion-fast) var(--ease-standard),transform var(--motion-fast) var(--ease-standard)}.dp-glyph{position:absolute;top:2px;left:4px;color:currentColor;font-size:var(--text-2xs);line-height:1}.dp-value{font-weight:650}.dp-cell-probe{border-color:var(--probe);background:var(--probe);color:var(--probe-on);font-weight:700}.dp-cell-read{border:2px solid var(--probe);background:transparent;color:var(--probe)}.dp-cell-known{border-color:var(--bench-rule-strong);background:var(--bench-fill);color:var(--bench-ink-secondary)}.dp-cell-resolved{border-color:var(--settled);background:var(--settled);color:var(--settled-on);font-weight:700}.dp-cell-void{border-style:dashed;background:transparent;color:var(--bench-ink-dim)}.dp-empty,.canvas-empty{color:var(--bench-ink-dim);font-family:var(--font-code);font-size:var(--text-sm)}@media (prefers-reduced-motion: reduce){.dp-cell{transition:none}}.cs-wrap{display:grid;gap:var(--space-xs);min-width:0}.cs-head{display:flex;align-items:baseline;gap:var(--space-md)}.cs-label,.cs-mode{font-family:var(--font-code);font-size:var(--text-2xs);letter-spacing:var(--tracking-label);text-transform:uppercase;color:var(--bench-ink-dim)}.cs-mode{margin-left:auto;color:var(--probe)}.cs-grid{display:grid;grid-template-columns:2.6rem 1fr;gap:var(--space-xs);align-items:start;min-width:0;overflow-x:auto}.cs-rows{display:grid;gap:3px}.cs-row-label{height:1.3rem;display:grid;align-items:center;font-family:var(--font-code);font-size:var(--text-2xs);color:var(--bench-ink-dim)}.cs-cols{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:3px;min-width:0}.cs-col{display:grid;gap:3px;position:relative;background:none;border:0;padding:0;cursor:pointer;font:inherit}.cs-col-now:before{content:"";position:absolute;top:-4px;right:-3px;bottom:-4px;left:-3px;border:1px solid var(--probe);border-radius:var(--radius-xs);pointer-events:none}.cs-col:focus-visible{outline:2px solid var(--probe);outline-offset:3px}.cs-cell{height:1.3rem;border:1px solid var(--bench-rule);border-radius:2px;display:grid;place-items:center;gap:2px;grid-auto-flow:column;font-family:var(--font-code);font-size:var(--text-2xs);color:var(--bench-ink-dim);background:transparent;transition:background var(--motion-fast) var(--ease-standard)}.cs-glyph{font-style:normal}.cs-void{border-style:dashed;opacity:.65}.cs-known{background:var(--bench-fill);border-color:var(--bench-rule-strong);color:var(--bench-ink-secondary)}.cs-probe{background:var(--probe);border-color:var(--probe);color:var(--probe-on);font-weight:700}.cs-settled{background:var(--settled);border-color:var(--settled);color:var(--settled-on);font-weight:700}.cs-tick{text-align:center;font-family:var(--font-code);font-size:var(--text-2xs);color:var(--bench-ink-dim);border-top:1px solid var(--bench-rule);padding-top:3px;margin-top:3px}.cs-col-now .cs-tick{color:var(--probe)}.cs-band{border:1px solid var(--bench-rule);border-radius:var(--radius-xs);background:var(--bench-recessed);cursor:pointer;min-width:0}.cs-band:focus-visible{outline:2px solid var(--probe);outline-offset:2px}.cs-canvas{display:block;width:100%;height:auto}