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.15s}.nav-btn-active{color:var(--accent);border-top:2px solid var(--accent)}.nav-btn-equal{background:var(--bg-key-green);color:#fff;font-size:22px;font-weight:700;flex:1.2}.katex{color:inherit}.history-list button.history-item{width:100%;border:none;cursor:pointer;font:inherit;text-align:right}.history-list button.history-item:active{filter:brightness(1.4)}.menu-note{font-size:11px;color:var(--text-dim);line-height:1.6;margin-bottom:8px}.gt-total{font-size:26px;color:var(--accent);text-align:right;font-variant-numeric:tabular-nums;padding:6px 8px;background:#151515;border-radius:6px;margin-bottom:6px}.program-list{list-style:none;display:flex;flex-direction:column;gap:6px}.program-item{display:grid;grid-template-columns:28px 1fr;grid-template-areas:"name body" "actions actions";gap:4px 6px;align-items:center;padding:6px 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8px;background:#151515;border-radius:6px}.fx-arity{grid-area:arity;display:flex;gap:4px}.fx-arity .menu-btn{padding:4px 6px;font-size:10px}.unit-panel{display:flex;flex-direction:column;gap:8px}.unit-categories{display:flex;flex-wrap:wrap;gap:4px}.unit-chip{background:var(--bg-key-default);color:var(--text);border:1px solid transparent;border-radius:12px;padding:4px 9px;font-size:11px;cursor:pointer}.unit-chip-active{border-color:var(--accent);color:var(--accent)}.unit-row{display:flex;gap:6px;align-items:stretch}.unit-input,.unit-output,.unit-select{background:#1c1c1c;border:1px solid #333;border-radius:5px;color:var(--text);padding:7px 8px;font-size:14px}.unit-input{flex:1;min-width:0}.unit-output{flex:1;min-width:0;color:var(--accent);overflow-x:auto;white-space:nowrap;font-variant-numeric:tabular-nums}.unit-select{width:110px;flex-shrink:0}.unit-arrow{text-align:center;color:var(--text-dim);font-size:13px}.const-panel{display:flex;flex-direction:column;gap:8px}.const-list{list-style:none;display:flex;flex-direction:column;gap:3px}.const-item{width:100%;display:grid;grid-template-columns:46px 1fr;grid-template-areas:"symbol label" "symbol value";gap:1px 8px;align-items:center;text-align:left;background:#151515;border:none;border-radius:5px;padding:6px 8px;color:var(--text);cursor:pointer}.const-item:active{filter:brightness(1.4)}.const-symbol{grid-area:symbol;font-size:14px;color:var(--accent)}.const-label{grid-area:label;font-size:11px;color:var(--text-dim)}.const-value{grid-area:value;font-size:12px;font-variant-numeric:tabular-nums}.const-unit{color:var(--text-dim)}.solve-panel{display:flex;flex-direction:column;gap:8px}.coef-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}.coef-field{display:flex;flex-direction:column;gap:2px;font-size:10px;color:var(--text-dim)}.coef-field input{background:#1c1c1c;border:1px solid #333;border-radius:4px;color:var(--text);padding:5px 6px;font-size:13px;width:100%;min-width:0}.root-list,.stat-list{list-style:none;display:flex;flex-direction:column;gap:3px}.root-list li,.stat-list li{display:flex;align-items:center;gap:8px;padding:5px 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6px;font-size:13px;width:100%}.graph-panel{display:flex;flex-direction:column;gap:8px}.graph-canvas{width:100%;height:auto;border:1px solid #222;border-radius:6px;background:var(--bg-display)}.graph-controls{display:flex;gap:4px}.graph-controls .menu-btn{padding:6px 4px;font-size:12px}.graph-list{list-style:none;display:flex;flex-direction:column;gap:3px}.graph-list li{display:flex;align-items:center;gap:6px;padding:5px 8px;background:#151515;border-radius:5px;font-size:12px}.graph-list li[data-visible=no]{opacity:.45}.graph-swatch{width:10px;height:10px;border-radius:2px;flex-shrink:0}.graph-formula{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-dim)}.graph-list .menu-btn{flex:0 0 auto;padding:3px 7px;font-size:10px}.alg-panel{display:flex;flex-direction:column;gap:8px}.alg-result{background:#151515;border-radius:6px;padding:10px 8px;min-height:48px}.alg-result-formula{font-size:17px;color:var(--accent);overflow-x:auto;white-space:nowrap}.matrix-panel{display:flex;flex-direction:column;gap:10px}.display-expr .mord.mtable{vertical-align:middle}