.math-mode-tabs{display:flex;justify-content:center;gap:3px;min-height:40px;height:40px;padding:0 8px;background:#f2f7f4;border-bottom:1px solid #d5e2d9}.math-mode-tabs a{display:flex;align-items:center;justify-content:center;min-height:40px;padding:0 22px;color:#466553;font-size:13px;font-weight:600;text-decoration:none;border-bottom:3px solid transparent;white-space:nowrap}.math-mode-tabs a:hover{background:#e5f0e9}.math-mode-tabs a[aria-current=page]{color:#087a65;border-color:#087a65}.math-mode-tabs a:focus-visible{outline:3px solid #087e68;outline-offset:-3px}.graph-page:has(.math-mode-tabs) .graph-workspace,.symbolic-workspace{height:calc(100dvh - 104px);min-height:480px}.graph3d-form{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin}.graph3d-equation{border-bottom:1px solid #dce5df;padding:6px 0;background:#fff}.graph3d-expression-row{display:grid;grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;gap:0;min-height:54px}.graph3d-row-number{font-size:11px;color:#637268;text-align:center;position:relative}.graph3d-expression{width:100%;min-width:0;min-height:48px;border:0;border-radius:3px;padding:6px 8px;color:#173c31;background:transparent;font:500 18px/1.6 'Cambria Math',Cambria,Georgia,serif}.graph3d-equation>.graph3d-expression{padding-left:18px}.graph3d-row-button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:0;background:transparent;border:0;border-radius:4px;color:#5f7666;font:500 19px/1 system-ui;cursor:pointer}.graph3d-row-button:hover:not(:disabled){background:#e9f4ed}.graph3d-row-button:disabled{opacity:.35;cursor:default}.graph3d-expression:focus-visible,.graph3d-row-button:focus-visible{outline:3px solid #087e68;outline-offset:-3px}.graph3d-error{display:block;margin:3px 10px 5px 52px;color:#a23124;font-size:12px;line-height:1.6}.graph3d-error:empty{display:none}.graph3d-row-actions{display:flex;justify-content:flex-end;padding-right:6px}.graph3d-slider{display:grid;grid-template-columns:20px minmax(0,1fr) 66px;gap:6px;align-items:center;padding:6px 12px;color:#315d44;font-size:13px}.graph3d-slider input{width:100%;min-width:0;min-height:44px;accent-color:#087e68}.graph3d-slider input:not([type=range]){border:1px solid #c6d8ca;border-radius:5px;padding:4px 6px;background:#fff;color:#234e38}.graph3d-slider output{font-variant-numeric:tabular-nums}.graph3d-draw{padding:12px}.graph3d-draw .primary{width:100%;min-height:44px;font-size:14px}.graph3d-form #graph3d-status{font-size:12px;line-height:1.65;color:#5e7164;padding:0 14px 12px;margin:0;overflow-wrap:anywhere}.advanced-panel-divider{grid-column:2;grid-row:1;background:#e3ebe6}.graph3d-workspace .graph-controls{grid-column:1}.graph3d-workspace .graph-plot-panel{grid-column:3}#graph3d-stage{position:relative;width:100%;height:100%;min-height:0;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,#fff,#f7faf8);touch-action:none}#graph3d-preview,#graph3d-canvas{display:block;width:100%;height:100%;position:absolute;inset:0}#graph3d-canvas[hidden],#graph3d-preview[hidden]{display:none!important}#graph3d-canvas:focus-visible{outline:3px solid #087e68;outline-offset:-3px}#graph3d-view-state{position:absolute;bottom:10px;right:12px;max-width:calc(100% - 24px);padding:4px 6px;background:#ffffffde;border-radius:4px;color:#52695a;font-size:11px;font-variant-numeric:tabular-nums;pointer-events:none}.graph3d-view-presets{display:flex;flex-wrap:wrap;gap:5px;grid-column:1/-1}.graph3d-workspace .graph-icon-button{font-size:22px}.graph3d-workspace .graph-list-footer{color:#5b6f62;font-size:12px}.graph3d-workspace .graph-list-footer>span{display:block}#graph3d-app[data-list-open=false] .graph-grid{grid-template-columns:0 0 minmax(0,1fr)}#graph3d-app[data-list-open=false] .graph-controls,#graph3d-app[data-list-open=false] .advanced-panel-divider{display:none}.symbolic-workspace{display:flex;flex-direction:column;border-bottom:1px solid #cbd8d2;background:#fff}.symbolic-badge{border:1px solid #bed7c9;border-radius:5px;color:#087a65;padding:4px 10px;font-size:12px;font-weight:700;letter-spacing:1px}.symbolic-grid{display:grid;grid-template-columns:350px minmax(0,1fr);flex:1;min-height:0}.symbolic-controls{padding:20px;background:#f7faf8;border-right:1px solid #d7e3da;overflow:auto;min-height:0;scrollbar-width:thin}.symbolic-controls label{display:block;color:#335c45;font-size:13px;font-weight:600;margin:13px 0 6px}.symbolic-controls label:first-child{margin-top:0}.symbolic-controls input,.symbolic-controls select,.symbolic-controls textarea{display:block;width:100%;min-width:0;min-height:44px;border:1px solid #c3d7c8;border-radius:6px;padding:9px 10px;background:#fff;color:#183d2c;font:400 15px/1.5 system-ui}.symbolic-controls textarea{font:500 21px/1.5 'Cambria Math',Cambria,Georgia,serif;resize:vertical}.symbolic-controls input:focus-visible,.symbolic-controls textarea:focus-visible,.symbolic-controls select:focus-visible{outline:3px solid #087e68;outline-offset:1px}.symbolic-actions{display:flex;align-items:center;gap:7px;margin-top:18px}.symbolic-actions .primary{flex:1;min-height:46px}.symbolic-actions .small-button{min-height:46px}.symbolic-controls p{font-size:12px;line-height:1.7;color:#59725f;margin:8px 0}.symbolic-examples{font-size:13px;color:#42634c;margin-top:18px}.symbolic-examples summary{min-height:44px;display:flex;align-items:center;font-weight:600}.symbolic-examples .small-button{display:inline-flex;margin:4px 3px 0 0;min-height:44px;font-family:'Cambria Math',Cambria,Georgia,serif}.symbolic-output{display:flex;flex-direction:column;justify-content:safe center;align-items:flex-start;gap:20px;padding:clamp(24px,5vw,68px);min-width:0;overflow:auto;background:radial-gradient(ellipse at 85% 20%,#edf7f1,transparent 62%)}.symbolic-result-heading{min-width:0}.symbolic-overline{font-size:12px;letter-spacing:.8px;text-transform:uppercase;color:#52705b;font-weight:650}.symbolic-result-heading h2{font-size:15px;line-height:1.7;font-weight:400;margin:8px 0 0;color:#52695a}.symbolic-output #symbolic-result{display:block;max-width:100%;font:500 clamp(24px,3.5vw,44px)/1.65 'Cambria Math',Cambria,Georgia,serif;letter-spacing:.3px;color:#173f2c;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;min-height:1.65em}.symbolic-result-actions{display:flex;flex-wrap:wrap;gap:7px}.symbolic-result-actions .small-button{min-height:44px;font-size:12px;padding:8px 11px}.symbolic-warning{font-size:13px;line-height:1.8;color:#775116;background:#fff8e9;padding:12px 15px;border:1px solid #ecd9b0;border-radius:7px;max-width:680px;overflow-wrap:anywhere;margin:0}.symbolic-note{color:#577260;max-width:650px;font-size:14px;line-height:1.9;border-top:1px solid #dae8dd;padding-top:18px}.advanced-math-page [hidden]{display:none!important}.graph-page.graph3d-expanded .header,.graph-page.graph3d-expanded .math-mode-tabs,.graph-page.graph3d-expanded .graph-reading{display:none}.graph-page.graph3d-expanded .graph3d-workspace{height:100dvh;min-height:0}
.graph-page.graph-expanded .math-mode-tabs{display:none}.symbolic-output #symbolic-result.symbolic-stale{color:#718177;opacity:.55}.graph3d-expression-row{grid-template-columns:22px 44px minmax(0,1fr) 44px 44px;min-height:60px}.graph3d-visibility{color:var(--graph3d-color,#087a65)}.graph3d-visibility[aria-pressed=false]{color:#829489}.graph3d-equation:focus-within{box-shadow:inset 3px 0 0 var(--graph3d-color,#087a65);background:#f8fbf9}
@media(max-width:1000px){.symbolic-grid{grid-template-columns:310px minmax(0,1fr)}}
@media(max-width:760px){.math-mode-tabs{justify-content:stretch;gap:0;padding:0 5px}.math-mode-tabs a{flex:1;padding:0 7px;font-size:12px}.graph-page:has(.math-mode-tabs) .graph-workspace,.symbolic-workspace{height:calc(100dvh - 98px);min-height:480px}.graph3d-workspace .graph-plot-panel{grid-column:1;grid-row:1}.graph3d-workspace .graph-controls{grid-column:1;grid-row:2}.advanced-panel-divider{display:none}.graph3d-workspace .graph-list-footer{display:none}.graph3d-draw{padding:7px 12px}.graph3d-form #graph3d-status{font-size:11px;padding-bottom:5px}.graph3d-view-presets .small-button{flex:1}.graph3d-workspace #graph3d-view-state{font-size:10px}#graph3d-app[data-list-open=false] .graph-grid{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr)}.symbolic-grid{grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(210px,1fr);overflow:auto}.symbolic-controls{overflow:visible;border-right:0;border-bottom:1px solid #d7e3da;padding:14px 18px}.symbolic-controls #symbolic-form{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:12px;align-items:start}.symbolic-controls #symbolic-form>label,.symbolic-controls #symbolic-form>select,.symbolic-controls #symbolic-form>textarea,.symbolic-controls #symbolic-form>div,.symbolic-controls #symbolic-form>p{grid-column:1/-1}.symbolic-controls label{margin-top:10px}.symbolic-controls textarea{font-size:20px;min-height:80px;height:80px;resize:vertical}.symbolic-controls #symbolic-variable{max-width:160px}.symbolic-examples{margin:8px 0 0}.symbolic-output{padding:24px 20px;gap:16px;overflow:visible}.symbolic-output #symbolic-result{font-size:30px}.symbolic-result-actions .small-button{flex:1;justify-content:center}.symbolic-note{font-size:13px}.symbolic-badge{padding:3px 7px}.symbolic-workspace{height:auto;min-height:calc(100dvh - 98px)}.symbolic-grid{flex:none}}