:root{--paper:#fbfaf5;--panel:#fff;--panel-2:#f3f1ea;--ink:#1d2733;--muted:#5d6673;--line:#d8d4c7;--accent:#1d4ed8;--accent-ink:#fff;--accent-soft:#e3ebfd;--go:#15803d;--danger:#b91c1c;--shadow:0 6px 24px #1d273324, 0 1px 3px #1d27331f;--radius:14px;--target:52px;color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px}:root[data-theme=dark]{--paper:#12181f;--panel:#1c242e;--panel-2:#26303c;--ink:#e9e6dc;--muted:#a3afbd;--line:#354150;--accent:#7fb2ff;--accent-ink:#0c1420;--accent-soft:#24364f;--go:#4ade80;--danger:#f87171;--shadow:0 6px 24px #00000080, 0 1px 3px #0006}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--paper);overscroll-behavior:none;-webkit-user-select:none;user-select:none;overflow:hidden}button,input,select{font:inherit;color:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{cursor:not-allowed;opacity:.4}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}h1,h2,h3,p{margin:0}.app{position:fixed;inset:0}.board{position:absolute;inset:0}.board canvas{touch-action:none;cursor:crosshair;width:100%;height:100%;display:block}.board.tool-select canvas{cursor:default}.board.tool-pan canvas{cursor:grab}.board.tool-text canvas{cursor:text}.board-text-input{background:var(--panel);border:2px solid var(--accent);min-width:220px;height:48px;box-shadow:var(--shadow);-webkit-user-select:text;user-select:text;border-radius:10px;padding:0 12px;font-size:20px;position:absolute;transform:translateY(-4px)}.top-bar{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);align-items:center;gap:10px;padding:6px 8px;display:flex;position:absolute;top:12px;left:12px;right:12px}.segmented{background:var(--panel-2);border-radius:10px;flex:none;padding:3px;display:flex}.segmented button{background:0 0;border:0;border-radius:8px;min-height:44px;padding:0 14px;font-weight:600}.name-input{-webkit-user-select:text;user-select:text;text-overflow:ellipsis;background:0 0;border:1px solid #0000;border-radius:10px;flex:120px;min-width:60px;height:44px;padding:0 12px;font-weight:600}.name-input:hover,.name-input:focus{border-color:var(--line);background:var(--panel-2)}.top-actions{flex:none;align-items:center;gap:2px;display:flex}.divider{background:var(--line);align-self:stretch;width:1px;margin:6px}.icon-button,.text-button{background:0 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0;font-size:11.5px;font-weight:600;display:flex}.tool-palette>button:hover{background:var(--panel-2)}.tool-palette>button.is-active{background:var(--accent);color:var(--accent-ink)}.tool-palette .divider{align-self:auto;width:auto;height:1px;margin:4px 6px}.tool-palette .palette-caption{letter-spacing:.06em;text-transform:uppercase;width:100%;color:var(--muted);text-align:center;border-top:1px solid var(--line);margin-top:4px;padding:6px 4px 2px;font-size:11px;font-weight:700}.legend{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);width:304px;max-height:34%;box-shadow:var(--shadow);z-index:2;flex-direction:column;display:flex;position:absolute;bottom:12px;right:12px}.legend.is-closed{width:auto}.legend-head{background:0 0;border:0;justify-content:space-between;align-items:center;gap:12px;min-height:44px;padding:0 12px;font-size:15px;display:flex}.legend ul{flex-direction:column;gap:6px;margin:0;padding:0 12px 12px;font-size:14.5px;line-height:1.4;list-style:none;display:flex;overflow-y:auto}.legend li{border-left:3px solid var(--line);padding-left:12px}.legend li.ok{border-left-color:var(--go)}.legend li.warn{border-left-color:#d97706}.legend li.bad{border-left-color:var(--danger);font-weight:600}.app.with-panel .inspector{bottom:calc(34% + 24px)}.tool-palette>button.module-tool{color:var(--accent)}.tool-palette>button.module-tool.is-active{color:var(--accent-ink)}.status{border-radius:10px;padding:10px 12px;font-weight:600;line-height:1.4}.status.ok{background:color-mix(in srgb, var(--go) 16%, transparent)}.status.bad{background:color-mix(in srgb, var(--danger) 18%, transparent)}.status.info{background:var(--panel-2)}.zoom-row{gap:2px;display:flex}.zoom-row button{background:0 0;border:0;border-radius:10px;flex:1;place-items:center;height:44px;display:grid}.zoom-row button:hover{background:var(--panel-2)}.inspector{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);width:304px;box-shadow:var(--shadow);flex-direction:column;gap:12px;padding:14px;display:flex;position:absolute;top:84px;bottom:12px;right:12px;overflow-y:auto}.inspector h2{font-size:17px}.inspector h2:not(:first-child){border-top:1px solid var(--line);margin-top:6px;padding-top:14px}.inspector-head{justify-content:space-between;align-items:center;display:flex}.inspector-head h2{border:0!important;margin:0!important;padding:0!important}.field{flex-direction:column;gap:6px;display:flex}.field-label{color:var(--muted);font-size:14px;font-weight:600}.hint{color:var(--muted);font-size:13.5px;line-height:1.4}.number-field{border:1px solid var(--line);background:var(--panel-2);border-radius:10px;align-items:stretch;height:48px;display:flex;overflow:hidden}.number-field>button{background:0 0;border:0;flex:none;place-items:center;width:46px;display:grid}.number-field>button:hover:not(:disabled){background:var(--accent-soft)}.number-field input{background:var(--panel);text-align:right;font-variant-numeric:tabular-nums;-webkit-user-select:text;user-select:text;border:0;flex:1;min-width:0;padding:0 8px;font-size:18px;font-weight:600}.number-field .unit{background:var(--panel);color:var(--muted);white-space:nowrap;align-items:center;padding:0 8px 0 2px;font-weight:600;display:flex}.number-field .unit select{background:0 0;border:0;height:100%;padding:0 2px;font-weight:600}.text-input,.select{border:1px solid var(--line);background:var(--panel);-webkit-user-select:text;user-select:text;border-radius:10px;width:100%;height:48px;padding:0 10px}.chips{flex-wrap:wrap;gap:6px;display:flex}.chips button{border:1px solid var(--line);background:var(--panel);border-radius:999px;min-height:44px;padding:0 14px;font-weight:600}.chips button.is-active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.toggle{cursor:pointer;align-items:center;gap:12px;min-height:44px;font-weight:600;display:flex}.toggle.is-disabled{opacity:.45}.toggle input{opacity:0;pointer-events:none;position:absolute}.toggle-track{background:var(--line);border-radius:999px;flex:none;width:50px;height:30px;transition:background .15s;position:relative}.toggle-track:after{content:"";background:#fff;border-radius:50%;width:24px;height:24px;transition:transform .15s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #0000004d}.toggle input:checked+.toggle-track{background:var(--go)}.toggle input:focus-visible+.toggle-track{outline:3px solid var(--accent);outline-offset:2px}details{border-top:1px solid var(--line);padding-top:6px}details>summary{min-height:44px;color:var(--accent);cursor:pointer;align-items:center;font-weight:600;display:flex}details[open]{flex-direction:column;gap:12px;display:flex}.button{border:1px solid var(--line);background:var(--panel);border-radius:10px;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:0 16px;font-weight:600;display:inline-flex}.button:hover{background:var(--panel-2)}.button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.button.danger{background:var(--danger);border-color:var(--danger);color:#fff}.readout{background:var(--panel-2);border-radius:10px;flex-direction:column;gap:6px;padding:10px 12px;display:flex}.readout h3{color:var(--muted);font-size:13.5px}.readout table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%}.readout td,.readout th{text-align:right;padding:3px 0;font-size:15px}.readout th{color:var(--muted);font-size:12.5px;font-weight:600}.readout td:first-child{text-align:left;color:var(--muted)}.readout td:not(:first-child){font-weight:700}.sim-bar{background:var(--panel);border:1px solid var(--line);max-width:calc(100% - 24px);box-shadow:var(--shadow);border-radius:18px;align-items:center;gap:6px;padding:8px;display:flex;position:absolute;bottom:14px;left:50%;overflow-x:auto;transform:translate(-50%)}.app.with-panel .sim-bar{left:calc(50% - 110px)}.sim-button{white-space:nowrap;background:0 0;border:0;border-radius:12px;flex:none;align-items:center;gap:8px;height:56px;padding:0 16px;font-weight:700;display:inline-flex}.sim-button:hover:not(:disabled){background:var(--panel-2)}.sim-button.is-active{background:var(--accent-soft);color:var(--accent)}.sim-button.primary{background:var(--go);color:#fff;justify-content:center;min-width:168px;padding:0 26px;font-size:18px}.sim-speed{background:var(--panel-2);border-radius:10px;flex:none;padding:3px;display:flex}.sim-speed button{font-variant-numeric:tabular-nums;background:0 0;border:0;border-radius:8px;min-width:50px;height:44px;font-weight:600}.sim-speed button.is-active{background:var(--panel);color:var(--accent);box-shadow:0 1px 3px #0000002e}.sim-time{text-align:center;font-variant-numeric:tabular-nums;white-space:nowrap;flex:none;min-width:104px;padding:0 8px;font-size:18px;font-weight:700}.graph-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);width:min(460px,100% - 124px);box-shadow:var(--shadow);flex-direction:column;gap:10px;padding:12px;display:flex;position:absolute;bottom:96px;left:100px}.graph-head{justify-content:space-between;align-items:center;display:flex}.graph-body{height:200px;position:relative}.graph-body canvas{width:100%;height:100%;display:block}.graph-empty{text-align:center;color:var(--muted);place-items:center;padding:16px;display:grid;position:absolute;inset:0}.chip-card{background:var(--panel);border:2px solid var(--accent);border-radius:var(--radius);width:max-content;max-width:360px;box-shadow:var(--shadow);flex-direction:column;gap:10px;padding:12px;display:flex;position:absolute;transform:translate(-50%)}.chip-title{align-items:flex-start;gap:8px;font-weight:600;line-height:1.35;display:flex}.chip-title span{flex:1}.chip-actions{flex-wrap:wrap;gap:8px;display:flex}.notice{background:var(--ink);max-width:min(560px,100% - 220px);color:var(--paper);box-shadow:var(--shadow);border-radius:12px;align-items:center;gap:10px;padding:10px 10px 10px 16px;font-weight:600;line-height:1.4;display:flex;position:absolute;top:84px;left:50%;transform:translate(-50%)}.notice.error{background:var(--danger);color:#fff}.notice.success{background:var(--go);color:#fff}:root[data-theme=dark] .notice.success,:root[data-theme=dark] .notice.error{color:#0c1420}.empty-state{text-align:center;pointer-events:none;width:min(460px,100% - 220px);color:var(--muted);flex-direction:column;align-items:center;gap:12px;display:flex;position:absolute;top:46%;left:50%;transform:translate(-50%,-50%)}.empty-state h1{color:var(--ink);font-size:28px}.empty-state p{font-size:17px;line-height:1.5}.empty-state .button{pointer-events:auto;margin-top:6px}.dialog-backdrop{z-index:10;background:#0f141b80;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.dialog{background:var(--panel);width:min(860px,100%);max-height:100%;box-shadow:var(--shadow);border-radius:18px;flex-direction:column;gap:14px;padding:20px;display:flex;overflow-y:auto}.dialog-head{justify-content:space-between;align-items:center;display:flex}.dialog h3{color:var(--muted);margin-top:6px;font-size:15px}.dialog.small{width:min(440px,100%)}.dialog.small p{color:var(--muted);line-height:1.5}.dialog-actions.stacked{flex-direction:column}.dialog-actions.stacked .button{width:100%;min-height:52px}.dialog-section{border-top:1px solid var(--line);margin-top:10px;padding-top:16px;font-size:18px}.dialog{width:min(860px,100%)}.dialog .segmented{align-self:flex-start}.example-group{flex-direction:column;gap:10px;margin-top:6px;display:flex}.example-group h3{color:var(--ink);margin-top:0;font-size:16px}.example-group .grades{background:var(--panel-2);color:var(--muted);white-space:nowrap;border-radius:999px;margin-left:8px;padding:2px 8px;font-size:12.5px;font-weight:600}.example-grid{grid-template-columns:repeat(auto-fill,minmax(176px,1fr));gap:10px;display:grid}.example-card{border:1px solid var(--line);background:var(--panel);text-align:left;border-radius:12px;flex-direction:column;gap:8px;padding:8px 8px 10px;font-weight:600;line-height:1.3;display:flex}.example-card:hover{border-color:var(--accent);background:var(--accent-soft)}.example-card img,.example-card .example-blank{aspect-ratio:8/5;background:var(--paper);border-radius:8px;width:100%;display:block}.tool-palette.two-col{flex-flow:wrap;align-content:flex-start;width:148px}.tool-palette.two-col>button{width:calc(50% - 1px)}.tool-palette.two-col .divider,.tool-palette.two-col .zoom-row{width:100%}.dialog-actions{flex-wrap:wrap;gap:8px;display:flex}.library-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.library-list li{border:1px solid var(--line);border-radius:12px;align-items:center;gap:8px;padding:10px 12px;display:flex}.library-list li>div{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}@media (width<=1100px){.text-button span,.sim-button:not(.primary) span,.segmented button:disabled{display:none}.sim-button.primary{min-width:0}}@media (width<=760px){.inspector{width:auto;max-height:46%;top:auto;left:12px;right:12px;bottom:92px!important}.legend{display:none}.app.with-panel .sim-bar{left:50%}.tool-palette{width:60px}.tool-palette>button span{display:none}.tool-palette>button{min-height:48px}.zoom-row{flex-direction:column}.top-actions .divider,.icon-button.lang{display:none}.empty-state,.notice{width:calc(100% - 110px);max-width:none;left:calc(50% + 38px)}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}.slider{width:100%;height:44px;accent-color:var(--accent);touch-action:pan-y;margin:-4px 0 0}:root{--glass:#ffffffc7;--glass-edge:#ffffffb3;--reset:#f59e0b;--spring:cubic-bezier(.22, 1, .36, 1);letter-spacing:0}:root[data-theme=dark]{--glass:#1c242ec2;--glass-edge:#ffffff1f}.app[data-module=optics]{--accent:#be123c;--accent-soft:#ffe4ea}.app[data-module=circuits]{--accent:#b45309;--accent-soft:#fdf0d5}.app[data-module=thermal]{--accent:#c2410c;--accent-soft:#ffe8dc}:root[data-theme=dark] .app[data-module=optics]{--accent:#fb7185;--accent-soft:#4a1d2a}:root[data-theme=dark] .app[data-module=circuits]{--accent:#fbbf24;--accent-soft:#46340f}:root[data-theme=dark] .app[data-module=thermal]{--accent:#fb923c;--accent-soft:#4a2a17}.top-bar,.tool-palette,.inspector,.sim-bar,.legend,.graph-panel,.chip-card{background:var(--glass);-webkit-backdrop-filter:blur(22px)saturate(170%);backdrop-filter:blur(22px)saturate(170%);border:1px solid var(--line);box-shadow:inset 0 1px 0 var(--glass-edge), var(--shadow);border-radius:20px}.dialog{border-radius:24px}.chip-card{border:2px solid var(--accent)}button{transition:transform .11s ease-out,background-color .14s ease-out,filter .14s ease-out}button:active:not(:disabled){transform:scale(.95)}.example-card:active:not(:disabled){transform:scale(.98)}h1,h2{letter-spacing:-.015em}.inspector h2,.dialog h2{font-size:18px;font-weight:700}.inspector{gap:14px;padding:16px}.field-label{color:var(--ink);opacity:.72}.segmented{border-radius:14px;padding:4px}.segmented button{border-radius:10px}.segmented button.is-active{background:var(--accent);color:var(--accent-ink);box-shadow:0 1px 4px #0003}.chips button{border-width:2px}.number-field{border-radius:14px;height:50px}.toggle-track{width:54px;height:32px}.toggle-track:after{width:26px;height:26px;transition:transform .28s var(--spring)}.toggle input:checked+.toggle-track:after{transform:translate(22px)}.tool-palette>button{border-radius:14px}.tool-palette>button.is-active{background:var(--accent);box-shadow:0 2px 8px color-mix(in srgb, var(--accent) 40%, transparent)}.sim-bar{border-radius:999px;gap:12px;padding:10px 16px}.sim-button.primary,.sim-button.reset,.sim-button.step{color:#fff;border-radius:50%;justify-content:center;width:52px;min-width:0;height:52px;padding:0;box-shadow:inset 0 -3px #0000002e,0 2px 6px #0003}.sim-button.primary{background:#16a34a;width:68px;height:68px}.sim-button.primary.is-running{background:#0f766e}.sim-button.primary:hover{filter:brightness(1.08);background:#16a34a}.sim-button.reset{background:var(--reset)}.sim-button.step{background:#2563eb}.sim-button.reset:hover:not(:disabled),.sim-button.step:hover:not(:disabled){filter:brightness(1.08);background-color:inherit}.sim-button.reset:hover:not(:disabled){background:var(--reset)}.sim-button.step:hover:not(:disabled){background:#2563eb}.sim-button.primary span,.sim-button.reset span,.sim-button.step span{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}:root[data-theme=dark] .sim-button.primary{color:#fff}.sim-time{font-size:20px}.slider{height:36px}.slider::-webkit-slider-thumb{width:28px;height:28px}.legend li{border-left-width:4px;border-radius:2px}.example-card{border-width:2px;border-radius:16px}.example-card img{border-radius:10px}.notice{border-radius:16px}@keyframes materialise{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes materialise-centred{0%{opacity:0;transform:translate(-50%)scale(.96)}to{opacity:1;transform:translate(-50%)scale(1)}}.dialog,.inspector,.legend,.graph-panel{animation:materialise .22s var(--spring)}.chip-card,.notice{animation:materialise-centred .2s var(--spring)}.dialog-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:.16s ease-out fade-in}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.dialog,.inspector,.legend,.graph-panel,.chip-card,.notice,.dialog-backdrop{animation:none}button:active:not(:disabled){transform:none}}@media (prefers-reduced-transparency:reduce){.top-bar,.tool-palette,.inspector,.sim-bar,.legend,.graph-panel,.chip-card{background:var(--panel);-webkit-backdrop-filter:none;backdrop-filter:none}}@media 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(width<=760px){.quick-controls{display:none}}.warning-bubble{color:#422006;width:270px;box-shadow:var(--shadow);pointer-events:none;z-index:2;background:#fef3c7;border:2px solid #f59e0b;border-radius:14px;padding:10px 12px;font-size:14px;font-weight:600;line-height:1.35;position:absolute}.warning-bubble .wear{background:#0000001f;border-radius:3px;height:6px;margin-top:8px;display:block;overflow:hidden}.warning-bubble .wear span{background:#dc2626;height:100%;display:block}.sketch-bar{z-index:6;pointer-events:none;flex-direction:column;align-items:center;gap:6px;display:flex;position:absolute;bottom:104px;left:50%;transform:translate(-50%)}.sketch-button{pointer-events:auto;border-radius:999px;min-height:48px;padding:0 22px;font-size:16px;font-weight:600;box-shadow:0 8px 24px #0000002e}.sketch-button:active{transform:scale(.97)}.sketch-hint{color:var(--muted,#666);background:var(--panel,#fffc);border-radius:999px;padding:2px 10px;font-size:13px}@media (prefers-reduced-motion:reduce){.sketch-button:active{transform:none}}.quick-grip{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;border-radius:10px;align-items:center;gap:8px;min-height:32px;margin:-6px -6px 2px;padding:0 6px;display:flex}.quick-grip:hover{background:#7f7f7f1f}.quick-grip:active{cursor:grabbing}.quick-controls .quick-name{flex:1;justify-content:flex-start;font-size:13px}.quick-controls .quick-dots{opacity:.55;background-image:radial-gradient(circle,currentColor 1.4px,#0000 1.6px);background-size:7px 6px;flex:none;width:14px;height:18px}.quick-controls.is-pinned{animation:none}.app[data-module=waves]{--accent:#0e7490;--accent-soft:#d9f2f7}.app[data-module=magnetism]{--accent:#6d28d9;--accent-soft:#ece4fb}:root[data-theme=dark] .app[data-module=waves]{--accent:#22d3ee;--accent-soft:#123840}:root[data-theme=dark] .app[data-module=magnetism]{--accent:#a78bfa;--accent-soft:#2e2350}.formula-panel{z-index:4;background:var(--glass,var(--panel));-webkit-backdrop-filter:blur(22px)saturate(170%);backdrop-filter:blur(22px)saturate(170%);border:1px solid var(--line);border-radius:var(--radius);width:320px;max-height:min(62%,560px);box-shadow:var(--shadow);flex-direction:column;display:flex;position:absolute}.formula-panel.is-closed{width:auto}.formula-head{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none;border-radius:var(--radius);align-items:center;gap:10px;min-height:44px;padding:0 12px;font-size:15px;display:flex}.formula-head:active{cursor:grabbing}.formula-head strong{white-space:nowrap;flex:1}.formula-fx{background:var(--accent);width:26px;height:26px;color:var(--accent-ink,#fff);border-radius:8px;place-items:center;font-family:Georgia,Times New Roman,serif;font-style:italic;font-weight:700;display:grid}.formula-body{flex-direction:column;gap:10px;padding:0 12px 12px;display:flex;overflow-y:auto}.formula-body article{background:var(--accent-soft,#7f7f7f1a);border-radius:12px;padding:8px 10px}.formula-body h4{color:var(--accent);letter-spacing:.01em;margin:0 0 4px;font-size:13px;font-weight:700}.formula-body p{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;margin:2px 0;font-family:Cambria Math,Cambria,Georgia,Times New Roman,serif;font-size:15px;line-height:1.4}.formula-body p.hint{font-family:inherit;font-size:14px}@media (prefers-reduced-transparency:reduce){.formula-panel{background:var(--panel);-webkit-backdrop-filter:none;backdrop-filter:none}}@media (prefers-contrast:more){.formula-panel{background:var(--panel);border:2px solid var(--ink);-webkit-backdrop-filter:none;backdrop-filter:none}}@media (width<=760px){.formula-panel{max-width:calc(100% - 24px)}}.formula-sheet{flex-direction:column;gap:10px;display:flex}.formula-sheet summary{cursor:pointer;min-height:40px;color:var(--ink);align-items:center;font-size:14px;font-weight:600;display:flex}.formula-sheet[open] summary{margin-bottom:8px}.formula-sheet article{border:1px solid var(--line);background:0 0;margin-bottom:8px}.legend li.guide{border-left-color:var(--accent);background:var(--accent-soft,transparent);border-radius:0 10px 10px 0;padding:6px 8px 6px 12px;font-weight:500}.app[data-module=electrostatics]{--accent:#0f766e;--accent-soft:#d6f1ed}:root[data-theme=dark] .app[data-module=electrostatics]{--accent:#2dd4bf;--accent-soft:#12403b}.graph-head{cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.graph-head:active{cursor:grabbing}@media (width<=900px),(height<=640px){.graph-panel{width:min(340px,100% - 24px);left:12px}.graph-panel canvas{max-height:140px}}