:root{font-family:Inter,Noto Sans JP,Yu Gothic UI,Meiryo,sans-serif;color:#273f36;background:#f7f8f5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-weight:400;font-size:13px;font-optical-sizing:auto}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button{border:0;background:none}button:disabled{opacity:.4;cursor:not-allowed}button:focus-visible,a:focus-visible{outline:2px solid #d7a658;outline-offset:3px}input:focus-visible{outline:2px solid #71a68f;outline-offset:2px}a{text-decoration:none;color:inherit}.app{display:grid;grid-template-columns:246px minmax(460px,1fr) 304px;grid-template-rows:64px minmax(0,1fr);min-height:100vh;height:100vh;overflow:hidden}.sidebar{grid-column:1;grid-row:1/-1;background:#193f36;color:#d9e5dc;display:flex;flex-direction:column;overflow:hidden;border-right:1px solid #163a31}.brand{padding:26px 20px 22px;display:flex;align-items:center;gap:10px}.brand-mark{color:#d2e3b3;width:36px;height:40px;display:grid;place-items:center}.brand strong{font-family:Yu Mincho,Hiragino Mincho ProN,serif;font-size:16px;color:#f2f3e9;letter-spacing:.035em;white-space:nowrap}.brand span{display:block;font-size:8px;letter-spacing:2.2px;margin-top:7px;color:#a3bbae}.library-label{font-size:8px;letter-spacing:1.6px;color:#81a092;margin:8px 23px 13px}.search-box{display:flex;align-items:center;margin:0 17px;padding:0 10px;height:36px;background:#2a4c42;border:1px solid #3e5c50;border-radius:6px;color:#91ada0;gap:7px}.search-box input{width:100%;min-width:0;background:none;border:0;outline:none;color:#e1eadd;font-size:11px}.search-box input::placeholder{color:#a0b5a9}.search-box kbd{display:flex;align-items:center;gap:2px;font-size:9px;white-space:nowrap;border:1px solid #4d695b;border-radius:3px;padding:2px 3px}.search-box button{padding:0;display:flex}.library-tabs{display:flex;align-items:center;border-bottom:1px solid #345448;margin:20px 18px 12px;gap:12px}.library-tabs button{display:flex;align-items:center;gap:7px;padding:0 0 12px;font-size:11px;color:#93aa9b;position:relative}.library-tabs button:first-child{flex:1}.library-tabs button.active{color:#e8eddf}.library-tabs button.active:after{content:"";position:absolute;bottom:-1px;background:#bace9b;height:2px;left:0;right:0}.library-tabs span{font-size:9px;background:#3c5948;color:#d0ddba;border-radius:4px;padding:2px 5px}.theme-tree{overflow:auto;flex:1;min-height:90px;padding:0 13px 15px;scrollbar-width:thin;scrollbar-color:#49695a transparent}.category{margin:2px 0}.category-button{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:12px 9px;font-size:12px;color:#c7d5c9}.category-button>svg:first-child{color:#95af9f}.category-button>span{flex:1}.category-button small{font-size:10px;color:#7e9c89;margin-right:3px}.category-button:hover{color:#fff}.category.current>.category-button{color:#e7ebd9}.category-items{position:relative;padding:2px 0 4px 20px;margin-left:15px}.category-items:before{content:"";width:1px;background:#45604e;position:absolute;top:8px;bottom:12px;left:0}.theme-button{position:relative;display:flex;align-items:center;gap:10px;width:100%;border-radius:5px;text-align:left;font-size:11px;padding:10px 8px 10px 9px;margin:2px 0;color:#acc4b4;white-space:nowrap}.theme-dot{width:4px;height:4px;background:#748e79;border-radius:50%}.theme-button.selected{background:#dce7c4;color:#294937;font-weight:600}.theme-button.selected .theme-dot{background:#4b7155}.selected-dot{width:5px;height:5px;border-radius:50%;background:#5d8051;margin-left:auto}.theme-button:not(.selected):hover{background:#2b4c40;color:#f5f5e9}.sidebar-bottom{padding:12px 18px 17px}.learn-card{padding:15px 14px;border:1px solid #4b6350;border-radius:8px;background:linear-gradient(125deg,#355443,#2a493c)}.learn-card>div{display:flex;align-items:center;gap:8px;color:#dce5c1;font-size:11px}.learn-card p{font-size:10px;line-height:1.9;color:#a9c0a9;margin:9px 0 10px 24px}.learn-card button{border-top:1px solid #51664e;padding:11px 0 0;margin-top:0;width:100%;display:flex;align-items:center;justify-content:space-between;color:#e0e9c8;font-size:10px}.sidebar-help{display:flex;align-items:center;width:100%;gap:9px;margin-top:20px;font-size:10px;color:#a6bfae}.sidebar-help span{margin-left:auto;border:1px solid #55735d;border-radius:3px;width:17px;height:17px;font-size:10px;display:grid;place-items:center}.local-badge{display:flex;align-items:center;gap:5px;font-size:8px;color:#769783;letter-spacing:.025em;margin:18px 0 0 4px}.local-badge span{width:4px;height:4px;background:#99af77;border-radius:50%}.empty-search{padding:12px;font-size:11px;color:#c2d2bf;line-height:1.8}.topbar{grid-column:2/-1;border-bottom:1px solid #e5e9e2;display:flex;align-items:center;justify-content:space-between;background:#fcfcfa;padding:0 27px;gap:15px}.breadcrumb{display:flex;align-items:center;gap:13px;color:#8b978d;font-size:10px;min-width:0}.breadcrumb strong{color:#546556;font-weight:500;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.topbar-actions{display:flex;align-items:center;gap:24px}.live-indicator{font-size:8px;letter-spacing:1.1px;color:#798c7b;display:flex;align-items:center;gap:6px}.live-indicator>span,.sync-label>span{width:5px;height:5px;border-radius:50%;background:#71a486;box-shadow:0 0 0 3px #edf3e9}.help-button{display:flex;align-items:center;gap:6px;color:#6d7d6e;font-size:10px}.workspace{grid-column:2;grid-row:2;padding:26px 26px 0;overflow:auto;min-width:0;display:flex;flex-direction:column;scrollbar-width:thin;scrollbar-color:#d0d9cd transparent}.title-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-shrink:0;margin-bottom:22px}.eyebrow{font-size:9px;letter-spacing:1.7px;color:#819078;font-weight:600;display:flex;align-items:center;gap:10px}.index-badge{font-size:8px;font-weight:400;letter-spacing:.7px;border:1px solid #e0e5d9;border-radius:4px;padding:2px 6px;background:#f0f3ec;color:#8b967e}.title-row h1{font-family:Yu Mincho,Hiragino Mincho ProN,Georgia,serif;font-weight:600;font-size:27px;letter-spacing:.05em;margin:11px 0 9px;display:flex;align-items:center;gap:12px}.title-row p{font-size:10px;color:#889080;line-height:1.7;margin:0;max-width:520px}.favorite-button{color:#aeb7a6;display:flex;padding:5px}.favorite-button.saved{color:#bf9c49}.challenge-button{display:flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap;background:#f2f3e9;border:1px solid #dce1cf;border-radius:6px;padding:10px 11px;color:#607045;font-size:10px}.challenge-button:hover{background:#e9edda}.viewer-panel{background:#f4f7f5;border:1px solid #dde5dc;border-radius:10px;overflow:hidden;flex:1;min-height:365px;display:flex;flex-direction:column;box-shadow:0 3px 12px #2c443304}.viewer-toolbar{padding:0 16px;height:46px;flex-shrink:0;background:#fcfdfa;border-bottom:1px solid #e6ebe3;display:flex;align-items:center;justify-content:space-between}.viewer-caption{display:flex;align-items:center;gap:9px;color:#768774}.viewer-caption strong{font-size:11px;color:#556d56;font-weight:500}.tiny-badge{font-size:7px;letter-spacing:1px;border:1px solid #e0e8d9;padding:2px 4px;border-radius:3px;color:#8d9d7d}.viewer-tools{display:flex;align-items:center;gap:6px;color:#92a08d}.viewer-tools button{display:flex;align-items:center;justify-content:center;width:28px;height:27px;border-radius:5px}.viewer-tools button.active{color:#55715b;background:#edf2e8}.viewer-tools button:hover{background:#e8eee5;color:#476c53}.viewer-tools i{height:16px;width:1px;background:#e2e6dd;margin:0 5px}.canvas-wrap{flex:1;position:relative;min-height:270px}.canvas-wrap>div:first-child{position:absolute!important;inset:0}.scene-legend{position:absolute;left:18px;top:17px;display:flex;align-items:center;gap:14px;pointer-events:none;color:#819080;font-size:9px}.scene-legend>span{display:flex;align-items:center;gap:5px}.scene-legend i{height:7px;width:7px;border-radius:2px}.legend-solid{background:#82b6a2}.legend-plane{background:#dcaf71}.scene-unit{color:#abb4a6;font-size:8px;border-left:1px solid #dce4da;padding-left:13px}.camera-presets{position:absolute;top:14px;right:14px;display:flex;border:1px solid #dce5da;border-radius:5px;background:#fcfdf9e6;padding:3px;gap:1px}.camera-presets button{padding:5px 8px;border-radius:3px;font-size:9px;color:#8c9988}.camera-presets button.active{background:#e7eee2;color:#4b6b4f}.axis-label{font:italic 14px Georgia,serif;text-shadow:0 0 5px #fff;background:#f4f7f599;border-radius:3px;padding:1px 4px}.plane-label{white-space:nowrap;color:#b28e5c;font-size:9px;letter-spacing:.05em}.handle-label{font-size:9px;white-space:nowrap;background:#fff9edeb;padding:4px 7px;border:1px solid #e7d4b9;border-radius:4px;color:#b5894b}.selection-tools{position:absolute;left:15px;bottom:13px;background:#fcfdf9ef;border:1px solid #dce4d7;border-radius:6px;padding:4px;display:flex;align-items:center;gap:3px;box-shadow:0 2px 8px #233c3104}.selection-tools>span{color:#9aa58f;font-size:9px;padding:0 8px}.selection-tools button{display:flex;align-items:center;gap:5px;border-radius:4px;padding:6px 8px;font-size:9px;color:#8b9981}.selection-tools button.active{background:#e7edde;color:#486542}.clip-toggle{position:absolute;right:14px;bottom:18px;font-size:9px;color:#7f8f7b;display:flex;align-items:center;gap:6px}.clip-toggle input{accent-color:#678c70;width:11px;height:11px}.viewer-footer{height:36px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-top:1px solid #e5ebe1;background:#fbfcf8;flex-shrink:0}.viewer-footer>div{display:flex;align-items:center;gap:7px;color:#a3ad9d;font-size:8px}.dot-separator{padding:0 3px}.play-button{display:flex;align-items:center;gap:5px;color:#607759;font-size:9px}.play-button.playing{color:#b38844}.bottom-panels{display:grid;grid-template-columns:1.15fr 1fr;gap:14px;margin-top:16px;flex-shrink:0;min-height:235px}.diagram-panel,.information-panel{background:#fcfdf9;border:1px solid #e1e6da;border-radius:8px;overflow:hidden;min-width:0}.panel-heading{height:43px;display:flex;align-items:center;justify-content:space-between;padding:0 15px;border-bottom:1px solid #e9ece3}.panel-heading>span:first-child{display:flex;align-items:center;gap:8px;font-size:11px;color:#65755d;font-weight:500}.panel-heading>span:first-child>svg{color:#8b9c7e}.icon-button{padding:5px;display:inline-flex;align-items:center;justify-content:center;color:#93a088;border-radius:4px}.icon-button:hover{background:#edf1e5;color:#527147}.diagram-content{position:relative;min-height:190px;height:calc(100% - 43px)}.diagram-svg{width:100%;height:100%;max-height:210px;min-height:187px;display:block;touch-action:none}.svg-axis{font:9px system-ui;fill:#9ba892}.svg-point{font:italic 11px Georgia;fill:#b08342}.svg-message{font:11px system-ui;fill:#8c9a84}.profile-point{fill:#dfab61;stroke:#fff;stroke-width:2;cursor:ew-resize}.shape-pill{position:absolute;left:12px;top:10px;background:#f4f0e2;border:1px solid #e9dec6;color:#a1884e;border-radius:4px;padding:4px 8px;font-size:9px}.sync-label{font-size:8px;color:#98a48b;display:flex;align-items:center;gap:7px}.sync-label>span{width:4px;height:4px}.stats-grid{display:grid;grid-template-columns:1fr 1fr;padding:22px 17px 16px;gap:12px}.stats-grid>div+div{border-left:1px solid #e8ece0;padding-left:20px}.stats-grid span{font-size:9px;color:#8b987c;display:block;margin-bottom:10px}.stats-grid strong{font-family:Georgia,Times New Roman,serif;font-weight:400;color:#435f42;font-size:26px;white-space:nowrap}.stats-grid small{font-family:Inter,system-ui;font-size:10px;color:#a3ad94}.info-details{padding:0 17px}.data-row{display:flex;align-items:center;justify-content:space-between;padding:7px 0;gap:10px;font-size:9px;color:#92a083}.data-row code{font-size:10px;color:#6e7e62;text-align:right;overflow-wrap:anywhere}.information-hint{font-size:8px;color:#adb59f;padding:10px 17px 0;margin:0}.selection-info{padding:13px 16px}.selected-element{display:flex;align-items:center;gap:6px;font-size:10px;background:#f2eddc;color:#a08143;border-radius:4px;padding:7px 8px;margin-bottom:8px}.selected-element button{margin-left:auto;display:flex;padding:0}.workspace-bottom{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:15px 1px;color:#a5ae9a;font-size:8px;gap:8px}.workspace-bottom>span{display:flex;gap:5px;align-items:center}.workspace-bottom>span:last-child{letter-spacing:1px;font-size:7px;color:#b2baa9}.version{letter-spacing:0;background:#eef1e7;padding:2px 4px;border-radius:3px}.inspector{grid-column:3;grid-row:2;border-left:1px solid #e3e8dd;overflow:auto;background:#fcfdf9;scrollbar-width:thin;scrollbar-color:#d6dfcd transparent}.inspector>.panel-heading{height:54px;padding:0 20px}.formula-section{padding:24px 21px 19px;border-bottom:1px solid #e8eddf}.inspector h3{font-size:11px;font-weight:500;margin:11px 0 15px;color:#667658}.formula-section>.eyebrow{font-size:8px;letter-spacing:1.3px;color:#a2ad94}.formula-card{border:1px solid #e1e6d6;background:#f5f7ef;border-radius:7px;overflow:hidden}.big-equation{display:flex;align-items:center;justify-content:center;padding:23px 5px 18px;font:italic 20px Georgia,Times New Roman,serif;color:#526c42;gap:2px}.formula-variable{display:inline-flex;align-items:center;justify-content:center;font:italic 17px Georgia,serif;border-radius:4px;padding:2px 3px;color:#63814f;transition:background .15s}.formula-variable:hover,.formula-variable.active{background:#e9d7ae;color:#b3833a}.numeric-equation{padding:12px 8px;border-top:1px dashed #dce3ce;text-align:center;font-family:Cascadia Code,Consolas,monospace;color:#8d9a7b;font-size:10px;line-height:1.8;overflow-wrap:anywhere}.general-formula{padding:22px 12px;font-family:Georgia,Yu Mincho,serif;font-size:17px;color:#55714b;text-align:center;line-height:1.6;overflow-wrap:anywhere}.variable-legend{display:flex;align-items:center;gap:11px;margin:12px 0 6px;flex-wrap:wrap}.variable-legend>span{display:flex;align-items:center;font-size:9px;color:#93a080;gap:3px}.variable-legend .formula-variable{font-size:13px}.micro-note{display:flex;align-items:flex-start;gap:5px;font-size:8px;line-height:1.8;color:#a6b295;margin:8px 0 0}.micro-note svg{flex-shrink:0;margin-top:2px}.slider-section{padding:10px 21px 8px;border-bottom:1px solid #e8eddf}.slider-section h3{display:flex;align-items:center;justify-content:space-between;margin:13px 0 23px}.parameter{margin:0 0 22px}.parameter-label{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}.parameter-label label{display:flex;align-items:center;gap:7px;font-size:10px;color:#879777}.variable{font:italic 13px Georgia,serif;color:#7d9666;background:#f0f4e8;min-width:21px;height:20px;border-radius:4px}.value-input{display:flex;align-items:center;gap:3px;font-size:9px;color:#8f9b7f;border:1px solid #e2e7d8;background:#f9faf6;border-radius:4px;padding:4px 6px;min-width:49px;justify-content:flex-end}.value-input input{width:46px;appearance:textfield;-moz-appearance:textfield;padding:0;border:0;background:transparent;color:#5e7250;font:11px Consolas,monospace;text-align:right}.value-input input::-webkit-inner-spin-button{appearance:none}.parameter input[type=range]{display:block;width:100%;height:4px;border-radius:3px;appearance:none;background:linear-gradient(to right,#87a376 var(--progress),#e6ebdd var(--progress));cursor:pointer;margin:5px 0}.parameter input[type=range]::-webkit-slider-thumb{appearance:none;width:12px;height:12px;border:2px solid #fff;background:#88a274;border-radius:50%;box-shadow:0 0 0 1px #829e6b}.parameter input[type=range]::-moz-range-thumb{width:9px;height:9px;border:2px solid #fff;background:#88a274;border-radius:50%;box-shadow:0 0 0 1px #829e6b}.range-labels{display:flex;justify-content:space-between;margin-top:9px;font-size:8px;color:#b0b99e}.subheading{border-top:1px dashed #dfe5d2;padding:15px 0 20px;font-size:10px;color:#99a786}.insight-card{display:flex;gap:9px;margin:20px 18px;padding:15px 13px;background:#f4f3e8;border:1px solid #e7e5d3;border-radius:7px}.insight-icon{font-size:17px;color:#aaa474;line-height:1}.insight-card strong{font-size:10px;font-weight:500;color:#88875e}.insight-card p{font-size:9px;line-height:1.9;color:#a2a17f;margin:8px 0 0}.matrix-section,.coordinate-table{padding:14px 21px;border-bottom:1px solid #e8eddf}.matrix{display:grid;grid-template-columns:repeat(4,1fr);font:12px Consolas,monospace;border-left:2px solid #93a283;border-right:2px solid #93a283;border-radius:5px;text-align:center;padding:10px 2px;gap:12px 2px;color:#668156}.coordinate-table>div{font-size:9px;padding:10px 0;border-bottom:1px dashed #e4e9d9;display:flex;flex-direction:column;gap:5px;color:#8c9d78}.coordinate-table code{font-size:11px;color:#608055}.quiz-card{position:absolute;left:50%;top:54px;transform:translate(-50%);width:min(350px,85%);background:#fffff4f5;border:1px solid #e0d8b5;border-radius:8px;padding:14px;box-shadow:0 6px 26px #45503815}.quiz-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:11px;color:#a49357;font-size:9px}.quiz-top span{display:flex;align-items:center;gap:5px}.quiz-top button{display:flex}.quiz-card strong{font-size:11px;color:#677044;font-weight:500;line-height:1.8}.quiz-answers{display:flex;gap:8px;margin-top:12px}.quiz-answers button{flex:1;border:1px solid #d8dfc6;padding:8px 5px;border-radius:5px;font-size:10px;color:#6a7e50;background:#f4f7ec}.quiz-answers button:hover{background:#e3ebcf}.next-quiz{display:flex;gap:7px;margin:10px 0 0 auto;color:#6b864e;font-size:10px}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);z-index:50;padding:14px 22px;border:1px solid #d4dec8;border-radius:7px;background:#f5f7ed;box-shadow:0 7px 35px #263c2825;font-size:12px;max-width:90vw}.modal-backdrop{position:fixed;inset:0;background:#0c271e88;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:grid;place-items:center;z-index:100;padding:20px}.help-modal{position:relative;max-width:530px;width:100%;max-height:90vh;overflow:auto;background:#fbfcf6;border:1px solid #e8ecdd;border-radius:15px;padding:36px 40px;box-shadow:0 25px 100px #122a2850}.modal-close{position:absolute;right:16px;top:16px}.modal-icon{background:#eaf0db;color:#718754;width:52px;height:52px;border-radius:12px;display:grid;place-items:center;margin-bottom:23px}.help-modal h2{font:600 27px Yu Mincho,serif;letter-spacing:.05em;color:#365b40}.help-modal>p{color:#8c9b7a;font-size:11px}.help-steps{margin:25px 0}.help-steps>div{display:flex;gap:16px;margin-bottom:19px}.help-steps b{font:italic 21px Georgia,serif;color:#b1be92}.help-steps span{font-size:11px;line-height:1.9;color:#879978}.help-steps strong{display:block;font-size:12px;color:#5d7b49;margin-bottom:3px;font-weight:500}.help-footnote{font-size:10px;line-height:1.9;padding:15px;border:1px solid #e4e8d7;border-radius:6px;color:#94a07f;background:#f3f5eb}.primary-button{display:flex;align-items:center;gap:15px;justify-content:center;background:#29513d;color:#edf2e2;border-radius:6px;margin-top:24px;width:100%;padding:12px}.viewer-panel:fullscreen{border-radius:0;min-height:100vh;width:100vw}.viewer-panel:fullscreen .canvas-wrap{min-height:calc(100vh - 82px)}.canvas-fallback{position:absolute;inset:0;display:grid;place-items:center;padding:50px;text-align:center;line-height:2;color:#7b886f}.app.sidebar-hidden{grid-template-columns:0 minmax(460px,1fr) 304px}.sidebar-hidden .sidebar{visibility:hidden}.app.inspector-hidden{grid-template-columns:246px minmax(460px,1fr) 0}.app.sidebar-hidden.inspector-hidden{grid-template-columns:0 minmax(460px,1fr) 0}.inspector-hidden .inspector{visibility:hidden}.sidebar-toggle{margin-left:-7px;color:#a8b29f}.sidebar-toggle:hover{color:#527147}@media(min-width:1600px){.app{grid-template-columns:260px minmax(460px,1fr) 330px}.workspace{padding:31px 34px 0}.viewer-panel{min-height:430px}.bottom-panels{min-height:260px}.diagram-svg{max-height:240px}.diagram-content{min-height:217px}.title-row{margin-bottom:28px}.title-row h1{font-size:31px}.title-row p{font-size:12px}.bottom-panels .panel-heading{height:46px}.stats-grid{padding:24px 22px}.data-row{padding:9px 0}.information-hint{margin-top:9px}.brand{padding-left:24px}}@media(max-width:1200px){.app{grid-template-columns:215px minmax(390px,1fr) 275px}.brand{padding-left:15px;gap:7px}.brand strong{font-size:14px}.brand-mark{width:29px}.workspace{padding:22px 18px 0}.topbar{padding:0 20px}.title-row h1{font-size:23px}.title-row p{font-size:9px}.challenge-button{font-size:9px;padding:9px}.scene-unit{display:none!important}.inspector>.panel-heading,.formula-section,.slider-section{padding-left:16px;padding-right:16px}.bottom-panels{gap:10px}.stats-grid strong{font-size:23px}.stats-grid>div+div{padding-left:10px}.app.inspector-hidden{grid-template-columns:215px minmax(390px,1fr) 0}.app.sidebar-hidden{grid-template-columns:0 minmax(390px,1fr) 275px}}@media(max-width:980px){.app{grid-template-columns:195px minmax(340px,1fr) 255px}.topbar-actions .live-indicator{display:none}.brand strong{font-size:12px}.brand span{font-size:7px;letter-spacing:1.5px}.brand{gap:5px}.brand-mark{width:25px}.challenge-button{display:none}.sidebar-bottom{padding:10px 12px}.category-button{gap:7px}.theme-button{font-size:10px;padding-left:6px}.category-items{margin-left:10px;padding-left:11px}.workspace{padding:20px 13px 0}.bottom-panels{grid-template-columns:1fr}.information-panel{min-height:210px}.viewer-panel{min-height:410px}.workspace-bottom>span:last-child{display:none}.breadcrumb{gap:7px}.inspector h3{font-size:10px}.scene-legend{font-size:8px;gap:7px}.camera-presets button{padding:4px 5px}.viewer-tools{gap:0}.app.inspector-hidden{grid-template-columns:195px minmax(340px,1fr) 0}.app.sidebar-hidden{grid-template-columns:0 minmax(340px,1fr) 255px}}@media(max-width:760px){.app,.app.sidebar-hidden,.app.inspector-hidden,.app.sidebar-hidden.inspector-hidden{display:block;height:auto;min-height:100vh;overflow:visible}.sidebar{position:fixed;inset:55px auto 0 0;width:225px;z-index:30;box-shadow:10px 0 40px #173c3330}.app:not(.sidebar-hidden) .sidebar{visibility:visible}.sidebar-hidden .sidebar{display:none}.topbar{height:55px;position:sticky;top:0;z-index:40;padding:0 16px}.breadcrumb{font-size:9px;gap:7px}.breadcrumb>span:first-of-type{display:none}.topbar-actions{gap:5px}.help-button{font-size:9px}.workspace{padding:22px 14px 0;overflow:visible}.title-row p{font-size:10px}.viewer-panel{min-height:460px;flex:none}.canvas-wrap{height:370px}.bottom-panels{grid-template-columns:1fr 1fr}.diagram-svg{height:200px}.information-panel .stats-grid{grid-template-columns:1fr;padding:15px;gap:8px}.stats-grid>div+div{border:0;padding-left:0}.stats-grid span{margin-bottom:4px}.stats-grid strong{font-size:23px}.information-panel .info-details{display:none}.information-hint{font-size:7px;padding:0 14px 12px;line-height:1.8}.panel-heading{padding:0 10px}.panel-heading>span:first-child{font-size:10px}.sync-label{display:none}.inspector{border:1px solid #e1e6da;margin:0 14px 22px;border-radius:8px;overflow:visible}.inspector-hidden .inspector{display:none}.formula-section{padding:20px}.slider-section{padding:8px 20px;display:grid;grid-template-columns:1fr 1fr;gap:0 22px}.slider-section h3,.subheading{grid-column:1/-1}.insight-card{margin:18px}.formula-section .formula-card{max-width:450px}.help-modal{padding:28px 24px}.help-modal h2{font-size:23px}.viewer-footer{padding:0 10px}.viewer-footer>div{font-size:7px;gap:4px}.play-button,.clip-toggle{font-size:8px}.selection-tools{left:9px;gap:0}.selection-tools>span{padding:0 5px}.selection-tools button{padding:6px}.scene-legend{left:10px}.camera-presets{right:10px}.bottom-panels{min-height:245px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.conic-model{font:12px Georgia,serif;color:#82956e;line-height:1.9;margin-top:12px}.conic-model span{font:9px system-ui;line-height:1.8;color:#9da889}.general-formula .formula-variable{font-size:inherit;padding:0 2px}