@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,math,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.19.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}html{font-size:17px}html.large-text{font-size:20px}:root{--bg-deep:#f3f4f6;--bg-surface:#fff;--bg-card:#fff;--bg-card-hover:#f1f5f9;--bg-input:#fff;--border-subtle:#d1d5db;--border-hover:#93a3b8;--border-focus:#1d4ed8;--text-primary:#111827;--text-secondary:#374151;--text-muted:#4b5563;--cyan-400:#1d4ed8;--cyan-500:#1d4ed8;--blue-500:#1d4ed8;--violet-500:#1d4ed8;--emerald-400:#047857;--emerald-500:#047857;--amber-400:#b45309;--amber-500:#b45309;--rose-500:#b91c1c;--accent-soft:#e8efff;--font-sans:"Plus Jakarta Sans", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", monospace;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-pill:9999px;--shadow-sm:0 2px 8px #0000004d;--shadow-glow-cyan:0 0 20px #0ea5e959;--shadow-glow-emerald:0 0 16px #10b9814d}*{box-sizing:border-box;-webkit-user-select:none;user-select:none;margin:0;padding:0}input,textarea,.ai-notice-body,.result-panel-container,.formula-body,.learning-card,.preset-desc{-webkit-user-select:text;user-select:text}:focus-visible{outline:2px solid var(--cyan-400);outline-offset:2px}body{font-family:var(--font-sans);background-color:var(--bg-deep);color:var(--text-primary);flex-direction:column;min-height:100vh;line-height:1.5;display:flex;overflow:hidden}.app-header{background:var(--bg-surface);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);z-index:50;flex-shrink:0;justify-content:space-between;align-items:center;height:60px;padding:0 20px;display:flex}.header-left{align-items:center;gap:12px;display:flex}.app-logo{border-radius:var(--radius-md);width:38px;height:38px;box-shadow:var(--shadow-glow-cyan);background:linear-gradient(135deg,#0ea5e933,#8b5cf633);border:1px solid #38bdf84d;justify-content:center;align-items:center;display:flex}.logo-svg{width:24px;height:24px}.app-title-group h1{letter-spacing:-.3px;background:linear-gradient(90deg,#38bdf8,#a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.15rem;font-weight:800}.app-title-row{align-items:center;gap:8px;display:flex}.app-version-badge{border-radius:var(--radius-pill);color:var(--cyan-400);background:#0ea5e926;border:1px solid #38bdf84d;padding:2px 7px;font-size:.74rem;font-weight:700}.app-subtitle{color:var(--text-secondary);font-size:.8rem;font-weight:500}.header-center-selector{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:var(--radius-pill);border:1px solid var(--border-subtle);background:#0b1121b3;align-items:center;gap:10px;padding:6px 14px;transition:all .2s;display:flex;box-shadow:0 2px 10px #0000004d}.selector-label{color:var(--cyan-400);align-items:center;gap:6px;font-size:.82rem;font-weight:600;display:flex}.header-dropdown-select{color:var(--text-primary);font-family:var(--font-sans);cursor:pointer;background:0 0;border:none;outline:none;padding-right:8px;font-size:.92rem;font-weight:700}.header-dropdown-select option{color:#f8fafc;background:#0f172a;padding:8px}.btn-projector-active{background:linear-gradient(135deg,#f59e0b,#d97706);box-shadow:0 0 14px #f59e0b73;color:#fff!important;border:1px solid #fbbf2480!important}.icon-indicator{font-size:.92rem}.btn-close-notice{color:var(--cyan-400);cursor:pointer;background:0 0;border:none;margin-left:auto;font-size:.9rem}.playback-controls{border-radius:var(--radius-pill);border:1px solid var(--border-subtle);background:#0b112199;align-items:center;gap:8px;padding:4px 8px;display:flex}.ctrl-btn{font-family:var(--font-sans);border-radius:var(--radius-pill);cursor:pointer;border:none;align-items:center;gap:6px;padding:7px 14px;font-size:.88rem;font-weight:700;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex}.ctrl-btn.btn-primary{color:#fff;background:linear-gradient(135deg,#0ea5e9,#2563eb);box-shadow:0 2px 12px #0ea5e966}.ctrl-btn.btn-primary:hover{background:linear-gradient(135deg,#38bdf8,#1d4ed8);transform:translateY(-1px)}.ctrl-btn.btn-primary.is-playing{background:linear-gradient(135deg,#f59e0b,#d97706);box-shadow:0 2px 12px #f59e0b66}.ctrl-btn.btn-secondary{color:var(--text-secondary);background:0 0;border:1px solid #0000}.ctrl-btn.btn-secondary:hover{color:var(--text-primary);background:#ffffff14}.divider{background:var(--border-subtle);width:1px;height:20px;margin:0 4px}.speed-selector{border-radius:var(--radius-pill);background:#ffffff0d;padding:2px;display:flex}.speed-btn{color:var(--text-muted);font-family:var(--font-mono);border-radius:var(--radius-pill);cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:.8rem;font-weight:600;transition:all .15s}.speed-btn.active{background:var(--cyan-500);color:#fff;box-shadow:0 0 8px #0ea5e980}.header-right{align-items:center;gap:12px;display:flex}.env-badge{border:1px solid var(--border-subtle);border-radius:var(--radius-pill);font-size:.82rem;font-family:var(--font-mono);color:var(--text-secondary);background:#ffffff0d;align-items:center;gap:8px;padding:5px 12px;display:flex}.badge-dot{background:var(--emerald-400);width:7px;height:7px;box-shadow:0 0 8px var(--emerald-400);border-radius:50%}.icon-btn-header{border:1px solid var(--border-subtle);color:var(--text-muted);border-radius:var(--radius-md);cursor:pointer;background:0 0;justify-content:center;align-items:center;width:34px;height:34px;transition:all .2s;display:flex}.icon-btn-header:hover{color:var(--rose-500);background:#f43f5e26;border-color:#f43f5e66}.app-workspace{flex:1;grid-template-columns:320px 1fr 340px;height:calc(100vh - 60px);display:grid;position:relative;overflow:hidden}.sidebar{background:var(--bg-surface);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:20;flex-direction:column;display:flex;overflow-y:auto}.sidebar-left{border-right:1px solid var(--border-subtle)}.sidebar-right{border-left:1px solid var(--border-subtle)}.sidebar-section{border-bottom:1px solid var(--border-subtle);flex-direction:column;gap:12px;padding:16px;display:flex}.section-header{justify-content:space-between;align-items:center;display:flex}.section-title{text-transform:uppercase;letter-spacing:.8px;color:var(--text-primary);align-items:center;gap:8px;font-size:.88rem;font-weight:700;display:flex}.tag-ai{border-radius:var(--radius-pill);background:linear-gradient(135deg, var(--cyan-500), var(--violet-500));color:#fff;letter-spacing:.6px;padding:2px 7px;font-size:.74rem;font-weight:800}.context-textarea{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:100%;color:var(--text-primary);font-family:var(--font-sans);resize:vertical;-webkit-user-select:text;user-select:text;outline:none;min-height:72px;padding:10px 12px;font-size:.9rem;line-height:1.5;transition:all .2s}.context-action-row{justify-content:flex-end;margin-top:8px;display:flex}.btn-generate{color:#fff;font-family:var(--font-sans);border-radius:var(--radius-md);cursor:pointer;background:linear-gradient(135deg,#0284c7,#6366f1);border:none;align-items:center;gap:6px;padding:8px 14px;font-size:.86rem;font-weight:700;transition:all .2s;display:flex;box-shadow:0 2px 10px #6366f159}.btn-generate:hover{background:linear-gradient(135deg,#0ea5e9,#4f46e5);transform:translateY(-1px)}.sample-prompts-row{flex-direction:column;gap:4px;margin-top:8px;display:flex}.sample-hint{color:var(--text-muted);font-size:.76rem;font-weight:600}.sample-chips{flex-wrap:wrap;gap:5px;display:flex}.sample-chip{border:1px solid var(--border-subtle);border-radius:var(--radius-pill);font-size:.76rem;font-family:var(--font-sans);color:var(--cyan-400);cursor:pointer;text-align:left;background:#ffffff0d;padding:3px 8px;transition:all .18s}.sample-chip:hover{background:#0ea5e926;border-color:#38bdf866;transform:translateY(-1px)}.catalog-filters{flex-direction:column;gap:6px;margin-bottom:8px;display:flex}.filter-group{flex-wrap:wrap;align-items:center;gap:4px;display:flex}.filter-pill{border:1px solid var(--border-subtle);border-radius:var(--radius-pill);color:var(--text-secondary);cursor:pointer;background:#ffffff0d;padding:3px 8px;font-size:.78rem;font-weight:600;transition:all .15s}.filter-pill:hover{color:var(--text-primary);background:#ffffff1a}.filter-pill.active{background:var(--cyan-500);border-color:var(--cyan-400);color:#fff;box-shadow:0 0 8px #0ea5e966}.filter-pill-small{color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #ffffff0f;border-radius:4px;padding:2px 6px;font-size:.74rem;transition:all .15s}.filter-pill-small:hover{color:var(--text-secondary)}.filter-pill-small.active{color:#c4b5fd;background:#8b5cf633;border-color:#8b5cf666}.preset-badge-group{align-items:center;gap:4px;display:flex}.grade-badge{color:var(--emerald-400);background:#10b98126;border:1px solid #10b9814d;border-radius:3px;padding:2px 5px;font-size:.72rem;font-weight:700}.scrollable-section{flex:1;min-height:160px}.preset-list{flex-direction:column;gap:8px;margin-top:4px;display:flex}.preset-item{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;flex-direction:column;gap:4px;padding:10px 12px;transition:all .2s;display:flex}.preset-item.active{border-color:var(--cyan-400);background:#0ea5e91f;box-shadow:0 0 14px #0ea5e926}.preset-title{color:#f1f5f9;justify-content:space-between;align-items:center;font-size:.9rem;font-weight:700;display:flex}.preset-category-tag{color:var(--text-secondary);background:#ffffff14;border-radius:4px;padding:2px 6px;font-size:.74rem;font-weight:600}.preset-desc{color:var(--text-secondary);font-size:.8rem;line-height:1.35}.form-row{flex-direction:column;gap:6px;margin-bottom:8px;display:flex}.param-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);margin-bottom:8px;padding:10px 12px;transition:all .2s}.label-with-val{color:var(--text-secondary);justify-content:space-between;align-items:center;font-size:.86rem;font-weight:500;display:flex}.param-label-text{align-items:center;gap:6px;display:flex}.param-symbol-badge{font-family:var(--font-mono);color:var(--cyan-400);background:#0ea5e926;border-radius:4px;padding:1px 6px;font-size:.82rem;font-weight:700}.param-title{color:var(--text-primary);font-size:.86rem;font-weight:600}.val-display-pill{font-family:var(--font-mono);color:var(--emerald-400);border-radius:var(--radius-pill);background:#10b9811f;border:1px solid #10b98140;padding:2px 8px;font-size:.9rem;font-weight:700}.val-unit{color:var(--text-muted);font-size:.78rem}.slider-with-steppers{align-items:center;gap:8px;margin-top:6px;display:flex}.btn-stepper{border:1px solid var(--border-subtle);width:26px;height:26px;color:var(--text-primary);cursor:pointer;background:#ffffff14;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;font-size:1rem;font-weight:700;transition:all .15s;display:flex}.btn-stepper:hover{background:var(--cyan-500);color:#fff;border-color:var(--cyan-400)}.slider-limits{color:var(--text-muted);justify-content:space-between;margin-top:3px;font-size:.74rem;display:flex}.custom-select{background:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-primary);font-family:var(--font-sans);border-radius:var(--radius-md);cursor:pointer;outline:none;padding:8px 10px;font-size:.88rem;transition:all .2s}.custom-select:focus{border-color:var(--border-focus)}input[type=range]{-webkit-appearance:none;cursor:pointer;background:#ffffff1a;border-radius:4px;outline:none;width:100%;height:6px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--cyan-400);cursor:grab;border:2px solid #fff;border-radius:50%;width:16px;height:16px;transition:transform .1s;box-shadow:0 0 10px #38bdf8cc}input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}input[type=range]::-webkit-slider-thumb:active{cursor:grabbing;background:var(--emerald-400)}.toggle-row{color:var(--text-secondary);justify-content:space-between;align-items:center;padding:4px 0;font-size:.86rem;display:flex}.switch{width:36px;height:20px;display:inline-block;position:relative}.switch input{opacity:0;width:0;height:0}.slider-toggle{cursor:pointer;background-color:#ffffff26;border-radius:20px;transition:all .3s;position:absolute;inset:0}.slider-toggle:before{content:"";background-color:#fff;border-radius:50%;width:14px;height:14px;transition:all .3s;position:absolute;bottom:3px;left:3px}input:checked+.slider-toggle{background-color:var(--cyan-500);box-shadow:0 0 10px #0ea5e980}input:checked+.slider-toggle:before{transform:translate(16px)}.canvas-main-area{background:#090d16;flex:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}#physicsCanvas{cursor:grab;width:100%;height:100%;position:absolute;top:0;left:0}#physicsCanvas:active{cursor:grabbing}#physicsCanvas[data-tool=add-box],#physicsCanvas[data-tool=add-circle],#physicsCanvas[data-tool=add-ramp],#physicsCanvas[data-tool=add-spring],#physicsCanvas[data-tool=add-pin]{cursor:crosshair}.floating-toolbar{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--border-subtle);border-radius:var(--radius-pill);z-index:30;background:#0f172ad9;align-items:center;gap:4px;padding:5px 8px;display:flex;position:absolute;top:16px;left:50%;transform:translate(-50%);box-shadow:0 8px 30px #00000080}.tool-btn{color:var(--text-secondary);border-radius:var(--radius-pill);font-family:var(--font-sans);cursor:pointer;background:0 0;border:1px solid #0000;align-items:center;gap:6px;padding:6px 12px;font-size:.82rem;font-weight:600;transition:all .18s;display:flex}.tool-btn:hover{color:var(--text-primary);background:#ffffff14}.tool-btn.active{color:var(--cyan-400);background:#0ea5e92e;border-color:#38bdf866;box-shadow:0 0 12px #0ea5e940}.tool-sep{background:var(--border-subtle);width:1px;height:20px;margin:0 2px}.canvas-view-overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-subtle);border-radius:var(--radius-md);z-index:25;background:#0b1121bf;flex-direction:column;gap:6px;padding:8px 12px;display:flex;position:absolute;top:16px;right:20px}.check-overlay{color:var(--text-secondary);cursor:pointer;align-items:center;gap:8px;font-size:.8rem;display:flex}.check-overlay input{accent-color:var(--cyan-500)}.canvas-hint-bar{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border-subtle);border-radius:var(--radius-pill);color:var(--text-secondary);pointer-events:none;z-index:25;background:#0b1121cc;padding:6px 18px;font-size:.82rem;position:absolute;bottom:14px;left:50%;transform:translate(-50%)}.canvas-hint-bar b{color:var(--cyan-400)}.sidebar-tabs{border-bottom:1px solid var(--border-subtle);background:#0b112199;display:flex}.tab-btn{color:var(--text-muted);font-family:var(--font-sans);cursor:pointer;text-align:center;background:0 0;border:none;border-bottom:2px solid #0000;flex:1;padding:12px 6px;font-size:.82rem;font-weight:700;transition:all .2s}.tab-btn:hover{color:var(--text-secondary)}.tab-btn.active{color:var(--cyan-400);border-bottom-color:var(--cyan-400);background:#0ea5e90d}.tab-pane{flex-direction:column;gap:16px;padding:16px;display:none}.tab-pane.active{display:flex}.empty-state{text-align:center;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:40px 16px;font-size:.88rem;line-height:1.5;display:flex}.empty-icon{color:#ffffff26}.object-badge-row{justify-content:space-between;align-items:center;display:flex}.obj-type-badge{color:var(--cyan-400);font-size:.9rem;font-weight:700}.obj-status-badge{border-radius:var(--radius-pill);color:var(--emerald-400);background:#10b98126;border:1px solid #10b9814d;padding:3px 8px;font-size:.76rem;font-weight:600}.kine-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.kine-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);flex-direction:column;gap:3px;padding:10px;display:flex}.kine-lbl{color:var(--text-muted);text-transform:uppercase;font-size:.76rem;font-weight:600}.kine-val{font-family:var(--font-mono);color:var(--text-primary);font-size:.95rem;font-weight:700}.kine-val.emerald{color:var(--emerald-400)}.object-action-grid{flex-direction:column;gap:8px;margin-top:4px;display:flex}.obj-btn{border:1px solid var(--border-subtle);color:var(--text-primary);font-family:var(--font-sans);border-radius:var(--radius-md);cursor:pointer;background:#ffffff0d;justify-content:center;align-items:center;gap:6px;padding:8px 12px;font-size:.86rem;font-weight:600;transition:all .2s;display:flex}.obj-btn:hover{background:#ffffff1a;border-color:#fff3}.obj-btn.danger:hover{color:var(--rose-500);background:#f43f5e26;border-color:#f43f5e66}.graph-header-controls{flex-direction:column;gap:6px;display:flex}.graph-header-controls label{color:var(--text-secondary);font-size:.84rem}.chart-canvas-container{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#0b1121cc;width:100%;height:180px;position:relative;overflow:hidden}#liveChartCanvas{width:100%;height:100%}.energy-mini-dashboard{flex-direction:column;gap:10px;display:flex}.bar-unit{flex-direction:column;gap:4px;display:flex}.bar-unit-lbl{color:var(--text-secondary);justify-content:space-between;font-size:.82rem;display:flex}.bar-bg{background:#ffffff14;border-radius:4px;width:100%;height:8px;overflow:hidden}.bar-inner{border-radius:4px;width:0%;height:100%;transition:width 80ms ease-out}.bar-inner.ke{background:linear-gradient(90deg,#10b981,#34d399)}.bar-inner.pe{background:linear-gradient(90deg,#f59e0b,#fbbf24)}.bar-inner.te{background:linear-gradient(90deg,#0ea5e9,#38bdf8)}.photogate-desc{color:var(--text-secondary);font-size:.84rem;line-height:1.4}.photogate-table-wrapper{border:1px solid var(--border-subtle);border-radius:var(--radius-md);max-height:250px;overflow-y:auto}.data-table{border-collapse:collapse;width:100%;font-size:.82rem;font-family:var(--font-mono)}.data-table th{text-align:left;color:var(--text-muted);border-bottom:1px solid var(--border-subtle);background:#0b1121e6;padding:8px 10px;position:sticky;top:0}.data-table td{color:var(--text-primary);border-bottom:1px solid #ffffff0a;padding:8px 10px}@media (width<=1200px){.tool-btn{padding:6px 10px}}@media (width<=1080px){.app-workspace{grid-template-columns:280px 1fr 280px}}@media (width<=860px){.app-workspace{flex-direction:column;height:auto;display:flex;overflow-y:auto}.canvas-main-area{min-height:480px}.sidebar{max-height:none;overflow:visible}}.experiment-stage-card{background:radial-gradient(circle at 50% 30%,#0f172af2,#070a12);flex-direction:column;width:100%;height:100%;padding:16px 20px;display:flex;overflow-y:auto}.stage-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:10px;display:flex}.stage-header h3{color:var(--text-primary);font-size:1rem;font-weight:700}.stage-badges{align-items:center;gap:8px;display:flex}.badge-tag{border-radius:var(--radius-sm);color:var(--cyan-400);background:#ffffff14;border:1px solid #38bdf833;padding:3px 8px;font-size:.8rem;font-weight:600}.badge-tag.tag-success{color:var(--emerald-400);background:#10b98126;border-color:#10b98159}.badge-tag.tag-warning{color:var(--rose-500);background:#f43f5e33;border-color:#f43f5e66;animation:1.5s infinite pulseWarning}@keyframes pulseWarning{0%,to{opacity:1}50%{opacity:.6}}.svg-canvas-wrapper{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#0b112180;flex:1;justify-content:center;align-items:center;min-height:380px;display:flex;position:relative;overflow:hidden}.interactive-svg{-webkit-user-select:none;user-select:none;width:100%;max-width:700px;height:100%;display:block}.quick-orientation-bar{border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-secondary);background:#0f172a99;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;padding:8px 12px;font-size:.86rem;display:flex}.quick-pill{border:1px solid var(--border-subtle);color:var(--text-secondary);border-radius:var(--radius-pill);cursor:pointer;background:#ffffff0f;padding:5px 10px;font-size:.82rem;transition:all .2s}.quick-pill:hover{color:var(--text-primary);background:#ffffff1f}.quick-pill.active{border-color:var(--cyan-400);color:var(--cyan-400);background:#0ea5e933;box-shadow:0 0 10px #0ea5e933}.result-panel-container{flex-direction:column;gap:12px;display:flex}.formula-box{flex-direction:column;gap:8px;display:flex}.formula-item-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-left:3px solid var(--cyan-400);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:10px 14px;transition:all .2s}.formula-item-card:hover{background:var(--bg-card-hover);border-color:var(--border-hover);border-left-color:var(--cyan-400)}.formula-math{color:var(--cyan-400);font-size:.95rem;overflow-x:auto}.condition-note-box{color:var(--text-secondary);border-radius:var(--radius-md);background:#f59e0b14;border:1px solid #f59e0b40;margin-top:4px;padding:10px 12px;font-size:.82rem;line-height:1.45}.condition-title{color:var(--amber-400);margin-bottom:3px;font-weight:700}.result-grid{flex-direction:column;gap:8px;display:flex}.result-metric-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-direction:column;gap:6px;padding:12px 14px;transition:all .2s;display:flex}.result-metric-card:hover{background:var(--bg-card-hover);border-color:#38bdf859;transform:translateY(-1px)}.result-header-row{align-items:center;gap:8px;display:flex}.result-symbol-chip{font-family:var(--font-mono);color:var(--cyan-400);background:#38bdf826;border:1px solid #38bdf840;border-radius:4px;padding:2px 7px;font-size:.82rem;font-weight:700}.result-label-name{color:var(--text-secondary);font-size:.86rem;font-weight:600}.result-value-display{align-items:baseline;gap:6px;display:flex}.metric-number{font-family:var(--font-mono);color:var(--emerald-400);letter-spacing:-.5px;font-size:1.35rem;font-weight:800}.metric-unit{color:var(--text-muted);font-size:.84rem;font-weight:600}.learning-card-header{align-items:center;gap:8px;margin-bottom:2px;display:flex}.learning-badge{border-radius:var(--radius-pill);letter-spacing:.5px;padding:2px 7px;font-size:.74rem;font-weight:800}.learning-badge.predict{color:var(--amber-400);background:#f59e0b26;border:1px solid #f59e0b4d}.learning-badge.observe{color:var(--cyan-400);background:#0ea5e926;border:1px solid #0ea5e94d}.learning-badge.explain{color:var(--emerald-400);background:#10b98126;border:1px solid #10b9814d}.learning-title{color:var(--text-primary);font-size:.92rem;font-weight:700}.sidebar-actions-panel{flex-direction:column;gap:8px;margin-top:14px;display:flex}.ai-notice-banner{color:var(--cyan-400);background:linear-gradient(90deg,#0ea5e940,#8b5cf640);border-bottom:1px solid #38bdf84d;align-items:center;gap:10px;padding:8px 20px;font-size:.9rem;animation:.3s ease-out slideDown;display:flex}.learning-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);flex-direction:column;gap:8px;margin-bottom:10px;padding:12px;display:flex}.learning-tag{color:var(--cyan-400);text-transform:uppercase;letter-spacing:.5px;font-size:.8rem;font-weight:700}.learning-q{color:var(--text-primary);font-size:.92rem;font-weight:600;line-height:1.4}.learning-a{color:var(--text-secondary);border-radius:var(--radius-sm);border-left:3px solid var(--cyan-400);background:#ffffff0a;padding:8px;font-size:.88rem;line-height:1.4}.btn-export-csv,.btn-share-link{border-radius:var(--radius-md);cursor:pointer;background:var(--bg-card);border:1px solid var(--border-subtle);width:100%;color:var(--text-primary);justify-content:center;align-items:center;gap:8px;margin-top:8px;padding:8px 12px;font-size:.88rem;font-weight:600;transition:all .2s;display:flex}.btn-export-csv:hover,.btn-share-link:hover{background:var(--bg-card-hover);border-color:var(--cyan-400)}.stage-note{color:var(--text-muted);margin-left:auto;font-size:.82rem}.stage-badges{flex-wrap:wrap;justify-content:flex-end}.mech-view{flex-direction:column;gap:8px;width:100%;height:100%;min-height:0;padding:12px 16px;display:flex}.mech-scenes{flex-wrap:wrap;gap:6px;display:flex}.mech-desc{color:var(--text-secondary);font-size:.88rem;line-height:1.45}.mech-stage{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);flex:1;min-height:380px;position:relative;overflow:hidden}.mech-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;display:flex}.mech-tools{border:1px solid var(--border-subtle);border-radius:var(--radius-md);background:#0f172ad9;flex-wrap:wrap;align-items:center;gap:3px;padding:4px;display:flex}.mech-hud{border:1px solid var(--border-subtle);border-radius:var(--radius-md);width:250px;color:var(--text-secondary);pointer-events:none;z-index:25;background:#0b1121e0;flex-direction:column;gap:7px;padding:10px 12px;font-size:.82rem;display:flex;position:absolute;top:10px;right:10px}.mech-hud-line{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.mech-hud-line b{font-family:var(--font-mono);color:#f8fafc;white-space:nowrap;font-size:.88rem}.mech-hud-bar{background:#ffffff14;border-radius:3px;height:6px;margin-top:3px;overflow:hidden}.mech-hud-bar>div{border-radius:3px;height:100%}.mech-view-options{color:var(--text-secondary);flex-wrap:wrap;gap:4px 14px;display:flex}.mech-picked{border-radius:var(--radius-md);width:232px;color:var(--text-secondary);z-index:26;background:#0b1121e6;border:1px solid #38bdf873;flex-direction:column;gap:6px;padding:10px 12px;font-size:.82rem;display:flex;position:absolute;top:10px;left:10px}.mech-picked-title{color:#38bdf8;font-weight:700}.mech-picked-actions{flex-wrap:wrap;gap:4px;margin-top:2px;display:flex}.quick-pill:disabled{opacity:.4;cursor:not-allowed}#physicsCanvas{touch-action:none}.ai-notice-banner{align-items:flex-start;line-height:1.5}.ai-notice-banner.is-unsupported{color:var(--amber-400);background:linear-gradient(90deg,#f59e0b38,#f43f5e2e);border-bottom-color:#f59e0b66}.ai-source-tag{border-radius:var(--radius-pill);color:#cbd5e1;white-space:nowrap;border:1px solid #94a3b880;flex-shrink:0;margin-top:1px;padding:2px 8px;font-size:.78rem;font-weight:700}.ai-source-tag.is-ai{color:var(--emerald-400);border-color:#34d39999}.ai-notice-body{color:var(--text-primary);flex-direction:column;gap:2px;display:flex}.ai-notice-note{color:var(--amber-400);font-size:.84rem}.ai-suggest-link{color:var(--cyan-400);font:inherit;cursor:pointer;background:0 0;border:none;padding:0;font-weight:700;text-decoration:underline}.btn-generate:disabled,.sample-chip:disabled{opacity:.55;cursor:wait}.formula-scene{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);background:#0b112180;flex-shrink:0;width:100%;max-height:170px;margin-bottom:10px}.formula-body{flex:1;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;min-height:0;display:grid}.formula-solution,.formula-graph-box{border:1px solid var(--border-subtle);border-radius:var(--radius-lg);color:#f8fafc;background:#0b112180;flex-direction:column;gap:10px;padding:12px 14px;display:flex;overflow-y:auto}.formula-step-title{letter-spacing:.04em;text-transform:uppercase;color:#38bdf8;margin-bottom:4px;font-size:.8rem;font-weight:700}.formula-step.is-answer{border-radius:var(--radius-md);background:#10b9811a;border:1px solid #34d39980;padding:8px 10px}.formula-given{color:var(--text-secondary);justify-content:space-between;gap:12px;padding:2px 0;font-size:.9rem;display:flex}.formula-given b{color:#f8fafc;font-family:var(--font-mono);text-align:right;font-weight:600}.formula-given i{color:var(--text-secondary);font-style:normal;font-weight:400}.formula-given.is-ask b{color:#facc15}.formula-alt{text-align:center;color:var(--text-secondary);font-size:.88rem}.formula-note{color:#fde68a;text-align:center;margin-top:6px;font-size:.9rem}.formula-step-actions,.formula-graph-pick{color:var(--text-secondary);flex-wrap:wrap;align-items:center;gap:6px;font-size:.84rem;display:flex}.formula-graph{flex:1;width:100%;min-height:180px}.formula-graph-caption{color:#cbd5e1;font-size:.92rem}.formula-graph-caption b{color:#34d399}@media (width<=1100px){.formula-body{grid-template-columns:1fr}}.app-header{gap:16px}.header-left,.header-right{flex-shrink:0}.app-title-group h1,.app-subtitle,.selector-label,.env-badge,.ctrl-btn{white-space:nowrap}.header-center-selector{flex:0 auto;min-width:0}.header-dropdown-select{text-overflow:ellipsis;min-width:0;max-width:100%}@media (width<=1380px){.app-subtitle,.env-badge{display:none}}@media (width<=1100px){.selector-label{display:none}}@media (width<=860px){body{overflow:auto}.app-header{padding:0 12px}.app-title-group{display:none}}.canvas-main-area{--bg-surface:#0f172ad9;--bg-card:#18223aa6;--bg-card-hover:#1e2945d9;--bg-input:#0b1121cc;--border-subtle:#ffffff1f;--border-hover:#38bdf859;--border-focus:#0ea5e9;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#a3b1c6;--cyan-400:#38bdf8;--cyan-500:#0ea5e9;--blue-500:#3b82f6;--violet-500:#8b5cf6;--emerald-400:#34d399;--emerald-500:#10b981;--amber-400:#fbbf24;--amber-500:#f59e0b;--rose-500:#f43f5e;color:var(--text-primary);background:var(--bg-deep);padding:12px}.canvas-main-area>*{border-radius:var(--radius-lg);background:#0b1121}@media (width<=860px){.canvas-main-area{min-height:85vh}}.app-header,.sidebar,.header-center-selector{-webkit-backdrop-filter:none;backdrop-filter:none}.app-header{border-bottom:1px solid var(--border-subtle);background:#fff;height:64px}.app-root{flex-direction:column;height:100vh;display:flex}.app-workspace{flex:1;height:auto;min-height:0}@media (width<=860px){.app-root{height:auto}}.app-logo{background:var(--accent-soft);box-shadow:none;border-color:#c7d6fb}.app-title-group h1{-webkit-text-fill-color:currentColor;color:var(--text-primary);background:0 0;-webkit-background-clip:border-box;background-clip:border-box;font-size:1.2rem}.header-center-selector{border:2px solid var(--border-subtle);box-shadow:none;border-radius:var(--radius-md);background:#fff;padding:6px 12px}.header-center-selector:hover{border-color:var(--cyan-400);background:#fff}.selector-label{color:var(--text-secondary);font-size:.95rem}.header-dropdown-select{color:var(--text-primary);font-size:1rem}.header-dropdown-select option{color:var(--text-primary);background:#fff}.btn-text-size{font-family:var(--font-sans);cursor:pointer;white-space:nowrap;color:var(--text-primary);border:2px solid var(--border-subtle);border-radius:var(--radius-md);background:#fff;align-items:center;gap:6px;padding:8px 14px;font-size:.95rem;font-weight:700;display:flex}.btn-text-size:hover{border-color:var(--cyan-400);color:var(--cyan-400);background:var(--accent-soft)}.btn-text-size.is-on{background:var(--cyan-400);border-color:var(--cyan-400);color:#fff}.btn-text-size-icon{font-family:Georgia,serif;font-size:1.1rem}.sidebar{background:#fff}.sidebar::-webkit-scrollbar{width:10px}.sidebar::-webkit-scrollbar-thumb{background:#c4c9d2;border-radius:6px}.sidebar-section{gap:14px;padding:18px}.section-title{text-transform:none;letter-spacing:0;font-size:1.05rem}.section-hint{color:var(--text-muted);font-size:.92rem}.context-textarea{border:2px solid var(--border-subtle);padding:12px 14px;font-size:1rem}.context-textarea:focus{border-color:var(--cyan-400);box-shadow:none}.context-textarea::placeholder{color:#6b7280}.context-action-row{margin-top:10px}.btn-generate{background:var(--cyan-400);width:100%;box-shadow:none;justify-content:center;padding:12px 16px;font-size:1.05rem}.btn-generate:hover{box-shadow:none;background:#1e40af;transform:none}.btn-generate:disabled{cursor:wait;background:#6b7280}.catalog-select-row{grid-template-columns:1fr 1fr;gap:10px;display:grid}.catalog-select-row label{color:var(--text-secondary);flex-direction:column;gap:4px;font-size:.9rem;font-weight:600;display:flex}.simple-select{width:100%;font-family:var(--font-sans);color:var(--text-primary);border:2px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;background:#fff;padding:8px 10px;font-size:1rem}.simple-select:focus{border-color:var(--cyan-400);outline:none}.preset-list{gap:8px}.preset-item{border:2px solid var(--border-subtle);box-shadow:none;text-align:left;font-family:var(--font-sans);color:var(--text-primary);gap:2px;width:100%;padding:12px 14px}.preset-item:hover{background:var(--bg-card-hover);border-color:var(--border-hover);transform:none}.preset-item.active{background:var(--accent-soft);border-color:var(--cyan-400);box-shadow:none}.preset-name{font-size:1rem;font-weight:700;line-height:1.35}.preset-meta{color:var(--text-muted);font-size:.88rem}.preset-item.active .preset-name{color:var(--cyan-400)}.preset-empty{color:var(--text-muted);font-size:.95rem}.sidebar-tabs{border-bottom:1px solid var(--border-subtle);background:#f3f4f6;gap:6px;padding:6px}.tab-btn{border-radius:var(--radius-md);color:var(--text-secondary);border:none;padding:10px 6px;font-size:1rem}.tab-btn:hover{color:var(--text-primary);background:#e5e7eb}.tab-btn.active{color:var(--cyan-400);background:#fff;border-bottom-color:#0000;box-shadow:0 1px 3px #0000001f}.param-card{border:2px solid var(--border-subtle);margin-bottom:12px;padding:14px}.param-card:hover{border-color:var(--border-subtle);background:var(--bg-card)}.label-with-val{flex-wrap:wrap;gap:6px;margin-bottom:10px}.param-label-text{font-size:1rem}.param-symbol-badge{background:var(--accent-soft);color:var(--cyan-400);border-color:#c7d6fb;font-size:.9rem}.param-title{color:var(--text-primary);font-size:1rem}.val-display-pill{color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);background:#f3f4f6;padding:2px 10px;font-size:1.15rem}.val-unit{color:var(--text-muted)}.slider-with-steppers{gap:10px}.btn-stepper{border-radius:var(--radius-md);border:2px solid var(--border-subtle);width:44px;height:44px;color:var(--text-primary);background:#fff;font-size:1.4rem}.btn-stepper:hover{background:var(--accent-soft);border-color:var(--cyan-400);color:var(--cyan-400);box-shadow:none}.sidebar input[type=range]{background:#d1d5db;height:8px}.sidebar input[type=range]::-webkit-slider-thumb{background:var(--cyan-400);border:3px solid #fff;width:26px;height:26px;box-shadow:0 1px 3px #0000004d}.sidebar input[type=range]::-moz-range-thumb{background:var(--cyan-400);border:3px solid #fff;width:22px;height:22px}.slider-limits{color:var(--text-muted);margin-top:6px;font-size:.85rem}.btn-export-csv,.btn-share-link{color:var(--text-primary);border:2px solid var(--border-subtle);box-shadow:none;background:#fff;padding:12px 14px;font-size:1rem}.btn-export-csv:hover,.btn-share-link:hover{background:var(--accent-soft);border-color:var(--cyan-400);color:var(--cyan-400);box-shadow:none;transform:none}.formula-item-card,.result-metric-card,.learning-card{box-shadow:none;border:2px solid var(--border-subtle)}.formula-item-card{border-left:5px solid var(--cyan-400);font-size:1.1rem}.formula-item-card:hover,.result-metric-card:hover{box-shadow:none;transform:none}.condition-note-box{color:#7c2d12;background:#fff7ed;border:2px solid #fed7aa;font-size:.95rem}.condition-title{color:#9a3412}.result-symbol-chip{background:var(--accent-soft);color:var(--cyan-400);border-color:#c7d6fb}.result-label-name{color:var(--text-secondary);font-size:.95rem}.metric-number{color:var(--text-primary);text-shadow:none;font-size:1.6rem}.metric-unit{color:var(--text-muted);font-size:1rem}.learning-badge{font-size:.85rem}.learning-title{color:var(--text-primary);font-size:1.05rem}.learning-q{color:var(--text-primary);font-size:1rem}.learning-a{color:var(--text-secondary);border-left-color:var(--border-subtle);background:#f3f4f6;font-size:.95rem}.ai-notice-banner{color:var(--text-primary);background:#eff6ff;border-bottom:2px solid #bfdbfe;padding:12px 20px;font-size:1rem}.ai-notice-banner.is-unsupported{background:#fff7ed;border-bottom-color:#fed7aa}.ai-source-tag{font-size:.85rem}.btn-close-notice{border-radius:var(--radius-md);width:40px;height:40px;color:var(--text-secondary);flex-shrink:0;font-size:1.2rem}.btn-close-notice:hover{background:#0000000f}.ai-suggest-button{font-family:var(--font-sans);color:#fff;background:var(--cyan-400);border-radius:var(--radius-md);cursor:pointer;border:none;margin-top:6px;padding:10px 16px;font-size:1rem;font-weight:700}.ai-suggest-button:hover{background:#1e40af}.ai-busy-spinner{border:3px solid #bfdbfe;border-top-color:var(--cyan-400);border-radius:50%;flex-shrink:0;width:22px;height:22px;animation:.9s linear infinite aiSpin}@keyframes aiSpin{to{transform:rotate(360deg)}}@media (width<=1100px){.btn-text-size-label{display:none}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
