*{box-sizing:border-box}:root{--apple-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;--bg-color: #f5f5f7;--bg-card: #ffffff;--text-primary: #1d1d1f;--text-secondary: #86868b;--accent-color: #0066cc;--accent-hover: #0077ed;--border-color: #d2d2d7;--danger-color: #ff3b30;--success-color: #34c759;--radius-lg: 18px;--radius-md: 12px;--radius-sm: 8px;--shadow-sm: 0 2px 8px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.08);--shadow-lg: 0 8px 32px rgba(0,0,0,.12)}body{margin:0;min-width:320px;min-height:100vh;font-family:var(--apple-font);background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;letter-spacing:-.02em}button,input,select{font-family:inherit}a{color:var(--accent-color);text-decoration:none;transition:color .2s ease}a:hover{text-decoration:none;color:var(--accent-hover)}.admin-shell{display:flex;flex-direction:column;height:100vh;background-color:#f5f5f7;color:#1d1d1f;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,SF Pro Display,Helvetica Neue,Arial,sans-serif}.admin-header{height:52px;padding:0 24px;display:flex;justify-content:space-between;align-items:center;background:#ffffffb3;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,.05);position:sticky;top:0;z-index:100}.admin-header-left{display:flex;align-items:center;gap:12px}.admin-logo{height:32px;width:32px;border-radius:8px;object-fit:cover}.admin-title{font-size:15px;font-weight:600;letter-spacing:-.01em}.admin-badge{font-size:11px;font-weight:500;color:#86868b;background:#0000000d;padding:2px 8px;border-radius:6px;margin-left:8px}.admin-header-right{display:flex;align-items:center;gap:16px}.admin-user{font-size:13px;font-weight:500;color:#1d1d1f}.admin-logout-btn{font-size:13px;font-weight:500;color:#ff3b30;background:none;border:none;cursor:pointer;padding:6px 12px;border-radius:8px;transition:background .2s}.admin-logout-btn:hover{background:#ff3b301a}.admin-body{display:flex;flex:1;overflow:hidden}.admin-sidebar{width:240px;padding:24px 12px;background:#fff;border-right:1px solid rgba(0,0,0,.05);display:flex;flex-direction:column;gap:4px}.admin-nav-item{display:flex;align-items:center;gap:12px;padding:10px 16px;border-radius:10px;border:none;background:none;color:#1d1d1f;font-size:14px;font-weight:500;text-align:left;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1)}.admin-nav-item span:first-child{font-size:18px}.admin-nav-item:hover{background:#f5f5f7}.admin-nav-item.active{background:#0071e3;color:#fff}.admin-content{flex:1;padding:40px;overflow-y:auto;background:#f5f5f7}.admin-section{max-width:1200px;margin:0 auto;animation:fadeIn .4s ease-out}.admin-section-title{font-size:28px;font-weight:700;margin-bottom:32px;display:flex;justify-content:space-between;align-items:center;letter-spacing:-.02em}.admin-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:32px}.admin-stat-card{background:#fff;padding:24px;border-radius:20px;box-shadow:0 4px 12px #00000005;display:flex;flex-direction:column;gap:8px;border:1px solid rgba(0,0,0,.03)}.admin-stat-icon{font-size:24px;margin-bottom:4px}.admin-stat-value{font-size:32px;font-weight:700;color:var(--accent, #0071e3);letter-spacing:-.03em}.admin-stat-label{font-size:13px;font-weight:500;color:#86868b;text-transform:uppercase;letter-spacing:.05em}.admin-table-wrap{background:#fff;border-radius:20px;border:1px solid rgba(0,0,0,.05);overflow:hidden;box-shadow:0 4px 12px #00000005}.admin-table{width:100%;border-collapse:collapse;text-align:left}.admin-table th{padding:16px 24px;background:#fbfbfd;font-size:11px;font-weight:600;color:#86868b;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid rgba(0,0,0,.05)}.admin-table td{padding:16px 24px;font-size:14px;color:#1d1d1f;border-bottom:1px solid rgba(0,0,0,.03)}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover td{background-color:#fbfbfd}.role-badge{font-size:11px;font-weight:600;padding:4px 10px;border-radius:20px}.role-badge.admin{background:#5e5ce61a;color:#5e5ce6}.role-badge.user{background:#34c7591a;color:#34c759}.status-badge{font-size:12px;font-weight:700;padding:2px 8px;border-radius:6px}.status-badge.ok{color:#34c759}.status-badge.err{color:#ff3b30}.sidebar-action-btn{background:#0071e3;color:#fff;border:none;padding:8px 16px;border-radius:10px;font-size:13px;font-weight:600;cursor:pointer;transition:opacity .2s}.sidebar-action-btn:hover{opacity:.9}.admin-del-btn{color:#ff3b30;background:none;border:none;font-size:12px;font-weight:600;cursor:pointer;padding:4px 8px;border-radius:6px}.admin-del-btn:hover{background:#ff3b301a}.admin-count-badge{font-size:13px;font-weight:500;color:#86868b;background:#f5f5f7;padding:4px 12px;border-radius:20px}.admin-chart-card{background:#fff;border-radius:20px;padding:24px;border:1px solid rgba(0,0,0,.05);box-shadow:0 4px 12px #00000005}.admin-chart-card h3{font-size:17px;font-weight:600;margin-bottom:24px}.mini-chart{display:flex;align-items:flex-end;gap:8px;height:100px;padding-bottom:8px;border-bottom:1px solid #f5f5f7}.mini-bar{flex:1;background:#0071e3;border-radius:4px 4px 0 0;min-height:4px;transition:height .6s cubic-bezier(.4,0,.2,1)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@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{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.35"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.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;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.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{display:inline-block;width:.12em}.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 .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.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{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.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{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}:root{--primary: #0071e3;--primary-hover: #0077ed;--bg-primary: #ffffff;--bg-secondary: #fbfbfd;--bg-tertiary: #f5f5f7;--border: rgba(0, 0, 0, .08);--text-primary: #1d1d1f;--text-secondary: #86868b;--radius: 20px;--radius-sm: 12px;--shadow: 0 4px 24px rgba(0, 0, 0, .04);--font-sans: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Inter", "Helvetica Neue", sans-serif;--fs-xxl: 48px;--fs-xl: 24px;--fs-lg: 18px;--fs-md: 15px;--fs-sm: 13px;--fs-xs: 11px}body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;color:var(--text-primary);line-height:1.5;letter-spacing:-.01em}input,select,textarea,button{font-family:inherit;font-size:var(--fs-md);color:inherit}.app-logo{height:32px;width:32px;border-radius:8px;box-shadow:0 2px 10px #0000001f;filter:contrast(1.1) brightness(1.02);background:#fff;padding:2px;transition:transform .3s cubic-bezier(.4,0,.2,1)}.nav-toggle-btn.secondary-nav,.text-btn{background:#0000000d;border:1px solid rgba(0,0,0,.05);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:8px 16px;border-radius:10px;font-size:13px;font-weight:500;transition:all .2s;color:var(--text-primary)}.theme-dark .nav-toggle-btn.secondary-nav,.theme-dark .text-btn{background:#ffffff1a;color:#fff}.nav-toggle-btn.secondary-nav:hover,.text-btn:hover{background:#00000014;transform:translateY(-1px)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Helvetica Neue,sans-serif;background:var(--bg-secondary);color:var(--text-primary);-webkit-font-smoothing:antialiased}.app{height:100vh;display:flex;flex-direction:column;overflow:hidden}.app-header{height:64px;background:#fffc;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:0 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);z-index:100;flex-shrink:0}.brand{display:flex;align-items:center;gap:12px;background:#fff6;padding:4px 12px;border-radius:12px}.app-title-text{font-size:18px;font-weight:600}.app-main{flex:1;overflow:hidden;display:flex}.workspace{flex:1;padding:20px;display:flex;overflow:hidden}.layout-container.split-50-50{display:flex;width:100%;height:100%;gap:16px;transition:all .5s cubic-bezier(.4,0,.2,1)}.params-sidebar.compact-form{width:50%;flex:1;background:#ffffffb3;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-right:1px solid var(--border-color);display:flex;flex-direction:column;overflow-y:auto;min-width:400px;transition:all .6s cubic-bezier(.4,0,.2,1)}.sidebar-controls{padding:12px;border-bottom:1px solid var(--border-color);background:#fff;display:flex;gap:8px;position:sticky;top:0;z-index:10}.sidebar-controls .project-list-btn{flex:1;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:10px;padding:10px;font-size:var(--fs-sm);font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer}.sidebar-controls .new-project-quick-btn{width:40px;height:40px;background:var(--primary);color:#fff;border:none;border-radius:10px;font-size:20px;display:flex;align-items:center;justify-content:center;cursor:pointer}.is-analyzing .params-sidebar.compact-form{width:0;max-width:0;min-width:0;padding:0;margin:0;opacity:0;pointer-events:none;border:none;overflow:hidden}.canvas-column.half-width{flex:1;width:50%;min-width:400px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden;transition:all .6s cubic-bezier(.4,0,.2,1)}.results-column.half-width{width:50%;flex:1;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;overflow-y:auto;max-height:calc(100vh - 100px);animation:slideIn .5s cubic-bezier(.4,0,.2,1)}@keyframes slideIn{0%{transform:translate(50px);opacity:0}to{transform:translate(0);opacity:1}}.primary-btn{background:var(--primary);color:#fff;border:none;padding:8px 16px;border-radius:var(--radius-sm);font-weight:500;cursor:pointer;transition:all .2s}.primary-btn:hover{background:var(--primary-hover);transform:scale(1.02)}.primary-btn.large{padding:12px 24px;font-size:16px}.secondary-btn{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);padding:8px 16px;border-radius:var(--radius-sm);cursor:pointer}.text-btn{background:none;border:none;color:var(--primary);cursor:pointer;font-size:14px}.project-form{display:flex;flex-direction:column;height:100%;padding:0;overflow:hidden}.form-tabs{display:flex;background:var(--bg-tertiary);padding:2px;border-radius:12px;margin-bottom:20px}.form-tabs button{flex:1;padding:8px;border:none;background:none;font-size:var(--fs-sm);font-weight:500;border-radius:10px;cursor:pointer;color:var(--text-secondary)}.form-tabs button.active{background:#fff;box-shadow:0 2px 8px #00000014;color:var(--primary);font-weight:600}.tab-content{flex:1;overflow-y:auto;scrollbar-width:none}.tab-content::-webkit-scrollbar{display:none}.form-table{width:100%;border-collapse:collapse;font-size:var(--fs-sm)}.form-table th{padding:8px 4px;text-align:left;color:var(--text-secondary);border-bottom:1px solid var(--bg-tertiary)}.form-table td{padding:8px 4px;border-bottom:1px solid var(--bg-tertiary)}.form-table input,.form-table select{width:100%;padding:6px;border:1px solid var(--border);border-radius:8px;outline:none}.project-drawer-overlay{position:fixed;inset:0;background:#0003;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;opacity:0;visibility:hidden;transition:all .4s}.project-drawer-overlay.show{opacity:1;visibility:visible}.project-drawer{position:absolute;top:0;left:-340px;width:340px;height:100%;background:var(--bg-primary);padding:32px 24px;display:flex;flex-direction:column;transition:transform .4s cubic-bezier(.4,0,.2,1)}.project-drawer-overlay.show .project-drawer{transform:translate(340px)}.drawer-actions{display:flex;flex-direction:column;gap:10px;margin:20px 0}.drawer-action-btn{padding:12px;text-align:left;border-radius:12px;border:1px solid var(--border);background:#fff;cursor:pointer}.drawer-action-btn.primary{background:var(--primary);color:#fff;border:none}.drawer-list{flex:1;overflow-y:auto}.drawer-list li{padding:12px;margin-bottom:8px;border-radius:12px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:background .2s}.drawer-list li:hover{background:var(--bg-tertiary)}.drawer-list li.active{background:#eef7ff;border:1px solid rgba(0,113,227,.1)}.landing{min-height:100vh;background:radial-gradient(circle at 0% 0%,rgba(0,113,227,.05) 0%,transparent 60%),radial-gradient(circle at 100% 100%,rgba(0,113,227,.05) 0%,transparent 60%),linear-gradient(135deg,#fff,#f5f5f7);position:relative;overflow:hidden}.landing:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(0,113,227,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(0,113,227,.03) 1px,transparent 1px);background-size:60px 60px;-webkit-mask-image:radial-gradient(circle at center,black,transparent 85%);mask-image:radial-gradient(circle at center,black,transparent 85%);pointer-events:none}.landing-nav{padding:16px 60px;display:flex;justify-content:space-between;align-items:center;position:relative;z-index:10}.hero{padding:100px 20px 80px;text-align:center;display:flex;flex-direction:column;align-items:center;position:relative;z-index:10}.hero h1{font-size:var(--fs-xxl);font-weight:800;margin-bottom:16px;letter-spacing:-.04em;background:linear-gradient(180deg,#1d1d1f,#434343);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-subtitle{font-size:20px;font-weight:400;color:var(--text-secondary);margin-bottom:32px;max-width:700px;line-height:1.4;letter-spacing:-.01em}.hero-btns{display:flex;gap:20px;justify-content:center}.features-bento{max-width:1200px;margin:0 auto;padding:0 40px 40px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature-card{background:#fff;padding:24px 20px;border-radius:20px;text-align:center;box-shadow:var(--shadow);transition:all .4s cubic-bezier(.4,0,.2,1);border:1px solid rgba(0,0,0,.02);display:flex;flex-direction:column;justify-content:center;min-height:180px;position:relative;overflow:hidden;z-index:1}.feature-card:hover{transform:translateY(-8px);box-shadow:0 16px 32px #00000014}.form-content{flex:1;display:flex;flex-direction:column;overflow:hidden;padding:0}.tab-content{flex:1;overflow-y:auto;padding:16px 20px}.result-section{margin-bottom:32px}.result-table{width:100%;border-collapse:collapse;font-size:13px}.result-table th{padding:12px 8px;text-align:center;background:var(--bg-tertiary);font-weight:600}.result-table td{padding:12px 8px;text-align:center;border-bottom:1px solid var(--border)}.stats-footer{height:40px;background:var(--bg-primary);border-top:1px solid var(--border);display:flex;align-items:center;justify-content:center;gap:32px;flex-shrink:0}.stat-chip{font-size:11px;color:var(--text-secondary)}.stat-chip strong{color:var(--primary);margin-left:4px}.modal-overlay{position:fixed;inset:0;background:#0000004d;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:2000;display:flex;align-items:center;justify-content:center}.modal{background:#fff;padding:48px;border-radius:32px;width:440px;box-shadow:0 30px 80px #0003;display:flex;flex-direction:column;gap:24px}.modal h2{font-size:28px;font-weight:700;letter-spacing:-.02em}.modal form{display:flex;flex-direction:column;gap:20px}.modal input{padding:16px 20px;border:1px solid var(--border);border-radius:14px;font-size:16px;background:var(--bg-tertiary);transition:all .2s}.modal input:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px #0071e31a}.modal .modal-footer{display:flex;flex-direction:column;gap:12px}.modal .close-btn{padding:14px;border-radius:14px;font-size:15px;font-weight:600;transition:all .2s;background:var(--bg-tertiary);color:var(--text-primary);border:none;width:100%}.modal .close-btn:hover{background:#e5e5ea}.pulse{animation:pulseAnim 2s infinite}@keyframes pulseAnim{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.slide-in{animation:slideIn .5s ease-out}.canvas-header{padding:16px 20px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--bg-tertiary)}.canvas-wrapper{flex:1;background:#f2f2f7;position:relative;overflow:hidden}.welcome{flex:1;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at center,#fff,#f5f5f7)}.welcome-content{text-align:center;max-width:600px}.guide-steps{background:#fff;padding:32px;border-radius:24px;box-shadow:var(--shadow);margin-bottom:40px}.data-management-page{animation:fadeIn .4s ease-out;padding:40px;height:100%;overflow-y:auto;background:#f5f5f7}.management-header{max-width:1200px;margin:0 auto 32px;display:flex;justify-content:space-between;align-items:flex-end}.management-title h1{font-size:32px;font-weight:700;margin-bottom:8px;letter-spacing:-.02em}.management-title p{color:var(--text-secondary);font-size:var(--fs-md)}.management-card{max-width:1200px;margin:0 auto 100px;background:#fff;border-radius:24px;box-shadow:0 4px 20px #0000000a;border:1px solid rgba(0,0,0,.05);overflow:hidden}.management-table{width:100%;border-collapse:collapse}.management-table th{padding:16px 24px;text-align:left;background:#fbfbfd;color:var(--text-secondary);font-size:var(--fs-xs);font-weight:600;text-transform:uppercase;letter-spacing:.1em;border-bottom:1px solid var(--border-color)}.management-table td{padding:16px 24px;border-bottom:1px solid var(--border-color);font-size:var(--fs-sm);color:var(--text-primary)}.management-table tr:hover{background:#fafafa}.management-table tr.selected{background:#f0f7ff}.checkbox-custom{width:18px;height:18px;border-radius:4px;border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.checkbox-custom.checked{background:var(--primary);border-color:var(--primary)}.checkbox-custom.checked:after{content:"✓";color:#fff;font-size:12px}.action-bar-floating{position:fixed;bottom:40px;left:50%;transform:translate(-50%);background:#1d1d1fe6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);padding:12px 24px;border-radius:20px;display:flex;align-items:center;gap:24px;color:#fff;z-index:100;box-shadow:0 20px 40px #0003;animation:slideUp .4s cubic-bezier(.18,.89,.32,1.28)}@keyframes slideUp{0%{transform:translate(-50%,60px);opacity:0}to{transform:translate(-50%);opacity:1}}@media print{html,body{background:#fff!important;height:auto!important;overflow:visible!important}.app-header,.landing-nav,.project-drawer,.params-sidebar,.canvas-column,.stats-footer,.hero-btns,.landing:before{display:none!important}.app-main,.workspace,.layout-container{display:block!important;padding:0!important;margin:0!important;overflow:visible!important;height:auto!important}.results-column{width:100%!important;display:block!important;padding:0!important;box-shadow:none!important;overflow:visible!important;height:auto!important}.results-column.half-width{width:100%!important;max-height:none!important}.result-panel{padding:0!important;width:210mm;margin:auto}.result-section{page-break-inside:avoid;margin-bottom:20px}.primary-btn,.secondary-btn,.text-btn,.action-bar-floating{display:none!important}}