:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Helvetica Neue,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f5f5f5;--bg-tertiary: #ebebeb;--bg-hover: #e0e0e0;--bg-sidebar: #fafafa;--bg-message-user: #138808;--bg-message-assistant: #f0f0f0;--text-primary: #1a1a1a;--text-secondary: #666666;--text-tertiary: #999999;--text-on-accent: #ffffff;--border-primary: #e0e0e0;--border-secondary: #d0d0d0;--accent-primary: #FF9933;--accent-secondary: #138808;--accent-tertiary: #000080;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1)}[data-theme=dark]{--bg-primary: #0a0a0a;--bg-secondary: #1a1a1a;--bg-tertiary: #2a2a2a;--bg-hover: #333333;--bg-sidebar: #121212;--bg-message-user: #1a5c13;--bg-message-assistant: #1e1e1e;--text-primary: #e0e0e0;--text-secondary: #b0b0b0;--text-tertiary: #808080;--text-on-accent: #ffffff;--border-primary: #2a2a2a;--border-secondary: #3a3a3a;--accent-primary: #FF9933;--accent-secondary: #4CAF50;--accent-tertiary: #5C6BC0;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;display:flex;min-width:320px;min-height:100vh;background-color:var(--bg-primary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}#root{width:100%;height:100vh;overflow:hidden}button{font-family:inherit;cursor:pointer;transition:all .2s ease;border:none;background:none}button:hover{opacity:.8}button:active{transform:scale(.98)}input,textarea{font-family:inherit;background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-primary);transition:all .2s ease}input:focus,textarea:focus{outline:none;border-color:var(--accent-primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-secondary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}.logo-gradient{background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 50%,var(--accent-tertiary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-weight:700}.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:998}.sidebar{width:280px;height:100vh;background:var(--bg-sidebar);border-right:1px solid var(--border-primary);display:flex;flex-direction:column;transition:transform .3s ease}.sidebar-header{padding:16px;border-bottom:1px solid var(--border-primary);display:flex;gap:8px;align-items:center}.new-chat-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;background:var(--accent-primary);color:var(--text-on-accent);border-radius:8px;font-weight:500;font-size:14px}.close-sidebar-btn{display:none;padding:8px;color:var(--text-secondary);border-radius:6px}.close-sidebar-btn:hover{background:var(--bg-hover)}.conversations-list{flex:1;overflow-y:auto;padding:8px}.loading-state,.empty-state{padding:24px;text-align:center;color:var(--text-tertiary);font-size:14px}.conversation-item{display:flex;align-items:center;gap:8px;padding:12px;border-radius:8px;cursor:pointer;margin-bottom:4px;transition:background .2s}.conversation-item:hover{background:var(--bg-hover)}.conversation-item.active{background:var(--bg-tertiary)}.conversation-content{flex:1;min-width:0}.conversation-title{font-size:14px;font-weight:500;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-date{font-size:12px;color:var(--text-tertiary);margin-top:2px}.delete-btn{padding:6px;color:var(--text-tertiary);opacity:0;transition:opacity .2s;border-radius:4px}.conversation-item:hover .delete-btn{opacity:1}.delete-btn:hover{color:#f44;background:#ff44441a}.mobile-only{display:none}@media(max-width:768px){.sidebar-overlay{display:block;opacity:0;pointer-events:none;transition:opacity .3s ease}.sidebar-overlay.open{opacity:1;pointer-events:all}.sidebar{position:fixed;top:0;left:0;z-index:999;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.mobile-only{display:block}.close-sidebar-btn{display:flex}}@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:"0.16.25"}.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;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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.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}.message-list{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;max-width:800px;margin:0 auto;text-align:center;padding:48px 24px}.welcome-logo{margin-bottom:24px}.logo-icon{font-size:48px;display:flex;align-items:center;justify-content:center}.welcome-title{font-size:36px;font-weight:700;margin-bottom:12px;background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 50%,var(--accent-tertiary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.welcome-subtitle{font-size:18px;color:var(--text-secondary);margin-bottom:48px}.welcome-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;width:100%;max-width:700px}.feature-card{padding:24px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:12px;transition:transform .2s,box-shadow .2s}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.feature-icon{font-size:32px;margin-bottom:12px}.feature-title{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.feature-desc{font-size:14px;color:var(--text-secondary)}.message{display:flex;gap:16px;max-width:900px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.user{align-self:flex-end;flex-direction:row-reverse}.message-avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-on-accent);font-weight:600}.message.user .message-avatar{background:var(--bg-message-user)}.message.assistant .message-avatar{background:var(--bg-secondary);border:1px solid var(--border-primary)}.message-content{flex:1;min-width:0}.message-text{padding:14px 18px;border-radius:12px;line-height:1.6;word-wrap:break-word}.message-text>*:first-child{margin-top:0}.message-text>*:last-child{margin-bottom:0}.message-text p{margin:.8em 0}.message-text code{font-family:Courier New,Courier,monospace;font-size:.9em;padding:2px 6px;border-radius:4px;background:#0000001a}.message.user .message-text code{background:#fff3}.message-text pre{margin:12px 0;padding:0;border-radius:8px;overflow:hidden}.message-text pre code{background:none;padding:0;border-radius:0;display:block}.message-text ul,.message-text ol{margin:.8em 0;padding-left:24px}.message-text li{margin:.4em 0}.message-text blockquote{margin:12px 0;padding-left:16px;border-left:4px solid var(--border-primary);color:var(--text-secondary)}.message-text table{border-collapse:collapse;margin:12px 0;width:100%}.message-text th,.message-text td{border:1px solid var(--border-primary);padding:8px 12px;text-align:left}.message-text th{background:var(--bg-secondary);font-weight:600}.message-text a{color:var(--accent-primary);text-decoration:underline}.message-text a:hover{opacity:.8}.message-text .katex{font-size:1.1em}.message-text .katex-display{margin:16px 0;overflow-x:auto;overflow-y:hidden}.message-text h1,.message-text h2,.message-text h3,.message-text h4,.message-text h5,.message-text h6{margin-top:1.2em;margin-bottom:.6em;font-weight:600;line-height:1.3}.message-text h1{font-size:1.8em}.message-text h2{font-size:1.5em}.message-text h3{font-size:1.3em}.message-text h4{font-size:1.1em}.message-text h5{font-size:1em}.message-text h6{font-size:.9em}.message-text hr{margin:16px 0;border:none;border-top:1px solid var(--border-primary)}.message.user .message-text{background:var(--bg-message-user);color:var(--text-on-accent)}.message.assistant .message-text{background:var(--bg-message-assistant);color:var(--text-primary);border:1px solid var(--border-primary)}.typing-indicator{display:flex;gap:6px;padding:14px 18px;background:var(--bg-message-assistant);border:1px solid var(--border-primary);border-radius:12px;width:fit-content}.typing-indicator span{width:8px;height:8px;border-radius:50%;background:var(--text-tertiary);animation:typing 1.4s infinite}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typing{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-10px)}}@media(max-width:768px){.message-list{padding:16px}.welcome-title{font-size:28px}.welcome-subtitle{font-size:16px}.welcome-features{grid-template-columns:1fr}.message{max-width:100%}}.message-input-container{border-top:1px solid var(--border-primary);background:var(--bg-primary);padding:16px 24px}.message-input-form{max-width:900px;margin:0 auto;display:flex;gap:12px;align-items:flex-end;background:var(--bg-secondary);border:2px solid var(--border-primary);border-radius:12px;padding:12px;transition:border-color .2s}.message-input-form:focus-within{border-color:var(--accent-primary)}.message-textarea{flex:1;min-height:24px;max-height:200px;padding:0;border:none;background:transparent;resize:none;font-size:15px;line-height:1.6}.message-textarea:focus{outline:none;border:none}.message-textarea::placeholder{color:var(--text-tertiary)}.send-button{width:40px;height:40px;border-radius:8px;background:var(--accent-primary);color:var(--text-on-accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .2s,transform .1s}.send-button:hover:not(:disabled){opacity:.9;transform:scale(1.05)}.send-button:active:not(:disabled){transform:scale(.95)}.send-button:disabled{opacity:.4;cursor:not-allowed}.input-footer{text-align:center;margin-top:12px}.footer-text{font-size:12px;color:var(--text-tertiary)}@media(max-width:768px){.message-input-container{padding:12px 16px}.message-input-form{padding:10px}.message-textarea{font-size:16px}}.settings-overlay{position:fixed;inset:0;background:#00000080;z-index:1000;animation:fadeIn .2s ease}.settings-panel{position:fixed;top:0;right:0;width:100%;max-width:400px;height:100vh;background:var(--bg-primary);border-left:1px solid var(--border-primary);z-index:1001;display:flex;flex-direction:column;animation:slideInRight .3s ease;box-shadow:var(--shadow-lg)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}.settings-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border-primary)}.settings-header h2{font-size:24px;font-weight:700;color:var(--text-primary)}.close-btn{padding:8px;color:var(--text-secondary);border-radius:8px;transition:background .2s}.close-btn:hover{background:var(--bg-hover)}.settings-content{flex:1;overflow-y:auto;padding:24px}.settings-section{margin-bottom:32px}.settings-section h3{font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-tertiary);margin-bottom:16px}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.edit-btn{padding:6px 14px;background:var(--accent-primary);color:var(--text-on-accent);border-radius:8px;font-size:13px;font-weight:600;transition:opacity .2s}.edit-btn:hover{opacity:.9}.settings-item{background:var(--bg-secondary);padding:16px;border-radius:12px;border:1px solid var(--border-primary);margin-bottom:12px}.settings-item label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:8px}.settings-value{font-size:15px;color:var(--text-primary);font-weight:500}.settings-item input{width:100%;padding:10px 12px;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:8px;color:var(--text-primary);font-size:14px;font-family:inherit;transition:border-color .2s}.settings-item input:focus{outline:none;border-color:var(--accent-primary)}.settings-item input:disabled{opacity:.6;cursor:not-allowed}.profile-actions{display:flex;gap:12px;margin-top:20px}.cancel-btn,.save-btn{flex:1;padding:12px 20px;border-radius:8px;font-size:14px;font-weight:600;transition:opacity .2s,transform .1s}.cancel-btn{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-primary)}.cancel-btn:hover:not(:disabled){background:var(--bg-hover)}.save-btn{background:var(--accent-primary);color:var(--text-on-accent)}.save-btn:hover:not(:disabled){opacity:.9}.cancel-btn:active:not(:disabled),.save-btn:active:not(:disabled){transform:scale(.98)}.cancel-btn:disabled,.save-btn:disabled{opacity:.6;cursor:not-allowed}.settings-error{padding:12px 16px;background:#ff44441a;border:1px solid rgba(255,68,68,.3);border-radius:8px;color:#f44;font-size:14px;margin-bottom:16px}.settings-success{padding:12px 16px;background:#22c55e1a;border:1px solid rgba(34,197,94,.3);border-radius:8px;color:#22c55e;font-size:14px;margin-bottom:16px}.theme-selector{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}.theme-option{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 12px;background:var(--bg-tertiary);border:2px solid var(--border-primary);border-radius:10px;color:var(--text-secondary);font-size:14px;font-weight:500;transition:all .2s}.theme-option:hover{border-color:var(--accent-primary);background:var(--bg-hover)}.theme-option.active{border-color:var(--accent-primary);background:var(--accent-primary);color:var(--text-on-accent)}.settings-hint{font-size:12px;color:var(--text-tertiary);margin-top:12px;line-height:1.5}.logout-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;padding:14px 20px;background:#f44;color:#fff;border-radius:10px;font-weight:600;font-size:15px;transition:opacity .2s,transform .1s}.logout-btn:hover:not(:disabled){opacity:.9}.logout-btn:active:not(:disabled){transform:scale(.98)}.logout-btn:disabled{opacity:.6;cursor:not-allowed}@media(max-width:768px){.settings-panel{max-width:100%}.settings-content{padding:20px 16px}.settings-header{padding:16px 20px}}.chat-interface{display:flex;width:100%;height:100vh;overflow:hidden}.main-content{flex:1;display:flex;flex-direction:column;min-width:0}.chat-header{height:64px;border-bottom:1px solid var(--border-primary);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:var(--bg-primary);gap:16px}.menu-btn{display:none;padding:8px;color:var(--text-primary);border-radius:8px}.menu-btn:hover{background:var(--bg-hover)}.header-title{flex:1;display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700}.beta-badge{font-size:12px;font-weight:500;padding:4px 10px;background:var(--bg-tertiary);color:var(--text-secondary);border-radius:12px}.settings-btn{padding:10px;color:var(--text-primary);border-radius:8px;transition:background .2s}.settings-btn:hover{background:var(--bg-hover)}.error-banner{background:#f44;color:#fff;padding:12px 24px;display:flex;align-items:center;justify-content:space-between;font-size:14px;animation:slideDown .3s ease}@keyframes slideDown{0%{transform:translateY(-100%)}to{transform:translateY(0)}}.error-banner button{color:#fff;font-size:24px;padding:0 8px;line-height:1}@media(max-width:768px){.menu-btn{display:flex}.chat-header{padding:0 16px}.header-title{font-size:18px}.beta-badge{display:none}}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg-primary)}.auth-card{width:100%;max-width:420px;padding:48px 40px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:16px;box-shadow:var(--shadow-lg)}.auth-header{text-align:center;margin-bottom:32px}.auth-header h1{font-size:36px;margin-bottom:8px}.auth-subtitle{color:var(--text-secondary);font-size:14px}.auth-form{display:flex;flex-direction:column;gap:20px}.auth-error{padding:12px 16px;background:#ff44441a;color:#f44;border:1px solid rgba(255,68,68,.2);border-radius:8px;font-size:14px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:14px;font-weight:500;color:var(--text-primary)}.form-group input{padding:12px 16px;border-radius:8px;font-size:15px}.form-group input::placeholder{color:var(--text-tertiary)}.auth-submit{margin-top:8px;padding:14px 24px;background:var(--accent-primary);color:var(--text-on-accent);border-radius:8px;font-weight:600;font-size:15px;transition:opacity .2s,transform .1s}.auth-submit:hover:not(:disabled){opacity:.9}.auth-submit:active:not(:disabled){transform:scale(.98)}.auth-submit:disabled{opacity:.6;cursor:not-allowed}.auth-footer{margin-top:24px;text-align:center}.auth-toggle{color:var(--accent-primary);font-size:14px;padding:8px}.auth-toggle:hover:not(:disabled){opacity:.8}.auth-toggle:disabled{opacity:.5;cursor:not-allowed}@media(max-width:480px){.auth-card{padding:32px 24px}.auth-header h1{font-size:28px}}.homepage{min-height:100vh;background:linear-gradient(135deg,#0a0a0a,#1a1a2e);color:#fff;overflow-x:hidden}.homepage-header{position:fixed;top:0;left:0;right:0;z-index:100;background:#0a0a0acc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.1)}.header-content{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.logo-text{display:flex;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700}.logo-gradient{background:linear-gradient(135deg,#f93,#138808,navy);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.flag{font-size:1.5rem}.cta-button-small{padding:.625rem 1.25rem;background:linear-gradient(135deg,#f93,#138808);border:none;border-radius:8px;color:#fff;font-weight:600;cursor:pointer;transition:all .3s ease;font-size:.9rem}.cta-button-small:hover{transform:translateY(-2px);box-shadow:0 8px 20px #ff99334d}.hero-section{padding:8rem 2rem 4rem;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;min-height:90vh}.hero-content{animation:fadeInUp .8s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero-title{font-size:3.5rem;font-weight:800;line-height:1.2;margin-bottom:1.5rem;letter-spacing:-.02em}.gradient-text{background:linear-gradient(135deg,#f93,#138808,navy);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.25rem;line-height:1.6;color:#fffc;margin-bottom:2rem;max-width:540px}.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}.cta-button-large{padding:1rem 2rem;background:linear-gradient(135deg,#f93,#138808);border:none;border-radius:12px;color:#fff;font-weight:600;cursor:pointer;font-size:1.1rem;display:flex;align-items:center;gap:.5rem;transition:all .3s ease}.cta-button-large:hover{transform:translateY(-3px);box-shadow:0 12px 30px #f936}.hero-visual{position:relative;height:500px;animation:fadeInRight 1s ease-out}@keyframes fadeInRight{0%{opacity:0;transform:translate(50px)}to{opacity:1;transform:translate(0)}}.floating-card{position:absolute;background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:1.5rem;display:flex;align-items:center;gap:1rem;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}.card-1{top:50px;left:50px;animation-delay:0s}.card-2{top:200px;right:50px;animation-delay:.5s}.card-3{bottom:100px;left:100px;animation-delay:1s}.card-icon{font-size:2rem}.card-text{font-weight:600;font-size:1rem}.features-section{padding:6rem 2rem;max-width:1200px;margin:0 auto}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:3rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.feature-card{background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:2rem;transition:all .3s ease}.feature-card:hover{background:#ffffff0d;transform:translateY(-5px);border-color:#ff99334d}.feature-icon{font-size:3rem;margin-bottom:1rem;display:block}.feature-title{font-size:1.5rem;font-weight:600;margin-bottom:1rem}.feature-description{color:#ffffffb3;line-height:1.6;font-size:1rem}.capabilities-section{padding:6rem 2rem;max-width:1200px;margin:0 auto;background:#ffffff05;border-radius:24px}.capabilities-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}.capability-item{background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:1.5rem;display:flex;align-items:center;gap:1rem;transition:all .3s ease}.capability-item:hover{background:#ffffff0d;transform:scale(1.05);border-color:#ff99334d}.capability-icon{font-size:2rem}.capability-text{font-weight:500;font-size:1rem}.cta-section{padding:6rem 2rem;max-width:800px;margin:0 auto;text-align:center}.cta-content{background:linear-gradient(135deg,#ff99331a,#1388081a);border:1px solid rgba(255,153,51,.2);border-radius:24px;padding:4rem 2rem}.cta-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem}.cta-subtitle{font-size:1.25rem;color:#fffc;margin-bottom:2rem}.homepage-footer{background:#0000004d;border-top:1px solid rgba(255,255,255,.1);padding:3rem 2rem 1.5rem}.footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-bottom:2rem}.footer-brand p{color:#fff9;margin-top:.5rem}.footer-links{display:flex;gap:4rem}.footer-column h4{margin-bottom:1rem;font-size:1rem;font-weight:600}.footer-column a{display:block;color:#fff9;text-decoration:none;margin-bottom:.5rem;transition:color .3s ease}.footer-column a:hover{color:#f93}.footer-bottom{max-width:1200px;margin:0 auto;padding-top:2rem;border-top:1px solid rgba(255,255,255,.1);text-align:center;color:#ffffff80}@media(max-width:968px){.hero-section{grid-template-columns:1fr;padding-top:6rem}.hero-visual{height:400px}.hero-title{font-size:2.5rem}.features-grid{grid-template-columns:1fr}.footer-content{grid-template-columns:1fr;gap:2rem}.header-content{padding:1rem}.logo-text{font-size:1.25rem}}@media(max-width:640px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.cta-title,.section-title{font-size:1.75rem}.floating-card{padding:1rem}.card-text{font-size:.875rem}}
