@font-face{font-family:New Computer Modern;src:url(/fonts/NewCM10-Regular.woff2)format("woff2");font-weight:400;font-style:normal;font-display:swap}@font-face{font-family:New Computer Modern;src:url(/fonts/NewCM10-Bold.woff2)format("woff2");font-weight:700;font-style:normal;font-display:swap}@font-face{font-family:New Computer Modern;src:url(/fonts/NewCM10-Italic.woff2)format("woff2");font-weight:400;font-style:italic;font-display:swap}@font-face{font-family:New Computer Modern;src:url(/fonts/NewCM10-BoldItalic.woff2)format("woff2");font-weight:700;font-style:italic;font-display:swap}:root{--font-family:-apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-math:"New Computer Modern", "Latin Modern Roman", serif;--font-diagram:"New Computer Modern", "Latin Modern Roman", serif;--font-mono:"SF Mono", ui-monospace, Menlo, Consolas, monospace;--stage:#0b0f16;--panel:#111721;--sunk:#0e131b;--raised:#1b2430;--txt:#e9eef6;--dim:#98a6bb;--faint:#6f7f95;--line:#1b2431;--line-2:#26313f;--accent:#3b82f6;--accent-hover:#60a5fa;--bg-color:var(--stage);--text-primary:var(--txt);--text-secondary:var(--dim);--surface-color:var(--panel);--surface-border:var(--line);--glass-blur:blur(20px);--accent-blue:var(--accent);--accent-blue-hover:var(--accent-hover);--shadow-sm:0 2px 4px #0000000a;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 12px 24px #0000001f;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;--text-xs:11px;--text-sm:14px;--text-base:16px;--text-lg:18px;--text-xl:24px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);font-size:var(--text-sm);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;width:100vw;height:100vh;margin:0;padding:0;line-height:1.5;display:flex;overflow:hidden}#root{width:100%;height:100%;display:flex}button{cursor:pointer;font-family:inherit;font-size:var(--text-sm);background:0 0;border:none;transition:all .2s}input{font-family:inherit}.glass{background:var(--surface-color);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--surface-border)}.transparent-checkerboard{background-color:#fff;background-image:linear-gradient(45deg,#e5e5e5 25%,#0000 25% 75%,#e5e5e5 75%,#e5e5e5),linear-gradient(45deg,#e5e5e5 25%,#0000 25% 75%,#e5e5e5 75%,#e5e5e5);background-position:0 0,10px 10px;background-size:20px 20px}.canvas-wrapper.light{background-color:#fff}.canvas-wrapper.dark{background-color:#1c1c1e}.app-container{background-color:var(--stage);width:100vw;height:100vh;display:flex;overflow:hidden}.app-sidebar{background-color:var(--panel);width:152px;color:var(--txt);border-right:1px solid var(--line);z-index:20;flex-direction:column;flex:none;display:flex}.sidebar-logo{padding:16px 14px 14px}.sidebar-logo h1{letter-spacing:-.01em;font-size:14px;font-weight:650;display:block}.sidebar-logo span{color:var(--faint);letter-spacing:.01em;margin-top:1px;font-size:10px;display:block}.sidebar-nav{flex:1;padding:4px 8px 18px;overflow-y:auto}.nav-group+.nav-group{border-top:1px solid var(--line);margin-top:14px;padding-top:14px}.nav-button{width:100%;color:var(--dim);text-align:left;border-radius:7px;align-items:center;gap:10px;padding:7px 9px;font-size:13px;transition:background-color .15s,color .15s;display:flex;position:relative}.nav-button:hover{background-color:var(--sunk);color:var(--txt)}.nav-button.active{color:var(--txt);background-color:#3b82f629;font-weight:560}.nav-button.active:before{content:"";background:var(--accent);border-radius:0 2px 2px 0;width:2px;position:absolute;top:6px;bottom:6px;left:-8px}.tool-icon{stroke:currentColor;fill:none;stroke-width:1.3px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:16px;height:16px}.tool-middle-pane{background-color:var(--panel);min-width:0;color:var(--txt);border-right:1px solid var(--line);z-index:10;flex-direction:column;flex:0 0 400px;display:flex}.tool-container{flex:1;display:flex;position:relative;overflow:hidden}.coming-soon{color:var(--dim);flex-direction:column;flex:1;justify-content:center;align-items:center;display:flex}.coming-soon h2{color:var(--txt);margin-bottom:8px}.canvas-header{background:var(--panel);border-bottom:1px solid var(--line);z-index:5;align-items:center;gap:10px;padding:11px 18px;display:flex;position:relative}.canvas-meta{font-family:var(--font-diagram);color:var(--dim);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-style:italic;overflow:hidden}.canvas-spacer{flex:1}.swatches{border-right:1px solid var(--line);align-items:center;gap:5px;padding-right:10px;display:flex}.swatch{cursor:pointer;border:1px solid #ffffff2e;border-radius:50%;width:15px;height:15px;padding:0}.swatch.is-on{box-shadow:0 0 0 2px var(--panel), 0 0 0 3.5px var(--txt)}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.segmented{background:var(--sunk);border-radius:9px;gap:2px;padding:3px;display:flex}.segmented button{color:var(--dim);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:7px;padding:6px 12px;font-size:12px;font-weight:530}.segmented button:hover{color:var(--txt)}.segmented button.is-on{background:var(--raised);color:var(--txt);font-weight:620}.action-btn{border:1px solid var(--line-2);background:var(--sunk);color:var(--txt);cursor:pointer;white-space:nowrap;border-radius:8px;padding:7px 13px;font-size:12.5px;font-weight:560}.action-btn:hover:not(:disabled){background:var(--raised)}.action-btn.go{background:var(--accent);color:#07142c;border-color:var(--accent);font-weight:640}.action-btn.go:hover:not(:disabled){background:var(--accent-hover)}.action-btn:disabled{opacity:.6;cursor:default}.export-error{color:#ff8a80;z-index:40;background:#2a1618;border:1px solid #ff3b3073;border-radius:8px;align-items:flex-start;gap:8px;max-width:420px;margin:0;padding:9px 11px;font-size:11.5px;line-height:1.45;display:flex;position:absolute;top:calc(100% + 8px);right:18px;box-shadow:0 12px 28px -12px #000c}.export-error button{color:inherit;cursor:pointer;opacity:.75;background:0 0;border:none;flex:none;font-size:14px;line-height:1}.export-error button:hover{opacity:1}.library-search{border-bottom:1px solid #ffffff14;align-items:center;gap:8px;padding:10px 14px;display:flex}.library-search svg{width:14px;height:14px;stroke:var(--faint);fill:none;stroke-width:1.5px;stroke-linecap:round;flex:none}.library-search input{min-width:0;color:var(--txt);background:0 0;border:none;outline:none;flex:1;font-size:13px}.library-search input::placeholder{color:var(--faint)}.library-search input::-webkit-search-cancel-button{display:none}.library-clear{width:20px;height:20px;color:var(--dim);cursor:pointer;background:0 0;border:none;border-radius:5px;flex:none;font-size:15px;line-height:1}.library-clear:hover{color:var(--txt);background:#ffffff14}.library-jump{scrollbar-width:none;border-bottom:1px solid #ffffff14;gap:4px;padding:8px 14px;display:flex;overflow-x:auto;-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 26px),#0000);mask-image:linear-gradient(90deg,#000 calc(100% - 26px),#0000)}.library-jump::-webkit-scrollbar{display:none}.library-jump button{color:var(--dim);cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #ffffff1f;border-radius:999px;flex:none;padding:4px 10px;font-size:11.5px;font-weight:500}.library-jump button:hover{color:var(--txt);border-color:#ffffff47}.component-library-content{flex:1;padding:0 14px 16px;overflow-y:auto}.library-section{margin-bottom:14px}.library-section h4{z-index:1;font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--faint);background:#1c1c1e;margin:0 -14px 8px;padding:10px 14px 6px;font-size:9px;font-weight:600;position:sticky;top:0}.component-grid{grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:6px;display:grid}.component-btn{color:var(--txt);cursor:pointer;background:#ffffff08;border:1px solid #ffffff12;border-radius:6px;flex-direction:column;align-items:center;gap:3px;padding:7px 3px 6px;display:flex}.component-btn:hover{background:#ffffff14;border-color:#ffffff38}.component-icon{display:block}.component-name{text-align:center;color:var(--dim);overflow-wrap:anywhere;font-size:9.5px;line-height:1.15}.library-empty{color:var(--dim);padding:24px 4px;font-size:12.5px}.library-hint{color:var(--faint);margin-top:4px;font-size:11px;line-height:1.6}.tool-right-pane{background-color:var(--bg-color);flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.export-btn{background:var(--surface-color);color:var(--text-primary);border:1px solid var(--surface-border);cursor:pointer;white-space:nowrap;border-radius:6px;padding:4px 12px;font-size:11px;font-weight:500}.export-btn.primary{background:var(--accent-blue);color:#fff;border:none}.export-btn.primary:hover{background:var(--accent-blue-hover)}.canvas-main{background-color:var(--bg-color);flex:1;justify-content:center;align-items:stretch;padding:0;display:flex}.canvas-wrapper{flex:1;justify-content:stretch;align-items:stretch;width:100%;height:100%;display:flex}.mathjax-container{flex:1;justify-content:center;align-items:center;min-width:600px;min-height:300px;padding:60px 100px;font-size:28px;display:flex}.equation-drawer{background:var(--panel);border:1px solid var(--line-2);z-index:30;border-radius:14px;flex-direction:column;width:428px;display:flex;position:absolute;top:14px;bottom:14px;left:14px;overflow:hidden;box-shadow:0 2px 6px #00000059,0 30px 60px -24px #000000d9}.drawer-head{justify-content:space-between;align-items:center;padding:15px 16px 4px;display:flex}.drawer-head h3{letter-spacing:-.01em;color:var(--txt);font-size:16px;font-weight:640}.drawer-close{width:26px;height:26px;color:var(--faint);cursor:pointer;background:0 0;border:none;border-radius:7px;place-items:center;display:grid}.drawer-close:hover{background:var(--raised);color:var(--txt)}.drawer-close svg{stroke:currentColor;fill:none;stroke-width:1.6px;stroke-linecap:round;width:13px;height:13px}.drawer-reopen{z-index:30;border:1px solid var(--line-2);background:var(--panel);color:var(--txt);cursor:pointer;border-radius:10px;align-items:center;gap:8px;padding:9px 14px;font-size:12.5px;font-weight:560;display:inline-flex;position:absolute;top:14px;left:14px;box-shadow:0 12px 28px -14px #000c}.drawer-reopen:hover{background:var(--raised)}.drawer-reopen svg{stroke:currentColor;fill:none;stroke-width:1.4px;stroke-linecap:round;width:15px;height:15px}.palette-search{background:var(--sunk);border-radius:10px;align-items:center;gap:9px;margin:10px 16px 12px;padding:9px 12px;display:flex}.palette-search svg{width:14px;height:14px;stroke:var(--faint);fill:none;stroke-width:1.5px;stroke-linecap:round;flex:none}.palette-search input{min-width:0;color:var(--txt);background:0 0;border:none;outline:none;flex:1;font-size:13px}.palette-search input::placeholder{color:var(--faint)}.palette-search input::-webkit-search-cancel-button{display:none}.palette-clear{width:20px;height:20px;color:var(--dim);cursor:pointer;background:0 0;border:none;border-radius:5px;flex:none;font-size:15px;line-height:1}.palette-clear:hover{background:var(--raised);color:var(--txt)}.drawer-body{flex:1;min-height:0;display:flex}.palette-rail{scrollbar-width:none;flex-direction:column;flex:none;gap:1px;width:118px;padding:0 8px 12px 12px;display:flex;overflow-y:auto}.palette-rail::-webkit-scrollbar{display:none}.palette-rail button{color:var(--dim);text-align:left;cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:8px;align-items:center;gap:8px;padding:7px 10px;font-size:12.5px;display:flex}.palette-rail button:hover{background:var(--raised);color:var(--txt)}.palette-rail button svg{stroke:currentColor;fill:none;stroke-width:1.3px;stroke-linecap:round;flex:none;width:14px;height:14px}.palette-content{flex:1;min-width:0;padding:0 14px 16px 4px;overflow-y:auto}.palette-section{margin-bottom:16px}.palette-heading{z-index:1;background:var(--panel);color:var(--faint);letter-spacing:.01em;margin:0 0 8px;padding:4px 0 6px;font-size:11px;font-weight:560;position:sticky;top:0}.symbol-grid{flex-wrap:wrap;gap:2px;display:flex}.symbol-btn{min-width:34px;height:34px;color:var(--txt);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;padding:0 6px;font-size:12px;display:flex}.symbol-btn:hover{background:var(--raised)}.symbol-btn:active{background:#3b82f638}.symbol-btn mjx-container{pointer-events:none;margin:0!important}.palette-empty{color:var(--dim);padding:20px 4px;font-size:12.5px;line-height:1.6}.palette-empty code{font-family:var(--font-mono);background:var(--sunk);border-radius:4px;padding:1px 5px;font-size:11.5px}.smart-input-bar{background:var(--sunk);flex:none;align-items:flex-start;gap:10px;padding:12px 16px 14px;display:flex}.latex-input{background:var(--panel);color:var(--txt);font-family:var(--font-mono);resize:none;border:none;border-radius:9px;outline:none;flex:1;min-height:38px;max-height:200px;padding:9px 12px;font-size:13px;line-height:1.45;overflow-y:auto}.latex-input:focus{box-shadow:0 0 0 1px var(--accent)}.smart-toggle{background:var(--panel);color:var(--dim);cursor:pointer;white-space:nowrap;border:none;border-radius:9px;flex:none;align-self:stretch;align-items:center;gap:8px;padding:0 12px 0 10px;font-size:12px;font-weight:530;display:inline-flex}.smart-toggle .switch{background:var(--line-2);border-radius:999px;width:26px;height:15px;transition:background .15s;position:relative}.smart-toggle .switch:after{content:"";background:var(--dim);border-radius:50%;width:11px;height:11px;transition:transform .15s,background .15s;position:absolute;top:2px;left:2px}.smart-toggle.active{color:var(--txt)}.smart-toggle.active .switch{background:var(--accent)}.smart-toggle.active .switch:after{background:#fff;transform:translate(11px)}