:root{color-scheme:dark;--bg-base: #0e0e10;--bg-panel: #141416;--bg-raised: #1a1a1e;--bg-hover: #222228;--bg-active: #28282f;--bg-canvas: #0a0a0c;--border: #252529;--border-mid: #303036;--border-focus: #4f8ef5;--text-primary: #eaeaec;--text-secondary: #8a8a94;--text-tertiary: #4e4e58;--text-disabled: #333338;--accent: #4f8ef5;--accent-hover: #6ba3f7;--accent-dim: rgba(79, 142, 245, .12);--accent-warm: #f07030;--accent-green: #3fbf6e;--accent-red: #ef4444;--cat-source: #4f8ef5;--cat-value: #3fbf6e;--cat-operator: #f07030;--cat-function: #3fb6bf;--cat-aggregate: #7c5cbf;--font-ui: "Sora", system-ui, sans-serif;--font-mono: "IBM Plex Mono", "Courier New", monospace;--font-display: "Quicksand", "Sora", system-ui, sans-serif;--toolbar-h: 44px;--panel-header-h: 36px;--radius: 5px;--radius-sm: 3px}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{font-family:var(--font-ui);font-size:13px;line-height:1.5;color:var(--text-primary);background:var(--bg-base);-webkit-font-smoothing:antialiased;overflow:hidden}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-mid);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#454550}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.workspace{display:flex;flex:1;overflow:hidden;min-height:0}.canvas-column{flex:1;display:flex;flex-direction:column;min-width:0;overflow:hidden}.toolbar{display:flex;align-items:center;gap:8px;height:var(--toolbar-h);padding:0 12px;background:var(--bg-panel);border-bottom:1px solid var(--border);flex-shrink:0;z-index:100}.toolbar-brand{display:flex;align-items:center;gap:8px}.toolbar-logo{font-weight:700;font-size:14px;letter-spacing:.08em;color:var(--text-primary)}.toolbar-logo span{color:var(--accent)}.toolbar-divider{width:1px;height:20px;background:var(--border-mid);flex-shrink:0}.toolbar-center{display:flex;align-items:center;gap:4px;margin:0 auto}.toolbar-right{display:flex;align-items:center;gap:6px;margin-left:auto}.save-hint{font-size:11px;color:var(--text-tertiary);font-family:var(--font-mono);white-space:nowrap;-webkit-user-select:none;user-select:none}.save-hint.saved{color:var(--accent-green)}.btn{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:var(--radius-sm);border:1px solid transparent;font-size:12px;font-family:var(--font-ui);font-weight:500;cursor:pointer;transition:background .12s,border-color .12s,color .12s;white-space:nowrap;outline:none;background:transparent;color:var(--text-secondary)}.btn:hover{background:var(--bg-hover);color:var(--text-primary)}.btn:active{background:var(--bg-active)}.btn:disabled{opacity:.4;cursor:default}.btn:disabled:hover{background:transparent;color:var(--text-secondary)}.btn-ghost{background:transparent;border-color:var(--border);color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-mid)}.btn-icon{padding:5px 7px;border-color:var(--border);font-size:14px;line-height:1;min-width:28px;justify-content:center}.btn-danger{color:#ef8585;border-color:#ef44444d}.btn-danger:hover{background:#ef44441a;color:#ff9d9d;border-color:#ef444480}.zoom-display{padding:4px 10px;background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-mono);font-size:12px;color:var(--text-secondary);min-width:54px;text-align:center;cursor:default}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:0 12px;height:var(--panel-header-h);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-tertiary);border-bottom:1px solid var(--border);flex-shrink:0}.panel-header-count{background:var(--bg-raised);color:var(--text-secondary);font-size:10px;font-weight:500;padding:1px 8px;border-radius:10px;font-family:var(--font-mono);text-transform:none;letter-spacing:0}.resize-edge{position:absolute;top:0;bottom:0;width:5px;cursor:col-resize;z-index:60}.resize-edge-right{right:-2px}.resize-edge-left{left:-2px}.resize-edge:hover{background:var(--accent-dim)}.palette{height:100%;display:flex;flex-direction:column;background:var(--bg-panel);border-right:1px solid var(--border);overflow:hidden}.palette-list{flex:1;overflow-y:auto;padding:8px}.palette-group{margin-bottom:12px}.palette-group-title{display:flex;align-items:center;gap:7px;font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:2px 6px 5px}.palette-group-marker{width:3px;height:11px;border-radius:2px;flex-shrink:0}.palette-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:var(--radius-sm);border:1px solid transparent;border-left:2px solid color-mix(in srgb,var(--cat-color) 35%,transparent);font-size:12px;color:var(--text-secondary);cursor:grab;-webkit-user-select:none;user-select:none;transition:background .1s,color .1s,border-color .1s}.palette-item:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border);border-left-color:var(--cat-color)}.palette-item:active{cursor:grabbing}.palette-icon{width:16px;text-align:center;font-size:13px;flex-shrink:0}.palette-footer{padding:10px 12px;border-top:1px solid 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translateY(0)}}.inspector{height:100%;display:flex;flex-direction:column;background:var(--bg-panel);border-left:1px solid var(--border);overflow:hidden}.inspector-body{flex:1;overflow-y:auto;padding:12px}.insp-field{display:flex;flex-direction:column;gap:4px;margin-bottom:10px}.insp-label{font-size:10.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--text-tertiary)}.prop-input{background:var(--bg-raised);border:1px solid var(--border-mid);border-radius:var(--radius-sm);color:var(--text-primary);padding:5px 8px;font-size:12px;font-family:inherit;outline:none;width:100%;transition:border-color .12s}.prop-input:hover{border-color:#45454e}.prop-input:focus{border-color:var(--accent)}.prop-input[type=number]::-webkit-outer-spin-button,.prop-input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.prop-input[type=number]{-moz-appearance:textfield;-webkit-appearance:textfield;appearance:textfield}.insp-note{font-size:11px;color:var(--text-tertiary);line-height:1.55;margin-top:8px}.insp-type-row{display:flex;gap:8px;align-items:flex-start;margin-bottom:12px}.insp-type-dot{width:8px;height:8px;border-radius:50%;margin-top:4px;flex-shrink:0}.insp-type-hint{font-size:11px;color:var(--text-secondary);line-height:1.5}.insp-readout{margin:10px 0;font-family:var(--font-mono);font-size:20px;font-weight:600;color:var(--text-primary);background:var(--bg-raised);border:1px solid var(--border);border-radius:var(--radius);padding:10px 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a:hover{color:var(--accent-hover);text-decoration:underline}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.gate{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:var(--bg-base);padding:20px}.gate-card{width:min(340px,92vw);display:flex;flex-direction:column;gap:10px;background:var(--bg-panel);border:1px solid var(--border-mid);border-radius:10px;box-shadow:0 18px 60px #0009;padding:26px 24px;text-align:center}.gate-logo{font-weight:700;font-size:20px;letter-spacing:.08em;color:var(--text-primary);margin-bottom:2px}.gate-logo span{color:var(--accent)}.gate-title{font-size:14px;font-weight:600;color:var(--text-primary)}.gate-sub{font-size:12px;color:var(--text-secondary);margin-bottom:6px}.gate-input{width:100%;background:var(--bg-canvas);border:1px solid 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.calc-history{max-height:30vh}.calc-preview{display:flex;flex-direction:column;align-items:flex-end;justify-content:center;min-height:72px;gap:2px}.calc-preview-expr{font-family:var(--font-mono);font-size:11px;color:var(--text-tertiary);height:14px;white-space:nowrap;overflow:hidden}.calc-preview-value{font-family:var(--font-display);font-size:34px;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.calc-preview-hint{font-size:10px;color:var(--accent);letter-spacing:.04em}.canvas-area.connecting{cursor:crosshair}