@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";.dimension-overlay{position:absolute;inset:0;pointer-events:none;z-index:50}.dimension-label{position:absolute;transform:translate(-50%,-50%);display:flex;align-items:center;gap:4px;background:#000000d9;padding:3px 8px;border-radius:4px;font-family:var(--font-mono);font-size:11px;white-space:nowrap;border:1px solid;box-shadow:0 2px 8px #0006}.dimension-length{border-color:var(--accent-primary);color:var(--accent-primary)}.dimension-radius{border-color:var(--accent-sketch);color:var(--accent-sketch)}.dimension-angle{border-color:var(--success);color:var(--success)}.dim-icon{font-size:12px;opacity:.8}.dim-value{font-weight:600}.point-handles-overlay{position:absolute;inset:0;pointer-events:none;z-index:60}.point-handle{position:absolute;transform:translate(-50%,-50%);width:10px;height:10px;border-radius:50%;background:var(--bg-primary);border:2px solid var(--accent-primary);cursor:pointer;pointer-events:auto;transition:all .15s ease;box-shadow:0 0 4px #00000080}.point-handle:hover,.point-handle.hovered{width:14px;height:14px;background:var(--accent-primary);border-color:#fff;box-shadow:0 0 8px var(--accent-primary-glow)}.point-handle.selected{background:var(--accent-sketch);border-color:var(--accent-sketch)}.point-handle.selected:hover{background:#fff;border-color:var(--accent-sketch)}.point-handle.point-selected{width:14px;height:14px;background:#0f8;border-color:#fff;box-shadow:0 0 12px #0f8c;z-index:1}.point-handle.entity-selected{background:var(--accent-sketch);border-color:var(--accent-sketch)}.point-handle.origin-point{width:12px;height:12px;background:#f66;border:2px solid #ffaaaa;box-shadow:0 0 8px #f669}.point-handle.origin-point:hover,.point-handle.origin-point.hovered{width:16px;height:16px;background:#f44;border-color:#fff;box-shadow:0 0 12px #ff4444e6}.point-handle.origin-point.point-selected{width:16px;height:16px;background:#0f8;border-color:#fff;box-shadow:0 0 14px #00ff88e6}.point-tooltip{position:absolute;bottom:100%;left:50%;transform:translate(-50%);margin-bottom:8px;background:#000000e6;color:var(--accent-primary);font-family:var(--font-mono);font-size:10px;padding:3px 6px;border-radius:4px;white-space:nowrap;pointer-events:none;border:1px solid var(--accent-primary)}.snap-indicator-overlay{position:absolute;inset:0;pointer-events:none;z-index:70}.snap-indicator{position:absolute;transform:translate(-50%,-50%);width:20px;height:20px}.snap-indicator--endpoint .snap-ring{position:absolute;inset:0;border:2px solid var(--success);border-radius:50%;animation:snap-pulse .8s ease-in-out infinite}.snap-indicator--endpoint .snap-crosshair-h,.snap-indicator--endpoint .snap-crosshair-v{position:absolute;background:var(--success)}.snap-indicator--endpoint .snap-crosshair-h{width:100%;height:2px;top:50%;left:0;transform:translateY(-50%)}.snap-indicator--endpoint .snap-crosshair-v{width:2px;height:100%;top:0;left:50%;transform:translate(-50%)}.snap-indicator--midpoint .snap-triangle{position:absolute;inset:2px;clip-path:polygon(50% 0%,0% 100%,100% 100%);background:#f59e0b;animation:snap-pulse .8s ease-in-out infinite}.snap-indicator--center .snap-ring--center{position:absolute;inset:0;border:2px solid #d946ef;border-radius:50%;animation:snap-pulse .8s ease-in-out infinite}.snap-indicator--center .snap-crosshair--center{position:absolute;background:#d946ef}.snap-indicator--center .snap-crosshair-h{width:100%;height:2px;top:50%;left:0;transform:translateY(-50%)}.snap-indicator--center .snap-crosshair-v{width:2px;height:100%;top:0;left:50%;transform:translate(-50%)}.snap-indicator--quadrant .snap-diamond{position:absolute;inset:2px;background:#22d3ee;transform:rotate(45deg);animation:snap-pulse .8s ease-in-out infinite}.snap-indicator--perpendicular .snap-perpendicular{position:absolute;inset:4px;border:2px solid #60a5fa;border-radius:0;animation:snap-pulse .8s ease-in-out infinite}.snap-ring{position:absolute;inset:0;border:2px solid var(--success);border-radius:50%;animation:snap-pulse .8s ease-in-out infinite}.snap-crosshair-h,.snap-crosshair-v{position:absolute;background:var(--success)}.snap-crosshair-h{width:100%;height:2px;top:50%;left:0;transform:translateY(-50%)}.snap-crosshair-v{width:2px;height:100%;top:0;left:50%;transform:translate(-50%)}@keyframes snap-pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.3);opacity:.7}}.dimension-dialog{position:fixed;z-index:10000;background:linear-gradient(135deg,#1e1e2dfa,#141423fa);border:1px solid rgba(96,165,250,.4);border-radius:8px;box-shadow:0 8px 32px #00000080,0 0 20px #60a5fa26;backdrop-filter:blur(10px);padding:8px;min-width:160px;animation:dimension-dialog-appear .15s ease-out}@keyframes dimension-dialog-appear{0%{opacity:0;transform:scale(.9) translateY(-5px)}to{opacity:1;transform:scale(1) translateY(0)}}.dimension-dialog-header{display:flex;align-items:center;gap:6px;padding-bottom:6px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:8px}.dimension-type-icon{font-size:14px}.dimension-type-label{font-size:12px;font-weight:600;color:#94a3b8;text-transform:uppercase;letter-spacing:.5px}.dimension-dialog-content{display:flex;gap:6px;align-items:center}.dimension-input{flex:1;background:#0000004d;border:1px solid rgba(96,165,250,.3);border-radius:4px;padding:8px 10px;color:#fff;font-size:14px;font-weight:500;min-width:80px;outline:none;transition:border-color .2s,box-shadow .2s}.dimension-input:focus{border-color:#60a5fab3;box-shadow:0 0 8px #60a5fa4d}.dimension-input::-webkit-inner-spin-button,.dimension-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.dimension-dialog-buttons{display:flex;gap:4px}.dimension-btn{width:28px;height:28px;border-radius:4px;border:none;cursor:pointer;font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;transition:all .15s}.dimension-btn-apply{background:#4ade8033;color:#4ade80;border:1px solid rgba(74,222,128,.3)}.dimension-btn-apply:hover{background:#4ade804d;border-color:#4ade8080;transform:scale(1.05)}.dimension-btn-cancel{background:#ef444433;color:#ef4444;border:1px solid rgba(239,68,68,.3)}.dimension-btn-cancel:hover{background:#ef44444d;border-color:#ef444480;transform:scale(1.05)}.inline-dimension-input-container{position:absolute;z-index:10000;pointer-events:auto;transform:translate(-50%,-50%);animation:inline-input-appear .1s ease-out}@keyframes inline-input-appear{0%{opacity:0;transform:translate(-50%,-50%) scale(.8)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.inline-dimension-input{background:#141423f2;border:2px solid #3b82f6;border-radius:4px;padding:4px 8px;color:#fff;font-size:14px;font-weight:600;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,sans-serif;width:70px;text-align:center;outline:none;box-shadow:0 2px 10px #00000080,0 0 15px #3b82f64d}.inline-dimension-input:focus{border-color:#60a5fa;box-shadow:0 2px 12px #0009,0 0 20px #60a5fa66}.inline-dimension-input::-webkit-inner-spin-button,.inline-dimension-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.inline-dimension-input::placeholder{color:#fff6}.sketch-view-rotation{position:absolute;top:16px;right:16px;z-index:120;display:flex;flex-direction:column;gap:8px;padding:10px;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);color:var(--text-primary);pointer-events:auto;width:170px}.sketch-view-rotation.minimized{padding:6px 8px;width:auto}.svr-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.svr-title{font-size:var(--font-size-xs);color:var(--text-secondary);letter-spacing:.08em;text-transform:uppercase}.svr-actions{display:flex;gap:6px}.svr-action,.svr-toggle{border:1px solid var(--border-default);background:var(--bg-surface);color:var(--text-primary);border-radius:var(--radius-sm);padding:4px 6px;font-size:var(--font-size-xs);cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast)}.svr-action:hover,.svr-toggle:hover{border-color:var(--border-strong);background:var(--bg-hover)}.svr-visual{display:flex;align-items:center;justify-content:center}.svr-ring{stroke:var(--accent-sketch);opacity:.35}.svr-handle{fill:var(--accent-sketch);transform-box:fill-box;transform-origin:center;transition:transform var(--transition-fast)}.svr-handle.active{transform:scale(1.1)}.svr-center{fill:#ffffff80}.svr-input-row{display:grid;grid-template-columns:auto 1fr auto;gap:6px;align-items:center;font-size:var(--font-size-xs)}.svr-label{color:var(--text-secondary)}.svr-input{width:70px;border:1px solid var(--border-default);background:var(--bg-surface);color:var(--text-primary);border-radius:var(--radius-sm);padding:4px 6px;font-size:var(--font-size-xs)}.svr-input:focus{outline:none;border-color:var(--accent-sketch);box-shadow:0 0 0 2px var(--accent-sketch-dim)}.svr-unit{color:var(--text-muted);font-size:var(--font-size-xs)}.section-plane-panel{position:absolute;top:80px;right:16px;background:#1e1e28f2;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:0;min-width:200px;box-shadow:0 4px 20px #0006;z-index:100;backdrop-filter:blur(10px)}.section-plane-header{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.1)}.section-plane-title{font-size:13px;font-weight:600;color:#fff}.section-plane-close{background:none;border:none;color:#fff9;font-size:18px;cursor:pointer;padding:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:all .15s ease}.section-plane-close:hover{background:#ffffff1a;color:#fff}.section-plane-content{padding:12px;display:flex;flex-direction:column;gap:12px}.section-plane-axis{display:flex;flex-direction:column;gap:6px}.section-plane-axis label,.section-plane-position label{font-size:11px;color:#fff9;text-transform:uppercase;letter-spacing:.5px}.axis-buttons{display:flex;gap:4px}.axis-btn{flex:1;padding:8px 12px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:4px;color:#ffffffb3;font-size:12px;font-weight:600;cursor:pointer;transition:all .15s ease}.axis-btn:hover{background:#ffffff1a;color:#fff}.axis-btn.active{background:#3b82f6;border-color:#3b82f6;color:#fff}.section-plane-position{display:flex;flex-direction:column;gap:6px}.position-slider{width:100%;height:6px;-webkit-appearance:none;appearance:none;background:#ffffff1a;border-radius:3px;outline:none;cursor:pointer}.position-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;background:#3b82f6;border-radius:50%;cursor:pointer;transition:transform .15s ease}.position-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.position-slider::-moz-range-thumb{width:16px;height:16px;background:#3b82f6;border:none;border-radius:50%;cursor:pointer}.viewport{flex:1;width:100%;height:100%;min-height:400px;background:var(--bg-void);cursor:grab;outline:none;position:relative;box-shadow:inset 0 0 100px #0000004d}.viewport:active{cursor:grabbing}.viewport-edge-mode{cursor:crosshair;box-shadow:inset 0 0 100px #0000004d,inset 0 0 30px var(--accent-edge-dim)}.viewport-edge-mode:after{content:"";position:absolute;inset:0;border:2px solid var(--accent-edge);border-radius:0;opacity:.5;pointer-events:none;animation:glow-green 2s ease-in-out infinite}@keyframes glow-green{0%,to{box-shadow:inset 0 0 20px var(--accent-edge-dim);border-color:var(--accent-edge)}50%{box-shadow:inset 0 0 40px #10b98133;border-color:#10b981b3}}.viewport-sketch-mode{cursor:crosshair;box-shadow:inset 0 0 100px #0000004d,inset 0 0 40px var(--accent-sketch-dim)}.viewport-sketch-mode:after{content:"";position:absolute;inset:0;border:2px solid var(--accent-sketch);border-radius:0;opacity:.6;pointer-events:none;animation:glow-purple 2s ease-in-out infinite}@keyframes glow-purple{0%,to{box-shadow:inset 0 0 20px var(--accent-sketch-dim);border-color:var(--accent-sketch)}50%{box-shadow:inset 0 0 50px #a855f733;border-color:#a855f7cc}}.selection-box{position:absolute;border:1px dashed var(--accent-primary);background:#00d9ff1a;pointer-events:none;z-index:100}.confirm-modal-overlay{position:fixed;inset:0;background:#0009;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:16px;box-sizing:border-box;z-index:10000;animation:fadeIn .15s ease-out}.confirm-modal{background:linear-gradient(135deg,#1e1e2e,#252535);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:32px;max-height:calc(100vh - 32px);overflow-y:auto;max-width:400px;width:90%;text-align:center;box-shadow:0 20px 60px #00000080;animation:slideUp .2s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.confirm-modal-icon{width:56px;height:56px;margin:0 auto 16px;color:#ff6b6b;background:#ff6b6b26;border-radius:50%;display:flex;align-items:center;justify-content:center}.confirm-modal-icon svg{width:28px;height:28px}.confirm-modal-title{margin:0 0 8px;font-size:20px;font-weight:600;color:#fff}.confirm-modal-message{margin:0 0 24px;font-size:14px;color:#fff9;line-height:1.5}.confirm-modal-actions{display:flex;gap:12px;justify-content:center}.confirm-modal-btn{padding:12px 24px;font-size:14px;font-weight:500;border:none;border-radius:8px;cursor:pointer;transition:all .2s}.confirm-modal-btn.cancel{background:#ffffff1a;color:#fffc}.confirm-modal-btn.cancel:hover{background:#ffffff26;color:#fff}.confirm-modal-btn.confirm{background:linear-gradient(135deg,#ff6b6b,#ee5a5a);color:#fff}.confirm-modal-btn.confirm:hover{background:linear-gradient(135deg,#f55,#dd4a4a);transform:translateY(-1px);box-shadow:0 4px 12px #ff6b6b66}.confirm-modal-btn.primary{background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff}.confirm-modal-btn.primary:hover{background:linear-gradient(135deg,#1d4ed8,#2563eb);transform:translateY(-1px);box-shadow:0 4px 12px #2563eb66}.workplane-selector-backdrop{position:fixed;inset:0;background:#000000b3;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.workplane-selector{background:var(--bg-secondary);border-radius:var(--radius-xl);border:1px solid var(--accent-sketch);box-shadow:var(--shadow-xl),0 0 60px var(--accent-sketch-dim);width:380px;max-width:90vw;overflow:hidden;animation:fadeInUp .3s ease-out}.ws-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-lg) var(--spacing-xl);border-bottom:1px solid var(--border-default);background:var(--bg-elevated)}.ws-header h3{margin:0;font-size:var(--font-size-lg);font-weight:var(--font-weight-semibold);color:var(--text-primary)}.ws-close{width:28px;height:28px;border-radius:var(--radius-md);background:var(--bg-surface);border:1px solid var(--border-default);color:var(--text-muted);cursor:pointer;font-size:14px;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.ws-close:hover{background:var(--error-dim);border-color:var(--error);color:var(--error)}.ws-content{padding:var(--spacing-xl);display:flex;flex-direction:column;gap:var(--spacing-xl)}.ws-section{display:flex;flex-direction:column;gap:var(--spacing-sm)}.ws-label{font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.ws-name-input{padding:var(--spacing-md);background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-primary);font-size:var(--font-size-md);transition:all var(--transition-fast)}.ws-name-input:focus{outline:none;border-color:var(--accent-sketch);box-shadow:0 0 0 3px var(--accent-sketch-dim)}.ws-name-input::placeholder{color:var(--text-disabled)}.ws-planes{display:flex;flex-direction:column;gap:var(--spacing-sm)}.ws-plane-btn{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-fast)}.ws-plane-btn:hover{background:var(--bg-hover);border-color:var(--border-strong);transform:translate(4px)}.ws-plane-icon{width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:var(--font-weight-bold);font-size:var(--font-size-md);color:var(--bg-primary);flex-shrink:0}.ws-plane-info{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.ws-plane-name{font-size:var(--font-size-md);font-weight:var(--font-weight-medium);color:var(--text-primary)}.ws-plane-desc{font-size:var(--font-size-sm);color:var(--text-muted)}.ws-hint{padding:var(--spacing-md);background:var(--warning-dim);border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-md);font-size:var(--font-size-sm);color:var(--warning);text-align:center}.revolve-panel-backdrop{position:fixed;inset:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:9999}.revolve-panel{background:var(--surface);border-radius:12px;box-shadow:0 8px 32px #0000004d;min-width:320px;max-width:400px;border:1px solid var(--border)}.rp-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}.rp-header h3{margin:0;font-size:16px;font-weight:600;color:var(--text)}.rp-close{background:none;border:none;color:var(--text-muted);font-size:18px;cursor:pointer;padding:4px;line-height:1}.rp-close:hover{color:var(--text)}.rp-content{padding:16px 20px}.rp-section{margin-bottom:16px}.rp-section:last-child{margin-bottom:0}.rp-label{display:block;font-size:12px;font-weight:500;color:var(--text-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.rp-sketch-info{display:flex;justify-content:space-between;align-items:center}.rp-sketch-name{font-weight:500;color:var(--text)}.rp-status{font-size:12px;padding:4px 8px;border-radius:4px}.rp-status.closed{background:#4caf5026;color:#4caf50}.rp-status.open{background:#f4433626;color:#f44336}.rp-input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font-size:14px;box-sizing:border-box}.rp-input:focus{outline:none;border-color:var(--accent)}.rp-axis-btns{display:flex;gap:8px}.rp-axis-btn{flex:1;padding:10px 16px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text-muted);font-size:13px;cursor:pointer;transition:all .15s ease}.rp-axis-btn:hover{background:var(--surface);color:var(--text)}.rp-axis-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.rp-angle-presets{display:flex;gap:6px;margin-top:8px}.rp-angle-presets button{flex:1;padding:6px;border:1px solid var(--border);border-radius:4px;background:var(--bg);color:var(--text-muted);font-size:11px;cursor:pointer;transition:all .15s ease}.rp-angle-presets button:hover{background:var(--surface);color:var(--text);border-color:var(--accent)}.rp-op-btns{display:flex;gap:8px}.rp-op-btn{flex:1;padding:10px 16px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text-muted);font-size:13px;cursor:pointer;transition:all .15s ease}.rp-op-btn:hover{background:var(--surface);color:var(--text)}.rp-op-btn.add.active{background:#4caf5026;border-color:#4caf50;color:#4caf50}.rp-op-btn.cut.active{background:#f4433626;border-color:#f44336;color:#f44336}.rp-select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font-size:14px;box-sizing:border-box;cursor:pointer}.rp-select:focus{outline:none;border-color:var(--accent)}.rp-error{background:#f443361a;border:1px solid rgba(244,67,54,.3);color:#f44336;padding:10px 12px;border-radius:6px;font-size:13px;margin-bottom:16px}.rp-actions{display:flex;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}.rp-btn{flex:1;padding:10px 20px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease}.rp-btn.cancel{background:var(--bg);color:var(--text-muted);border:1px solid var(--border)}.rp-btn.cancel:hover{background:var(--surface);color:var(--text)}.rp-btn.confirm{background:var(--accent);color:#fff}.rp-btn.confirm:hover:not(:disabled){filter:brightness(1.1)}.rp-btn.confirm:disabled{opacity:.5;cursor:not-allowed}.rp-warning{background:#ffc1071a;border:1px solid rgba(255,193,7,.3);color:#ffc107;padding:10px 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20px}.sp-section{margin-bottom:16px}.sp-label{display:block;font-size:12px;font-weight:500;color:var(--text-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.sp-input,.sp-select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;background:var(--bg);color:var(--text);font-size:14px;box-sizing:border-box}.sp-input:focus,.sp-select:focus{outline:none;border-color:var(--accent)}.sp-select{cursor:pointer}.sp-info{background:#6495ed1a;border:1px solid rgba(100,149,237,.3);border-radius:6px;padding:12px;margin-bottom:16px}.sp-info p{margin:0 0 8px;font-size:13px;color:var(--text-muted)}.sp-info p:last-child{margin-bottom:0}.sp-info .sp-note{font-style:italic;color:#6495edcc}.sp-error{background:#f443361a;border:1px solid rgba(244,67,54,.3);color:#f44336;padding:10px 12px;border-radius:6px;font-size:13px;margin-bottom:16px}.sp-actions{display:flex;gap:12px;margin-top:20px;padding-top:16px;border-top:1px solid 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var(--transition-fast)}.ep-dir-btn:hover{background:var(--bg-hover);border-color:var(--border-strong)}.ep-dir-btn.active{background:var(--accent-sketch-dim);border-color:var(--accent-sketch);color:var(--accent-sketch)}.ep-op-btns{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-sm)}.ep-op-btn{padding:var(--spacing-md);border-radius:var(--radius-md);font-size:var(--font-size-md);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-fast)}.ep-op-btn.add{background:var(--success-dim);border:1px solid rgba(16,185,129,.3);color:var(--success)}.ep-op-btn.add:hover{background:#10b98140}.ep-op-btn.add.active{background:#10b9814d;border-color:var(--success);box-shadow:0 0 12px var(--success-dim)}.ep-op-btn.cut{background:var(--error-dim);border:1px solid rgba(239,68,68,.3);color:var(--error)}.ep-op-btn.cut:hover{background:#ef444440}.ep-op-btn.cut.active{background:#ef44444d;border-color:var(--error);box-shadow:0 0 12px 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var(--border-default);color:var(--text-secondary)}.ep-btn.cancel:hover{background:var(--bg-hover);border-color:var(--border-strong);color:var(--text-primary)}.ep-btn.confirm{background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);border:none;color:var(--bg-primary);box-shadow:0 2px 8px var(--accent-primary-dim)}.ep-btn.confirm:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 16px var(--accent-primary-glow)}.ep-btn.confirm:disabled{opacity:.4;cursor:not-allowed;transform:none}.ep-body-list{max-height:150px;overflow-y:auto;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-md);padding:var(--spacing-sm)}.ep-body-item{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast)}.ep-body-item:hover{background:var(--bg-hover)}.ep-body-item input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent-sketch);cursor:pointer}.ep-body-name{font-size:var(--font-size-md);color:var(--text-primary)}.ep-no-bodies{padding:var(--spacing-md);text-align:center;color:var(--text-muted);font-size:var(--font-size-sm)}.sketch-toolbar{position:absolute;top:16px;left:16px;width:200px;max-height:calc(100vh - 120px);overflow-y:auto;background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-radius:var(--radius-xl);border:1px solid var(--accent-sketch);box-shadow:var(--shadow-xl),0 0 30px var(--accent-sketch-dim),inset 0 1px #ffffff0d;padding:var(--spacing-md);z-index:100;display:flex;flex-direction:column;gap:var(--spacing-md);animation:fadeInUp .2s ease-out}.sketch-toolbar-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:var(--spacing-sm);border-bottom:1px solid 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var(--transition-fast)}.sketch-tool-btn:hover{background:var(--bg-hover);border-color:var(--border-strong);color:var(--text-primary);transform:translateY(-1px)}.sketch-tool-btn.active{background:var(--accent-sketch-dim);border-color:var(--accent-sketch);color:var(--accent-sketch);box-shadow:0 0 12px var(--accent-sketch-dim)}.tool-icon{font-size:18px;line-height:1}.tool-label{font-size:var(--font-size-xs);margin-top:2px;font-weight:var(--font-weight-medium)}.drawing-status{background:var(--success-dim);color:var(--success);padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);font-size:var(--font-size-sm);text-align:center;font-weight:var(--font-weight-medium);border:1px solid rgba(16,185,129,.3);animation:pulse 2s ease-in-out infinite}.checkbox-option{display:flex;align-items:center;gap:var(--spacing-sm);font-size:var(--font-size-sm);color:var(--text-secondary);cursor:pointer;padding:var(--spacing-xs) 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var(--spacing-md);border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:all var(--transition-fast)}.view-btn{background:var(--bg-surface);border:1px solid var(--border-default);color:var(--text-primary)}.view-btn:hover{background:var(--bg-hover);border-color:var(--border-strong)}.delete-btn{background:var(--error-dim);border:1px solid rgba(239,68,68,.3);color:var(--error)}.delete-btn:hover:not(:disabled){background:#ef444440;border-color:var(--error)}.delete-btn:disabled{opacity:.4;cursor:not-allowed}.exit-btn{background:var(--success-dim);border:1px solid rgba(16,185,129,.3);color:var(--success)}.exit-btn:hover{background:#10b98140;border-color:var(--success)}.extrude-btn{background:linear-gradient(135deg,var(--accent-sketch-dim) 0%,rgba(168,85,247,.1) 100%);border:1px solid 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h1{font-size:var(--font-size-md);font-weight:600;color:var(--text-primary);margin:0 0 12px}.signin-terms-content h2{font-size:var(--font-size-sm);font-weight:600;color:var(--text-primary);margin:16px 0 8px}.signin-terms-content p{font-size:var(--font-size-xs);color:var(--text-muted);margin:4px 0;line-height:1.5}.signin-terms-content li{font-size:var(--font-size-xs);color:var(--text-muted);margin:2px 0 2px 16px;line-height:1.5}.signin-terms-content hr{border:none;border-top:1px solid var(--border-default);margin:16px 0}.signin-scroll-hint{font-size:var(--font-size-xs);color:#fbbf24;text-align:center;margin:0;animation:bounce-hint 1s ease-in-out infinite}@keyframes bounce-hint{0%,to{transform:translateY(0)}50%{transform:translateY(3px)}}.signin-terms-checkbox{display:flex;align-items:center;gap:8px;font-size:var(--font-size-xs);color:var(--text-secondary);margin:12px 0;cursor:pointer;user-select:none}.signin-terms-checkbox.disabled{opacity:.5;cursor:not-allowed}.signin-terms-checkbox 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