:root{--bg-primary: #1a1a2e;--bg-card: #16213e;--bg-input: #0f172a;--accent: #e94560;--accent-hover: #ff6b81;--accent-glow: rgba(233, 69, 96, .25);--text-primary: #e2e8f0;--text-secondary: #94a3b8;--text-dim: #64748b;--border: #1e2d4a;--success: #16c79a;--success-dim: rgba(22, 199, 154, .15);--danger: #ef4444;--danger-dim: rgba(239, 68, 68, .15);--radius: 10px;--radius-sm: 6px;--transition: .18s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--bg-card);border-bottom:1px solid var(--border);position:relative;z-index:10}.header h1{font-size:1.25rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.header h1:before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;background:var(--accent);margin-right:10px;vertical-align:middle;position:relative;top:-1px}.header-status{font-size:.75rem;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--danger-dim);color:var(--danger);transition:var(--transition)}.header-status.connected{background:var(--success-dim);color:var(--success)}.header-right{display:flex;align-items:center;gap:12px}.kofi-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:#00b9fe;color:#fff;font-size:.8rem;font-weight:600;text-decoration:none;transition:background .2s ease;line-height:1}.kofi-btn:hover{background:#0095d0;color:#fff}.kofi-btn svg{flex-shrink:0}.generator-tabs{display:flex;gap:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);margin-bottom:4px}.gen-tab{flex:1;padding:10px 16px;background:var(--bg-input);border:none;color:var(--text-secondary);font-family:inherit;font-size:.85rem;font-weight:600;cursor:pointer;transition:var(--transition);position:relative}.gen-tab:first-child{border-right:1px solid var(--border)}.gen-tab.active{background:var(--accent);color:#fff}.gen-tab:hover:not(.active){background:#e945601a;color:var(--text-primary)}.preset-bar{display:flex;gap:8px;align-items:center}.preset-bar select{flex:1;padding:8px 10px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:.8rem;cursor:pointer;transition:var(--transition)}.preset-bar select:hover,.preset-bar select:focus{border-color:var(--accent);outline:none}.preset-bar select option{background:var(--bg-card);color:var(--text-primary)}.btn-preset-save{padding:8px 12px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);font-family:inherit;font-size:.8rem;font-weight:600;cursor:pointer;transition:var(--transition);white-space:nowrap}.btn-preset-save:hover{border-color:var(--accent);color:var(--accent);background:#e9456014}.layout{display:flex;height:calc(100vh - 57px)}.sidebar{width:340px;flex-shrink:0;padding:16px 20px;background:var(--bg-card);border-right:1px solid var(--border);display:flex;flex-direction:column;gap:12px;overflow-y:auto}.preview-panel{flex:1;position:relative;background:var(--bg-primary)}#paramsForm{display:flex;flex-direction:column;gap:12px}.form-group{border:1px solid var(--border);border-radius:var(--radius);padding:12px;display:flex;flex-direction:column;gap:10px}.form-group legend{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);padding:0 6px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:.8rem;font-weight:600;color:var(--text-secondary)}.input-row{display:flex;gap:10px;align-items:center}.input-row input[type=range]{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:6px;border-radius:3px;background:var(--bg-input);border:1px solid var(--border);outline:none;cursor:pointer}.input-row input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);border:2px solid var(--bg-primary);cursor:pointer;box-shadow:0 0 8px var(--accent-glow);transition:var(--transition)}.input-row input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.15)}.input-row input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);border:2px solid var(--bg-primary);cursor:pointer;box-shadow:0 0 8px var(--accent-glow)}.num-input{width:58px;text-align:center;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-family:inherit;font-size:.9rem;font-weight:600;padding:6px 4px;transition:var(--transition)}.num-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}.num-input::-webkit-inner-spin-button,.num-input::-webkit-outer-spin-button{display:none}.dimensions{font-size:.95rem;font-weight:700;color:var(--accent);text-align:center;padding:8px;background:var(--bg-input);border-radius:var(--radius-sm);border:1px solid var(--border)}.field-note{font-size:.72rem;color:var(--text-dim);margin-top:2px}.checkboxes{gap:10px}.checkbox-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:.85rem;font-weight:500;color:var(--text-secondary);-webkit-user-select:none;user-select:none;padding:4px 0}.checkbox-label input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border:2px solid var(--border);border-radius:4px;background:var(--bg-input);cursor:pointer;flex-shrink:0;position:relative;transition:var(--transition)}.checkbox-label input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}.checkbox-label input[type=checkbox]:checked:after{content:"";position:absolute;top:1px;left:5px;width:5px;height:9px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(45deg)}.collapsible-header{cursor:pointer;-webkit-user-select:none;user-select:none;display:flex;align-items:center;justify-content:space-between;width:100%}.collapsible-header:hover{color:var(--text-primary)}.collapsible-body{display:none;flex-direction:column;gap:10px}.collapsible.open .collapsible-body{display:flex}.overhang-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.overhang-grid .field{gap:4px}.overhang-grid .field label{font-size:.72rem}.overhang-grid input[type=range],.overhang-grid .num-input{width:100%}.bin-only,.baseplate-only{transition:opacity .2s ease}.btn-generate{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px 20px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-family:inherit;font-size:.95rem;font-weight:700;cursor:pointer;transition:var(--transition);position:relative;overflow:hidden}.btn-generate:hover:not(:disabled){background:var(--accent-hover);box-shadow:0 4px 20px var(--accent-glow);transform:translateY(-1px)}.btn-generate:active:not(:disabled){transform:translateY(0)}.btn-generate:disabled{opacity:.6;cursor:not-allowed}.btn-download{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px 20px;background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius);font-family:inherit;font-size:.9rem;font-weight:600;cursor:pointer;transition:var(--transition)}.btn-download:hover{border-color:var(--accent);color:var(--accent)}.btn-download.hidden{display:none}.download-actions{width:100%}.slicer-buttons{display:flex;gap:8px;width:100%}.slicer-buttons.hidden{display:none}.btn-slicer{display:flex;align-items:center;justify-content:center;gap:6px;flex:1;padding:10px 12px;background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:inherit;font-size:.78rem;font-weight:600;cursor:pointer;transition:var(--transition);white-space:nowrap}.btn-slicer:hover{border-color:var(--accent);color:var(--accent);background:#e9456014}.btn-spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.btn-spinner.hidden,.btn-text.hidden{display:none}@keyframes spin{to{transform:rotate(360deg)}}.canvas-container{width:100%;height:100%;position:relative;overflow:hidden}.canvas-container canvas{display:block}.empty-state{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-dim);font-size:.95rem;pointer-events:none;z-index:2}.empty-state.hidden{display:none}.loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:#1a1a2ed9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:3}.loading-overlay.hidden{display:none}.progress-card{display:flex;flex-direction:column;align-items:center;gap:12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 36px;min-width:280px}.spinner{width:44px;height:44px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}.progress-message{font-size:.9rem;font-weight:600;color:var(--text-primary)}.progress-bar-track{width:100%;height:8px;background:var(--bg-input);border-radius:4px;overflow:hidden}.progress-bar-fill{width:0%;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-hover));border-radius:4px;transition:width .3s ease}.progress-percent{font-size:.75rem;font-weight:600;color:var(--accent)}.error-msg{padding:10px 14px;background:var(--danger-dim);border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-sm);color:var(--danger);font-size:.8rem;font-weight:500}.error-msg.hidden{display:none}@media (max-width: 768px){.layout{flex-direction:column}.sidebar{width:100%;max-height:50vh;border-right:none;border-bottom:1px solid var(--border)}.preview-panel{height:50vh}}