:root{--bg-canvas:#fff;--bg-toolbar:#fafafa;--bg-elevated:#fff;--border-default:#e5e7eb;--border-subtle:#f1f5f9;--border-dashed:#cbd5e1;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--text-faint:#94a3b8;--text-placeholder:#cbd5e1;--status-printing:#16a34a;--status-printing-bg:#dcfce7;--status-printing-text:#14532d;--status-idle:#94a3b8;--status-idle-bg:#f1f5f9;--status-idle-text:#334155;--status-offline:#64748b;--status-offline-bg:#e2e8f0;--status-offline-text:#1e293b;--status-broken:#dc2626;--status-broken-bg:#fee2e2;--status-broken-text:#7f1d1d;--alert-warn:#f59e0b;--alert-warn-bg:#fef3c7;--alert-warn-text:#b45309;--tag-color:#0369a1;--font-stack:ui-sans-serif, -apple-system, "Inter", system-ui, sans-serif}html,body{background:var(--bg-canvas);height:100%;font-family:var(--font-stack);color:var(--text-primary);margin:0;padding:0}#root{width:100vw;height:100vh}*{box-sizing:border-box}button,input,textarea{font-family:inherit}.app-root{background:var(--bg-canvas);flex-direction:column;width:100%;height:100%;display:flex;overflow:hidden}.qb-wrap{border-bottom:1px solid var(--border-default);background:var(--bg-toolbar);align-items:stretch;gap:8px;min-height:78px;padding:10px 14px;display:flex;overflow-x:auto}.qb-label{border-right:1px solid var(--border-default);flex-direction:column;flex-shrink:0;justify-content:center;margin-right:4px;padding-right:12px;display:flex}.qb-label-title{letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);font-size:11px;font-weight:600}.qb-label-count{color:var(--text-primary);font-variant-numeric:tabular-nums;margin-top:2px;font-size:22px;font-weight:600;line-height:1.1}.qb-card{border:1px solid var(--border-default);background:var(--bg-elevated);cursor:grab;-webkit-user-select:none;user-select:none;border-radius:8px;flex-direction:column;flex-shrink:0;gap:3px;width:230px;padding:8px 10px;transition:transform .15s,opacity .15s;display:flex;position:relative}.qb-card.is-dragging{opacity:.4}.qb-card.is-over{transform:translate(4px)}.qb-card:hover .qb-remove{opacity:1}.qb-name-row{align-items:center;gap:6px;display:flex}.qb-name{color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;min-width:0;padding:0;font-size:13px;font-weight:600}.qb-qty{background:var(--border-subtle);color:var(--text-secondary);font-variant-numeric:tabular-nums;text-align:center;border:none;border-radius:5px;outline:none;flex-shrink:0;width:38px;padding:2px 6px;font-size:11px;font-weight:600}.qb-meta-row{align-items:center;gap:6px;font-size:11px;display:flex}.qb-tag{color:var(--tag-color);background:0 0;border:none;outline:none;flex:1;min-width:40px;padding:0;font-size:11px;font-weight:500}.qb-notes{color:var(--text-muted);resize:none;background:0 0;border:none;outline:none;width:100%;height:14px;margin-top:1px;padding:0;font-size:11px;line-height:1.3}.qb-remove{cursor:pointer;width:18px;height:18px;color:var(--text-faint);opacity:0;background:0 0;border:none;border-radius:4px;font-size:14px;line-height:1;transition:opacity .15s;position:absolute;top:4px;right:4px}.qb-add-btn{border:1px dashed var(--border-dashed);width:100px;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;gap:4px;font-size:13px;display:flex}.kb-board{flex:1;grid-template-columns:repeat(4,1fr);gap:12px;min-height:0;padding:16px;display:grid;overflow:auto}.kb-col{background:var(--bg-toolbar);border-radius:10px;flex-direction:column;gap:10px;min-height:0;padding:12px;display:flex}.kb-col-head{align-items:center;gap:8px;display:flex}.kb-col-dot{border-radius:4px;flex-shrink:0;width:8px;height:8px}.kb-col-title-input{color:var(--text-primary);background:0 0;border:none;border-radius:4px;outline:none;flex:1;min-width:0;padding:2px 4px;font-size:13px;font-weight:600}.kb-col-count{color:var(--text-muted);font-variant-numeric:tabular-nums;background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:999px;padding:1px 7px;font-size:12px}.kb-col-body{flex-direction:column;flex:1;gap:8px;display:flex;overflow:auto}.kb-empty{color:var(--text-placeholder);text-align:center;padding:20px;font-size:12px}.kb-card{background:var(--bg-elevated);border:1px solid var(--border-default);cursor:pointer;touch-action:none;border-radius:8px;flex-direction:column;gap:8px;padding:10px;display:flex}.kb-card-top{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.kb-card-id{min-width:0}.kb-card-name{letter-spacing:-.01em;font-size:13px;font-weight:600}.kb-card-name.editable{cursor:text;border-radius:3px;margin:0 -2px;padding:0 2px}.kb-card-name.editable:hover{background:var(--border-subtle)}.kb-card-name-input{letter-spacing:-.01em;color:var(--text-primary);background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:4px;outline:none;width:100%;min-width:0;padding:2px 4px;font-size:13px;font-weight:600}.kb-card-model{color:var(--text-faint);text-transform:uppercase;letter-spacing:.04em;margin-top:1px;font-size:10px}.kb-card-controls{flex-shrink:0;align-items:center;gap:6px;display:flex}.kb-status-pill-mini{color:#fff;white-space:nowrap;letter-spacing:.01em;border-radius:999px;padding:2px 8px;font-size:10px;font-weight:600}.kb-drag-handle{width:22px;height:22px;color:var(--text-faint);cursor:grab;touch-action:none;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:0;display:inline-flex}.kb-drag-handle:hover{color:var(--text-muted);background:var(--border-subtle)}.kb-drag-handle:active{cursor:grabbing}.kb-card-expand{border-top:1px solid var(--border-subtle);flex-direction:column;gap:10px;margin-top:2px;padding-top:10px;display:flex}.kb-bubbles{flex-wrap:wrap;gap:6px;display:flex}.kb-bubble{border:1px solid var(--border-default);background:var(--bg-elevated);color:var(--text-muted);cursor:pointer;border-radius:999px;padding:7px 14px;font-size:12px;font-weight:500;transition:background .12s,color .12s,border-color .12s}.kb-bubble:hover{background:var(--border-subtle)}.kb-bubble.selected{color:#fff;border-color:#0000}.kb-card-notes{border:1px solid var(--border-default);resize:vertical;min-height:60px;color:var(--text-primary);background:var(--bg-elevated);border-radius:6px;outline:none;width:100%;padding:8px;font-family:inherit;font-size:12px}.kb-delete-btn{color:var(--status-broken);cursor:pointer;background:0 0;border:none;align-self:flex-end;padding:2px 4px;font-size:11px}.kb-col-body.is-drop-target{outline:2px dashed var(--border-dashed);outline-offset:-2px;border-radius:6px}.app-loading{height:100vh;color:var(--text-muted);justify-content:center;align-items:center;font-size:13px;display:flex}.kb-add-printer{border:1px dashed var(--border-dashed);color:var(--text-muted);cursor:pointer;text-align:left;background:0 0;border-radius:8px;padding:8px 10px;font-size:12px}@media (width<=1024px){.kb-board{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.kb-board{grid-template-columns:1fr}}