:root{--bb-bg: #f2f4f7;--bb-surface: #fff;--bb-border: #d7dbe0;--bb-border-soft: #eef0f2;--bb-text: #1f2937;--bb-text-muted: #4b5563;--bb-text-faint: #9ca3af;--bb-accent: #2563eb;--bb-accent-soft: #dbeafe;--bb-accent-ink: #fff;--bb-danger: #dc2626;--bb-danger-soft: #fee2e2;--bb-ok: #16a34a;--bb-warn: #ea580c;--bb-agent: #7c3aed;--bb-agent-border: #c4b5fd;--bb-agent-soft: #f5f3ff;--bb-agent-ink: #4c1d95;--bb-md: #0f766e;--bb-md-border: #99f6e4;--bb-md-soft: #f0fdfa;--bb-section: #b45309;--bb-section-border: #fcd34d;--bb-section-soft: #fffbeb;--bb-rule: #0369a1;--bb-rule-border: #7dd3fc;--bb-rule-soft: #f0f9ff;--bb-font: system-ui, -apple-system, "Segoe UI", sans-serif;--bb-radius: 8px;--bb-radius-lg: 12px;--bb-shadow: 0 2px 6px rgba(0, 0, 0, .14);--bb-shadow-pop: 0 3px 10px rgba(0, 0, 0, .18);--bb-shadow-modal: 0 18px 48px rgba(15, 23, 42, .28)}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font:14px/1.4 var(--bb-font);color:var(--bb-text);background:var(--bb-bg)}button,input,textarea{font:inherit;color:inherit}.bb-signin{width:min(360px,100%);display:flex;flex-direction:column;gap:10px;padding:24px 26px 20px;background:var(--bb-surface, #fff);border:1px solid var(--bb-border, #d7dbe0);border-radius:var(--bb-radius-lg, 12px);box-shadow:var(--bb-shadow-modal, 0 18px 48px rgba(15, 23, 42, .28))}.bb-signin-brand{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--bb-text-faint, #9ca3af)}.bb-signin-title{margin:0;font-size:20px;font-weight:700}.bb-signin-desc{margin:0 0 4px;font-size:13px;line-height:1.45;color:var(--bb-text-muted, #4b5563)}.bb-signin-form{display:flex;flex-direction:column;gap:12px}.bb-signin-note{margin:0;font-size:12px;color:var(--bb-text-faint, #9ca3af)}.bb-signin-switch{align-self:flex-start;padding:0;border:0;background:none;font:inherit;font-size:13px;color:var(--bb-accent, #2563eb);cursor:pointer}.bb-signin-switch:hover{text-decoration:underline}.bb-user{display:inline-flex;align-items:center;gap:8px;padding:2px 4px 2px 10px;border:1px solid var(--bb-border, #d7dbe0);border-radius:999px;background:var(--bb-surface, #fff)}.bb-user-name{max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600;color:var(--bb-text, #1f2937)}.bb-board{position:relative;width:100%;height:100%;overflow:hidden;background:var(--bb-bg, #f2f4f7);cursor:default;touch-action:none}.bb-world{position:absolute;top:0;left:0;transform-origin:0 0}.bb-grid{position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle,#cbd5e1 1px,transparent 1px);background-size:24px 24px}.bb-hint{position:absolute;bottom:8px;left:12px;font-size:12px;color:var(--bb-text-faint, #9ca3af);pointer-events:none}.bb-links{position:absolute;left:-50000px;top:-50000px;width:100000px;height:100000px;overflow:visible;pointer-events:none;z-index:6}.bb-links.screen{z-index:7}.bb-links path.bb-link{fill:none;stroke:var(--bb-link-color, #475569);stroke-width:var(--bb-link-w, 2);pointer-events:none;opacity:.35;transition:opacity .12s}.bb-links .bb-link-active path.bb-link{opacity:1}.bb-links .bb-link-faint path.bb-link{opacity:.6}.bb-links path.bb-hit{fill:none;stroke:#0000;stroke-width:var(--bb-hit-w, 16);pointer-events:stroke;cursor:pointer}.bb-board.linking .bb-links path.bb-hit{pointer-events:none}.bb-links path.bb-preview{fill:none;stroke:var(--bb-link-color, var(--bb-accent, #2563eb));stroke-width:var(--bb-link-w, 2);stroke-dasharray:var(--bb-link-dash, 6) var(--bb-link-dash, 6);pointer-events:none}.bb-board.linking{touch-action:none}.bb-divider{position:absolute;left:-50000px;width:100000px;height:var(--bb-divider-h, 14px);margin-top:calc(var(--bb-divider-h, 14px) / -2);cursor:ns-resize;touch-action:none;z-index:1}.bb-divider-line{position:absolute;top:50%;left:0;right:0;height:var(--bb-divider-line-h, 2px);margin-top:calc(var(--bb-divider-line-h, 2px) / -2);background:#94a3b8}.bb-divider:hover .bb-divider-line{background:#64748b}.bb-section-fold{position:absolute;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px dashed #94a3b8;border-radius:8px;background:#e2e8f099;color:#475569;font-size:13px;cursor:pointer;z-index:1}.bb-section-fold:hover{border-color:#64748b;background:#cbd5e1bf}.bb-section-fold-mark{color:#334155}.bb-section-fold-name{font-weight:600}.bb-section-fold-count{color:#64748b}.bb-zones{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10}.bb-zone-label{position:absolute;left:12px;pointer-events:auto;font-size:12px;color:#475569;background:#ffffffd9;border:1px solid #e2e8f0;border-radius:6px;padding:2px 8px;cursor:default;-webkit-user-select:none;user-select:none;white-space:nowrap;display:flex;align-items:center;gap:6px}.bb-zone-top{transform:translateY(calc(-100% - 8px))}.bb-zone-bottom{transform:translateY(8px)}.bb-zone-label input{width:140px;border:none;background:transparent;font:inherit;color:inherit;outline:none;padding:0}.bb-rail{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:9}.bb-rail .bb-md-block,.bb-rail .bb-agent{pointer-events:auto}.bb-pins{position:absolute;left:50%;bottom:-4px;transform:translate(-50%);display:flex;gap:10px;opacity:0;pointer-events:none;z-index:2}.bb-pin{width:12px;height:12px;border-radius:50%;background:var(--bb-pin-color, #475569);border:2px solid #fff;box-shadow:0 1px 3px #0000004d;cursor:crosshair;touch-action:none}.bb-pin:hover{transform:scale(1.3)}.bb-sticker:hover>.bb-pins{opacity:1;pointer-events:auto}.bb-sticker{position:absolute;width:200px;border:1px solid;border-radius:var(--bb-radius, 8px);box-shadow:var(--bb-shadow, 0 2px 6px rgba(0, 0, 0, .14))}.bb-sticker-top{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:5px 6px 0;cursor:grab;-webkit-user-select:none;user-select:none}.bb-sticker-top:active{cursor:grabbing}.bb-sticker-picker{position:relative}.bb-sticker-color{width:15px;height:15px;padding:0;border-radius:50%;border:2px solid;cursor:pointer}.bb-sticker-swatches{position:absolute;bottom:calc(100% + 6px);left:-2px;z-index:20;display:flex;gap:4px;background:var(--bb-surface, #fff);border:1px solid var(--bb-border, #d7dbe0);border-radius:var(--bb-radius, 8px);padding:5px;box-shadow:var(--bb-shadow-pop, 0 3px 10px rgba(0, 0, 0, .18))}.bb-swatch{width:17px;height:17px;padding:0;border-radius:50%;border:2px solid;cursor:pointer}.bb-swatch.sel{outline:2px solid var(--bb-accent, #2563eb);outline-offset:1px}.bb-sticker-edit{display:block;width:100%;border:none;background:transparent;font:inherit;font-size:13px;line-height:1.4;color:inherit;padding:4px 8px 8px;resize:none;outline:none;overflow:hidden;min-height:22px}.bb-sticker-edit::placeholder{color:#0000004d}.bb-x{border:0;background:none;cursor:pointer;color:var(--bb-text-faint, #9ca3af);font-size:12px;padding:0 2px}.bb-x:hover{color:var(--bb-danger, #dc2626)}.bb-marquee{position:absolute;border:1px dashed #6366f1;background:#6366f11f;border-radius:4px;pointer-events:none;z-index:8}.bb-marquee-count{position:absolute;top:-10px;left:0;padding:1px 6px;border-radius:8px;background:#6366f1;color:#fff;font-size:11px;white-space:nowrap}.bb-longpress{position:absolute;pointer-events:none;z-index:9}.bb-longpress-track{fill:none;stroke:#64748b40;stroke-width:3}.bb-longpress-arc{fill:none;stroke:#64748b;stroke-width:3;stroke-linecap:round;stroke-dashoffset:0;transform:rotate(-90deg);transform-origin:50% 50%;animation-name:bb-longpress-fill;animation-timing-function:linear;animation-fill-mode:forwards}@keyframes bb-longpress-fill{0%{stroke-dashoffset:var(--bb-longpress-circ, 94)}to{stroke-dashoffset:0}}.bb-selection{position:absolute;border:1px solid #6366f1;border-radius:6px;pointer-events:none;z-index:9}.bb-selection-bar{position:absolute;top:6px;right:6px;display:flex;align-items:center;gap:6px;padding:3px 6px;border-radius:6px;background:#ffffffeb;box-shadow:0 1px 4px #0f172a2e;pointer-events:auto;cursor:grab;touch-action:none;font-size:12px;color:#1f2937}.bb-selection-grip{color:#94a3b8}.bb-selection-count{color:#6366f1;font-weight:600}.bb-selection-btn{border:1px solid #c7d2fe;border-radius:5px;background:#fff;color:#4338ca;font-size:12px;padding:1px 8px;cursor:pointer}.bb-selection-btn:disabled{opacity:.45;cursor:not-allowed}.bb-selection-btn.danger{border-color:#fecaca;color:var(--bb-danger, #dc2626)}.bb-selection-btn.danger:hover{background:var(--bb-danger-soft, #fee2e2)}.bb-selection-x{border:0;background:transparent;color:#94a3b8;cursor:pointer;font-size:12px}.bb-zone-fold{border:none;background:transparent;font:inherit;color:#64748b;cursor:pointer;padding:0 2px;line-height:1}.bb-zone-fold:hover{color:#1e293b}.bb-zone-fold.folded{color:#2563eb}.bb-link-filters{display:flex;flex-direction:column;gap:8px;min-width:320px}.bb-link-filter{display:flex;align-items:center;justify-content:space-between;gap:10px}.bb-link-filter-type{display:flex;align-items:baseline;gap:8px;min-width:0}.bb-link-swatch{flex:none;width:14px;height:3px;border-radius:2px;background:var(--bb-link-color, #475569)}.bb-link-filter-name{font-size:13px;font-weight:600;color:var(--bb-text);white-space:nowrap}.bb-link-filter-hint{font-size:11px;color:var(--bb-text-faint);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bb-link-filter-modes{display:flex;flex:none;gap:2px;padding:2px;background:var(--bb-bg);border-radius:var(--bb-radius)}.bb-link-mode{padding:4px 8px;border:0;border-radius:6px;background:none;color:var(--bb-text-muted);font:inherit;font-size:12px;white-space:nowrap;cursor:pointer}.bb-link-mode:hover{background:var(--bb-accent-soft);color:var(--bb-text)}.bb-link-mode.on{background:var(--bb-accent);color:var(--bb-accent-ink)}.bb-link-filter-foot{display:flex;justify-content:flex-end;padding-top:8px;border-top:1px solid var(--bb-border-soft)}.bb-ghost{position:absolute;pointer-events:none}.bb-sticker.lod-lite,.bb-sticker.lod-flat{box-shadow:none;cursor:grab;overflow:hidden;box-sizing:border-box}.bb-sticker.lod-flat{border-radius:6px}.bb-sticker-color{display:inline-block}.bb-sticker-lite-text{display:block;min-height:22px;padding:4px 8px 8px;font-size:13px;line-height:1.4;white-space:pre-wrap;word-break:break-word;overflow:hidden}.bb-agent{position:absolute;width:272px;background:var(--bb-surface, #fff);border:1px solid var(--bb-agent-border, #c4b5fd);border-radius:var(--bb-radius-lg, 12px);box-shadow:var(--bb-shadow, 0 2px 6px rgba(0, 0, 0, .14));font-size:12px;cursor:grab}.bb-agent:active{cursor:grabbing}.bb-agent.rail{border-style:dashed;border-color:var(--bb-rule-border, #7dd3fc);background:var(--bb-rule-soft, #f0f9ff);cursor:default;box-shadow:none}.bb-agent.rail .bb-agent-top{cursor:default;padding:6px 4px 0 6px;gap:4px}.bb-agent.rail{min-height:120px}.bb-agent.rail .bb-agent-acts-title{font-size:9px;margin-bottom:1px}.bb-agent.rail .bb-agent-act-target,.bb-agent.rail .bb-agent-act-ago{display:none}.bb-agent.rail .bb-agent-name{color:var(--bb-rule, #0369a1)}.bb-agent.open{border-color:var(--bb-agent, #7c3aed);box-shadow:0 0 0 3px var(--bb-agent-soft, #f5f3ff),var(--bb-shadow, 0 2px 6px rgba(0, 0, 0, .14))}.bb-agent-top{display:flex;align-items:center;gap:6px;padding:6px 6px 0 8px;-webkit-user-select:none;user-select:none}.bb-agent-avatar{width:20px;height:20px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--bb-agent-soft, #f5f3ff);border:1px solid var(--bb-agent-border, #c4b5fd);font-size:11px;flex:none}.bb-agent-name{font-weight:600;font-size:13px;color:var(--bb-text, #1f2937);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bb-agent-status{display:inline-flex;align-items:center;gap:4px;margin-left:auto;flex:none;font-size:11px;color:var(--bb-text-muted, #4b5563);background:var(--bb-agent-soft, #f5f3ff);border:1px solid var(--bb-border-soft, #eef0f2);border-radius:999px;padding:1px 7px}.bb-agent-status i{width:6px;height:6px;border-radius:50%;background:var(--bb-text-faint, #9ca3af)}.bb-agent-status.busy i{background:var(--bb-warn, #ea580c);animation:bb-agent-pulse 1.2s ease-in-out infinite}.bb-agent-status.waiting i{background:var(--bb-agent, #7c3aed)}.bb-agent-status.busy{color:var(--bb-warn, #ea580c)}.bb-agent-status.waiting{color:var(--bb-agent-ink, #4c1d95)}@keyframes bb-agent-pulse{50%{opacity:.35}}.bb-agent-open,.bb-agent .bb-x{border:0;background:none;cursor:pointer;font-size:12px;padding:0 2px;color:var(--bb-text-faint, #9ca3af);flex:none}.bb-agent-open:hover{color:var(--bb-agent, #7c3aed)}.bb-agent-model{padding:0 8px 4px;font-size:11px;color:var(--bb-text-faint, #9ca3af);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bb-agent-acts{border-top:1px dashed var(--bb-border, #d7dbe0);margin-top:4px;padding:5px 6px 6px 8px;display:flex;flex-direction:column;gap:2px}.bb-agent-acts-title{font-size:10px;text-transform:uppercase;letter-spacing:.04em;color:var(--bb-text-faint, #9ca3af);margin-bottom:2px}.bb-agent-empty{font-size:11px;color:var(--bb-text-faint, #9ca3af)}.bb-agent-act{display:flex;align-items:baseline;gap:5px;border-radius:6px;padding:2px 4px;cursor:default}.bb-agent-act:hover{background:var(--bb-agent-soft, #f5f3ff)}.bb-agent-act.off{opacity:.6}.bb-agent-act-kind{flex:none;width:14px;text-align:center;color:var(--bb-agent, #7c3aed);font-weight:600}.bb-agent-act-kind.delete{color:var(--bb-danger, #dc2626)}.bb-agent-act-text{flex:1;min-width:0;color:var(--bb-text, #1f2937);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bb-agent-act-target{flex:none;max-width:74px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px;color:var(--bb-agent-ink, #4c1d95);background:var(--bb-agent-soft, #f5f3ff);border:1px solid var(--bb-agent-border, #c4b5fd);border-radius:5px;padding:0 4px}.bb-agent-act-ago{flex:none;font-size:10px;color:var(--bb-text-faint, #9ca3af)}.bb-agent:hover>.bb-pins{opacity:1;pointer-events:auto}[data-anchor].bb-anchor-mark{outline:2px solid var(--bb-agent-border, #c4b5fd);outline-offset:2px}[data-anchor].bb-anchor-focus{outline:2px solid var(--bb-agent, #7c3aed);outline-offset:2px;box-shadow:0 0 0 5px #7c3aed2e,var(--bb-shadow, 0 2px 6px rgba(0, 0, 0, .14))}[data-anchor].bb-anchor-question{outline:2px solid var(--bb-agent, #8b5cf6);outline-offset:2px;box-shadow:0 0 0 5px #8b5cf62e,var(--bb-shadow, 0 1px 4px rgba(0, 0, 0, .08))}.bb-agent-ask{position:fixed;z-index:40;width:292px;display:flex;flex-direction:column;gap:7px;background:var(--bb-bg, #fff);border:1px solid var(--bb-agent-border, #a78bfa);border-radius:10px;box-shadow:0 10px 30px #4c1d9540;padding:9px 10px 8px;font-size:13px;color:var(--bb-text, #1f2937)}.bb-ask-head{display:flex;align-items:baseline;gap:6px}.bb-ask-who{font-size:11px;font-weight:700;color:var(--bb-agent-ink, #6d28d9);text-transform:uppercase;letter-spacing:.04em}.bb-ask-about{font-size:11px;color:var(--bb-text-faint, #6b7280);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bb-agent-ask .bb-ac-ask-choices{flex-direction:column;flex-wrap:nowrap;margin-top:0}.bb-agent-ask .bb-ac-ask-choice{text-align:left}.bb-ask-form{display:flex;gap:6px}.bb-ask-form input{flex:1;min-width:0;font:inherit;color:inherit;border:1px solid var(--bb-border, #d1d5db);border-radius:7px;padding:5px 8px;background:transparent}.bb-ask-send{border:1px solid var(--bb-agent-border, #a78bfa);border-radius:7px;background:var(--bb-agent-soft, #f5f3ff);color:var(--bb-agent-ink, #4c1d95);cursor:pointer;padding:5px 10px;font:inherit}.bb-ask-send:disabled{opacity:.5;cursor:default}.bb-ask-foot{display:flex;justify-content:flex-end}.bb-ask-skip{border:0;background:none;cursor:pointer;font:inherit;font-size:11px;color:var(--bb-text-faint, #9ca3af);padding:0}.bb-ask-skip:hover{color:var(--bb-text-soft, #6b7280);text-decoration:underline}.bb-ask-link{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;z-index:39}.bb-ask-link path{fill:none;stroke:var(--bb-agent, #8b5cf6);stroke-width:1.5;stroke-dasharray:5 4}.bb-agent-chat{position:absolute;z-index:30;left:10px;top:52px;bottom:34px;width:380px;max-width:calc(100% - 20px);display:flex;flex-direction:column;gap:8px;background:var(--bb-surface, #fff);border:1px solid var(--bb-agent-border, #c4b5fd);border-radius:var(--bb-radius-lg, 12px);box-shadow:var(--bb-shadow-modal, 0 18px 48px rgba(15, 23, 42, .28));padding:8px;font-size:13px}.bb-ac-head{display:flex;align-items:center;gap:8px}.bb-ac-title{font-weight:600}.bb-ac-model{font-size:11px;color:var(--bb-text-faint, #9ca3af);margin-left:auto}.bb-ac-x{border:0;background:none;cursor:pointer;color:var(--bb-text-faint, #9ca3af);font-size:12px;padding:0 2px}.bb-ac-x:hover{color:var(--bb-danger, #dc2626)}.bb-ac-log{flex:1;overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;gap:6px;padding-right:2px}.bb-ac-msg{border-radius:var(--bb-radius, 8px);padding:6px 9px;white-space:pre-wrap;overflow-wrap:anywhere}.bb-ac-msg.user{align-self:flex-end;max-width:92%;background:#111827;color:#fff}.bb-ac-from{font-size:10px;opacity:.6;margin-bottom:2px}.bb-ac-msg.asst{align-self:flex-start;max-width:96%;background:#f3f4f6}.bb-ac-msg.note{background:var(--bb-accent-soft, #dbeafe);color:var(--bb-text-muted, #4b5563);font-size:12px}.bb-ac-msg.error{background:var(--bb-danger-soft, #fee2e2);color:#991b1b;font-size:12px}.bb-ac-msg.ask{align-self:stretch;background:var(--bb-agent-soft, #f5f3ff);border:1px dashed var(--bb-agent-border, #c4b5fd)}.bb-ac-reasoning{font-size:11px;color:var(--bb-text-faint, #9ca3af);margin-bottom:4px}.bb-ac-reasoning summary{cursor:pointer}.bb-ac-reasoning pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:4px 0 0;font:inherit}.bb-ac-tools{display:flex;flex-direction:column;gap:3px}.bb-ac-tool{display:flex;align-items:baseline;gap:6px;font-size:11px;background:#f8fafc;border:1px dashed var(--bb-border, #d7dbe0);border-radius:6px;padding:3px 7px}.bb-ac-tool.err{background:var(--bb-danger-soft, #fee2e2);border-color:#fca5a5}.bb-ac-tool-name{font-weight:600;color:var(--bb-text-muted, #4b5563);font-family:ui-monospace,SFMono-Regular,monospace;white-space:nowrap}.bb-ac-tool-args{flex:1;min-width:0;color:var(--bb-text-faint, #9ca3af);font-family:ui-monospace,SFMono-Regular,monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bb-ac-tool-state{color:var(--bb-text-faint, #9ca3af)}.bb-ac-tool.ok .bb-ac-tool-state{color:var(--bb-ok, #16a34a)}.bb-ac-tool.err .bb-ac-tool-state{color:var(--bb-danger, #dc2626)}.bb-ac-ask-q{font-weight:600}.bb-ac-ask-about{font-size:11px;color:var(--bb-agent-ink, #4c1d95)}.bb-ac-ask-choices{display:flex;flex-wrap:wrap;gap:4px;margin-top:5px}.bb-ac-ask-choice{font:inherit;font-size:12px;cursor:pointer;color:var(--bb-text, #1f2937);border:1px solid var(--bb-agent-border, #c4b5fd);border-radius:7px;background:var(--bb-surface, #fff);padding:4px 8px}.bb-ac-ask-choice:hover{background:var(--bb-agent-soft, #f5f3ff)}.bb-ac-ask-a{font-size:12px;color:var(--bb-agent-ink, #4c1d95);margin-top:3px}.bb-ac-ask-a.wait{color:var(--bb-text-faint, #9ca3af)}.bb-ac-busy{font-size:12px;color:var(--bb-text-faint, #9ca3af);animation:bb-agent-pulse 1.2s ease-in-out infinite}.bb-ac-suggest{display:flex;flex-direction:column;gap:4px}.bb-ac-suggest button{font:inherit;font-size:12px;text-align:left;cursor:pointer;color:var(--bb-text-muted, #4b5563);border:1px solid var(--bb-border, #d7dbe0);border-radius:var(--bb-radius, 8px);background:var(--bb-surface, #fff);padding:5px 8px}.bb-ac-suggest button:hover{background:#f3f4f6}.bb-ac-input{display:flex;gap:6px;align-items:stretch}.bb-ac-input textarea{flex:1;resize:none;font:inherit;color:var(--bb-text, #1f2937);border:1px solid var(--bb-border, #d7dbe0);border-radius:var(--bb-radius, 8px);padding:6px 8px}.bb-ac-btn{cursor:pointer;border:1px solid var(--bb-border, #d7dbe0);border-radius:var(--bb-radius, 8px);background:var(--bb-surface, #fff);padding:0 12px}.bb-ac-btn.primary{background:var(--bb-agent, #7c3aed);border-color:var(--bb-agent, #7c3aed);color:#fff}.bb-ac-btn.primary:disabled{opacity:.5;cursor:default}.bb-ac-foot{display:flex;align-items:center;gap:6px}.bb-ac-writes{font-size:11px;color:var(--bb-text-faint, #9ca3af)}.bb-ac-mock{font-size:11px;color:var(--bb-text-faint, #9ca3af);margin-left:auto;font-style:italic}.bb-ac-msg.asst.streaming:after{content:"▍";color:var(--bb-agent, #7c3aed);animation:bb-ac-caret 1s steps(2) infinite}@keyframes bb-ac-caret{50%{opacity:0}}.bb-ac-offline{font-size:11px;margin-left:auto;color:#92400e;background:var(--bb-warn-soft, #fef3c7);border:1px solid var(--bb-warn, #f59e0b);border-radius:var(--bb-radius, 8px);padding:1px 7px}.bb-agent.lod-lite,.bb-agent.lod-flat{box-shadow:none}.bb-agent.lod-lite,.bb-agent.lod-flat{overflow:hidden}.bb-group{position:absolute;box-sizing:border-box;display:flex;flex-direction:column;border:1.5px dashed var(--bb-border, #cbd5e1);border-radius:12px;background:#94a3b814;padding:6px 8px;cursor:grab;-webkit-user-select:none;user-select:none;min-width:160px;min-height:96px}.bb-group:hover{border-color:var(--bb-text-muted, #64748b)}.bb-group:hover>.bb-pins{opacity:1;pointer-events:auto}.bb-group.open{border-style:solid;border-color:var(--bb-accent, #2563eb);box-shadow:0 0 0 3px var(--bb-accent-soft, #dbeafe)}.bb-group-top{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--bb-text, #111827)}.bb-group-avatar{opacity:.7}.bb-group-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.bb-group-count{background:var(--bb-accent-soft, #dbeafe);color:var(--bb-text-muted, #4b5563);border-radius:8px;padding:0 6px;font-size:11px}.bb-group .bb-x{margin-left:2px}.bb-group-preview{flex:1;overflow:hidden;display:flex;flex-direction:column;gap:3px;margin-top:6px}.bb-group-chip{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--bb-text-muted, #4b5563);background:#fff;border:1px solid var(--bb-border, #e5e7eb);border-radius:6px;padding:2px 6px;overflow:hidden}.bb-group-chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bb-group-dot{width:8px;height:8px;border-radius:3px;flex:none;background:#fef9c3;border:1px solid #eab308}.bb-group-dot.green{background:#dcfce7;border-color:#16a34a}.bb-group-dot.blue{background:#dbeafe;border-color:#2563eb}.bb-group-dot.pink{background:#fce7f3;border-color:#db2777}.bb-group-dot.orange{background:#ffedd5;border-color:#ea580c}.bb-group-dot.red{background:#fee2e2;border-color:#dc2626}.bb-group-dot.purple,.bb-group-dot.violet{background:#f3e8ff;border-color:#9333ea}.bb-group-dot.gray{background:#f3f4f6;border-color:#9ca3af}.bb-group-dot.dark{background:#1f2937;border-color:#111827}.bb-group-more,.bb-group-blank{font-size:11px;font-style:italic;color:var(--bb-text-faint, #9ca3af)}.bb-group-blank{margin-top:8px}.bb-gb{position:absolute;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center}.bb-gb-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#0f172a59}.bb-gb-panel{position:relative;background:#fff;border:1px solid var(--bb-border, #e5e7eb);border-radius:12px;box-shadow:0 18px 48px #0f172a40;padding:10px;display:flex;flex-direction:column;gap:8px}.bb-gb-head{display:flex;align-items:center;gap:6px}.bb-gb-avatar{opacity:.7}.bb-gb-name{flex:1;font-size:13px;font-weight:600;border:1px solid transparent;border-radius:6px;padding:3px 6px;background:transparent}.bb-gb-name:hover,.bb-gb-name:focus{border-color:var(--bb-border, #e5e7eb);background:#fff;outline:none}.bb-gb-count{background:var(--bb-accent-soft, #dbeafe);color:var(--bb-text-muted, #4b5563);border-radius:8px;padding:1px 7px;font-size:11px}.bb-gb-btn{border:1px solid var(--bb-border, #e5e7eb);background:#f9fafb;border-radius:6px;font-size:12px;padding:2px 7px;cursor:pointer}.bb-gb-btn:hover{background:#eef2ff}.bb-gb-btn.danger:hover{background:var(--bb-danger-soft, #fee2e2)}.bb-gb-x{border:0;background:none;cursor:pointer;color:var(--bb-text-faint, #9ca3af);font-size:12px}.bb-gb-x:hover{color:var(--bb-danger, #dc2626)}.bb-gb-pane{position:relative;overflow:hidden;border:1px solid var(--bb-border, #e5e7eb);border-radius:8px}.bb-gb-pane .bb-board{position:absolute;top:0;right:0;bottom:0;left:0}.bb-group-chip.agent span:last-child{font-style:italic}.bb-group-agent-mark{font-size:11px;line-height:1}.bb-group.lod-flat{border-style:solid}.bb-md-block{position:absolute;min-height:120px;display:flex;flex-direction:column;background:var(--bb-surface, #fff);border:1px solid var(--bb-md-border, #99f6e4);border-radius:var(--bb-radius-lg, 12px);box-shadow:var(--bb-shadow, 0 2px 6px rgba(0, 0, 0, .14));font-size:12px;cursor:pointer}.bb-md-block.open{border-color:var(--bb-md, #0f766e);box-shadow:0 0 0 3px var(--bb-md-soft, #f0fdfa),var(--bb-shadow, 0 2px 6px rgba(0, 0, 0, .14))}.bb-md-top{display:flex;align-items:center;gap:6px;padding:6px 6px 0 8px;cursor:grab;-webkit-user-select:none;user-select:none}.bb-md-top:active{cursor:grabbing}.bb-md-avatar{width:16px;height:16px;flex:none;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;background:var(--bb-md-soft, #f0fdfa);border:1px solid var(--bb-md-border, #99f6e4);font-size:10px}.bb-md-name{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600;color:var(--bb-md, #0f766e)}.bb-md-excerpt{flex:1 1 auto;padding:6px 8px;line-height:1.45;color:var(--bb-text-muted, #4b5563);overflow:hidden;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical}.bb-md-preview{position:relative;flex:1 1 auto;min-height:0;overflow:hidden;border-top:1px solid var(--bb-md-border, #99f6e4);border-radius:0 0 var(--bb-radius-lg, 12px) var(--bb-radius-lg, 12px);background:#fff;cursor:pointer}.bb-md-preview-frame{display:block;border:0;transform-origin:top left;pointer-events:none;background:#fff}.bb-md-preview:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:transparent;pointer-events:none;transition:background .12s ease}.bb-md-block:hover>.bb-md-preview:after{background:#0f766e12}.bb-md-foot{display:flex;justify-content:flex-end;padding:0 8px 6px}.bb-md-open{font-size:10px;color:var(--bb-text-faint, #9ca3af)}.bb-md-mark{flex:none;border:1px solid transparent;border-radius:5px;background:none;font-size:12px;line-height:1;padding:2px 3px;cursor:pointer;opacity:.3}.bb-md-block:hover .bb-md-mark{opacity:.75}.bb-md-mark:hover{opacity:1;background:var(--bb-section-soft, #fffbeb);border-color:var(--bb-section-border, #fcd34d)}.bb-md-mark.on{opacity:1}.bb-md-mark.on.lamp{background:var(--bb-section-soft, #fffbeb);border-color:var(--bb-section-border, #fcd34d)}.bb-md-mark.on.gear{background:var(--bb-rule-soft, #f0f9ff);border-color:var(--bb-rule-border, #7dd3fc)}.bb-md-run{flex:none;display:inline-flex;align-items:center;gap:3px;border:1px solid var(--bb-rule-border, #7dd3fc);border-radius:5px;background:var(--bb-rule-soft, #e0f2fe);color:var(--bb-rule, #0369a1);font:inherit;font-size:11px;line-height:1;padding:2px 5px;cursor:pointer}.bb-md-run:hover{background:var(--bb-rule, #0369a1);color:#fff}.bb-md-run-count{font-weight:700}.bb-md-block.sectional{border-style:dashed;border-color:var(--bb-section-border, #fcd34d);background:var(--bb-section-soft, #fffbeb)}.bb-md-block.sectional.rule{border-color:var(--bb-rule-border, #7dd3fc);background:var(--bb-rule-soft, #f0f9ff)}.bb-md-block.sectional .bb-md-top{cursor:default}.bb-md-block.sectional .bb-md-name{color:var(--bb-section, #b45309)}.bb-md-block.sectional.rule .bb-md-name{color:var(--bb-rule, #0369a1)}.bb-md-block:hover>.bb-pins{opacity:1;pointer-events:auto}.bb-md-doc .bb-modal-body{max-height:min(70vh,720px);overflow:auto}.bb-md-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.bb-md-meta{font-size:11px;font-weight:400;color:var(--bb-text-faint, #9ca3af)}.bb-md-foot-spacer{flex:1 1 auto}.bb-md-hint{margin:10px 0 0;font-size:11px;line-height:1.5;color:var(--bb-text-faint, #9ca3af)}.bb-md-hint-lock{color:var(--bb-section, #b45309)}.bb-md-hint-lock.rule{color:var(--bb-rule, #0369a1)}.bb-md-source{display:block;width:100%;min-height:min(52vh,520px);max-height:65vh;padding:10px 12px;border:1px solid var(--bb-border, #d7dbe0);border-radius:var(--bb-radius, 8px);background:var(--bb-bg, #f2f4f7);color:var(--bb-text, #1f2937);font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;resize:vertical;outline:none}.bb-md-source:focus{border-color:var(--bb-md, #0f766e);box-shadow:0 0 0 3px var(--bb-md-soft, #f0fdfa)}.bb-md-plain{margin:0;padding:10px 12px;border:1px solid var(--bb-border, #d7dbe0);border-radius:var(--bb-radius, 8px);background:var(--bb-bg, #f2f4f7);color:var(--bb-text, #1f2937);font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;white-space:pre-wrap;overflow-wrap:anywhere}.bb-md-frame{display:block;width:100%;height:min(60vh,620px);border:1px solid var(--bb-border, #d7dbe0);border-radius:var(--bb-radius, 8px);background:#fff}.bb-md-url{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:11px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--bb-text-faint, #9ca3af)}.bb-md-url:hover{color:var(--bb-md, #0f766e)}.bb-file-menu{display:flex;flex-direction:column;gap:2px}.bb-file-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border:1px solid transparent;border-radius:var(--bb-radius, 8px);background:none;color:var(--bb-text, #1f2937);font:inherit;font-size:12px;text-align:left;cursor:pointer}.bb-file-item:hover{background:var(--bb-md-soft, #f0fdfa);border-color:var(--bb-md-border, #99f6e4)}.bb-file-label{flex:1 1 auto}.bb-file-mime{font:10px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--bb-text-faint, #9ca3af)}.bb-md-body{font-size:14px;line-height:1.55;color:var(--bb-text, #1f2937);word-break:break-word}.bb-md-body>:first-child{margin-top:0}.bb-md-body h1,.bb-md-body h2,.bb-md-body h3,.bb-md-body h4,.bb-md-body h5,.bb-md-body h6{margin:18px 0 8px;line-height:1.25}.bb-md-body h1{font-size:22px}.bb-md-body h2{font-size:18px}.bb-md-body h3{font-size:16px}.bb-md-body h4,.bb-md-body h5,.bb-md-body h6{font-size:14px;color:var(--bb-text-muted, #4b5563)}.bb-md-body p{margin:8px 0}.bb-md-body ul,.bb-md-body ol{margin:8px 0;padding-left:22px}.bb-md-body li{margin:3px 0}.bb-md-body li>ul,.bb-md-body li>ol{margin:3px 0}.bb-md-body blockquote{margin:10px 0;padding:2px 12px;border-left:3px solid var(--bb-md-border, #99f6e4);background:var(--bb-md-soft, #f0fdfa);color:var(--bb-text-muted, #4b5563)}.bb-md-body code{font:12.5px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--bb-bg, #f2f4f7);border:1px solid var(--bb-border-soft, #eef0f2);border-radius:4px;padding:1px 4px}.bb-md-body pre{margin:10px 0;padding:10px 12px;background:#0f172a;border-radius:var(--bb-radius, 8px);overflow:auto}.bb-md-body pre code{display:block;background:none;border:0;padding:0;color:#e2e8f0;white-space:pre}.bb-md-body hr{margin:14px 0;border:0;border-top:1px solid var(--bb-border, #d7dbe0)}.bb-md-body a{color:var(--bb-accent, #2563eb)}.bb-md-body del{color:var(--bb-text-faint, #9ca3af)}.bb-md-block.lod-lite,.bb-md-block.lod-flat{box-shadow:none}.bb-md-block.lod-lite,.bb-md-block.lod-flat{overflow:hidden}.bb-md-lite-page{flex:1 1 auto;min-height:0;border-top:1px solid var(--bb-md-border, #99f6e4);border-radius:0 0 var(--bb-radius-lg, 12px) var(--bb-radius-lg, 12px);background:#fff}.bb-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--bb-border);border-radius:var(--bb-radius);background:var(--bb-surface);color:var(--bb-text);cursor:pointer;white-space:nowrap;transition:background .12s,border-color .12s,color .12s}.bb-btn:hover:not(:disabled){background:#f3f4f6}.bb-btn:active:not(:disabled){background:#e9ebee}.bb-btn:focus-visible{outline:2px solid var(--bb-accent);outline-offset:1px}.bb-btn:disabled{opacity:.5;cursor:default}.bb-btn-md{padding:7px 12px}.bb-btn-sm{padding:4px 9px;font-size:13px}.bb-btn-icon{line-height:1}.bb-btn-primary{background:var(--bb-accent);border-color:var(--bb-accent);color:var(--bb-accent-ink)}.bb-btn-primary:hover:not(:disabled){background:#1d4ed8;border-color:#1d4ed8}.bb-btn-primary:active:not(:disabled){background:#1e40af}.bb-btn-ghost{border-color:transparent;background:none;color:var(--bb-text-muted)}.bb-btn-ghost:hover:not(:disabled){background:#eceef1;color:var(--bb-text)}.bb-btn-danger{background:var(--bb-danger);border-color:var(--bb-danger);color:#fff}.bb-btn-danger:hover:not(:disabled){background:#b91c1c;border-color:#b91c1c}.bb-btn-danger:active:not(:disabled){background:#991b1b}.bb-icon-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:var(--bb-radius);background:none;color:var(--bb-text-muted);cursor:pointer;line-height:1}.bb-icon-btn:hover:not(:disabled){background:#eceef1;color:var(--bb-text)}.bb-icon-btn:active:not(:disabled){background:#e2e5e9}.bb-icon-btn:focus-visible{outline:2px solid var(--bb-accent);outline-offset:1px}.bb-icon-btn:disabled{opacity:.35;cursor:default}.bb-icon-btn-md{width:30px;height:30px;font-size:14px}.bb-icon-btn-sm{width:24px;height:24px;font-size:12px}.bb-icon-btn-default{border-color:var(--bb-border);background:var(--bb-surface)}.bb-icon-btn-danger:hover:not(:disabled){background:var(--bb-danger-soft);color:var(--bb-danger)}.bb-field{display:flex;flex-direction:column;gap:5px}.bb-field-label{font-size:13px;color:var(--bb-text-muted)}.bb-input{width:100%;padding:8px 10px;border:1px solid var(--bb-border);border-radius:var(--bb-radius);background:var(--bb-surface);outline:none}.bb-input:focus{border-color:var(--bb-accent);box-shadow:0 0 0 3px var(--bb-accent-soft)}.bb-input:disabled{background:#f3f4f6;color:var(--bb-text-faint)}.bb-field.has-error .bb-input{border-color:var(--bb-danger)}.bb-field-hint{margin:0;font-size:12px;color:var(--bb-text-faint)}.bb-field-error{margin:0;font-size:12px;color:var(--bb-danger)}.bb-inline{display:inline-block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-radius:4px;cursor:text}.bb-inline:hover{background:#eceef1}.bb-inline-empty{color:var(--bb-text-faint);font-style:italic}.bb-inline-input{width:100%;min-width:80px;padding:1px 4px;margin:-1px -4px;border:1px solid var(--bb-accent);border-radius:4px;background:var(--bb-surface);font:inherit;outline:none}.bb-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px;background:#0f172a6b}.bb-modal{max-width:100%;background:var(--bb-surface);border-radius:var(--bb-radius-lg);box-shadow:var(--bb-shadow-modal);overflow:hidden}.bb-modal-head{padding:16px 18px 0}.bb-modal-title{margin:0;font-size:16px}.bb-modal-body{padding:12px 18px 16px}.bb-modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;background:#fafbfc;border-top:1px solid var(--bb-border-soft)}.bb-confirm-message{margin:0;color:var(--bb-text-muted)}.bb-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:56px 24px;text-align:center}.bb-empty-icon{font-size:34px;line-height:1;color:var(--bb-text-faint);width:64px;height:64px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:#eceef1}.bb-empty-title{margin:4px 0 0;font-size:17px}.bb-empty-desc{margin:0;max-width:420px;color:var(--bb-text-muted)}.bb-empty-action{margin-top:8px}.bb-spinner{display:inline-block;border:2px solid rgba(100,116,139,.28);border-top-color:var(--bb-accent);border-radius:50%;animation:bb-spin .7s linear infinite}@keyframes bb-spin{to{transform:rotate(360deg)}}.bb-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:999px;border:1px solid var(--bb-border);background:var(--bb-surface);font-size:12px;color:var(--bb-text-muted);white-space:nowrap}.bb-pill-dot{width:7px;height:7px;border-radius:50%;background:currentColor}.bb-pill-saved{color:var(--bb-ok);border-color:#bbf7d0;background:#f0fdf4}.bb-pill-saving{color:var(--bb-text-muted)}.bb-pill-error{color:var(--bb-danger);border-color:#fecaca;background:var(--bb-danger-soft)}.bb-banner{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid;border-radius:var(--bb-radius);font-size:13px}.bb-banner-text{flex:1;min-width:0}.bb-banner-action{display:flex;gap:6px;flex-shrink:0}.bb-banner-error{background:var(--bb-danger-soft);border-color:#fecaca;color:#991b1b}.bb-banner-warning{background:#fffbeb;border-color:#fde68a;color:#92400e}.bb-banner-info{background:var(--bb-accent-soft);border-color:#bfdbfe;color:#1e40af}.bb-topbar{display:flex;align-items:center;gap:12px;min-height:54px;padding:8px 14px;background:var(--bb-surface);border-bottom:1px solid var(--bb-border)}.bb-topbar-side{display:flex;align-items:center;gap:8px;flex-shrink:0}.bb-topbar-title{flex:1;min-width:0}.bb-topbar-heading{font-size:16px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bb-topbar-sub{font-size:12px;color:var(--bb-text-faint)}.bb-topbar-right{margin-left:auto}.bb-dropdown{position:relative;display:inline-flex}.bb-dropdown-trigger{display:inline-flex;cursor:pointer}.bb-dropdown-panel{position:absolute;top:calc(100% + 6px);z-index:40;min-width:220px;padding:10px;background:var(--bb-surface);border:1px solid var(--bb-border);border-radius:var(--bb-radius-lg);box-shadow:var(--bb-shadow-pop);color:var(--bb-text);font-family:var(--bb-font)}.bb-dropdown-right{right:0}.bb-dropdown-left{left:0}.bb-project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(248px,1fr));gap:14px}.bb-project{position:relative;display:flex;flex-direction:column;gap:6px;padding:14px 16px;background:var(--bb-surface, #fff);border:1px solid var(--bb-border, #d7dbe0);border-radius:var(--bb-radius-lg, 12px);cursor:pointer;transition:border-color .12s,box-shadow .12s}.bb-project:hover{border-color:#c3c9d1;box-shadow:var(--bb-shadow, 0 2px 6px rgba(0, 0, 0, .14))}.bb-project.busy{opacity:.55;cursor:progress}.bb-project-head{display:flex;align-items:flex-start;gap:8px}.bb-project-name{flex:1;min-width:0;display:block;margin:0 -2px;padding:0 2px;border:0;border-radius:4px;background:none;font-size:15px;font-weight:600;text-align:left;cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}button.bb-project-name:hover{background:#eceef1}.bb-project-name-input{font-size:15px;font-weight:600}.bb-project-actions{display:flex;gap:2px;opacity:0;transition:opacity .12s}.bb-project:hover .bb-project-actions,.bb-project:focus-within .bb-project-actions{opacity:1}@media(hover:none){.bb-project-actions{opacity:1}}.bb-project-meta{font-size:12px;color:var(--bb-text-faint, #9ca3af)}.app{display:flex;flex-direction:column;height:100%}.app-brand{font-weight:700;padding:0 4px}.app-body{flex:1;min-height:0;overflow:auto}.app-page{max-width:1100px;margin:0 auto;padding:22px 24px 48px;display:flex;flex-direction:column;gap:16px}.app-body-board{position:relative;overflow:hidden;display:flex}.app-notice{position:absolute;top:12px;left:50%;transform:translate(-50%);z-index:20;width:min(680px,calc(100% - 24px));display:flex;flex-direction:column;gap:6px}.app-signin{flex:1;display:flex;align-items:center;justify-content:center;padding:24px}.app-loading{display:flex;align-items:center;justify-content:center;gap:10px;padding:48px 16px;color:var(--bb-text-muted, #4b5563)}.app-loading-full{flex:1}.app-actions{display:flex;gap:8px}