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10px;border-radius:6px;background:var(--bk-fb-ink);color:var(--bk-fb-panel);font-size:13px;font-weight:500;line-height:1.3;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity .12s ease .3s}.bk-fb-root .bk-fb-fab:hover .bk-fb-tip,.bk-fb-root .bk-fb-fab:focus-visible .bk-fb-tip{opacity:1}.bk-fb-root .bk-fb-launcher.is-open .bk-fb-tip{display:none}.bk-fb-root .bk-fb-badge{min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--bk-fb-accent);color:var(--bk-fb-accent-ink);font-size:12px;font-weight:700;line-height:20px;text-align:center}.bk-fb-root .bk-fb-overlay{position:fixed;inset:0;z-index:calc(var(--bk-fb-z) + 2)}.bk-fb-root .bk-fb-surface{position:absolute;inset:0;cursor:crosshair;touch-action:none;user-select:none;-webkit-user-select:none}.bk-fb-root .bk-fb-surface:focus-visible{outline:3px solid var(--bk-fb-focus);outline-offset:-3px}.bk-fb-root .bk-fb-veil{position:absolute;inset:0;background:var(--bk-fb-veil)}.bk-fb-root .bk-fb-rect{position:absolute;border:2px solid var(--bk-fb-accent);border-radius:3px;background:#e8640c0f;box-shadow:0 0 0 200vmax var(--bk-fb-veil)}.bk-fb-root .bk-fb-rect.is-keyboard{border-style:dashed}.bk-fb-root .bk-fb-bar{position:fixed;top:16px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:var(--bk-fb-space-3);max-width:calc(100vw - 32px);padding:6px 6px 6px var(--bk-fb-space-4);border-radius:999px;background:var(--bk-fb-panel);color:var(--bk-fb-ink);box-shadow:var(--bk-fb-shadow);cursor:default}.bk-fb-root .bk-fb-bar-text{font-size:14px;color:var(--bk-fb-ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bk-fb-root .bk-fb-bar-text strong{color:var(--bk-fb-ink);font-weight:700}.bk-fb-root .bk-fb-bar .bk-fb-btn{min-height:32px;font-size:13px}.bk-fb-root .bk-fb-mark{position:fixed;z-index:calc(var(--bk-fb-z) + 1);border:2px solid var(--bk-fb-accent);border-radius:3px;pointer-events:none;box-shadow:0 0 0 4px #e8640c2e}.bk-fb-root .bk-fb-pin{position:fixed;z-index:calc(var(--bk-fb-z) + 1);width:24px;height:24px;margin:-30px 0 0 -12px;border-radius:50% 50% 50% 0;background:var(--bk-fb-accent);border:2px solid #fff;transform:rotate(-45deg);box-shadow:0 4px 10px #10121859;pointer-events:none}.bk-fb-root .bk-fb-panel{position:fixed;top:0;right:0;bottom:0;z-index:calc(var(--bk-fb-z) + 3);width:min(380px,100vw);display:flex;flex-direction:column;background:var(--bk-fb-panel);color:var(--bk-fb-ink);border-left:1px solid var(--bk-fb-line);box-shadow:var(--bk-fb-shadow);animation:bk-fb-slide .16s ease-out}@keyframes bk-fb-slide{0%{transform:translate(24px);opacity:0}}.bk-fb-root .bk-fb-panel-head{display:flex;align-items:center;justify-content:space-between;gap:var(--bk-fb-space-3);padding:var(--bk-fb-space-4) var(--bk-fb-space-4) var(--bk-fb-space-3) var(--bk-fb-space-5);border-bottom:1px solid var(--bk-fb-line)}.bk-fb-root .bk-fb-panel-head h2{font-size:17px;font-weight:700}.bk-fb-root .bk-fb-panel-body{flex:1;overflow-y:auto;padding:var(--bk-fb-space-4) var(--bk-fb-space-5) var(--bk-fb-space-5);display:flex;flex-direction:column;gap:var(--bk-fb-space-4)}.bk-fb-root .bk-fb-preview{display:flex;flex-direction:column;gap:var(--bk-fb-space-2);align-items:flex-start}.bk-fb-root .bk-fb-figure{width:100%;display:flex;flex-direction:column;gap:6px}.bk-fb-root .bk-fb-figure img{width:100%;max-height:240px;object-fit:contain;background:var(--bk-fb-paper);border:1px solid var(--bk-fb-line);border-radius:var(--bk-fb-radius)}.bk-fb-root .bk-fb-figure figcaption,.bk-fb-root .bk-fb-count,.bk-fb-root .bk-fb-item-date,.bk-fb-root .bk-fb-msg-who{font-size:12px;color:var(--bk-fb-ink-faint)}.bk-fb-root .bk-fb-preview-wait{width:100%;min-height:120px;display:flex;align-items:center;justify-content:center;gap:var(--bk-fb-space-2);color:var(--bk-fb-ink-soft);background:var(--bk-fb-paper);border:1px dashed var(--bk-fb-line);border-radius:var(--bk-fb-radius)}.bk-fb-root .bk-fb-spinner{display:inline-block;width:16px;height:16px;border-radius:50%;border:2px solid var(--bk-fb-line);border-top-color:var(--bk-fb-accent);animation:bk-fb-spin .8s linear infinite;vertical-align:-3px}@keyframes bk-fb-spin{to{transform:rotate(360deg)}}.bk-fb-root .bk-fb-note{color:var(--bk-fb-ink-soft)}.bk-fb-root .bk-fb-kinds{display:flex;flex-wrap:wrap;gap:var(--bk-fb-space-2)}.bk-fb-root .bk-fb-kinds legend,.bk-fb-root .bk-fb-label{display:block;width:100%;margin-bottom:6px;font-size:13px;font-weight:600;color:var(--bk-fb-ink-soft)}.bk-fb-root .bk-fb-pill{position:relative;display:inline-flex;align-items:center;min-height:32px;padding:0 var(--bk-fb-space-3);border-radius:999px;border:1px solid var(--bk-fb-line);cursor:pointer;font-weight:600;font-size:13px}.bk-fb-root .bk-fb-pill input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}.bk-fb-root .bk-fb-pill.is-on{border-color:var(--bk-fb-accent);background:var(--bk-fb-accent-soft);color:var(--bk-fb-ink)}.bk-fb-root .bk-fb-pill:has(input:focus-visible){outline:2px solid var(--bk-fb-focus);outline-offset:2px}.bk-fb-root .bk-fb-field{display:flex;flex-direction:column}.bk-fb-root textarea{width:100%;resize:vertical;min-height:64px;padding:var(--bk-fb-space-2) var(--bk-fb-space-3);border:1px solid var(--bk-fb-line);border-radius:var(--bk-fb-radius);background:var(--bk-fb-panel);color:var(--bk-fb-ink);font-size:14px;line-height:1.45}.bk-fb-root textarea::placeholder{color:var(--bk-fb-ink-faint)}.bk-fb-root textarea:focus-visible{outline:2px solid var(--bk-fb-focus);outline-offset:0;border-color:transparent}.bk-fb-root .bk-fb-count{align-self:flex-end;margin-top:4px}.bk-fb-root .bk-fb-context{border:1px solid var(--bk-fb-line);border-radius:var(--bk-fb-radius);background:var(--bk-fb-paper)}.bk-fb-root .bk-fb-context summary{padding:var(--bk-fb-space-2) var(--bk-fb-space-3);font-size:13px;font-weight:600;color:var(--bk-fb-ink-soft);cursor:pointer}.bk-fb-root .bk-fb-context dl{display:grid;grid-template-columns:max-content 1fr;gap:4px var(--bk-fb-space-3);padding:0 var(--bk-fb-space-3) var(--bk-fb-space-3);font-size:12px}.bk-fb-root .bk-fb-context dt{color:var(--bk-fb-ink-faint)}.bk-fb-root .bk-fb-context dd{overflow-wrap:anywhere}.bk-fb-root .bk-fb-error{padding:var(--bk-fb-space-2) var(--bk-fb-space-3);border-radius:var(--bk-fb-radius);background:var(--bk-fb-danger-soft);color:var(--bk-fb-danger);font-size:13px}.bk-fb-root .bk-fb-actions{display:flex;gap:var(--bk-fb-space-2)}.bk-fb-root .bk-fb-actions .bk-fb-btn-primary{flex:1}.bk-fb-root .bk-fb-privacy{font-size:12px;color:var(--bk-fb-ink-faint)}.bk-fb-root .bk-fb-list{display:flex;flex-direction:column;gap:var(--bk-fb-space-3)}.bk-fb-root .bk-fb-item{padding:var(--bk-fb-space-3) var(--bk-fb-space-4);border:1px solid var(--bk-fb-line);border-radius:var(--bk-fb-radius-lg)}.bk-fb-root .bk-fb-item.has-update{border-color:var(--bk-fb-accent);box-shadow:inset 3px 0 0 var(--bk-fb-accent)}.bk-fb-root .bk-fb-item article{display:flex;flex-direction:column;gap:var(--bk-fb-space-2)}.bk-fb-root .bk-fb-item-head{display:flex;align-items:center;justify-content:space-between;gap:var(--bk-fb-space-2)}.bk-fb-root .bk-fb-item-head h3{font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}.bk-fb-root .bk-fb-dot{font-size:11px;font-weight:700;color:var(--bk-fb-accent-strong);text-transform:uppercase;letter-spacing:.06em}.bk-fb-root .bk-fb-item-meta{display:flex;align-items:center;gap:var(--bk-fb-space-2);flex-wrap:wrap}.bk-fb-root .bk-fb-chip{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.bk-fb-root .bk-fb-chip.tone-received{background:var(--bk-fb-paper);color:var(--bk-fb-ink-soft);border:1px solid var(--bk-fb-line)}.bk-fb-root .bk-fb-chip.tone-working{background:var(--bk-fb-work-soft);color:var(--bk-fb-work)}.bk-fb-root .bk-fb-chip.tone-done{background:var(--bk-fb-ok-soft);color:var(--bk-fb-ok)}.bk-fb-root .bk-fb-chip.tone-neutral{background:var(--bk-fb-paper);color:var(--bk-fb-ink-soft)}.bk-fb-root .bk-fb-reason{font-size:13px;color:var(--bk-fb-ink-soft)}.bk-fb-root .bk-fb-item-text{white-space:pre-wrap;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:6;-webkit-box-orient:vertical;overflow:hidden}.bk-fb-root .bk-fb-thumb{display:flex;flex-direction:column;gap:6px;align-items:flex-start}.bk-fb-root .bk-fb-thumb img{max-height:120px;border:1px solid var(--bk-fb-line);border-radius:var(--bk-fb-radius)}.bk-fb-root .bk-fb-confirm{display:flex;flex-wrap:wrap;gap:var(--bk-fb-space-2);align-items:center;font-size:13px}.bk-fb-root .bk-fb-confirm .bk-fb-btn{min-height:30px;font-size:13px}.bk-fb-root .bk-fb-thread{display:flex;flex-direction:column;gap:var(--bk-fb-space-2)}.bk-fb-root .bk-fb-msg{padding:var(--bk-fb-space-2) var(--bk-fb-space-3);border-radius:var(--bk-fb-radius);background:var(--bk-fb-paper)}.bk-fb-root .bk-fb-msg.from-me{background:var(--bk-fb-accent-soft)}.bk-fb-root .bk-fb-msg p{white-space:pre-wrap;overflow-wrap:anywhere}.bk-fb-root .bk-fb-reply{display:flex;flex-direction:column;gap:6px;align-items:flex-end}.bk-fb-root .bk-fb-reply .bk-fb-btn{min-height:30px;font-size:13px}.bk-fb-root .bk-fb-reply .bk-fb-error{align-self:stretch}.bk-fb-root .bk-fb-toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);z-index:calc(var(--bk-fb-z) + 4);pointer-events:none}.bk-fb-root .bk-fb-toast-body{display:block;max-width:min(520px,calc(100vw - 32px));padding:var(--bk-fb-space-3) var(--bk-fb-space-4);border-radius:var(--bk-fb-radius);background:var(--bk-fb-ink);color:var(--bk-fb-panel);box-shadow:var(--bk-fb-shadow);font-weight:600;pointer-events:auto}@media(max-width:640px){.bk-fb-root .bk-fb-bar-text{display:none}.bk-fb-root .bk-fb-launcher{right:var(--bk-fb-launcher-right, 12px);bottom:var(--bk-fb-launcher-bottom, 12px)}.bk-fb-root .bk-fb-tip{display:none}}@media(prefers-reduced-motion:reduce){.bk-fb-root .bk-fb-panel,.bk-fb-root .bk-fb-spinner{animation:none}.bk-fb-root .bk-fb-btn,.bk-fb-root .bk-fb-fab,.bk-fb-root .bk-fb-tip{transition:none}.bk-fb-root .bk-fb-launcher-menu{animation:none}}@media(forced-colors:active){.bk-fb-root .bk-fb-fab{border:1px solid ButtonText}.bk-fb-root .bk-fb-rect,.bk-fb-root .bk-fb-mark{border-color:Highlight}}