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var(--m2m-border);border-radius:var(--radius-lg);color:var(--m2m-fg-2);text-align:center;line-height:1.55}.bc-empty strong{display:block;color:var(--m2m-fg);font-weight:600;margin-bottom:.4rem;font-size:1.05rem;letter-spacing:-.01em}.bc-item{display:grid;grid-template-columns:44px 1fr;gap:1rem;padding:1.25rem 1.4rem;border:1px solid var(--m2m-border);border-radius:var(--radius-lg);background:var(--m2m-surface);transition:border-color .2s var(--ease-out),transform .2s var(--ease-out);animation:bcAppear .32s var(--ease-out)}.bc-item:hover{border-color:var(--m2m-border-strong)}@keyframes bcAppear{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){.bc-item,.bc-skeleton,.bc-sk-line{animation:none!important;transition:none!important}}.bc-team{background:linear-gradient(135deg,color-mix(in oklab,var(--m2m-primary) 6%,var(--m2m-surface)) 0%,var(--m2m-surface) 70%);border-color:color-mix(in oklab,var(--m2m-primary) 22%,var(--m2m-border))}.bc-reply{margin-left:clamp(1.5rem,5vw,3rem);border-left:3px solid color-mix(in oklab,var(--m2m-primary) 35%,transparent)}.bc-avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff;font-family:var(--font-display);font-weight:700;font-size:.92rem;letter-spacing:.02em;text-transform:uppercase;line-height:1;user-select:none;box-shadow:inset 0 0 0 1px #ffffff14,0 1px 2px #0000002e}.bc-team .bc-avatar{background:linear-gradient(135deg,var(--m2m-primary),var(--m2m-primary-dark))!important;box-shadow:inset 0 0 0 1px #ffffff1f,0 4px 14px #ff4e6a40}.bc-item-body{min-width:0}.bc-item-head{display:flex;align-items:center;gap:.6rem;margin-bottom:.55rem;flex-wrap:wrap}.bc-item-author{font-weight:600;color:var(--m2m-fg);font-size:.95rem;letter-spacing:-.005em}.bc-team-badge{display:inline-flex;align-items:center;gap:.25rem;padding:.2rem 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svg{transform:translate(2px)}.bc-skeleton{display:grid;grid-template-columns:44px 1fr;gap:1rem;padding:1.25rem 1.4rem;border:1px solid var(--m2m-border);border-radius:var(--radius-lg);background:var(--m2m-surface)}.bc-sk-avatar{width:44px;height:44px;border-radius:50%;background:var(--m2m-surface-2)}.bc-sk-body{display:flex;flex-direction:column;gap:.6rem;padding-top:.45rem}.bc-sk-line{height:.7rem;background:var(--m2m-surface-2);border-radius:4px}.bc-sk-w-30{width:28%}.bc-sk-w-95{width:95%}.bc-sk-w-70{width:70%}.bc-skeleton,.bc-sk-line{animation:bcShimmer 1.6s ease-in-out infinite}@keyframes bcShimmer{0%,to{opacity:.55}50%{opacity:.9}}.bc-form{display:grid;gap:1.25rem;padding:clamp(1.75rem,3.5vw,2.5rem);border:1px solid var(--m2m-border);border-radius:var(--radius-xl);background:var(--m2m-surface);transition:border-color .2s var(--ease-out),box-shadow .2s var(--ease-out)}.bc-form.is-replying{border-color:color-mix(in oklab,var(--m2m-primary) 38%,var(--m2m-border));box-shadow:0 0 0 4px var(--m2m-primary-soft)}.bc-form-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.bc-form h3{margin:0 0 .35rem;font-size:1.15rem;letter-spacing:-.015em}.bc-form-help{color:var(--m2m-fg-3);font-size:.84rem;margin:0;line-height:1.55}.bc-cancel-reply{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--m2m-border);padding:0;color:var(--m2m-fg-2);border-radius:50%;cursor:pointer;transition:color .16s var(--ease-out),background .16s var(--ease-out),border-color .16s var(--ease-out);flex-shrink:0}.bc-cancel-reply:hover{color:var(--m2m-fg);background:var(--m2m-surface-2);border-color:var(--m2m-border-strong)}.bc-row{display:grid;gap:1rem;grid-template-columns:1fr 1fr}@media(max-width:540px){.bc-row{grid-template-columns:1fr}}.bc-field{display:flex;flex-direction:column;gap:.4rem}.bc-field>span{color:var(--m2m-fg-2);font-size:.84rem;font-weight:500}.bc-field small{color:var(--m2m-fg-3);font-weight:400;margin-left:.2rem}.bc-form input,.bc-form textarea{padding:.85rem 1rem;border:1px solid var(--m2m-border);border-radius:var(--radius);background:var(--m2m-bg);color:var(--m2m-fg);font-family:inherit;font-size:.96rem;transition:border-color .16s var(--ease-out),box-shadow .16s var(--ease-out)}.bc-form input::placeholder,.bc-form textarea::placeholder{color:var(--m2m-fg-3)}.bc-form input:hover,.bc-form textarea:hover{border-color:var(--m2m-border-strong)}.bc-form input:focus,.bc-form textarea:focus{outline:0;border-color:var(--m2m-primary);box-shadow:0 0 0 4px var(--m2m-primary-soft)}.bc-form textarea{resize:vertical;min-height:130px;line-height:1.6}.bc-hp{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;pointer-events:none}.bc-form-bottom{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;justify-content:space-between}.bc-status{color:var(--m2m-fg-2);font-size:.86rem;margin:0;min-height:1.2em;flex:1;min-width:200px}.bc-status[data-state=ok]{color:var(--m2m-success);font-weight:500}.bc-status[data-state=err]{color:var(--m2m-error);font-weight:500}.bc-submit{min-height:44px;padding:0 1.4rem;display:inline-flex;align-items:center;gap:.45rem}.bc-submit svg{transition:transform .2s var(--ease-out)}.bc-submit:not([aria-busy=true]):hover svg{transform:translate(2px)}.bc-submit[aria-busy=true]{opacity:.6;cursor:progress}