.mention-dd{left:var(--space-4);background:var(--color-bg-elevated);border:1px solid var(--color-border-primary);border-radius:var(--radius-md);width:300px;max-width:calc(100% - 2rem);box-shadow:var(--shadow-lg);z-index:var(--z-dropdown);position:absolute;bottom:calc(100% + 6px);overflow:hidden}.mention-dd__group-label{text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);padding:7px 12px 5px;font-size:.64rem;font-weight:700}.mention-dd__item{align-items:center;gap:var(--space-3);cursor:pointer;transition:background .12s var(--ease-out-expo);padding:7px 12px;display:flex}.mention-dd__item:hover,.mention-dd__item.is-active{background:var(--color-bg-hover)}.mention-dd__item:focus-visible{outline:2px solid var(--otus-gold);outline-offset:-2px}.mention-dd__avatar{border-radius:var(--radius-full);width:26px;height:26px;color:var(--otus-white);background:linear-gradient(135deg, var(--otus-ash), var(--otus-stone));flex:none;justify-content:center;align-items:center;font-size:.64rem;font-weight:700;display:flex}.mention-dd__name{font-size:var(--text-sm);color:var(--color-text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-weight:600;overflow:hidden}.mention-dd__badge{border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:.02em;flex:none;padding:2px 6px;font-size:.6rem;font-weight:700}.mention-dd__badge--internal{background:var(--otus-teal-pale);color:var(--otus-teal-text)}.mention-dd__badge--construflow{background:var(--otus-violet-pale);color:var(--otus-violet-text)}.mention-dd__empty{text-align:center;font-size:var(--text-sm);color:var(--color-text-muted);padding:16px 12px}.mention-dd__loading{flex-direction:column;gap:8px;padding:8px 12px;display:flex}.mention-dd__skeleton-avatar{border-radius:var(--radius-full);width:26px;height:26px}.mention-dd__skeleton-line{border-radius:var(--radius-sm);height:12px}.skeleton-row{align-items:center;gap:var(--space-3);display:flex}.skeleton{background:var(--color-bg-tertiary);border-radius:var(--radius-sm);animation:1.2s ease-in-out infinite mention-dd-pulse}@keyframes mention-dd-pulse{0%,to{opacity:.6}50%{opacity:1}}.mention-chip{border-radius:var(--radius-full);background:var(--otus-teal-pale);color:var(--otus-teal-text);cursor:default;white-space:nowrap;transition:filter .12s var(--ease-out-expo);align-items:center;gap:3px;padding:1px 7px 1px 5px;font-size:.92em;font-weight:600;display:inline-flex}.mention-chip.is-external{background:var(--otus-violet-pale);color:var(--otus-violet-text)}.mention-chip:focus-visible{outline:2px solid var(--otus-gold);outline-offset:2px}