.mention-textarea-wrapper{width:100%;position:relative}.mention-textarea-input{background:var(--bg-card);border:1px solid var(--border);width:100%;color:var(--text-primary);resize:vertical;border-radius:8px;padding:.75rem 1rem;font-family:inherit;font-size:.9375rem;line-height:1.5;transition:border-color .2s ease-out}.mention-textarea-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);outline:none}.mention-textarea-input::placeholder{color:var(--text-muted)}.mention-textarea-input:disabled{opacity:.6;cursor:not-allowed}.mention-dropdown{background:var(--bg-card);border:1px solid var(--border);z-index:100;border-radius:8px;max-height:240px;margin-bottom:.5rem;animation:.2s ease-out slideDown;position:absolute;bottom:100%;left:0;right:0;overflow-y:auto;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}@keyframes slideDown{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.mention-loading{color:var(--text-muted);justify-content:center;align-items:center;gap:.625rem;padding:1rem;font-size:.875rem;display:flex}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.mention-item{text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:.75rem;width:100%;padding:.625rem .875rem;transition:background .15s ease-out;display:flex}.mention-item:hover,.mention-item.selected{background:var(--accent-soft)}.mention-item.selected{outline:2px solid var(--accent);outline-offset:-2px}.mention-avatar{background:var(--accent-soft);border:2px solid var(--accent);width:32px;height:32px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.875rem;font-weight:600;display:flex;overflow:hidden}.mention-avatar img{object-fit:cover;width:100%;height:100%}.mention-info{flex-direction:column;flex:1;gap:.125rem;min-width:0;display:flex}.mention-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:.9375rem;font-weight:600;overflow:hidden}.mention-nickname{color:var(--text-muted);font-size:.8125rem}.mention-empty{text-align:center;color:var(--text-muted);padding:1rem;font-size:.875rem}.mention-dropdown::-webkit-scrollbar{width:6px}.mention-dropdown::-webkit-scrollbar-track{background:var(--bg-surface)}.mention-dropdown::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.mention-dropdown::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}