.rich-prompt-editor:empty:before{content:attr(data-placeholder);color:#94a3b899;pointer-events:none}.rich-prompt-editor:focus{border-color:#3b82f680;box-shadow:0 0 0 1px #3b82f633}.rich-prompt-mention{display:inline-flex;align-items:center;gap:3px;padding:1px 6px 1px 2px;margin:0 1px;border-radius:4px;background:#3b82f626;border:1px solid rgba(59,130,246,.3);vertical-align:middle;cursor:pointer;-webkit-user-select:all;user-select:all;line-height:1.4;transition:background .15s}.rich-prompt-mention:hover{background:#3b82f640}.rich-prompt-mention-img{width:20px;height:20px;border-radius:3px;object-fit:cover;flex-shrink:0;pointer-events:none}.rich-prompt-mention-label{font-size:12px;font-weight:500;color:#3b82f6e6;max-width:60px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;pointer-events:none}