.ascii-editor{font-family:'Monaco','Menlo','Ubuntu Mono',monospace;font-size:13px;line-height:1.6;tab-size:2}.line-numbers{font-family:'Monaco','Menlo','Ubuntu Mono',monospace;font-size:13px;line-height:1.6;color:#9ca3af;text-align:right;user-select:none;padding:12px 12px 12px 8px;border-right:1px solid #e5e7eb;min-width:40px;background:#f3f4f6;overflow:hidden}.editor-wrapper{display:flex;background:#f9fafb;border-radius:8px;border:1px solid #e5e7eb;overflow:hidden}.editor-textarea{flex:1;padding:12px;resize:none;border:none;outline:none;background:transparent;font-family:inherit}.format-btn{background-color:#f3f4f6;border-color:#e5e7eb;color:#6b7280}.format-btn:hover{background-color:#e5e7eb;color:#374151}.format-btn.active{background-color:#3b82f6;border-color:#3b82f6;color:white}