.nlc-rich-shell{border:1px solid #b9c9d9;border-radius:10px;background:#fff;margin:8px 0 16px;overflow:hidden}.nlc-rich-toolbar{display:flex;flex-wrap:wrap;gap:6px;background:#f1f6fa;padding:10px;border-bottom:1px solid #d9e4ed}.nlc-rich-toolbar button{min-width:39px;border:1px solid #c3d2df;border-radius:6px;padding:6px 10px;background:white;color:#243e53;cursor:pointer}.nlc-rich-toolbar button:hover,.nlc-rich-toolbar button:focus{background:#dff0fb}.nlc-rich-input{padding:16px;min-height:260px;max-height:620px;overflow:auto;line-height:1.7;color:#1c2c3d;white-space:pre-wrap;overflow-wrap:anywhere}.nlc-rich-input:focus{outline:2px solid #74b8dd;outline-offset:-2px}.nlc-rich-input img{max-width:100%;height:auto}.nlc-rich-hint{padding:8px 12px;border-top:1px solid #e1eaf1;color:#536c80;font-size:13px}.nlc-rich-input:empty:before{content:attr(data-placeholder);color:#7d8b98;pointer-events:none}