#stan-bubble{position:fixed;right:18px;bottom:18px;z-index:99999}
#stan-bubble button{border:0;border-radius:999px;padding:14px 16px;font-weight:700;color:#fff;cursor:pointer;background:#0693E3;box-shadow:0 8px 24px rgba(0,0,0,.25)}
#stan-panel{position:fixed;right:18px;bottom:86px;width:360px;max-width:92vw;background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(2,6,23,.2);overflow:hidden;z-index:99999;display:none}
#stan-header{padding:12px 14px;font-weight:800;border-bottom:1px solid #eef2f7;background:#f8fafc}
#stan-body{max-height:60vh;overflow:auto;padding:12px;background:#fff}
#stan-input{display:flex;gap:8px;padding:10px;border-top:1px solid #eef2f7;background:#fafafa}
#stan-input input{flex:1;padding:10px;border:1px solid #e5e7eb;border-radius:10px}
#stan-input button{padding:10px 14px;border:0;border-radius:10px;background:#0693E3;color:#fff;font-weight:700;cursor:pointer}