body { font-family: Arial, sans-serif; background:#f6f6f6; margin:0; }
.wrap { max-width: 900px; margin: 24px auto; background:#fff; padding:16px; border-radius:10px; }
.row { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-bottom:12px; }
label { font-size:12px; opacity:.8; }
select, button, textarea { padding:8px; }
textarea { width:100%; min-height:70px; }
.chat { border:1px solid #ddd; border-radius:10px; padding:12px; min-height:240px; background:#fff; }
.msg { margin:8px 0; padding:10px; border-radius:10px; white-space:pre-wrap; }
.me { background:#eef; }
.bot { background:#efe; }
.small { font-size:12px; opacity:.7; }