body { font-family: Arial, sans-serif; max-width: 900px; margin: 30px auto; padding: 16px; }
h1 { margin: 0 0 8px 0; font-size: 20px; }
.row { display:flex; gap:10px; align-items:center; justify-content:space-between; }
.msg { padding: 10px; border-radius: 8px; margin: 10px 0; white-space: pre-wrap; }
.user { background: #e6f7ff; }
.assistant { background: #fffbe6; }
.box { border:1px solid #ddd; border-radius: 10px; padding: 12px; background: #fafafa; margin: 12px 0; }
textarea, input, select, button { width: 100%; padding: 10px; margin: 8px 0; }
small, .muted { color:#666; }
.normlist { max-height: 220px; overflow:auto; padding:8px; background:#fff; border:1px solid #eee; border-radius:8px; }
.actions { display:flex; gap:10px; }
.actions form { margin:0; }
.actions button { width:auto; padding:10px 12px; }