.levita-chat {border:1px solid #e5e7eb;border-radius:10px;padding:12px;max-width:720px;}
.levita-row {display:flex;gap:8px;align-items:center;margin-bottom:8px;}
.levita-window {height: var(--levita-height, 420px); overflow:auto; background:#f9fafb; border:1px solid #eee; border-radius:8px; padding:12px; margin-bottom:8px;}
.levita-input {display:flex; gap:8px;}
.levita-input input{flex:1; padding:10px; border:1px solid #d1d5db; border-radius:8px;}
.levita-input button{padding:10px 14px; border:1px solid #111827; background:#111827; color:#fff; border-radius:8px; cursor:pointer;}
.levita-bubble{background:#fff; border:1px solid #e5e7eb; padding:10px 12px; border-radius:12px; margin:6px 0; max-width:85%; white-space:pre-wrap;}
.levita-bubble.me{margin-left:auto; background:#111827; color:#fff; border-color:#111827;}
.levita-bubble.typing{opacity:.7; font-style:italic;}