#novo-ai-btn { position: fixed; right: 20px; bottom: 20px; z-index: 1030; border: 0; border-radius: 999px; padding: 10px 16px;
  background: #0b69f6; color: #fff; font-weight: 600; box-shadow: 0 6px 20px rgb(11 105 246 / .35); }
#novo-ai-panel { position: fixed; right: 20px; bottom: 72px; z-index: 1030; width: min(420px, calc(100vw - 32px)); height: min(620px, calc(100vh - 110px));
  display: flex; flex-direction: column; background: var(--card-bg, #fff); border: 1px solid var(--border-color, #e5e7eb); border-radius: 16px; box-shadow: 0 12px 40px rgb(0 0 0 / .18); }
#novo-ai-panel[hidden] { display: none; }
.novo-ai-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--border-color, #e5e7eb); }
.novo-ai-head button { border: 0; background: none; font-size: 16px; color: var(--text-muted); }
.novo-ai-msgs { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.novo-ai-msg { padding: 9px 12px; border-radius: 12px; max-width: 88%; font-size: 13px; line-height: 1.45; }
.novo-ai-msg.user { align-self: flex-end; background: #0b69f6; color: #fff; }
.novo-ai-msg.assistant { align-self: flex-start; background: var(--subtle-fg, #f3f4f6); }
.novo-ai-msg.pending { align-self: stretch; border: 1.5px solid #f59e0b; background: #fffbeb; color: #78350f; max-width: none; }
.novo-ai-actions { display: flex; gap: 6px; margin-top: 8px; }
.novo-ai-form { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--border-color, #e5e7eb); }
.novo-ai-form textarea { flex: 1; resize: none; border: 1px solid var(--border-color, #e5e7eb); border-radius: 10px; padding: 8px; font-size: 13px; }
.novo-ai-link { color: #0b69f6; font-weight: 600; text-decoration: none; }
.novo-ai-link:hover { text-decoration: underline; }