#chat-assistant{position:fixed;right:16px;bottom:16px;z-index:99999;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
.chat-assistant__toggle{background:#000;color:#fff;border:0;border-radius:20px;padding:10px 14px;cursor:pointer;box-shadow:0 6px 16px rgba(0,0,0,.15)}
.chat-assistant__panel{width:320px;max-height:70vh;background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin-top:8px;padding:12px;box-shadow:0 12px 24px rgba(0,0,0,.18)}
.chat-assistant__messages{height:320px;overflow:auto;border:1px solid #f0f0f0;border-radius:8px;padding:10px;margin-bottom:10px}
.chat-assistant__message{margin:6px 0;line-height:1.4}
.chat-assistant__message--user{text-align:right}
.chat-assistant__typing{font-size:12px;color:#6b7280;margin-top:6px}
.chat-assistant__form{display:grid;grid-template-columns:1fr auto;gap:8px}
.chat-assistant__form input{border:1px solid #e5e7eb;border-radius:8px;padding:10px}
.chat-assistant__form button{background:#000;color:#fff;border:0;border-radius:8px;padding:10px 14px;cursor:pointer}