#studio25-chat-root { z-index: 99999; }
#studio25-chat-toggle {
  position: fixed; right: 20px; bottom: 22px;
  background:#000;color:#fff;border:none;border-radius:28px;padding:10px 14px;cursor:pointer;
}
#studio25-chat-container {
  position: fixed; right: 20px; bottom: 70px; width: 320px; max-height: 520px;
  background:#fff;border-radius:10px;box-shadow:0 8px 30px rgba(0,0,0,0.18);overflow:hidden;
}
#studio25-chat-header { padding:10px 12px; background:#f7f7f7; display:flex; justify-content:space-between; align-items:center;}
#studio25-chat-messages { height: 300px; overflow-y:auto; padding:10px; background:#fff; }
.chat-bubble { margin:8px 0; padding:8px 10px;border-radius:8px; max-width:90%; }
.chat-bubble.user { margin-left:auto; background:#efefef; text-align:right; }
.chat-bubble.bot { margin-right:auto; background:#f1f9ff; }
.chat-bubble.typing { font-style:italic; color:#777; background:#fffbe6; }
#studio25-chat-controls { display:flex; padding:10px; gap:8px; }
#studio25-chat-input { flex:1; padding:8px; border-radius:6px; border:1px solid #ddd; }
#studio25-chat-send { padding:8px 10px; background:#000;color:#fff;border:none;border-radius:6px; cursor:pointer; }
#studio25-chat-quick { padding:10px; display:flex; gap:8px; flex-wrap:wrap; }
.chat-quick-btn { padding:6px 8px; border-radius:6px; background:#f0f0f0; border:1px solid #e1e1e1; cursor:pointer; font-size:13px; }