.aicu-wrapper{
  max-width:700px;
  margin:20px auto;
  background:#f6f9ff;
  border-radius:18px;
  padding:18px;
  box-shadow:0 20px 40px rgba(0,0,0,.08);
  font-family:system-ui,-apple-system,Arial;
}
.aicu-chat-window{
  background:#fff;
  border-radius:16px;
  padding:12px;
  min-height:260px;
  max-height:450px;
  overflow-y:auto;
}
.aicu-bubble{
  margin:8px 0;
  padding:10px 14px;
  border-radius:16px;
  max-width:82%;
}
.aicu-user{background:#dbeafe;margin-left:auto;}
.aicu-bot{background:#e5e7eb;margin-right:auto;}
#aicu-form{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:15px;
}

.aicu-input-row{
  display:flex;
  align-items:center;
  gap:10px;
}

.aicu-attach{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:12px;
  border:1px solid #d1d5db;
  background:#fff;
  cursor:pointer;
  user-select:none;
}

.aicu-attach input[type="file"]{
  display:none;
}

.aicu-file-list{
  font-size:13px;
  color:#374151;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.aicu-attach-note{
  margin-top:6px;
  font-size:12px;
  color:#374151;
  opacity:.85;
}
#aicu-form textarea{
  min-height:44px;
  resize:none;
  border-radius:12px;
  border:1px solid #d1d5db;
  padding:10px;
}
#aicu-form button{
  border:0;
  padding:10px 16px;
  border-radius:12px;
  cursor:pointer;
}