#wsai-bubble {
  position: fixed;
  bottom: 18px;
  z-index: 999999;
  border: none;
  border-radius: 999px;
  padding: 12px 14px;
  cursor: pointer;
  font-weight: 600;
}

#wsai-panel {
  position: fixed;
  bottom: 72px;
  width: 320px;
  height: 420px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
  z-index: 999999;
  display: none;
  overflow: hidden;
  font-family: Arial, sans-serif;
}

#wsai-header {
  padding: 10px 12px;
  font-weight: 700;
  border-bottom: 1px solid #eee;
}

#wsai-messages {
  height: 310px;
  overflow: auto;
  padding: 10px 12px;
  font-size: 14px;
}

.wsai-msg { margin: 8px 0; line-height: 1.35; }
.wsai-user { text-align: right; }
.wsai-bot { text-align: left; opacity: .95; }

#wsai-inputbar {
  border-top: 1px solid #eee;
  display: flex;
  gap: 8px;
  padding: 10px;
}
#wsai-input {
  flex: 1;
  padding: 10px;
}
#wsai-send {
  padding: 10px 12px;
  cursor: pointer;
}