:root{ --brand:#c85a2d; }

body, .chatbox, .chatbox *{
  font-family: Arial, Helvetica, sans-serif;
}

.chat-toggle{
  position:fixed;
  right:20px;
  bottom:20px;
  width:70px;
  height:70px;
  border-radius:50%;
  background:var(--brand);
  color:white;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:28px;
  cursor:pointer;
}

.chatbox{
  position:fixed;
  right:20px;
  bottom:100px;
  width:360px;
  height:500px;
  background:white;
  border-radius:12px;
  box-shadow:0 10px 40px rgba(0,0,0,0.3);
  display:flex;
  flex-direction:column;
}

.hidden{display:none}

.chat-header{
  background:var(--brand);
  color:white;
  padding:10px;
  display:flex;
  justify-content:space-between;
}

.chat-messages{
  flex:1;
  padding:10px;
  overflow:auto;
}

.msg{
  margin-bottom:10px;
  padding:8px 10px;
  border-radius:8px;
  max-width:80%;
}

.user{
  background:var(--brand);
  color:white;
  margin-left:auto;
}

.bot{
  background:#eee;
}

.chat-input{
  display:flex;
  border-top:1px solid #ddd;
  padding:8px;
}

.chat-input input{
  flex:1;
  padding:8px;
}

.chat-input button{
  margin-left:6px;
  padding:8px 12px;
  background:var(--brand);
  color:white;
  border:none;
  cursor:pointer;
}

@media(max-width:600px){
  .chatbox{
    width:95%;
    right:2.5%;
    height:70%;
  }
}