.chat-box{
  margin-top:20px;
  border:1px solid #e5e7eb;
  border-radius:16px;
  overflow:hidden;
  background:#fff;
}
.chat-header{
  background:#0b4f8a;
  color:white;
  padding:14px;
  font-weight:bold;
}
.chat-mensajes{
  height:280px;
  overflow:auto;
  background:#f8fafc;
  padding:12px;
}
.chat-msg{
  max-width:78%;
  margin:8px 0;
  padding:10px 12px;
  border-radius:14px;
  word-wrap:break-word;
  font-size:15px;
}
.chat-msg.yo{
  margin-left:auto;
  background:#dcfce7;
  border-bottom-right-radius:4px;
}
.chat-msg.otro{
  margin-right:auto;
  background:#dbeafe;
  border-bottom-left-radius:4px;
}
.chat-meta{
  display:block;
  font-size:11px;
  color:#64748b;
  margin-top:5px;
}
.chat-input-row{
  display:flex;
  gap:8px;
  padding:10px;
  background:white;
}
.chat-input-row input{
  flex:1;
  padding:13px;
  border:1px solid #cbd5e1;
  border-radius:12px;
  font-size:15px;
}
.chat-input-row button{
  width:auto;
  min-width:90px;
  padding:13px 16px;
  border-radius:12px;
  background:#2563eb;
  color:white;
  border:0;
  cursor:pointer;
}
.chat-estado{
  padding:0 12px 10px;
  font-size:13px;
  color:#64748b;
}