body {
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  margin: 0;
  min-height: 100dvh;      
  display: flex;          
  justify-content: center;
  align-items: center;
  text-align: center;
}

.iniciar-sesion {
  background: transparent;
  padding: 40px;
  border-radius: 15px;  
  width: 400px;
  max-width: 90%;
}

h2 {
  color: #F28922;
  font-size: 28px;
  margin-bottom: 20px;
}

input, button {
  padding: 10px;
  margin: 10px 0;
  width: 80%;                    
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 14px;
}

button {
  background-color: #F28922;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background-color: #f2d5b3;
  color: #F28922;
}

#mensaje {
  color: red;
  margin-top: 15px;
  font-size: 14px;
}

/* Ajustes en pantallas medianas */
@media (max-width: 1000px) and (min-width: 601px) {
  .iniciar-sesion {
    width: 400px;
    padding: 30px;
  }
  input, button {
    font-size: 14px;
    padding: 10px;
  }
}

/* Ajustes en móviles */
@media (max-width: 600px) {
  .iniciar-sesion {
    width: 65%;
    padding: 20px;
  }
  input, button {
    font-size: 14px;
    padding: 10px;
  }
}