/* Reset básico */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
}

/* Fondo general */
body {
  background: linear-gradient(to right, #f0f4f8, #d9e2ec);
  color: #333;
  padding: 20px;
}

/* Contenedor principal */
.container, .form-container {
  max-width: 600px;
  margin: auto;
  background-color: #fff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Títulos */
h2, h3, h4 {
  margin-bottom: 15px;
  color: #2c3e50;
}

/* Formularios */
form {
  margin-top: 15px;
}

input[type="email"],
input[type="password"],
input[type="text"],
textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 16px;
  transition: border-color 0.3s;
}

input:focus, textarea:focus {
  border-color: #3498db;
  outline: none;
}

/* Botones */
button {
  background-color: #3498db;
  color: white;
  padding: 10px 18px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #2980b9;
}

/* Botón peligro */
button[style*="background-color:#d9534f"] {
  background-color: #e74c3c;
}

button[style*="background-color:#d9534f"]:hover {
  background-color: #c0392b;
}

/* Mensajes */
.mensaje {
  padding: 10px;
  margin: 8px 0;
  border-radius: 6px;
  background-color: #ecf0f1;
}

.mensaje.usuario {
  background-color: #dff9fb;
}

.mensaje.ia {
  background-color: #f6e58d;
}

.consulta-admin {
  background-color: #fefefe;
  border: 1px solid #ddd;
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 8px;
}

/* Listado de usuarios */
ul {
  list-style: none;
  padding-left: 0;
}

li {
  padding: 8px 0;
  border-bottom: 1px solid #eee;
}

/* Avisos */
div[style*="background-color:#dff0d8"],
div[style*="background-color:#f2dede"],
div[style*="background-color:#d9edf7"] {
  font-weight: bold;
  text-align: center;
}

/* Responsive */
@media (max-width: 600px) {
  .container, .form-container {
    padding: 15px;
  }

  button {
    width: 100%;
  }
}