body {
  background: lightyellow;
  font-family: Arial, sans-serif;
  min-height: 100vh;
}

a {
  font-size: 18px;
  color: white;
  text-decoration: none;
}

h1 {
  text-align: center;
}

h4 {
  font-size: 18px;
  color: red;
}

p {
  font-size: 15px;
  width: 600px;
  margin-bottom: 20px;
}

/* Estructura principal */
#container {
  background: lightblue;
  border: 1px solid black;
  min-height: 100vh;
  padding-bottom: 20px;
}

/* Cabecera */
header {
  background: red;
  color: white;
  text-align: center;
  line-height: 50px;
  height: 50px;
}

/* Navegación */
nav {
  background: lightcyan;
  height: 50px;
  border-bottom: 1px solid black;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 10px;
}

nav ul {
  display: flex;
  gap: 10px;
  list-style: none;
}

nav ul li {
  margin: 10px;
}

.clearfix {
  clear: both;
}

/* Contenido Principal */
#content {
  float: right;
  width: 80%;
  min-height: 550px;
  max-height: 1150px;
}

#estado {
  text-align: center;
  font-size: 20px;
  color: black;
}

/* Inputs y Botones */
input[type="text"], input[type="password"], #interruptor, #id_targeta, #equipo, #text, #boton, #Enviar {
  width: 150px;
  font-size: 18px;
  color: black;
  margin-bottom: 15px;
  padding: 6px;
  background: white;
}

input[type="text"], input[type="password"] {
  width: calc(100% - 22px);
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
}

#text {
  width: 80%;
  padding: 5px;
  margin-top: 30px;
  cursor: pointer;
}

#boton {
  background: blue;
  color: white;
  text-align: center;
  font-family: monospace;
  font-size: 12px;
  margin-top: 10px;
  cursor: pointer;
}

/* Barra Lateral */
aside {
  background: black;
  color: white;
  text-align: center;
  font-size: 15px;
  width: 20%;
  min-height: 100vh;
  padding: 10px;
}

/* Tablas */
table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 20px;
}

#buscar {
  margin-top: 10px;
}