body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: rgb(230, 230, 230);
}
header {
  background-color: #fb024f;
  color: white;
  padding: 10px;
  text-align: center;
}
nav {
  display: flex;
  background-color: #00ffff;
}
nav button {
  flex: 1;
  padding: 10px;
  border: none;
  cursor: pointer;
  background-color: #00ffff;
}
nav button.active {
  background-color: #ff00ff;
  color: white;
}
section {
  display: none;
  padding: 10px;
}
section.active {
  display: block;
}
input,
select {
  padding: 5px;
  margin: 3px;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}
table,
th,
td {
  border: 1px solid black;
}
th,
td {
  padding: 5px;
  text-align: center;
}
.btn {
  padding: 5px 10px;
  margin: 5px;
  cursor: pointer;
}
.estado-rojo {
  background-color: #ff6666;
  color: white;
}
.estado-amarillo {
  background-color: #ffeb99;
}
.estado-verde {
  background-color: #99ff99;
}
/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1;
  padding-top: 60px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.4);
}
.modal-content {
  background-color: #fefefe;
  margin: auto;
  padding: 20px;
  border: 1px solid #888;
  width: 80%;
}
.cerrar {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}
.cerrar:hover,
.cerrar:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}