body {
  font-family: sans-serif;
  background: #111;
  color: white;
  margin: 0;
}
.logo {
  height: 60px;
  margin-right: 20px;
}
.navbar {
  background: #000;
  display: flex;
  align-items: center;
  padding: 10px 20px;
}
.navbar ul {
  list-style: none;
  display: flex;
  gap: 15px;
}
.navbar a {
  color: white;
  text-decoration: none;
}
.container {
  padding: 20px;
}
.filters {
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
select, button {
  padding: 5px;
  font-size: 14px;
}
table {
  width: 100%;
  border-collapse: collapse;
}
thead {
  background: #333;
}
td, th {
  padding: 8px;
  border: 1px solid #444;
}
tr:nth-child(even) {
  background: #222;
}

/* fila de grupo de categoría */
tr.grp td{
  background:#111 !important;
  color:#fff;
  font-weight:bold;
}