body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f4f4f4;
}

header {
  background: #111;
  color: #fff;
  padding: 10px;
  text-align: center;
}

table {
  border-collapse: collapse;
  width: 100%;
  background: #fff;
}

th, td {
  border: 1px solid #ccc;
  padding: 6px;
  text-align: center;
  position: relative;
  font-size: 12px;
}

th {
  background: #eee;
}

.cell {
  cursor: pointer;
}

/* Tooltip nota */
.note {
  display: none;
  position: absolute;
  bottom: 100%;
  left: 0;
  background: #000;
  color: #fff;
  padding: 4px;
  font-size: 11px;
  white-space: nowrap;
  z-index: 10;
}

.cell:hover .note {
  display: block;
}

.hora-actual {
  background: #41027b;
  font-weight: bold;
  box-shadow: inset 0 0 0 2px #000000;
  color: #fff;
}

.celda-actual {
  background: #41027b !important;
  box-shadow: inset 0 0 0 2px #000000;
  font-weight: bold;
  color: #000;
}


/* Colores actividades */
.DESAYUNO { background:#0019ff; color:#fff }
.TRABAJO { background:#b0003a; color:#fff }
.COMIDA { background:#0019ff; color:#fff }
.DORMIR { background:#2b6ca3; color:#fff }
.EJERCICIO { background:#ff7b00; color:#fff }
.CEH { background:#ff008c; color:#fff }
.RED { background:#140000; color:#fff }
.INGLES { background:#7bd600 }
.IA { background:red; color:#fff }
.NADA { color:#aaa }
.DESPERTAR { background:#444; color:#fff }
.BAÑO { background:#00a8a8; color:#fff }
.REGRESO { background:#555; color:#fff }