body {
  font-family: sans-serif;
  background: #000;
  color: #fff;
  text-align: center;
}

h1 {
  margin-top: 1em;
}

#grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1em;
  width: 90%;
  margin: 2em auto;
}

.tile {
  border: 2px solid #555;
  border-radius: 10px;
  padding: 0.5em;
  background: #111;
  outline: none;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.tile img {
  width: 100%;
  border-radius: 6px;
}

/* 🎯 DAS ist TV-entscheidend */
.tile:focus {
  border-color: #ff0000;
  transform: scale(1.05);
}