body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  background-image: url('background.png');
  background-size: cover;
  color: white;
}

.desktop {
  padding: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 40px;
}

header h1 {
  font-size: 3rem;
  margin: 0;
}

header p {
  color: #ccc;
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}

.tile {
  padding: 20px;
  font-size: 1.2rem;
  font-weight: bold;
  text-align: center;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.2s ease;
  box-shadow: 0 4px 6px rgba(0,0,0,0.3);
  text-decoration: none;
  color: white;
}

.tile:hover {
  transform: scale(1.05);
}

.tile-blue    { background-color: #0078D7; }
.tile-orange  { background-color: #F7630C; }
.tile-green   { background-color: #107C10; }
.tile-red     { background-color: #E81123; }
.tile-purple  { background-color: #6B69D6; }
.tile-teal    { background-color: #2D7D9A; }

footer {
  text-align: center;
  margin-top: 60px;
  font-size: 0.9rem;
  color: #888;
}

a { 
  text-decoration: none; 
  color: white;
}