* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: #fff8e9;
  color: #16324f;
  font-family: Arial, Helvetica, sans-serif;
}

.dashboard {
  width: min(1000px, calc(100% - 40px));
  margin: 0 auto;
  padding: 50px 0;
}

h1 {
  margin: 0 0 30px;
  font-size: 2rem;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.tile {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: 20px;

  background-color: #dceff8;
  border: 1px solid #b7d8e8;
  border-radius: 12px;

  color: #16324f;
  font-size: 1.05rem;
  font-weight: bold;
  text-align: center;
  text-decoration: none;

  transition:
    background-color 0.2s ease,
    transform 0.2s ease;
}

.tile:hover {
  background-color: #c9e6f3;
  transform: translateY(-3px);
}

@media (max-width: 800px) {
  .tiles {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .tiles {
    grid-template-columns: 1fr;
  }
}

.group-divider {
  grid-column: 1 / -1;
  margin-top: 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid #b7d8e8;
}

.group-divider h2 {
  margin: 0;
  color: #35647c;
  font-size: 1.2rem;
}