.dynamic-grid {
  display: grid;
  grid: auto-flow dense / repeat(auto-fit, minmax(200px, 1fr));
  grid-auto-rows: minmax(120px, auto);
  gap: 15px;
  max-width: 800px;
  margin: 0 auto;
}

.dynamic-grid > div {
  padding: 20px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: white;
  text-align: center;
}

.card1 { background: linear-gradient(45deg, #ff9a9e, #fecfef); }
.card2 { background: linear-gradient(45deg, #a8edea, #fed6e3); grid-row: span 2; }
.card3 { background: linear-gradient(45deg, #ffecd2, #fcb69f); }
.card4 { background: linear-gradient(45deg, #ff8a80, #ea6100); }
.card5 { background: linear-gradient(45deg, #8fd3f4, #84fab0); grid-column: span 2; }
.card6 { background: linear-gradient(45deg, #d299c2, #fef9d7); }

.grid-controls {
  margin: 15px 0;
  text-align: center;
}

.grid-controls button {
  margin: 0 5px;
  padding: 8px 16px;
  background: #3498db;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
}

.grid-controls button:hover {
  background: #2980b9;
}