body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: #f4f4f4;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.navbar {
  background-color: #3f51b5;
  color: white;
  padding: 1rem 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.navbar h1 {
  margin: 0;
  font-size: 1.5rem;
}

.menu {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

select, button {
  padding: 0.5rem;
  border-radius: 4px;
  border: none;
  font-weight: 600;
  cursor: pointer;
}

button {
  background-color: #ffffff;
  color: #3f51b5;
}

button:hover {
  background-color: #e0e0e0;
}

main {
  padding: 1.5rem;
  flex: 1;
}

.array {
  display: flex;
  align-items: flex-end;
  height: 300px;
  background: white;
  border: 1px solid #ccc;
  padding: 1rem;
  gap: 2px;
  overflow-x: auto;
}

.cell {
  background-color: #3f51b5;
  width: 15px;
  transition: height 0.2s ease;
}

.cell.current {
  background-color: orange;
}

.cell.min {
  background-color: red;
}

.cell.done {
  background-color: green;
}

footer {
  background-color: #f1f1f1;
  text-align: center;
  padding: 1rem;
}