body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
  background: #f4f4f4;
}
header {
  background-color: #2c3e50;
  color: white;
  padding: 1rem 2rem;
  text-align: center;
}
h1 {
  margin: 0;
  font-size: 2rem;
}
.search-bar {
  margin: 1rem auto;
  text-align: center;
}
.search-bar input {
  padding: 0.6rem;
  width: 80%;
  max-width: 600px;
  font-size: 1rem;
  border-radius: 5px;
  border: 1px solid #ccc;
}
.board {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  padding: 1rem;
}
.column {
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  width: 300px;
  padding: 1rem;
  transition: transform 0.2s ease;
}
.column:hover {
  transform: translateY(-5px);
}
.column h2 {
  font-size: 1.2rem;
  border-left: 5px solid #3498db;
  padding-left: 0.5rem;
  margin-bottom: 0.5rem;
}
.link {
  margin: 0.3rem 0;
}
.link a {
  text-decoration: none;
  color: #2c3e50;
}
.link a:hover {
  text-decoration: underline;
}