table {
  border-collapse: collapse;
  width: 100%;
  margin-top: 20px;
}
th, td {
  border: 1px solid #ddd;
  padding: 12px;
  text-align: left;
}
th {
  background: #f5f5f5;
  font-weight: 600;
}
tr:nth-child(even) {
  background: #fafafa;
}
tr:hover {
  background: #f0f0f0;
}
a {
  color: #0066cc;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
}
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.header h1 {
  margin: 0;
  font-size: 1.5rem;
}
.btn {
  display: inline-block;
  padding: 8px 16px;
  background: #0066cc;
  color: white;
  border-radius: 4px;
  font-size: 14px;
}
.btn:hover {
  background: #0052a3;
}
empty {
  color: #6a6a6a;
  font-style: italic;
}