body {
  font-family: system-ui, sans-serif;
  margin: 2rem auto;
  max-width: 95%;
  line-height: 1.6;
}

.centered {
  margin-left: auto;
  margin-right: auto;
  display: block;
}

a { text-decoration: none; color: #0050aa; }
a:hover { text-decoration: underline; }

table.modern {
  width: 65%;
  border-collapse: collapse;
  font-family: system-ui, sans-serif;
  font-size: 0.95rem;
  background-color: white;
  border: 1px solid #ddd;
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

table.modern th,
table.modern td {
  padding: 0.75rem 1rem;
  text-align: left;
}

table.modern thead {
  background: #f6f8fa;
  font-weight: 600;
  border-bottom: 2px solid #ddd;
}

table.modern tbody tr:nth-child(even) {
  background: #fafafa;
}

table.modern tbody tr:hover {
  background: #f0f7ff;
}