* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: #f5f5f5;
  padding: 20px;
}

#mappingTable {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
  font-size: 14px;
}

#mappingTable th,
#mappingTable td {
  border: 1px solid #ccc;
  padding: 6px 8px;
  text-align: center;
}

#mappingTable th:first-child,
#mappingTable td:first-child {
  text-align: left;
  font-weight: 600;
  min-width: 70px;
  position: sticky;
  left: 0;
  background: #fff;
  z-index: 1;
}

#mappingTable thead th {
  position: sticky;
  top: 0;
  background: #fff;
}

#mappingTable thead th:first-child {
  z-index: 2;
}

#mappingTableContainer {
  overflow-x: auto;
  margin-left: 20px;
}

.punctuation-table {
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 14px;
}

.punctuation-table td {
  border: 1px solid #ccc;
  padding: 8px 12px;
  text-align: center;
}

.rules-table {
  border-collapse: collapse;
  margin-top: 10px;
  font-size: 14px;
  width: 100%;
}

.rules-table td {
  border: 1px solid #ccc;
  padding: 8px 12px;
}

.rules-table tr:nth-child(5) td,
.rules-table tr:nth-child(6) td,
.rules-table tr:nth-child(7) td {
  text-align: center;
}

#rulesBlock,
#punctuationBlock {
  margin-top: 20px;
  margin-left: 20px;
  font-size: 16px;
}

.info-wrapper {
  margin-top: 20px;
  margin-left: 20px;
}

.info-column {
  font-size: 14px;
}

h1 {
  font-size: 28px;
  color: #333;
  margin-bottom: 30px;
  text-align: center;
}

.highlight {
  background-color: #fff3cd;
  border-color: #ffc107;
  font-weight: bold;
}

.container {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}