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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  background: #f8f9fa;
  color: #212529;
}

header {
  padding: 16px 24px;
  background: #fff;
  border-bottom: 1px solid #dee2e6;
}

header h1 {
  font-size: 1.25rem;
  font-weight: 600;
}

main {
  padding: 24px;
}

.table-wrap {
  overflow-x: auto;
  background: #fff;
  border: 1px solid #dee2e6;
  border-radius: 6px;
}

table {
  border-collapse: collapse;
  white-space: nowrap;
}

th, td {
  padding: 6px 10px;
  border-bottom: 1px solid #f0f0f0;
  border-right: 1px solid #f0f0f0;
  text-align: center;
  vertical-align: middle;
}

th {
  background: #f8f9fa;
  font-weight: 600;
  font-size: 12px;
  color: #495057;
  position: sticky;
  top: 0;
}

td.domain-col, th.domain-col {
  text-align: left;
  font-family: monospace;
  font-size: 12px;
  min-width: 180px;
  position: sticky;
  left: 0;
  background: #fff;
  z-index: 1;
}

th.domain-col {
  background: #f8f9fa;
  z-index: 2;
}

tr:last-child td {
  border-bottom: none;
}

td:last-child, th:last-child {
  border-right: none;
}

td.cell {
  font-size: 16px;
  cursor: default;
}

td.cell.passed  { background: #f0fff4; }
td.cell.unknown { background: #fffbf0; }
td.cell.failed  { background: #fff5f5; }