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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1a1a1a;
  background: #fafafa;
  line-height: 1.5;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header {
  margin-bottom: 2rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
}

.subtitle {
  color: #666;
  margin-top: 0.25rem;
}

.methodology {
  margin-bottom: 1.5rem;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  background: #fff;
}

.methodology-toggle {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  background: none;
  border: none;
  text-align: left;
  font-size: 0.9rem;
  font-weight: 600;
  color: #444;
  cursor: pointer;
}

.methodology-toggle:hover {
  color: #111;
}

.methodology-content {
  padding: 0 1rem 1rem;
  font-size: 0.875rem;
  color: #444;
}

.methodology-content p {
  margin-bottom: 0.75rem;
}

.regression-stats {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.8rem;
  background: #f5f5f5;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
}

.source {
  font-size: 0.8rem;
  color: #888;
}

.source a {
  color: #666;
}

.controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

#search {
  padding: 0.5rem 0.75rem;
  border: 1px solid #d0d0d0;
  border-radius: 4px;
  font-size: 0.875rem;
  width: 280px;
}

#search:focus {
  outline: none;
  border-color: #888;
}

.count {
  font-size: 0.8rem;
  color: #888;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
}

thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

th {
  background: #f5f5f5;
  padding: 0.6rem 0.75rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  color: #555;
  border-bottom: 2px solid #e0e0e0;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

th:hover {
  background: #eee;
}

th.active {
  color: #111;
}

th.sort-asc::after {
  content: " \25B2";
  font-size: 0.65rem;
}

th.sort-desc::after {
  content: " \25BC";
  font-size: 0.65rem;
}

td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid #f0f0f0;
  white-space: nowrap;
}

tr:hover td {
  background: #f8f8ff;
}

td:first-child {
  color: #999;
  font-size: 0.8rem;
}

td.school-name {
  font-weight: 500;
  white-space: normal;
  min-width: 200px;
}

td.score {
  font-weight: 600;
  font-family: "SF Mono", "Fira Code", monospace;
}

.positive {
  color: #16803c;
}

.negative {
  color: #c33;
}

.neutral {
  color: #888;
}

.legend-heading {
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0.75rem 0 0.4rem;
  color: #333;
}

.legend {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  color: #555;
}

.legend li {
  margin-bottom: 0.3rem;
  line-height: 1.4;
}

.legend .badge {
  margin-right: 0.4rem;
  margin-left: 0;
}

.badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
  margin-left: 0.25rem;
  vertical-align: middle;
  letter-spacing: 0.02em;
}

.badge-hbcu {
  background: #e8f0fe;
  color: #1a4480;
}

.badge-hsi {
  background: #fef0e8;
  color: #804d1a;
}

@media (max-width: 768px) {
  body {
    padding: 1rem 0.5rem;
  }

  #search {
    width: 100%;
  }

  .controls {
    flex-direction: column;
    align-items: stretch;
  }
}