body {
  font-family: sans-serif;
  padding: 1rem;
  background: #111;
  color: #eee;
}

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

table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

th {
  background-color: #1e1e1e;
  color: #f0f0f0;
  padding: 8px 12px;
  font-weight: 600;
  border-bottom: 2px solid #444;
}

td {
  padding: 8px 12px;
  background-color: #222;
  color: #ddd;
  border-bottom: 1px solid #444;
}

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

td.high {
  background-color: #2a482a;
  color: #aaffaa;
}

td.mutated {
  background-color: #4b2a55;
  color: #dd99ff;
}

td.normal {
  background-color: #222;
  color: #eee;
}

#error {
  color: #ff4d4d;
  margin: 1rem 0;
  display: none;
}

#output {
  overflow-x: auto;
  margin-top: 1rem;
}

sl-tab-group {
  margin-top: 1rem;
}

#error {
  color: red;
  margin: 1rem 0;
  display: none;
}

#output {
  overflow-x: auto;
}

sl-tab-group {
  margin-top: 1rem;
}