:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --border: #e2e2e2;
  --accent: #0b6bcb;
  --row-hover: #f5f8fc;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --text: #ececec;
    --muted: #9a9a9a;
    --border: #2c2c2c;
    --accent: #6cb2ff;
    --row-hover: #1b2431;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
  max-width: 72rem;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.5;
}

header p {
  color: var(--muted);
  margin-top: -0.5rem;
}

#filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: center;
  margin: 1.25rem 0;
}

#filters label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--muted);
}

#filters select {
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th[data-key] {
  cursor: pointer;
  user-select: none;
}

th[data-key]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

th[data-key]:hover {
  color: var(--accent);
}

th[data-dir='asc']::after {
  content: ' ▲';
  font-size: 0.7em;
}

th[data-dir='desc']::after {
  content: ' ▼';
  font-size: 0.7em;
}

tbody tr:hover {
  background: var(--row-hover);
}

td a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

td a:hover {
  text-decoration: underline;
}