:root {
  --bg: #ffffff;
  --text: #111;
  --muted: #666;
  --border: #ddd;
  --link: #0a58ca;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --text: #f5f5f5;
    --muted: #999;
    --border: #333;
    --link: #6aa9ff;
  }
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 700px;
  margin: 40px auto;
  padding: 0 16px;
}

header {
  margin-bottom: 32px;
}

nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
}

nav a {
  text-decoration: none;
  color: var(--muted);
}

nav a:hover {
  color: var(--text);
}

h1 {
  font-size: 28px;
  margin: 0 0 8px;
}

h2 {
  font-size: 18px;
  margin-top: 32px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

th, td {
  text-align: left;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 500;
  color: var(--muted);
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

form {
  margin-top: 16px;
}

input, textarea, button {
  font: inherit;
}

input, textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
}

button {
  margin-top: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  color: var(--text);
}

button:hover {
  background: var(--border);
}

.small {
  font-size: 13px;
  color: var(--muted);
}

ul {
  list-style: none;
  padding: 0;
  margin-top: 24px;
}

ul li {
  margin: 8px 0;
}

ul li a {
  font-size: 18px;
  color: var(--text);
}

ul li a:hover {
  text-decoration: underline;
}