body {
  font-family: system-ui, sans-serif;
  background: #121212;
  color: #e0e0e0;
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}

h1 {
  font-size: 2rem;
  border-bottom: 2px solid #444;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

h2 {
  font-size: 1.4rem;
  margin-top: 2rem;
  border-left: 4px solid #90caf9;
  padding-left: 0.5rem;
  color: #ffffff;
}

ul {
  list-style: disc;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

.done {
  text-decoration: line-through;
  color: #888;
}

a {
  color: #90caf9;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

section {
  margin-bottom: 2rem;
}

.tag {
  background: #333;
  padding: 0.2em 0.5em;
  border-radius: 4px;
  font-size: 0.9em;
  margin-left: 0.5rem;
}

.meta {
  font-size: 0.85em;
  color: #999;
  margin-top: 0.2em;
}