body {
  font-family: "Segoe UI", Arial, sans-serif;
  background-color: #0d1117;
  color: #e6edf3;
  margin: 0;
  padding: 0;
}

header {
  background-color: #161b22;
  padding: 1rem;
  text-align: center;
  border-bottom: 1px solid #30363d;
}

h1 {
  margin: 0;
  font-size: 1.8rem;
}

main {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1rem;
}

footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  color: #8b949e;
  border-top: 1px solid #30363d;
}

footer a {
  color: #58a6ff;
  text-decoration: none;
}

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

.loading {
  text-align: center;
  padding: 2rem;
  color: #8b949e;
}

.repo-card {
  background-color: #161b22;
  padding: 1rem;
  margin-bottom: 1rem;
  border: 1px solid #30363d;
  border-radius: 8px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.repo-card:hover {
  transform: translateY(-2px);
  border-color: #58a6ff;
}

.repo-name {
  font-size: 1.2rem;
  font-weight: bold;
  margin-bottom: 0.3rem;
}

.commit-message {
  color: #58a6ff;
  text-decoration: none;
}

.commit-message:hover {
  text-decoration: underline;
}

.commit-meta {
  font-size: 0.85rem;
  color: #8b949e;
}