:root {
  color-scheme: light;
  font-family: Inter, Arial, sans-serif;
}

body {
  margin: 0;
  background: #f7f9fc;
  color: #1f2937;
}

.container {
  width: min(900px, 92vw);
  margin: 0 auto;
  padding: 2rem 0;
}

header h1 {
  margin-bottom: 0.5rem;
}

header p {
  margin-top: 0;
  color: #4b5563;
}

.article-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.article-list a {
  display: block;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 1rem;
  color: #111827;
  text-decoration: none;
  font-weight: 600;
}

.article-list a:hover {
  border-color: #0ea5e9;
  color: #0c4a6e;
}

article {
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 1.5rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 1rem;
}