:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1f2937;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 2rem;
  display: flex;
  justify-content: center;
}
.container {
  max-width: 700px;
  width: 100%;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}
h1 { margin: 0; font-size: 1.5rem; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}
.card {
  background: var(--card);
  padding: 1.25rem;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: transform 0.15s, box-shadow 0.15s;
  border-left: 4px solid var(--accent);
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  color: var(--accent);
}
.btn-private {
  font-size: 0.85rem;
  color: #6b7280;
  text-decoration: none;
}
.btn-private:hover { text-decoration: underline; }