:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --fg: #e8eaed;
  --muted: #9aa0a6;
  --card: #1a1d24;
  --accent: #7cb7ff;
  --border: #2a2f3a;
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7f9;
    --fg: #1a1d24;
    --muted: #5f6368;
    --card: #ffffff;
    --accent: #1a73e8;
    --border: #dadce0;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 4rem;
}

header h1 {
  margin: 0 0 0.35rem;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}

header p {
  margin: 0 0 2rem;
  color: var(--muted);
}

.list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card {
  display: block;
  padding: 1rem 1.1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: var(--accent);
}

.card h2 {
  margin: 0 0 0.25rem;
  font-size: 1.05rem;
}

.card .url {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.empty {
  color: var(--muted);
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

footer {
  margin-top: 2.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}