:root {
  color-scheme: light dark;
  --bg: #f7f7f8;
  --fg: #1a1a1a;
  --card-bg: #ffffff;
  --border: #e2e2e4;
  --accent: #2f6feb;
  --muted: #666;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14151a;
    --fg: #eaeaec;
    --card-bg: #1d1e24;
    --border: #2c2d34;
    --accent: #6ea8fe;
    --muted: #9a9aa2;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
}

header {
  padding: 2rem 1.5rem 1rem;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 1.9rem;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.controls label {
  font-size: 0.85rem;
  color: var(--muted);
}

select, button {
  font: inherit;
  padding: 0.45rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--fg);
}

button {
  cursor: pointer;
  border-color: var(--accent);
  color: var(--accent);
}

button:hover {
  background: var(--accent);
  color: #fff;
}

.status {
  font-size: 0.85rem;
  color: var(--muted);
}

.articles {
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
}

.card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.card h2 a {
  color: inherit;
  text-decoration: none;
}

.card h2 a:hover {
  text-decoration: underline;
}

.meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
}

.meta .badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  margin-right: 0.4rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.summary {
  margin: 0;
  line-height: 1.5;
}

.empty, .error {
  text-align: center;
  color: var(--muted);
  padding: 2rem 0;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 1.5rem;
}