:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --bg: #ffffff;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #7c3aed;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e5e7eb;
    --bg: #111114;
    --muted: #9ca3af;
    --border: #2a2a30;
  }
}

* {
  box-sizing: border-box;
}

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

header, main, footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem;
}

header h1 {
  margin-bottom: 0.25rem;
}

.logo {
  height: 1.5em;
  width: auto;
  vertical-align: -0.3em;
  margin-right: 0.35rem;
}

.back-link {
  margin: 0 0 0.75rem 0;
  font-size: 0.9rem;
}

.back-link a {
  color: var(--muted);
  text-decoration: none;
}

.back-link a:hover {
  text-decoration: underline;
}

.tagline {
  color: var(--muted);
}

code {
  background: var(--border);
  padding: 0.1rem 0.35rem;
  border-radius: 0.25rem;
  font-size: 0.85em;
}

a {
  color: var(--accent);
}

.status {
  color: var(--muted);
  font-style: italic;
  margin-bottom: 1.5rem;
}

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

.feed-card {
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.85rem 1rem;
}

.feed-card-header {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.feed-kind {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: var(--border);
  color: var(--fg);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.feed-author {
  color: var(--muted);
  font-size: 0.8rem;
}

.feed-time {
  color: var(--muted);
  font-size: 0.8rem;
  margin-left: auto;
}

.feed-summary {
  margin: 0;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

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