:root {
  --bg: #0d1117;
  --bg-card: #161b22;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #2ea043;
  --border: #30363d;
  --link: #58a6ff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 1.8rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.3rem; margin-bottom: 0.5rem; color: var(--text); }
h3 { font-size: 1.1rem; margin-bottom: 0.3rem; }

p { margin-bottom: 1rem; }

.tagline {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.channels {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
}

.channel-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
}

.channel-card h3 { margin-bottom: 0.3rem; }
.channel-card .desc { color: var(--text-muted); font-size: 0.9rem; }
.channel-card .meta { color: var(--text-muted); font-size: 0.8rem; margin-top: 0.5rem; }

.post-list { list-style: none; margin: 1.5rem 0; }
.post-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.post-list li:last-child { border-bottom: none; }
.post-date { color: var(--text-muted); font-size: 0.85rem; margin-right: 0.5rem; }

.post-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  white-space: pre-wrap;
}

.sources {
  margin: 1.5rem 0;
}
.sources h2 { margin-bottom: 0.75rem; }
.sources ul { list-style: none; }
.sources li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}
.sources li:last-child { border-bottom: none; }

.cta-section {
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: center;
}
.cta-section h2 { margin-bottom: 0.5rem; }
.cta-section p { color: var(--text-muted); font-size: 0.95rem; }
.cta-email { margin-top: 1rem; font-size: 1rem; }
.cta-email a { color: var(--link); font-weight: 600; }

.back { margin-top: 2rem; display: inline-block; }

nav {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
nav a { margin-right: 1.25rem; font-size: 0.9rem; }

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
}