:root {
  --as-bg: #0f1115;
  --as-surface: #171a21;
  --as-border: #262b36;
  --as-text: #e7e9ee;
  --as-muted: #9aa1b1;
  --as-accent: #4f8cff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--as-bg);
  color: var(--as-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.as-topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--as-border);
}

.as-brand, .as-title {
  color: var(--as-text);
  text-decoration: none;
  font-weight: 600;
}

.as-brand { color: var(--as-muted); }
.as-title { font-size: 1.1rem; }

.as-hero {
  padding: 2.5rem 1.5rem 1.5rem;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.as-hero h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

.as-hero p {
  color: var(--as-muted);
  margin: 0;
}

.as-list {
  max-width: 760px;
  margin: 0 auto;
  padding: 1rem 1.5rem 3rem;
  display: grid;
  gap: 1rem;
}

.as-card {
  display: block;
  background: var(--as-surface);
  border: 1px solid var(--as-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  text-decoration: none;
  color: var(--as-text);
  transition: border-color 0.15s ease;
}

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

.as-card h2 {
  margin: 0.4rem 0 0.4rem;
  font-size: 1.15rem;
}

.as-card p {
  margin: 0 0 0.5rem;
  color: var(--as-muted);
}

.as-card time {
  color: var(--as-muted);
  font-size: 0.8rem;
}

.as-category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--as-accent);
  background: rgba(79, 140, 255, 0.12);
  border-radius: 999px;
  padding: 0.15rem 0.6rem;
}

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

.as-article {
  max-width: 680px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.as-article h1 {
  margin: 0.6rem 0 0.3rem;
  font-size: 1.9rem;
  line-height: 1.25;
}

.as-article time {
  color: var(--as-muted);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 1.5rem;
}

.as-article p {
  line-height: 1.7;
  color: #d3d6de;
  margin: 0 0 1.1rem;
}

.as-back {
  display: inline-block;
  margin-top: 1.5rem;
  color: var(--as-accent);
  text-decoration: none;
  font-weight: 600;
}