:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --surface: #f5f6f8;
  --border: #e3e5e9;
  --text: #1c1d21;
  --muted: #5b5e66;
  --accent: #5a6cf0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1013;
    --surface: #17181c;
    --border: #26282e;
    --text: #f2f3f5;
    --muted: #9a9da5;
    --accent: #7c8bff;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 17px;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

header.site {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 20px;
  flex-shrink: 0;
}

header.site .name {
  font-weight: 600;
  font-size: 18px;
}

h1 {
  font-size: 28px;
  line-height: 1.25;
  margin: 0 0 4px;
}

.updated {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 32px;
}

h2 {
  font-size: 20px;
  margin: 36px 0 8px;
}

p, li {
  color: var(--text);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 12px 0;
  color: var(--text);
}

.card:hover {
  border-color: var(--accent);
  text-decoration: none;
}

.card .card-title {
  font-weight: 600;
  font-size: 17px;
}

.card .card-sub {
  color: var(--muted);
  font-size: 14px;
  margin-top: 2px;
}

footer.site {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}