:root {
  --brand: #ff2d2d;
  --accent: #6e1fff;
  --text: #111;
  --muted: #555;
  --line: #e6e8eb;
  --bg: #fff;
  --link: #0077ff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text: #f2f2f2;
    --muted: #aaa;
    --line: #2a2a2a;
    --bg: #000;
    --link: #6bb8ff;
  }
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif
}

header {
  padding: 12px 18px;
  border-bottom: 1px solid var(--line)
}

.logo {
  font-weight: 800
}

.logo b {
  color: var(--brand)
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 22px
}

h1 {
  font-size: 42px;
  margin: 18px 0 10px;
  line-height: 1.2
}

h2 {
  font-size: 28px;
  margin: 36px 0 14px
}

h3 {
  font-size: 22px;
  margin: 20px 0 10px
}

h4 {
  font-size: 17px;
  margin: 12px 0 6px
}

h5 {
  font-size: 14px;
  margin: 6px 0 4px;
  color: var(--muted)
}

p {
  line-height: 1.85;
  margin: 10px 0
}

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

.cta {
  display: inline-block;
  margin: 10px 10px 0 0;
  padding: 10px 14px;
  border-radius: 12px;
  border: none;
  background: #6e1fff;
  color: #fff !important;
}

.cta.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff
}

.note {
  font-size: 13px;
  color: var(--muted)
}

.grid {
  display: grid;
  gap: 16px
}

@media(min-width:960px) {
  .grid.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }

  .grid.cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr))
  }
}

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-top: 20px;
}

.toc {
  border: 1px solid #4c4c4c;
  border-radius: 14px;
  padding: 16px;
  background: #1a1a1a;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0
}

.chip {
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px
}
.toc ol li a {
  color: #fff !important;
}
.card-new {
  margin-top:24px !important;
}