:root { --text: #1A1530; --muted: #5b5670; --accent: #6C3BFF; --bg: #FFF8EE; --card: #ffffff; --border: #ece5d8; color-scheme: light dark; }
@media (prefers-color-scheme: dark) {
  :root { --text: #F3EFFF; --muted: #B4ACCB; --accent: #A98BFF; --bg: #120F1F; --card: #1B1730; --border: #2c2645; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.7 Inter, system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--accent); }
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; max-width: 860px; margin: 0 auto; padding: 20px 16px; }
.top img { height: 44px; width: auto; display: block; }
.top nav { display: flex; gap: 18px; font-size: 14px; }
.top nav a { text-decoration: none; color: var(--muted); font-weight: 600; }
.top nav a[aria-current] { color: var(--accent); }
main { max-width: 860px; margin: 0 auto 40px; padding: 32px clamp(16px, 4vw, 48px); background: var(--card); border: 1px solid var(--border); border-radius: 20px; }
h1 { font-size: clamp(28px, 4vw, 38px); line-height: 1.15; margin: 0 0 6px; letter-spacing: -.01em; }
h2 { font-size: 20px; margin: 34px 0 8px; }
h3 { font-size: 16px; margin: 20px 0 4px; }
.meta { color: var(--muted); margin-top: 0; }
.summary { background: color-mix(in srgb, var(--accent) 9%, transparent); border-radius: 14px; padding: 16px 20px; margin: 20px 0; }
.summary ul { margin: 8px 0 0; }
li + li { margin-top: 4px; }
footer { text-align: center; color: var(--muted); font-size: 13px; padding: 0 16px 40px; }
footer a { color: var(--muted); }
@media (prefers-color-scheme: dark) { .top img { content: url(/img/yapphub-logo-dark.svg); } }