:root { --bg: #fafaf7; --fg: #1d1d1b; --link: #1a5c3a; --line: #d8d8d0; }
@media (prefers-color-scheme: dark) { :root { --bg: #161615; --fg: #ecece6; --link: #8fd4ac; --line: #3a3a36; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 18px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 16px; }
h1 { font-size: 2.4rem; margin: 0 0 1.5rem; letter-spacing: -0.02em; }
.links { list-style: none; margin: 0; padding: 0; width: 100%; max-width: 320px; }
.links li + li { margin-top: 0.75rem; }
.links a { display: block; padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: 8px; text-align: center;
  color: var(--link); text-decoration: none; font-weight: 600; }
.links a:hover, .links a:focus-visible { border-color: var(--link); }