:root{--bg:#fbfaf8;--fg:#1d1d1f;--muted:#6e6e73;--card:#fff;--line:#e5e2dc;--accent:#0a66d8}
@media (prefers-color-scheme:dark){:root{--bg:#111214;--fg:#f2f2f4;--muted:#a0a0a8;--card:#1b1c1f;--line:#2c2d31;--accent:#5aa2ff}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.55 -apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Arial,sans-serif}
main{max-width:760px;margin:0 auto;padding:40px 20px 64px}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header.app{display:flex;gap:20px;align-items:center;margin:8px 0 28px}
header.app img{width:96px;height:96px;border-radius:22px;box-shadow:0 2px 10px rgba(0,0,0,.15)}
h1{font-size:34px;line-height:1.15;margin:0}h2{font-size:22px;margin:36px 0 10px}h3{font-size:15px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:26px 0 6px}
.sub{color:var(--muted);font-size:19px;margin:4px 0 0}
ul{padding-left:1.2em}li{margin:4px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:12px 0}
.apps a.card{display:flex;gap:16px;align-items:center;color:inherit}.apps a.card:hover{text-decoration:none;border-color:var(--accent)}
.apps img{width:64px;height:64px;border-radius:15px}.apps strong{font-size:19px}
details{border-top:1px solid var(--line);padding:12px 0}details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:600}details p{margin:8px 0 0;color:var(--muted)}
footer{margin-top:48px;color:var(--muted);font-size:14px}nav{font-size:15px;margin-bottom:8px}