:root{--bg:#ffffff;--fg:#111418;--muted:#626871;--line:#e4e7ec;--accent:#0a7cff;--card:#ffffff}@media (prefers-color-scheme:dark){:root{--bg:#0d1013;--fg:#f2f4f7;--muted:#9aa2ad;--line:#232a31;--card:#151a1f}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased}main{max-width:44rem;margin:0 auto;padding:3rem 1.25rem 5rem}h1{font-size:clamp(2rem,6vw,2.75rem);line-height:1.15;letter-spacing:-.02em;margin:0 0 1rem}h2{font-size:1.25rem;letter-spacing:-.01em;margin:2.5rem 0 .5rem}p{color:var(--muted);margin:0 0 1rem}a{color:var(--accent)}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:1.5rem;margin:1.5rem 0}.row{display:flex;justify-content:space-between;gap:1rem;padding:.5rem 0;border-bottom:1px solid var(--line)}.row:last-child{border-bottom:0}.row span:first-child{color:var(--muted)}.actions{display:flex;gap:.75rem;margin-top:1.5rem;flex-wrap:wrap}button{font:inherit;font-weight:600;padding:.7rem 1.4rem;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--fg);cursor:pointer}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}ul{color:var(--muted);padding-left:1.1rem}code{background:var(--line);padding:.1rem .35rem;border-radius:5px;font-size:.9em}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;word-break:break-all}