:root{color-scheme:dark;--bg:#070b16;--panel:#10172b;--text:#f5f7ff;--muted:#a7b1ca;--line:rgba(255,255,255,.1);--accent:#6ee7c9}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.7}.page{width:min(820px,calc(100% - 32px));margin:0 auto;padding:64px 0}a{color:var(--accent)}.box{padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}h1{line-height:1.1}.muted{color:var(--muted)}.button{display:inline-flex;margin-top:18px;padding:10px 14px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--text)}