:root{color-scheme:light dark;--bg:#f3f1ec;--fg:#15211f;--ac:#1f7a80;--onac:#fff;--serif:"New York",ui-serif,"Iowan Old Style","Charter",Georgia,serif}
@media(prefers-color-scheme:dark){:root{--bg:#000;--fg:#edf3f1;--ac:#5cc8c4;--onac:#04201f}}
body{margin:0;min-height:100dvh;display:grid;place-items:center;background:var(--bg);color:var(--fg);font:17px/1.4 -apple-system,BlinkMacSystemFont,"SF Pro Text",system-ui,sans-serif}
main{text-align:center;padding:2rem;width:100%;max-width:380px}img{border-radius:22px;box-shadow:0 10px 30px rgba(14,60,64,.25)}h1{margin:1rem 0 0;font:700 40px var(--serif);letter-spacing:-.015em}p{margin:.25rem 0 2.2rem;opacity:.6;font-family:var(--serif);font-style:italic;font-size:18px}
.go{display:block;padding:16px;border-radius:18px;background:var(--ac);color:var(--onac);text-decoration:none;font-weight:600}.err{color:#d6453b;opacity:1;margin-top:1rem;font-style:normal;font-family:inherit;font-size:15px}