:root{color-scheme:light dark}body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:#f4f4f5;font-family:-apple-system,Segoe UI,Arial,Helvetica,sans-serif;color:#18181b;padding:24px;box-sizing:border-box}main{max-width:420px;width:100%;background:#fff;border-radius:12px;padding:32px;text-align:center;box-shadow:0 1px 3px #0000001a}h1{font-size:18px;margin:0 0 16px}#message{font-size:14px;line-height:1.5;margin:0 0 20px;color:#3f3f46}#open-app-btn{display:inline-block;background-color:#18181b;color:#fff;border:none;padding:12px 20px;border-radius:6px;font-size:14px;cursor:pointer}#open-app-btn[hidden]{display:none}@media (prefers-color-scheme: dark){body{background-color:#09090b;color:#f4f4f5}main{background:#18181b;box-shadow:none}#message{color:#d4d4d8}#open-app-btn{background-color:#f4f4f5;color:#18181b}}