:root{color-scheme:dark;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}body{margin:0;background:#111315;color:#e6ebf2;min-height:100vh;display:grid;place-items:center}main{max-width:480px;padding:24px;text-align:center}p{font-size:15px;line-height:1.8;word-break:keep-all}.checkout-actions{display:flex;gap:12px;justify-content:center}button{font:inherit;font-size:14px;background:#20242a;color:#d9e4f2;border:1px solid #556270;border-radius:6px;padding:10px 18px;cursor:pointer}button:focus-visible{outline:2px solid #9bbbf0;outline-offset:3px}[hidden]{display:none!important}button[aria-disabled="true"]{opacity:.55;cursor:wait}