:root { color-scheme: dark; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #f3f4ff; background: #11102c; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(ellipse at top, #253a8a, transparent 70%); }
main { width: 100%; max-width: 450px; padding: 32px 24px; background: #19183c; border: 1px solid #444775; border-radius: 28px; text-align: center; }
.brand { color: #6de5ed; letter-spacing: 2px; font-size: 12px; font-weight: 700; }
h1 { margin: 24px 0 16px; font-size: 32px; }
p { line-height: 1.6; color: #c7c9df; }
section { margin-top: 24px; padding: 24px 16px 0; background: #25264f; border-radius: 20px; }
.label { display: block; font-size: 12px; letter-spacing: 2px; }
strong { display: block; font-family: monospace; font-size: clamp(28px, 8vw, 40px); letter-spacing: 3px; padding: 12px 0 20px; }
button, a { display: block; width: 100%; padding: 14px; border: none; border-radius: 14px; color: white; background: #254fff; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
nav { display: grid; gap: 12px; margin: 24px 0; }
button:focus-visible, a:focus-visible { outline: 3px solid #6de5ed; outline-offset: 4px; }
.note { font-size: 12px; }
#copied { min-height: 30px; font-size: 13px; }
[hidden] { display: none !important; }
a.text { display: inline; width: auto; padding: 0; border-radius: 0; background: none; color: #6de5ed; font-weight: 600; text-decoration: underline; }
main.document { max-width: 720px; text-align: left; }
main.document h2 { margin: 28px 0 8px; font-size: 20px; }
main.document li { margin-bottom: 10px; line-height: 1.6; color: #c7c9df; }
main.document ul { padding-left: 20px; }
strong.inline { display: inline; padding: 0; font-family: inherit; font-size: inherit; letter-spacing: normal; color: #f3f4ff; }