:root{--bg:#ffffff;--text:#0b1220;--primary:#0b5ed7;--dark:#111}html,body{height:100%;margin:0;font-family:system-ui,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}.wrap{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.card{text-align:center}h1{font-size:1.25rem;margin:0 0 18px;font-weight:700}.actions{display:flex;gap:12px;justify-content:center}.btn{display:inline-block;padding:12px 18px;border-radius:8px;color:#fff;text-decoration:none;font-weight:700}.btn.primary{background:var(--primary)}.btn.xmr{background:var(--dark)}