:root{font-family:Segoe UI,system-ui,sans-serif;color:#1a1a1a;background:#f4f5f7}body{margin:0}.page{max-width:520px;margin:0 auto;padding:2.5rem 1.25rem}.header h1{margin:0 0 1.25rem;font-size:1.5rem;font-weight:600}.card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 1px 3px #00000014}.muted{color:#5c5c5c;margin:0 0 1rem}.email{margin:0 0 .75rem}.total{margin:0 0 1.25rem;font-size:1.05rem}.amount{color:#0d6efd;font-weight:700}.sub{color:#888;font-size:.85rem}.actions{display:flex;flex-wrap:wrap;gap:.5rem}.btn{border:none;border-radius:8px;padding:.55rem 1rem;font-size:.95rem;cursor:pointer}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.primary{background:#0d6efd;color:#fff}.btn.primary:hover:not(:disabled){background:#0b5ed7}.btn.ghost{background:#eef0f3;color:#333}.btn.ghost:hover{background:#e2e5ea}.notice{color:#0a58ca;margin:0 0 .75rem}.error{color:#b02a37;margin:0 0 .75rem}