.ums-cbk{--cb-navy:#0a0e29;--cb-accent:#e10a15;--cb-card:#fff;--cb-text:#0a0e29;--cb-muted:#616161;background:linear-gradient(180deg,var(--cb-navy)0%,#05070f 100%);justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;font-family:Montserrat,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}.ums-cbk-card{background:var(--cb-card);width:100%;max-width:420px;color:var(--cb-text);text-align:center;border-radius:14px;padding:2.5rem 2rem;box-shadow:0 12px 40px #00000059}.ums-cbk-title{margin:1.1rem 0 .4rem;font-size:1.35rem;font-weight:700}.ums-cbk-msg{color:var(--cb-muted);margin:0;font-size:.9rem}.ums-cbk-spinner{border:4px solid #e6e8f0;border-top-color:var(--cb-accent);border-radius:50%;width:44px;height:44px;margin:0 auto;animation:.8s linear infinite ums-cbk-spin}@keyframes ums-cbk-spin{to{transform:rotate(360deg)}}.ums-cbk-icon{color:#fff;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;margin:0 auto;font-size:1.5rem;font-weight:800;display:flex}.ums-cbk-icon-err{background:var(--cb-accent)}.ums-cbk-btn{background:var(--cb-navy);color:#fff;text-transform:uppercase;letter-spacing:.03em;border-radius:8px;margin-top:1.4rem;padding:.65rem 1.4rem;font-size:.8rem;font-weight:700;text-decoration:none;display:inline-block}.ums-cbk-btn:hover{background:var(--cb-accent)}