.checkout-progress { box-sizing:border-box; width:min(480px,calc(100vw - 32px)); border:1px solid #c6dce9; border-radius:22px; padding:32px; color:#102e4f; background:#fff; text-align:center; box-shadow:0 24px 80px #071f3555; }
.checkout-progress::backdrop { background:#071f35ad; backdrop-filter:blur(3px); }
.checkout-progress h2 { font-size:1.6rem; margin:12px 0 24px; }
.checkout-progress p { font-size:1rem; line-height:1.6; }
.checkout-progress .checkout-progress-brand { color:#075ec9; text-transform:uppercase; letter-spacing:.12em; font-size:.8rem; font-weight:800; }
.checkout-progress [data-checkout-step] { font-weight:700; }
.checkout-progress-spinner { margin:20px auto; width:36px; height:36px; border:4px solid #e3edf6; border-top-color:#0869de; border-radius:50%; animation:checkout-spin .9s linear infinite; }
@keyframes checkout-spin { to {transform:rotate(360deg);} }
@media(prefers-reduced-motion:reduce) { .checkout-progress-spinner {animation:none;border-top-color:#0869de;} }