:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;color:#1a1a1a;background:#f6f7fb}*{box-sizing:border-box}body{margin:0}#root{min-height:100vh}.page{min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding:2.5rem 1.5rem 1.5rem}.card{width:100%;max-width:440px;background:#fff;border-radius:12px;padding:1.5rem 1.25rem;box-shadow:0 4px 24px #10182814}@media (min-width: 480px){.card{padding:2rem}}.layout{max-width:480px}.pay-header h1{font-size:1.35rem;margin:.25rem 0 .5rem}.eyebrow{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:#64748b;margin:0;font-weight:600}.muted{color:#64748b;margin:0;font-size:.9rem}.muted.small{font-size:.85rem;margin-bottom:.75rem}.error-text,.error-banner{color:#b42318}.error-banner{font-size:.9rem;margin:.75rem 0 0}.summary{border:1px solid #e7eaf0;border-radius:8px;padding:1rem;margin:1.25rem 0;background:#fafbfc}.summary-row{display:flex;justify-content:space-between;align-items:center;gap:1rem}.amount{font-size:1.15rem}.item-list{margin:.75rem 0 0;padding-left:1.1rem;font-size:.9rem;color:#475569}.h2{font-size:1rem;margin:0 0 .25rem}.element-wrap{margin-top:.5rem}.pay-button{width:100%;margin-top:1.25rem;padding:.85rem 1rem;font-size:1rem;font-weight:600;color:#fff;background:#635bff;border:none;border-radius:8px;cursor:pointer}.pay-button:disabled{opacity:.55;cursor:not-allowed}.pay-button:not(:disabled):hover{filter:brightness(1.05)}