body { font-family: system-ui, -apple-system, sans-serif; }
.container-narrow { max-width: 480px; margin: 0 auto; padding: 1rem; }
#blazor-error-ui {
    background: #ffe7e7; bottom: 0; box-shadow: 0 -1px 2px rgba(0,0,0,.2);
    display: none; left: 0; padding: 0.6rem 1.25rem; position: fixed; width: 100%; z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: 0.75rem; top: 0.5rem; }