:root{color:#111827;background:#f0f2f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}.app-shell{min-height:100vh}.app-shell__header{color:#fff;background:#0e6b5f;justify-content:space-between;align-items:center;gap:16px;min-height:58px;padding:9px 20px;display:flex}.app-shell__eyebrow{letter-spacing:.08em;text-transform:uppercase;opacity:.78;margin:0 0 1px;font-size:.7rem;font-weight:700}.app-shell h1{margin:0;font-size:1.05rem}.calculator-frame{background:#f0f2f5;height:calc(100vh - 58px);min-height:700px}.calculator-frame iframe{border:0;width:100%;height:100%;display:block}@media (width<=560px){.app-shell__header{padding:9px 12px}}