:root { color-scheme: light; background: #f8f8f4; }
* { box-sizing: border-box; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; }
.calculator-shell { width: 100%; height: 100dvh; overflow: hidden; }
.calculator-frame { display: block; visibility: hidden; border: 0; transform-origin: top left; background: #f8f8f4; }
.noscript-message { position: absolute; top: 0; padding: 1.25rem; color: #19352e; font: 1rem/1.6 Arial, sans-serif; }