*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#0f172a;color:#f1f5f9}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit}.screen{min-height:100vh;display:flex;flex-direction:column;padding:1.5rem}