*{box-sizing:border-box}html,body,#root{height:100%;margin:0}html{overscroll-behavior:none;touch-action:manipulation}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#0f172a;color:#f1f5f9;overscroll-behavior:none;-webkit-user-select:none;user-select:none}button{font-family:inherit;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent}input{font-family:inherit}.screen{min-height:100vh;display:flex;flex-direction:column;padding:1.5rem}.screen-fixed{height:100vh;overflow:hidden;display:flex;flex-direction:column;padding:1.5rem}.card{background:#1e293b;border-radius:12px;padding:1rem 1.25rem}.grid{display:grid;gap:1rem}.touch-btn{border-width:3px;border-style:solid;border-radius:20px;transition:transform .08s ease,filter .08s ease,box-shadow .08s ease;-webkit-tap-highlight-color:transparent}.touch-btn:active{transform:scale(.94);filter:brightness(.82)}.touch-btn:disabled{filter:grayscale(.6) brightness(.7);transform:none}