:root{--buncss-light:initial;--buncss-dark: ;color-scheme:light dark;color:#ffffffde;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%;background-color:#242424;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,Avenir,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.5}@media (prefers-color-scheme:dark){:root{--buncss-light: ;--buncss-dark:initial}}a{color:#646cff;text-decoration:inherit;font-weight:500}a:hover{color:#535bf2}body{display:flex;place-items: center;min-width:320px;min-height:100vh;margin:0}h1{font-size:3.2em;line-height:1.1}#app{text-align:center;max-width:1280px;margin:0 auto;padding:2rem}.logo{will-change:filter;height:6em;padding:1.5em;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.vanilla:hover{filter:drop-shadow(0 0 2em #3178c6aa)}.card{padding:2em}.read-the-docs{color:#888}button{cursor:pointer;background-color:#1a1a1a;border:1px solid #0000;border-radius:8px;padding:.6em 1.2em;transition:border-color .25s;font-family:inherit;font-size:1em;font-weight:500}button:hover{border-color:#646cff}button:focus{outline:4px auto -webkit-focus-ring-color}button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#target-number{margin-bottom:10px;font-weight:700}#usable-digits,#operators{display:flex;justify-content:center}.input-button{cursor:pointer;user-select:none;border-radius:50%;width:50px;height:50px;font-weight:700;line-height:50px}.input-button:active{filter:invert()}.digit-input{border:3px dotted #fff}.digit-input.selected{color:#000;background:#0f0}.operator-input{border:3px solid #000}.operator-input.selected{background:red}#undo-btn{border:3px solid green}