:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{width:100%;display:flex;justify-content:center}.container{display:flex;justify-content:center;align-items:center;width:100%}.card{padding:2em;background:#1a1a1a;border-radius:16px;box-shadow:0 4px 30px #00000080;text-align:center;border:1px solid #333;width:300px}h1{font-size:2em;line-height:1.1;margin-bottom:20px;background:linear-gradient(to right,#646cff,#9089fc);-webkit-background-clip:text;background-clip:text;color:transparent}.count-display{font-size:4em;font-weight:700;margin:20px 0;color:#fff}.increment-btn{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#646cff;color:#fff;cursor:pointer;transition:border-color .25s,background-color .25s}.increment-btn:hover{background-color:#535bf2}.increment-btn:disabled{background-color:#444;cursor:not-allowed;opacity:.6}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}.card{background:#f9f9f9;box-shadow:0 4px 30px #0000001a;border:1px solid #eee}.count-display{color:#213547}}