:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:Courier New,Courier,monospace;background:#fff}a,body{color:#000}a{text-decoration:none}a:hover{text-decoration:underline}header{justify-content:space-between;padding:20px 28px;border-bottom:1px solid #000}header,main{display:flex;align-items:center}main{min-height:calc(100vh - 80px);justify-content:center;padding:32px}.center-stack{display:flex;flex-direction:column;align-items:center;gap:18px}.button{padding:10px 22px;font-size:16px;font-weight:600;background:#f2f2f2;border:1px solid #000;border-radius:4px;color:#000;cursor:pointer;box-shadow:0 1px 0 rgba(0,0,0,.15)}.button:hover{background:#e8e8e8}.button:focus-visible{outline:2px solid #000;outline-offset:2px}.button:active{transform:translateY(1px);box-shadow:none}.inline-message{font-size:14px}.message-pop{animation:pop .25s ease-out}@keyframes pop{0%{opacity:.2;transform:translateY(-2px)}to{opacity:1;transform:translateY(0)}}.stats{width:min(520px,90vw);display:flex;flex-direction:column;gap:18px}.stats-row{display:flex;justify-content:space-between;border-bottom:1px solid #000;padding-bottom:8px;font-size:16px}.select{border:1px solid #000;padding:8px 10px;font-size:14px;background:#fff;color:#000}