:root{color-scheme:light;--olive:#202020;--paper:#fcfcfc;--sand:#d9d9d9;--ink:#202020}*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:var(--paper);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Malgun Gothic",sans-serif;display:grid;place-items:center;padding:24px}main{width:min(100%,340px)}img{display:block;margin:0 auto 12px;border-radius:20px}h1{text-align:center;font-size:23px;font-weight:500;margin:0 0 28px}label{display:block;margin:16px 0;font-size:13px}input{display:block;width:100%;font:inherit;color:inherit;border:1px solid var(--sand);border-radius:10px;background:#fff;padding:13px;margin-top:6px}input:focus{outline:2px solid var(--olive);outline-offset:2px}button{width:100%;border:0;border-radius:10px;background:var(--olive);color:#fff;padding:13px;font:inherit;margin-top:20px;cursor:pointer}button:disabled{opacity:.5}small,p,a{font-size:13px}small{color:#646464}a{display:block;color:var(--ink);text-align:center;margin-top:18px}#message{padding:10px;background:var(--sand);border-radius:8px}[hidden]{display:none!important}