:root{color-scheme:light;--paper:#fbfcfe;--ink:#16243d;--muted:#63738b;--blue:#135a9a;--line:#e7eef5}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}main{max-width:440px;margin:12vh auto;padding:0 28px}section{padding-top:26px;border-top:2px solid var(--ink)}h1{font-size:25px;font-weight:600;line-height:1.4;margin:0 0 24px}form{display:flex;flex-direction:column}label{font-size:13px;margin-bottom:6px}input{font:inherit;background:#fff;color:var(--ink);border:1px solid #cdd9e5;border-radius:5px;padding:10px 12px;margin-bottom:20px;width:100%}input:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--blue);outline-offset:3px}button{font:inherit;border:1px solid var(--blue);border-radius:5px;background:var(--blue);color:#fff;padding:10px 16px;cursor:pointer;margin-top:4px}button:disabled{cursor:wait;opacity:.65}#error{margin:0 0 16px;color:#9e332d;font-size:13px}.session-note{font-size:12px;color:var(--muted);margin-top:16px}@media(max-width:480px){main{margin:9vh auto;padding:0 24px}h1{font-size:23px}}