:root{color-scheme:light;--bg:#f5f5f7;--ink:#1d1d1f;--muted:#66666b;--line:#dedee5;--blue:#0066cc}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,BlinkMacSystemFont,'SF Pro Text','Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;letter-spacing:-.15px}
[hidden]{display:none!important}.login-panel{min-height:100vh;min-height:100svh;display:grid;place-items:center;padding:22px;padding-bottom:max(22px,env(safe-area-inset-bottom))}.login-card{width:min(430px,100%);padding:32px;background:#fff;border:1px solid var(--line);border-radius:18px}h1{font-size:25px;line-height:1.2;margin:0 0 20px;font-weight:650}.muted,.field-help{color:var(--muted)}.muted{margin:14px 0}.field-help{font-size:13px;margin:10px 0}.account-help{margin-top:28px}label{display:block;font-size:14px;margin:16px 0 0}input:not([type=checkbox]){display:block;width:100%;min-height:44px;margin-top:6px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);font:inherit;font-size:16px}.remember{display:flex;align-items:center;gap:8px;min-height:44px}.remember input{width:18px;height:18px;accent-color:var(--blue);margin:0}.actions{display:flex;justify-content:flex-end;margin-top:20px}button{min-height:44px;padding:10px 18px;border:0;border-radius:12px;background:var(--ink);color:#fff;font:inherit;font-weight:600;cursor:pointer}button:disabled{opacity:.55;cursor:wait}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid #76adf2;outline-offset:3px}.error{color:#b42318;font-size:14px;overflow-wrap:anywhere}.error:empty{display:none}a{color:var(--blue);text-underline-offset:2px}
@media(max-width:700px),(pointer:coarse) and (max-width:1100px){.login-panel{display:block;height:auto;overflow:visible}.login-card{margin-inline:auto;padding:26px 24px}}