/* 登录页专属（settings.php 未登录分支，独立 mini 文档，作用域限定不污染全局） */
body.login{display:flex;align-items:center;justify-content:center;height:100vh;margin:0;
  font-family:-apple-system,"Segoe UI","PingFang SC",sans-serif}
body.login .box{width:300px;padding:28px 32px;border-radius:12px}
body.login h1{font-size:18px;margin:0 0 16px}
body.login .err{color:var(--danger-fg);font-size:13px;margin-bottom:10px}
body.login input{width:100%;padding:8px 10px;margin-bottom:12px;border:1px solid var(--border);
  border-radius:8px;box-sizing:border-box;background:var(--input-bg);color:var(--input-fg)}
body.login button{width:100%;padding:9px;border:0;border-radius:8px;background:var(--primary);color:#fff;cursor:pointer}