/* 平台账号相关页面（注册 / 登录 / 用户中心） */
:root{
  --a-blue:#1565c0; --a-blue2:#1e88e5;
  --a-text:#1f2d3d; --a-muted:#6b7c8d; --a-line:#e3e9f0;
  --a-danger:#d64545; --a-ok:#1a8a4f; --a-bg:#f4f7fb;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--a-bg);color:var(--a-text);line-height:1.6;
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:32px 20px;
}
a{color:var(--a-blue);text-decoration:none}
a:hover{text-decoration:underline}

.auth-box{background:#fff;border-radius:16px;width:100%;max-width:460px;overflow:hidden;
  box-shadow:0 2px 8px rgba(10,37,64,.04),0 20px 48px rgba(10,37,64,.08)}
.auth-box.wide{max-width:720px}
.auth-head{background:linear-gradient(135deg,var(--a-blue2),var(--a-blue));color:#fff;padding:28px 36px}
.auth-head h1{font-size:20px;font-weight:600;margin-bottom:6px}
.auth-head p{font-size:13px;opacity:.85}
.auth-body{padding:28px 36px 32px}

.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--a-muted);margin-bottom:7px}
.field input{width:100%;padding:11px 14px;border:1px solid var(--a-line);border-radius:8px;
  font-size:15px;font-family:inherit;color:var(--a-text);transition:border-color .2s ease,box-shadow .2s ease}
.field input:focus{outline:none;border-color:var(--a-blue);box-shadow:0 0 0 3px rgba(30,136,229,.12)}
.field .hint{font-size:12px;color:var(--a-muted);margin-top:6px}
.field .hint.err{color:var(--a-danger)}
.field .hint.ok{color:var(--a-ok)}

.slug-wrap{display:flex;align-items:stretch}
.slug-wrap .prefix{display:flex;align-items:center;padding:0 10px;background:#eef4fb;color:var(--a-muted);
  font-size:13px;border:1px solid var(--a-line);border-right:none;border-radius:8px 0 0 8px;white-space:nowrap}
.slug-wrap input{border-radius:0 8px 8px 0}

.btn{display:block;width:100%;padding:12px;border:none;border-radius:8px;cursor:pointer;
  font-size:15px;font-weight:500;font-family:inherit;
  background:linear-gradient(135deg,var(--a-blue2),var(--a-blue));color:#fff;transition:opacity .2s ease,transform .2s ease}
.btn:hover{opacity:.92}
.btn:active{transform:translateY(1px)}

.msg{padding:11px 14px;border-radius:8px;font-size:14px;margin-bottom:18px}
.msg.err{background:#fde8e8;color:var(--a-danger)}
.msg.ok{background:#e9f7ef;color:var(--a-ok)}

.auth-foot{margin-top:20px;padding-top:18px;border-top:1px solid var(--a-line);
  font-size:14px;color:var(--a-muted);text-align:center}
.auth-foot a{font-weight:500}

/* 用户中心 */
.site-card{border:1px solid var(--a-line);border-radius:12px;padding:18px 20px;margin-bottom:14px;background:#fafcfe}
.site-card h3{font-size:16px;font-weight:600;margin-bottom:4px}
.site-card .url{font-size:13px;color:var(--a-muted);word-break:break-all;margin-bottom:14px}
.site-card .url code{background:#eef4fb;color:var(--a-blue);padding:2px 6px;border-radius:4px;font-size:13px}
.site-actions{display:flex;gap:10px;flex-wrap:wrap}
.site-actions a{padding:8px 16px;border-radius:8px;font-size:14px;font-weight:500;text-decoration:none}
.site-actions .primary{background:var(--a-blue);color:#fff}
.site-actions .ghost{background:#eef4fb;color:var(--a-blue)}
.site-actions .primary:hover,.site-actions .ghost:hover{text-decoration:none;opacity:.9}
.bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.bar .who{font-size:14px;color:var(--a-muted)}
.bar .who b{color:var(--a-text)}
@media (max-width:520px){
  .auth-body{padding:22px 22px 26px}
  .auth-head{padding:22px}
  body{padding:16px 12px}
}