:root{
  --nav:#1b2431; --nav2:#222d3d; --line:#e6eaef; --txt:#39445a; --muted:#8a93a5;
  --bg:#f4f6fa; --pri:#409eff; --ok:#27ae60; --bad:#e74c3c;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{font:13px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;
  color:var(--txt);background:var(--bg)}
a{color:var(--pri);text-decoration:none}
.shell{display:flex;height:100vh;overflow:hidden}

/* 侧栏 */
.side{width:196px;flex:0 0 196px;background:linear-gradient(180deg,#1b2431,#141b26);
  color:#c6d2e1;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:8px;height:52px;padding:0 14px;color:#fff;
  font-size:14px;border-bottom:1px solid rgba(255,255,255,.06)}
.logo{color:#42b883;font-size:18px}
.nav{padding:8px 8px;overflow:auto;flex:1}
.gtitle{padding:12px 10px 4px;font-size:10.5px;letter-spacing:.06em;color:#6b7c94;text-transform:uppercase}
.ni{display:block;padding:8px 11px;border-radius:5px;color:#c6d2e1;font-size:13px}
.ni:hover{background:var(--nav2);color:#fff}
.ni.on{background:var(--pri);color:#fff}
.foot{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;
  font-size:11px;color:#5d6b80;border-top:1px solid rgba(255,255,255,.06)}
.link{background:none;border:0;color:#9fb0c6;cursor:pointer;font-size:11.5px;padding:0}
.link:hover{color:#fff}

/* 顶部 */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.top{height:48px;background:#fff;border-bottom:1px solid var(--line);display:flex;
  align-items:center;justify-content:space-between;padding:0 16px;flex:0 0 48px}
.crumb{color:var(--muted);font-size:12.5px}
.who{font-size:12.5px;color:#5c6679}
.content{flex:1;min-height:0;display:flex;flex-direction:column;padding:14px;overflow:auto}

/* 总览 */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px 16px;
  display:flex;flex-direction:column;gap:6px;transition:.15s}
.card:hover{border-color:#bcd9ff;box-shadow:0 6px 18px rgba(40,90,160,.08)}
.ct{font-size:14px;font-weight:600;color:#2c3648}
.cd{color:var(--muted);font-size:12px;min-height:32px}
.cf{display:flex;justify-content:space-between;align-items:center;font-size:11.5px;color:#8a93a5}
.go{color:var(--pri)}
.dot{display:inline-block;padding:1px 8px;border-radius:9px;background:#eef2f7;color:#8a93a5}
.dot.ok{background:#eaf6ef;color:#1e8e4e}
.dot.bad{background:#fdecea;color:#c0392b}
.note{margin-top:14px;font-size:12px;color:#8a93a5;line-height:1.8}
code{background:#eef2f7;padding:1px 5px;border-radius:3px;font-size:11.5px}

/* iframe 模块 */
.framebar{display:flex;justify-content:space-between;align-items:center;font-size:12px;
  color:#8a93a5;padding:0 2px 8px;flex:0 0 auto}
.frame{flex:1;width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;min-height:0}

/* 登录 */
.loginpage{display:grid;place-items:center;height:100vh;
  background:linear-gradient(135deg,#1b2b3a,#020a12)}
.loginbox{width:340px;background:#fff;border-radius:10px;padding:26px 24px;
  box-shadow:0 12px 40px rgba(0,0,0,.35)}
.loginbox h1{font-size:17px;margin:0 0 4px;color:#1f2b3c}
.loginbox .sub{color:var(--muted);font-size:12px;margin:0 0 18px}
.loginbox label{display:block;font-size:12px;color:#6b7488;margin:10px 0 5px}
.loginbox input{width:100%;height:36px;padding:0 10px;border:1px solid #dfe4ea;border-radius:5px;
  font-size:13px;outline:none}
.loginbox input:focus{border-color:var(--pri);box-shadow:0 0 0 2px rgba(64,158,255,.12)}
.loginbox button{width:100%;height:38px;margin-top:18px;border:0;border-radius:5px;
  background:var(--pri);color:#fff;font-size:14px;cursor:pointer}
.loginbox button:hover{background:#2b7fd4}
.err{margin:8px 0 0;padding:8px 10px;background:#fdecea;color:#c0392b;border-radius:5px;font-size:12px}