:root{
  --bg0:#030816;
  --bg1:#061338;
  --fg:#eaf7ff;
  --muted:#9bb0c5;
  --glass: rgba(255,255,255,.07);
  --glass2: rgba(255,255,255,.10);
  --border: rgba(255,255,255,.14);
  --shadow: 0 22px 70px rgba(0,0,0,.45);
  --radius: 20px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC","Microsoft YaHei", Arial;
  color:var(--fg);
  background: radial-gradient(900px 600px at 20% 8%, rgba(0,180,255,.18), transparent 55%),
              radial-gradient(900px 600px at 80% 18%, rgba(120,80,255,.15), transparent 60%),
              linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow:hidden;
}
.bg{position:fixed;inset:0;pointer-events:none;
  background:
    radial-gradient(800px 500px at 12% 20%, rgba(0,200,255,.16), transparent 65%),
    radial-gradient(800px 500px at 88% 15%, rgba(180,120,255,.14), transparent 60%),
    radial-gradient(900px 700px at 50% 120%, rgba(0,120,255,.10), transparent 60%);
}
.glass{
  background: linear-gradient(180deg, var(--glass2), var(--glass));
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.admin-top{position:sticky;top:10px;margin:10px;z-index:10}
.admin-wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 16px}
.admin-brand{display:flex;align-items:center;gap:12px}
.logo{width:44px;height:44px;border-radius:16px;display:grid;place-items:center;font-weight:900;
  background: linear-gradient(135deg, rgba(0,200,255,.25), rgba(120,80,255,.18));
  border:1px solid rgba(255,255,255,.16);
}
.t1{font-weight:900}
.t2{font-size:12px;color:var(--muted)}
.admin-right{display:flex;align-items:center;gap:10px}
.who{padding:8px 10px;border-radius:14px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06)}
.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:16px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);color:var(--fg);text-decoration:none;font-weight:800}
.btn:hover{background:rgba(255,255,255,.12)}
.btn-ghost{background:transparent}
.admin-shell{display:grid;grid-template-columns:260px 1fr;gap:14px;height:calc(100vh - 90px);padding:0 10px 10px}
.side{padding:14px;overflow:auto}
.side-link{display:block;padding:12px 12px;border-radius:16px;color:var(--fg);text-decoration:none;border:1px solid transparent;margin-bottom:10px;background:rgba(255,255,255,.06)}
.side-link:hover{border-color:rgba(255,255,255,.16);background:rgba(255,255,255,.10)}
.content{overflow:auto;padding:0 0 10px}
.panel{padding:16px;margin-bottom:14px}
.h1{font-size:22px;font-weight:900;margin:0 0 12px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.card{padding:14px}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-6{grid-column:span 6}
.col-12{grid-column:span 12}
@media (max-width:1000px){.admin-shell{grid-template-columns:1fr}.side{display:none}.col-3,.col-4,.col-6{grid-column:span 12}body{overflow:auto}}
.kpi{display:flex;flex-direction:column;gap:6px}
.kpi .n{font-size:26px;font-weight:900}
.table{width:100%;border-collapse:separate;border-spacing:0 10px}
.table th{color:var(--muted);text-align:left;font-size:12px;padding:0 10px}
.table td{padding:12px 10px;background:rgba(255,255,255,.06);border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12)}
.table tr td:first-child{border-left:1px solid rgba(255,255,255,.12);border-top-left-radius:16px;border-bottom-left-radius:16px}
.table tr td:last-child{border-right:1px solid rgba(255,255,255,.12);border-top-right-radius:16px;border-bottom-right-radius:16px}
.input,textarea{width:100%;padding:12px;border-radius:16px;border:1px solid rgba(255,255,255,.16);background:rgba(0,0,0,.16);color:var(--fg);outline:none}
textarea{min-height:140px;resize:vertical}
.input:focus,textarea:focus{border-color:rgba(0,200,255,.35);box-shadow:0 0 0 4px rgba(0,180,255,.12)}
.notice{padding:12px 14px;border-radius:16px;border:1px solid rgba(255,255,255,.14);background:rgba(0,200,255,.09);margin-bottom:12px}
.err{background:rgba(255,80,120,.10)}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.small{font-size:12px;color:var(--muted)}