:root{
  --bg:#0b1120; --panel:#111827; --panel2:#1f2937; --line:#273244;
  --text:#e5e7eb; --muted:#94a3b8; --brand:#6366f1; --brand2:#4f46e5;
  --green:#22c55e; --red:#ef4444; --amber:#f59e0b; --cyan:#06b6d4;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}
a{color:inherit;text-decoration:none}

.layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--panel);border-right:1px solid var(--line);
  position:fixed;top:0;bottom:0;left:0;overflow-y:auto;z-index:40}
.brand{font-weight:700;font-size:16px;padding:18px 20px;border-bottom:1px solid var(--line)}
.brand span{vertical-align:middle}
.sidebar nav{display:flex;flex-direction:column;padding:10px 0}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:11px 20px;color:var(--muted);
  font-weight:500;border-left:3px solid transparent}
.sidebar nav a .ico{width:20px;text-align:center}
.sidebar nav a:hover{background:var(--panel2);color:var(--text)}
.sidebar nav a.active{background:var(--panel2);color:#fff;border-left-color:var(--brand)}

.main{flex:1;margin-left:240px;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:14px;padding:14px 22px;
  background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.topbar h1{font-size:17px;margin:0;flex:1}
.topbar-right{display:flex;align-items:center;gap:12px}
.who{color:var(--muted);font-size:12px}
.menu-btn{display:none;background:none;border:0;color:var(--text);font-size:20px;cursor:pointer}
.content{padding:22px;max-width:1200px;width:100%}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.card .k{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.card .v{font-size:26px;font-weight:700;margin-top:6px}
.card .s{color:var(--muted);font-size:12px;margin-top:4px}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:20px}
.panel h2{font-size:15px;margin:0 0 14px}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:12px;flex-wrap:wrap}
.panel-head h2{margin:0}

table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}
tr:hover td{background:rgba(255,255,255,.02)}
.table-wrap{overflow-x:auto}

.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600}
.badge-green{background:rgba(34,197,94,.15);color:#4ade80}
.badge-red{background:rgba(239,68,68,.15);color:#f87171}
.badge-amber{background:rgba(245,158,11,.15);color:#fbbf24}
.badge-gray{background:rgba(148,163,184,.15);color:#cbd5e1}
.badge-cyan{background:rgba(6,182,212,.15);color:#22d3ee}
.badge-brand{background:rgba(99,102,241,.15);color:#a5b4fc}

.btn{display:inline-block;background:var(--brand);color:#fff;padding:9px 15px;border-radius:9px;
  border:0;font-size:13px;font-weight:600;cursor:pointer}
.btn:hover{background:var(--brand2)}
.btn-sm{padding:6px 11px;font-size:12px}
.btn-ghost{background:var(--panel2);color:var(--text)}
.btn-ghost:hover{background:#2b3648}
.btn-danger{background:var(--red)}
.btn-danger:hover{background:#dc2626}
.btn-green{background:var(--green)}
.btn-amber{background:var(--amber)}

label{display:block;margin:12px 0 5px;color:var(--muted);font-size:12px;font-weight:600}
input,select,textarea{width:100%;padding:10px 12px;background:var(--bg);border:1px solid var(--line);
  border-radius:9px;color:var(--text);font-size:14px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand)}
textarea{min-height:90px;resize:vertical}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.inline{display:inline}

.flash{padding:12px 15px;border-radius:9px;margin-bottom:14px;font-weight:500}
.flash-success{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:#86efac}
.flash-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5}
.flash-info{background:rgba(6,182,212,.12);border:1px solid rgba(6,182,212,.3);color:#67e8f9}

.pagination{display:flex;gap:6px;margin-top:16px;flex-wrap:wrap}
.pagination a{padding:7px 12px;background:var(--panel2);border-radius:8px;color:var(--muted);font-size:13px}
.pagination a.active{background:var(--brand);color:#fff}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:center}
.toolbar input,.toolbar select{width:auto;min-width:150px}
.muted{color:var(--muted)}
.right{text-align:right}
.nowrap{white-space:nowrap}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.avatar{width:34px;height:34px;border-radius:50%;object-fit:cover;background:var(--panel2);vertical-align:middle}

.login-wrap{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:20px}
.login-card{width:100%;max-width:380px;background:var(--panel);border:1px solid var(--line);
  border-radius:16px;padding:30px}
.login-card h1{font-size:20px;margin:0 0 4px}
.login-card p{color:var(--muted);margin:0 0 18px;font-size:13px}

@media(max-width:860px){
  .sidebar{transform:translateX(-100%);transition:transform .2s}
  .sidebar.open{transform:none}
  .main{margin-left:0}
  .menu-btn{display:block}
  .grid-2{grid-template-columns:1fr}
}