:root{
  --bg:#0b0f14; --panel:#111826; --panel2:#0f1726;
  --border:#1f2a3a; --txt:#e8eef6; --muted:#9fb0c7;
  --brand:#2b8cff; --good:#36d399; --bad:#ff6b6b; --warn:#fbbf24;
  --radius:16px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--txt)}
a{color:inherit}
code{background:#0b0f14;border:1px solid var(--border);padding:2px 6px;border-radius:10px}
.layout{display:grid;grid-template-columns:270px 1fr;min-height:100vh}
.sidebar{border-right:1px solid var(--border);background:linear-gradient(180deg,#0f1726,#0b0f14);padding:18px}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.logo{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:var(--brand);font-weight:900}
.brand h1{font-size:16px;margin:0}
.badge{font-size:11px;color:#cfe4ff;background:rgba(43,140,255,.16);border:1px solid rgba(43,140,255,.35);padding:6px 10px;border-radius:999px}
.nav{margin-top:14px;display:flex;flex-direction:column;gap:6px}
.nav a{display:flex;gap:10px;align-items:center;text-decoration:none;padding:10px 12px;border-radius:14px;color:var(--muted);border:1px solid transparent}
.nav a:hover{background:rgba(255,255,255,.03);color:var(--txt);border-color:rgba(255,255,255,.04)}
.nav a.active{background:rgba(43,140,255,.12);border-color:rgba(43,140,255,.35);color:var(--txt)}
.main{padding:22px}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.title{display:flex;flex-direction:column;gap:4px}
.title h2{margin:0;font-size:20px}
.title p{margin:0;color:var(--muted);font-size:13px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 14px;border-radius:14px;border:1px solid var(--border);
  background:var(--panel);color:var(--txt);text-decoration:none;font-weight:800;cursor:pointer}
.btn.primary{background:var(--brand);border-color:var(--brand);color:white}
.btn.ghost{background:transparent}
.btn.small{padding:8px 10px;border-radius:12px;font-size:13px}
.grid{display:grid;gap:14px}
.cards{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1100px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:800px){.layout{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:9}}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px}
.card h3{margin:0 0 8px;font-size:14px;color:var(--muted);font-weight:800}
.metric{font-size:26px;font-weight:950;letter-spacing:.2px}
.kpi{display:flex;align-items:flex-end;justify-content:space-between;gap:10px}
.pill{font-size:12px;padding:6px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted)}
.pill.good{color:#bfffe3;border-color:rgba(54,211,153,.35);background:rgba(54,211,153,.10)}
.pill.bad{color:#ffd0d0;border-color:rgba(255,107,107,.35);background:rgba(255,107,107,.10)}
.table{width:100%;border-collapse:separate;border-spacing:0 10px}
.table th{font-size:12px;color:var(--muted);text-align:left;padding:0 12px}
.table td{background:var(--panel2);border:1px solid var(--border);padding:10px 12px}
.table tr td:first-child{border-radius:14px 0 0 14px}
.table tr td:last-child{border-radius:0 14px 14px 0}
input,textarea,select{width:100%;padding:10px 12px;border-radius:14px;border:1px solid var(--border);background:#0b0f14;color:var(--txt);outline:none}
textarea{min-height:110px;resize:vertical}
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:900px){.formgrid{grid-template-columns:1fr}}
.help{color:var(--muted);font-size:12px;line-height:1.5}
.notice{border-radius:16px;padding:12px 14px;border:1px solid var(--border);background:rgba(255,255,255,.02)}
.notice.good{border-color:rgba(54,211,153,.35);background:rgba(54,211,153,.08)}
.notice.bad{border-color:rgba(255,107,107,.35);background:rgba(255,107,107,.08)}
pre{overflow:auto}