:root{
  --bg:#eef2f7; --card:#ffffff; --ink:#1f2b3a; --muted:#6b7a90;
  --brand1:#5b3df5; --brand2:#22d3ee; --dark:#111a2b; --dark2:#1b2740;
  --ok:#16a34a; --warn:#f59e0b; --bad:#ef4444; --line:#e6ebf2;
}
*{box-sizing:border-box}
body.app{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:grid;place-items:center;
  background:radial-gradient(1200px 600px at 20% -10%,#2b2b6e 0,transparent 60%),
             radial-gradient(1000px 500px at 100% 100%,#0e3b52 0,transparent 55%),
             linear-gradient(160deg,#0b1020,#141a33 60%,#0b1020);padding:24px}
.login-card{width:min(920px,96vw);display:grid;grid-template-columns:1.1fr 1fr;gap:0;
  background:rgba(20,26,48,.72);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.08);
  border-radius:20px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.login-brand{padding:44px;color:#dfe6ff;background:linear-gradient(160deg,rgba(91,61,245,.25),rgba(34,211,238,.12))}
.login-brand .logo{width:64px;height:64px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand1),var(--brand2));font-size:30px;color:#fff;box-shadow:0 10px 30px rgba(91,61,245,.5)}
.login-brand h1{font-size:26px;margin:20px 0 6px;font-weight:800}
.login-brand p{color:#9fb0d6;margin:0 0 18px;line-height:1.5}
.login-brand .pills span{display:inline-flex;gap:6px;align-items:center;font-size:12px;color:#cdd8ff;
  border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:6px 12px;margin:4px 6px 0 0}
.login-form{padding:44px;background:rgba(12,16,32,.55)}
.login-form h2{color:#fff;font-weight:800;margin:0 0 4px}
.login-form .sub{color:#8ea0c6;margin:0 0 22px;font-size:14px}
.login-form label{color:#aebbdb;font-size:13px;font-weight:600;margin-bottom:6px}
.login-form .form-control{background:#0e1426;border:1px solid rgba(255,255,255,.12);color:#eaf0ff;padding:12px 14px}
.login-form .form-control:focus{border-color:var(--brand2);box-shadow:0 0 0 .2rem rgba(34,211,238,.15);background:#0e1426;color:#fff}
.btn-brand{background:linear-gradient(135deg,var(--brand1),#7c5cff);border:0;color:#fff;font-weight:700;padding:12px;width:100%;border-radius:10px}
.btn-brand:hover{filter:brightness(1.08);color:#fff}
.login-err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.4);color:#ffb4b4;border-radius:10px;padding:10px 12px;font-size:14px;margin-bottom:16px}
@media(max-width:760px){.login-card{grid-template-columns:1fr}.login-brand{display:none}}

/* ---------- App shell ---------- */
.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,var(--dark),var(--dark2));color:#c7d2e6;padding:16px 12px;position:sticky;top:0;height:100vh}
.sidebar .brand{display:flex;gap:10px;align-items:center;font-weight:800;color:#fff;font-size:16px;padding:8px 10px 18px}
.sidebar .brand i{font-size:22px;color:var(--brand2)}
.sidebar .nav-link{color:#aebbd6;border-radius:10px;padding:11px 12px;display:flex;gap:11px;align-items:center;font-weight:600;font-size:14px}
.sidebar .nav-link i{font-size:17px;width:20px}
.sidebar .nav-link:hover{background:rgba(255,255,255,.06);color:#fff}
.sidebar .nav-link.active{background:linear-gradient(135deg,var(--brand1),#7c5cff);color:#fff;box-shadow:0 8px 20px rgba(91,61,245,.35)}
.content{display:flex;flex-direction:column;min-width:0}

.topbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;
  background:linear-gradient(135deg,var(--dark),var(--dark2));margin:14px;padding:12px 16px;border-radius:16px;box-shadow:0 10px 30px rgba(17,26,43,.25)}
.topbar .chip{display:flex;flex-direction:column;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:6px 12px}
.topbar .chip .k{font-size:9.5px;letter-spacing:.5px;color:#8798b8;font-weight:700}
.topbar .chip .v{font-size:13px;color:#eaf0ff;font-weight:700;display:flex;gap:6px;align-items:center;white-space:nowrap}
.badge-rank{background:linear-gradient(135deg,var(--brand1),#7c5cff);padding:2px 10px;border-radius:999px}
.btn-toggle{background:var(--brand1);color:#fff;border:0}

.page{padding:0 14px 14px}
.foot{color:var(--muted);text-align:center;padding:16px;font-size:13px}

/* ---------- Cards / KPIs ---------- */
.hero{background:linear-gradient(135deg,var(--dark),var(--dark2));color:#fff;border-radius:16px;padding:22px 24px;margin-bottom:14px}
.hero h1{font-size:22px;font-weight:800;margin:0;display:flex;gap:10px;align-items:center}
.hero p{color:#9fb0d6;margin:4px 0 0;font-size:13px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:14px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center;position:relative;overflow:hidden}
.kpi::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:var(--accent,var(--brand1))}
.kpi .ic{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin:0 auto 10px;background:color-mix(in srgb,var(--accent,var(--brand1)) 15%,#fff);color:var(--accent,var(--brand1));font-size:20px}
.kpi .num{font-size:28px;font-weight:800;line-height:1}
.kpi .lbl{color:var(--muted);font-size:12px;font-weight:600;margin-top:4px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin-bottom:14px}
.panel .head{background:linear-gradient(135deg,var(--dark),var(--dark2));color:#fff;padding:12px 16px;font-weight:700;display:flex;gap:8px;align-items:center}
.panel .body{padding:14px 16px}
.table thead th{background:#f4f7fb;color:#33465f;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
.bar{height:8px;border-radius:999px;background:#eef2f7;overflow:hidden}
.bar>span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--ok),var(--warn),var(--bad))}
@media(max-width:992px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;z-index:50;width:250px;left:-260px;transition:.2s}.sidebar.open{left:0}}

/* ---------- Servidores / capacidad ---------- */
.srv-group{margin-bottom:8px}
.srv-group-title{display:flex;align-items:center;gap:8px;font-weight:800;color:#33465f;font-size:14px;
  background:#eef3fb;border-left:4px solid var(--brand1);border-radius:8px;padding:8px 12px;margin:14px 0 8px}
.srv-group-title .count{margin-left:auto;font-size:11px;color:var(--muted);font-weight:700}
.srv-row{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:12px 16px;margin-bottom:8px}
.srv-row .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#0e1426;color:#22d3ee;font-size:18px;flex:0 0 auto}
.srv-row .meta{min-width:170px;flex:0 0 auto}
.srv-row .meta .n{font-weight:700;color:var(--ink)}
.srv-row .meta .c{font-size:11px;color:var(--muted)}
.srv-row .cap{flex:1;min-width:120px}
.srv-row .pct{font-weight:800;font-size:18px;flex:0 0 auto;min-width:64px;text-align:right}
.srv-row .bar{height:10px}
.srv-row.off{opacity:.55}