:root{
  --bg:#07111f;
  --bg-2:#0a1625;
  --panel:#0d1b2d;
  --panel-2:#12243b;
  --panel-3:#162b45;
  --border:#223f5d;
  --text:#eef6ff;
  --muted:#9eb2c8;
  --accent:#38bdf8;
  --success:#34d399;
  --warning:#f7b955;
  --danger:#fb7185;
  --sidebar:240px;
  --radius:16px;
  --shadow:0 16px 36px rgba(0,0,0,.24);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(180deg,#06101c,#091725);color:var(--text)}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
.app-shell{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100vh}
.sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);background:#081423;border-right:1px solid var(--border);padding:18px 14px;z-index:1200}
.brand{display:flex;align-items:center;gap:11px;padding:6px 7px 18px;border-bottom:1px solid var(--border)}
.brand-icon{width:43px;height:43px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#158fda,#43c8ff);font-size:24px}
.brand-title{font-weight:800;font-size:15px;line-height:1.2}
.brand-sub{font-size:11px;color:var(--muted);margin-top:3px}
.nav{padding-top:14px;display:grid;gap:5px}
.nav a{display:flex;gap:10px;align-items:center;padding:11px 12px;border-radius:10px;color:#c9d8e6;font-size:14px}
.nav a:hover{background:#10253b;color:#fff}
.nav a.active{background:linear-gradient(135deg,#123d5c,#174d71);color:#fff;border:1px solid #28618a}
.nav-icon{width:21px;text-align:center}
.sidebar-foot{position:absolute;bottom:16px;left:14px;right:14px;border-top:1px solid var(--border);padding-top:13px;color:var(--muted);font-size:11px;line-height:1.5}
.main{grid-column:2;padding:0 20px 24px;min-width:0}
.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);margin-bottom:20px}
.page-title h1{margin:0;font-size:22px}
.page-title p{margin:5px 0 0;color:var(--muted);font-size:13px}
.top-actions{display:flex;align-items:center;gap:12px}
.utc-box{background:#0c1c2e;border:1px solid var(--border);border-radius:10px;padding:9px 12px;font-size:12px;color:#cce4f5}
.status-pill{display:inline-flex;align-items:center;gap:7px;background:#0d241e;color:#aff1cf;border:1px solid #235d49;border-radius:999px;padding:8px 11px;font-size:12px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px rgba(52,211,153,.1)}
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.card{background:rgba(13,27,45,.97);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.stat{padding:15px}
.stat-top{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em}
.stat-icon{font-size:21px}
.stat-value{font-size:27px;font-weight:800;margin-top:10px}
.stat-foot{font-size:12px;color:var(--muted);margin-top:6px}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(310px,.7fr);gap:16px}
.card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);background:var(--panel-2)}
.card-title{font-weight:800;font-size:14px}
.card-body{padding:15px}
#dashboardMap{height:535px;border-radius:0 0 var(--radius) var(--radius);overflow:hidden}
.side-stack{display:grid;gap:16px}
.flight-box{padding:4px 0}
.flight-row{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid #1c3852;font-size:13px}
.flight-row:last-child{border-bottom:0}
.flight-row span:first-child{color:var(--muted)}
.receiver-list{display:grid;gap:9px}
.receiver{display:flex;align-items:center;justify-content:space-between;background:#0a1828;border:1px solid #203c58;padding:10px 11px;border-radius:10px}
.receiver-name{font-weight:700;font-size:13px}
.receiver-meta{font-size:11px;color:var(--muted);margin-top:3px}
.badge{font-size:11px;border-radius:999px;padding:5px 8px;border:1px solid}
.badge.ok{color:#a7ecc7;border-color:#276044;background:#0c211a}
.badge.off{color:#b7c6d5;border-color:#435160;background:#131d27}
.quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}
.action{display:block;text-align:center;padding:11px;border-radius:10px;background:#10263d;border:1px solid #274a6b;font-size:12px;font-weight:700}
.action:hover{background:#16304b}
.placeholder{padding:24px;color:#c9d8e7;line-height:1.6}
.notice{padding:12px 13px;background:#251b0c;border:1px solid #6e5420;color:#f6d893;border-radius:10px;font-size:12px}
.page-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:1100px){
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .dashboard-grid{grid-template-columns:1fr}
}
@media(max-width:760px){
  :root{--sidebar:72px}
  .brand-text,.nav-label,.sidebar-foot{display:none}
  .brand{justify-content:center}
  .nav a{justify-content:center}
  .main{padding-left:14px;padding-right:14px}
  .topbar{height:auto;padding:14px 0;align-items:flex-start;gap:10px}
  .top-actions{flex-direction:column;align-items:flex-end}
}
@media(max-width:540px){
  .grid-cards,.page-grid{grid-template-columns:1fr}
  #dashboardMap{height:440px}
}

/* Enlace de retorno al sitio principal CX4AE */
.sidebar-foot .back-cx4ae{
  display:block;
  width:100%;
  margin:0 0 14px 0;
  padding:9px 10px;
  border:1px solid #28506d;
  border-radius:9px;
  background:#0b2234;
  color:#dcecf7;
  text-decoration:none;
  font-weight:800;
  font-size:11px;
  line-height:1.25;
  text-align:center;
  white-space:normal;
  transition:background .15s ease,border-color .15s ease,color .15s ease;
}

.sidebar-foot .back-cx4ae:hover{
  background:#12324a;
  border-color:#3c759a;
  color:#fff;
}