:root{
  --bg:#f1f5f9; --panel:#ffffff; --tinta:#0f172a; --suave:#64748b; --tenue:#94a3b8;
  --linea:#e2e8f0; --marca:#0ea5e9; --marca-osc:#0284c7; --ok:#059669; --alerta:#dc2626;
  --aviso:#d97706; --sombra:0 1px 3px rgba(15,23,42,.08), 0 8px 24px rgba(15,23,42,.06);
  --radio:12px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--tinta);
  font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--marca-osc)}
.oculto{display:none !important}

/* ------------------------------------------------------------- login --- */
#login{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg,#0f172a,#1e293b);padding:20px}
#login .caja{background:#fff;border-radius:16px;padding:32px;width:100%;max-width:380px;
  box-shadow:0 24px 60px rgba(0,0,0,.4)}
#login h1{margin:0 0 4px;font-size:24px;letter-spacing:-.03em}
#login p.sub{margin:0 0 24px;color:var(--suave);font-size:13px}

/* -------------------------------------------------------------- capa --- */
#app{display:grid;grid-template-columns:224px 1fr;min-height:100vh}
aside{background:#0f172a;color:#cbd5e1;padding:20px 12px;display:flex;flex-direction:column}
aside .logo{padding:4px 10px 20px}
aside .logo b{display:block;color:#fff;font-size:18px;letter-spacing:-.02em}
aside .logo span{font-size:11px;color:#64748b;text-transform:uppercase;letter-spacing:.08em}
aside nav{display:flex;flex-direction:column;gap:2px;flex:1}
aside nav button{background:none;border:0;color:#94a3b8;text-align:left;padding:9px 12px;
  border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:9px;font-size:14px}
aside nav button:hover{background:#1e293b;color:#e2e8f0}
aside nav button.activo{background:var(--marca);color:#fff;font-weight:500}
aside nav button .pin{margin-left:auto;background:var(--alerta);color:#fff;border-radius:999px;
  font-size:11px;padding:1px 6px;font-weight:600}
aside .pie{border-top:1px solid #1e293b;padding-top:12px;font-size:12px;color:#64748b}
aside .pie button{background:none;border:0;color:#94a3b8;cursor:pointer;padding:4px 8px;font-size:12px}

main{padding:24px 28px 60px;overflow-x:auto}
.encabezado{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.encabezado h2{margin:0;font-size:22px;letter-spacing:-.02em}
.encabezado .der{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}

/* ---------------------------------------------------------- controles --- */
.btn{background:var(--marca);color:#fff;border:0;padding:9px 15px;border-radius:9px;
  cursor:pointer;font-weight:500;white-space:nowrap}
.btn:hover{background:var(--marca-osc)}
.btn.borde{background:#fff;color:var(--tinta);border:1px solid var(--linea)}
.btn.borde:hover{background:#f8fafc}
.btn.peligro{background:var(--alerta)}
.btn.exito{background:var(--ok)}
.btn.mini{padding:5px 10px;font-size:12.5px;border-radius:7px}
.btn:disabled{opacity:.5;cursor:not-allowed}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--linea);
  border-radius:9px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #bae6fd;border-color:var(--marca)}
textarea{resize:vertical;min-height:90px;font-family:inherit}
label{display:block;font-size:12.5px;color:var(--suave);margin-bottom:5px;font-weight:500}
.campo{margin-bottom:14px}
.rejilla{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.check{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--tinta);margin-bottom:10px}
.check input{width:auto}

/* ------------------------------------------------------------ tarjetas --- */
.tarjeta{background:var(--panel);border-radius:var(--radio);box-shadow:var(--sombra);padding:18px;margin-bottom:18px}
.tarjeta h3{margin:0 0 14px;font-size:15px;letter-spacing:-.01em}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:18px}
.kpi{background:var(--panel);border-radius:var(--radio);box-shadow:var(--sombra);padding:16px 18px}
.kpi span{display:block;font-size:12px;color:var(--suave);text-transform:uppercase;letter-spacing:.05em}
.kpi b{display:block;font-size:26px;letter-spacing:-.03em;margin-top:6px}
.kpi small{color:var(--tenue);font-size:12px}
.kpi.ok b{color:var(--ok)} .kpi.alerta b{color:var(--alerta)} .kpi.aviso b{color:var(--aviso)}

/* -------------------------------------------------------------- tabla --- */
.tabla-cont{overflow-x:auto;border-radius:var(--radio)}
table{width:100%;border-collapse:collapse;background:var(--panel);font-size:13.5px}
th{text-align:left;padding:10px 12px;color:var(--suave);font-weight:600;font-size:12px;
  text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--linea);white-space:nowrap}
td{padding:10px 12px;border-bottom:1px solid #f1f5f9;vertical-align:middle}
tbody tr:hover{background:#f8fafc}
td.der,th.der{text-align:right}
td.acc{white-space:nowrap;text-align:right}
td.acc button{margin-left:4px}
.vacio{padding:36px;text-align:center;color:var(--tenue);background:var(--panel);border-radius:var(--radio)}
.num{font-variant-numeric:tabular-nums}

.etq{display:inline-block;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:600;white-space:nowrap}
.etq.gris{background:#f1f5f9;color:#475569}
.etq.verde{background:#d1fae5;color:#065f46}
.etq.ambar{background:#fef3c7;color:#92400e}
.etq.rojo{background:#fee2e2;color:#991b1b}
.etq.azul{background:#e0f2fe;color:#075985}

/* ---------------------------------------------------------- modal --- */
.velo{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:flex-start;
  justify-content:center;padding:28px 16px;z-index:50;overflow-y:auto}
.modal{background:#fff;border-radius:14px;width:100%;max-width:640px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.modal.ancho{max-width:860px}
.modal header{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid var(--linea)}
.modal header h3{margin:0;font-size:16px}
.modal header button{margin-left:auto;background:none;border:0;font-size:22px;color:var(--suave);cursor:pointer;line-height:1}
.modal .cuerpo{padding:20px;max-height:70vh;overflow-y:auto}
.modal footer{display:flex;gap:8px;justify-content:flex-end;padding:14px 20px;border-top:1px solid var(--linea);background:#f8fafc;border-radius:0 0 14px 14px}

/* --------------------------------------------------------- avisos --- */
#avisos{position:fixed;right:20px;bottom:20px;z-index:100;display:flex;flex-direction:column;gap:8px}
.aviso{background:#0f172a;color:#fff;padding:11px 16px;border-radius:10px;font-size:13.5px;
  box-shadow:0 10px 30px rgba(0,0,0,.3);max-width:360px;animation:sube .2s ease}
.aviso.err{background:var(--alerta)} .aviso.ok{background:var(--ok)}
@keyframes sube{from{opacity:0;transform:translateY(8px)}}

.barra{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.barra input,.barra select{width:auto;min-width:150px}
.pestanas{display:flex;gap:4px;border-bottom:1px solid var(--linea);margin-bottom:18px;flex-wrap:wrap}
.pestanas button{background:none;border:0;padding:9px 14px;cursor:pointer;color:var(--suave);
  border-bottom:2px solid transparent;font-weight:500}
.pestanas button.activo{color:var(--marca-osc);border-bottom-color:var(--marca)}
.ayuda{font-size:12.5px;color:var(--suave);margin:-6px 0 14px;line-height:1.6}
.aviso-caja{background:#fffbeb;border:1px solid #fde68a;color:#92400e;padding:12px 14px;
  border-radius:10px;font-size:13px;line-height:1.6;margin-bottom:16px}
.aviso-caja.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}
code{background:#f1f5f9;padding:1px 5px;border-radius:4px;font-size:12.5px}

@media (max-width:860px){
  #app{grid-template-columns:1fr}
  aside{flex-direction:row;align-items:center;padding:10px;overflow-x:auto;gap:8px}
  aside .logo{padding:0 10px 0 4px}
  aside .logo span{display:none}
  aside nav{flex-direction:row;flex:0}
  aside .pie{border:0;padding:0}
  main{padding:16px}
}