:root{
  --azul:#123f6b; --azul2:#1d5a94; --azul-claro:#e8f0f9; --fondo:#f3f5f8; --tarjeta:#fff;
  --texto:#1b2430; --suave:#5d6b7c; --borde:#d9e0e8; --verde:#1d8348; --verde-c:#e5f4ea;
  --rojo:#b3261e; --rojo-c:#fbe9e7; --naranja:#b9600b; --naranja-c:#fdf0e1; --dorado:#c99a2e;
  --radio:10px; --sombra:0 1px 3px rgba(16,38,64,.08),0 4px 14px rgba(16,38,64,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--fondo);color:var(--texto);font-size:14.5px;line-height:1.45}
a{color:var(--azul2);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:1.45rem;margin:0 0 .2rem}
h2{font-size:1.1rem;margin:1.2rem 0 .6rem}
h3{font-size:1rem;margin:.8rem 0 .4rem}
.sub{color:var(--suave);margin:0 0 1rem}
/* layout oficina */
.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.lateral{background:var(--azul);color:#dbe6f3;padding:14px 0;position:sticky;top:0;height:100vh;overflow-y:auto}
.marca{display:flex;gap:10px;align-items:center;padding:4px 16px 14px;border-bottom:1px solid rgba(255,255,255,.12);margin-bottom:8px}
.marca img{width:42px;height:42px;object-fit:contain;background:#fff;border-radius:8px;padding:3px}
.marca b{display:block;color:#fff;font-size:.92rem;line-height:1.15}
.marca small{font-size:.72rem;opacity:.8}
.lateral .grupo{font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;opacity:.6;padding:12px 18px 4px}
.lateral a{display:block;color:#dbe6f3;padding:7px 18px;font-size:.9rem;border-left:3px solid transparent}
.lateral a:hover{background:rgba(255,255,255,.07);text-decoration:none}
.lateral a.on{background:rgba(255,255,255,.12);border-left-color:var(--dorado);color:#fff}
.contenido{padding:22px 28px 40px;min-width:0}
.barra{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px;flex-wrap:wrap}
.usuario{font-size:.85rem;color:var(--suave)}
.menu-btn{display:none}
/* componentes */
.tarjeta{background:var(--tarjeta);border:1px solid var(--borde);border-radius:var(--radio);padding:16px 18px;box-shadow:var(--sombra);margin-bottom:16px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:var(--tarjeta);border:1px solid var(--borde);border-radius:var(--radio);padding:14px 16px;box-shadow:var(--sombra)}
.kpi span{display:block;color:var(--suave);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.kpi b{font-size:1.45rem;display:block;margin-top:2px;font-variant-numeric:tabular-nums}
.kpi small{color:var(--suave)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th,td{padding:8px 10px;border-bottom:1px solid var(--borde);text-align:left;vertical-align:top}
th{background:#f1f4f8;color:#334155;font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;white-space:nowrap}
tr:hover td{background:#fafcff}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tabla{overflow-x:auto}
.tag{display:inline-block;padding:2px 8px;border-radius:20px;font-size:.74rem;font-weight:600;background:#eef1f5;color:#475569;white-space:nowrap}
.tag.verde{background:var(--verde-c);color:var(--verde)}
.tag.rojo{background:var(--rojo-c);color:var(--rojo)}
.tag.naranja{background:var(--naranja-c);color:var(--naranja)}
.tag.azul{background:var(--azul-claro);color:var(--azul2)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid var(--azul2);background:var(--azul2);color:#fff;font-size:.88rem;font-weight:600;cursor:pointer;text-decoration:none;font-family:inherit;line-height:1.2}
.btn:hover{background:var(--azul);text-decoration:none}
.btn.sec{background:#fff;color:var(--azul2)}
.btn.sec:hover{background:var(--azul-claro)}
.btn.rojo{background:var(--rojo);border-color:var(--rojo)}
.btn.verde{background:var(--verde);border-color:var(--verde)}
.btn.chico{padding:4px 10px;font-size:.8rem}
.acciones{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
form.filtros{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px}
label{display:block;font-size:.8rem;color:var(--suave);margin-bottom:3px;font-weight:600}
input,select,textarea{font-family:inherit;font-size:.92rem;padding:8px 10px;border:1px solid var(--borde);border-radius:8px;background:#fff;color:var(--texto);width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid #9cc0e6;border-color:var(--azul2)}
.campo{margin-bottom:12px}
.filtros .campo{margin:0;min-width:140px}
.form{display:grid;grid-template-columns:repeat(2,1fr);gap:0 16px}
.form .ancho{grid-column:1/-1}
.check{display:flex;align-items:center;gap:8px;font-weight:400;color:var(--texto)}
.check input{width:auto}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px;font-size:.9rem;border:1px solid}
.flash.ok{background:var(--verde-c);border-color:#b7dfc4;color:#14532d}
.flash.error{background:var(--rojo-c);border-color:#f3c1bb;color:#7f1d1d}
.alerta{display:flex;gap:10px;padding:9px 12px;border-radius:8px;margin-bottom:6px;font-size:.88rem;align-items:flex-start}
.alerta.rojo{background:var(--rojo-c);color:#7f1d1d}
.alerta.naranja{background:var(--naranja-c);color:#7a3e05}
.alerta.azul{background:var(--azul-claro);color:#183b63}
.alerta a{color:inherit;font-weight:600}
.vacio{color:var(--suave);text-align:center;padding:24px}
.barras{display:flex;align-items:flex-end;gap:6px;height:150px;padding-top:10px}
.barras div{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%}
.barras i{display:block;width:100%;background:var(--azul2);border-radius:4px 4px 0 0;min-height:2px}
.barras small{font-size:.66rem;color:var(--suave);margin-top:4px}
.barras em{font-style:normal;font-size:.64rem;color:var(--suave)}
.mono{font-family:Consolas,"Courier New",monospace}
.muted{color:var(--suave)}
.der{text-align:right}
.mt0{margin-top:0}
.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,var(--azul) 0%,#0b2a49 100%);padding:16px}
.login .caja{background:#fff;border-radius:14px;padding:28px 26px;width:100%;max-width:380px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.login .caja img{width:74px;height:74px;object-fit:contain;display:block;margin:0 auto 10px}
.login h1{text-align:center;font-size:1.15rem}
.login p{text-align:center;color:var(--suave);margin:.2rem 0 1.2rem;font-size:.85rem}
.cuenta{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:6px}
.cuenta div{padding:6px;border-radius:6px;text-align:center;font-size:.78rem;font-weight:600}
.cuenta .si{background:var(--verde-c);color:var(--verde)}
.cuenta .no{background:var(--rojo-c);color:var(--rojo)}
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .lateral{position:fixed;left:-260px;width:250px;z-index:50;transition:left .2s}
  .lateral.abierto{left:0}
  .menu-btn{display:inline-flex}
  .contenido{padding:14px 16px 40px}
  .grid2,.grid3,.form{grid-template-columns:1fr}
}
@media print{
  .lateral,.barra,.no-print,.flash{display:none!important}
  .app{display:block}.contenido{padding:0}
  body{background:#fff}
  .tarjeta{box-shadow:none;border:none;padding:0}
}