:root{
  --azul-oscuro:#0b1120;
  --azul-panel:#111a2e;
  --azul-borde:#1e2b47;
  --cian:#22d3ee;
  --cian-oscuro:#0891b2;
  --texto:#e2e8f0;
  --texto-tenue:#94a3b8;
  --exito:#22c55e;
  --alerta:#f59e0b;
  --peligro:#ef4444;
  --radio:10px;
}

*{box-sizing:border-box;}

html{overflow-x:hidden;width:100%;}

body{
  margin:0;
  overflow-x:hidden;
  width:100%;
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  background:var(--azul-oscuro);
  color:var(--texto);
}

a{color:var(--cian);text-decoration:none;}

.layout{display:flex;min-height:100vh;}

.sidebar{
  width:230px;
  background:linear-gradient(180deg,#0e1729,#0a1120);
  border-right:1px solid var(--azul-borde);
  padding:24px 18px;
  position:sticky;top:0;height:100vh;
  display:flex;flex-direction:column;
}
.sidebar nav{flex:1;}
.sidebar .logo{
  display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:17px;margin-bottom:32px;color:#fff;
}
.sidebar .logo .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--cian);box-shadow:0 0 12px var(--cian);
}
.sidebar nav a{
  display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:8px;color:var(--texto-tenue);
  font-size:14px;font-weight:500;margin-bottom:4px;
}
.sidebar nav a:hover, .sidebar nav a.activo{
  background:rgba(34,211,238,.08);color:var(--cian);
}

.sidebar-usuario{
  border-top:1px solid var(--azul-borde);padding-top:14px;margin-top:14px;
}
.sidebar-usuario .su-nombre{font-size:13.5px;font-weight:600;color:#fff;}
.sidebar-usuario .su-rol{font-size:11.5px;color:var(--texto-tenue);margin-bottom:10px;}
.sidebar-usuario .su-salir{display:inline-block;font-size:12.5px;color:#fca5a5;}
.sidebar-usuario .su-salir:hover{color:#f87171;}

.contenido{flex:1;padding:32px 40px;max-width:1200px;}

.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px;flex-wrap:wrap;gap:12px;}
.topbar h1{font-size:22px;margin:0;color:#fff;}
.topbar p{color:var(--texto-tenue);margin:4px 0 0;font-size:13.5px;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:8px;border:none;
  font-size:14px;font-weight:600;cursor:pointer;
  text-decoration:none;transition:.15s;
}
.btn-primario{background:linear-gradient(135deg,var(--cian),var(--cian-oscuro));color:#04222b;}
.btn-primario:hover{filter:brightness(1.1);}
.btn-secundario{background:var(--azul-panel);color:var(--texto);border:1px solid var(--azul-borde);}
.btn-secundario:hover{border-color:var(--cian);color:var(--cian);}
.btn-peligro{background:rgba(239,68,68,.12);color:#fca5a5;border:1px solid rgba(239,68,68,.3);}
.btn-peligro:hover{background:rgba(239,68,68,.22);}
.btn-sm{padding:7px 12px;font-size:12.5px;}

.card{
  background:var(--azul-panel);
  border:1px solid var(--azul-borde);
  border-radius:var(--radio);
  padding:22px;
  margin-bottom:22px;
}

.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px;}
.stat{
  background:var(--azul-panel);border:1px solid var(--azul-borde);border-radius:var(--radio);
  padding:18px 20px;
}
.stat .valor{font-size:26px;font-weight:700;color:#fff;}
.stat .etiqueta{color:var(--texto-tenue);font-size:12.5px;margin-top:4px;text-transform:uppercase;letter-spacing:.04em;}
.stat.acento .valor{color:var(--cian);}

.tabla-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.tabla-scroll table{min-width:560px;}

table{width:100%;border-collapse:collapse;}
thead th{
  text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--texto-tenue);padding:10px 12px;border-bottom:1px solid var(--azul-borde);
}
tbody td{padding:13px 12px;border-bottom:1px solid var(--azul-borde);font-size:14px;}
tbody tr:hover{background:rgba(255,255,255,.02);}

.badge{padding:4px 10px;border-radius:20px;font-size:11.5px;font-weight:600;}
.badge-pendiente{background:rgba(245,158,11,.14);color:var(--alerta);}
.badge-aprobada{background:rgba(34,197,94,.14);color:var(--exito);}
.badge-rechazada{background:rgba(239,68,68,.14);color:var(--peligro);}
.badge-vencida{background:rgba(148,163,184,.14);color:var(--texto-tenue);}

.acciones-fila{display:flex;gap:8px;}
.icon-btn{
  width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:7px;border:1px solid var(--azul-borde);background:transparent;color:var(--texto-tenue);cursor:pointer;
}
.icon-btn:hover{border-color:var(--cian);color:var(--cian);}

form label{display:block;font-size:12.5px;font-weight:600;color:var(--texto-tenue);margin-bottom:6px;text-transform:uppercase;letter-spacing:.03em;}
.campo{margin-bottom:16px;}
.fila-campos{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.fila-campos3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px;}
input[type=text],input[type=email],input[type=tel],input[type=number],input[type=date],input[type=password],input[type=file],textarea,select{
  width:100%;padding:11px 12px;border-radius:8px;border:1px solid var(--azul-borde);
  background:#0d1626;color:var(--texto);font-size:14px;font-family:inherit;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--cian);}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
select:-webkit-autofill{
  -webkit-text-fill-color:var(--texto);
  -webkit-box-shadow:0 0 0px 1000px #0d1626 inset;
  box-shadow:0 0 0px 1000px #0d1626 inset;
  transition:background-color 9999s ease-in-out 0s;
}
textarea{resize:vertical;min-height:70px;}

.seccion-titulo{
  font-size:13px;font-weight:700;color:var(--cian);text-transform:uppercase;letter-spacing:.06em;
  margin:6px 0 16px;padding-bottom:10px;border-bottom:1px solid var(--azul-borde);
  display:flex;align-items:center;gap:8px;
}

.buscador-catalogo{position:relative;max-width:420px;margin-bottom:16px;}
.buscador-catalogo input{width:100%;}
.resultados-catalogo{
  position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:20;
  background:#0d1626;border:1px solid var(--azul-borde);border-radius:8px;
  max-height:260px;overflow-y:auto;box-shadow:0 12px 30px rgba(0,0,0,.4);display:none;
}
.resultados-catalogo.abierto{display:block;}
.resultado-item{
  padding:10px 14px;cursor:pointer;border-bottom:1px solid var(--azul-borde);
  display:flex;justify-content:space-between;align-items:center;gap:10px;
}
.resultado-item:last-child{border-bottom:none;}
.resultado-item:hover, .resultado-item.activo{background:rgba(34,211,238,.1);}
.resultado-item .r-desc{font-size:13.5px;color:var(--texto);}
.resultado-item .r-cat{font-size:10.5px;color:var(--texto-tenue);text-transform:uppercase;letter-spacing:.03em;margin-top:2px;}
.resultado-item .r-precio{font-size:13.5px;font-weight:700;color:var(--cian);white-space:nowrap;}
.resultado-vacio{padding:12px 14px;color:var(--texto-tenue);font-size:13px;}

.tabla-scroll .tabla-items{min-width:680px;}

.tabla-items{width:100%;border-collapse:collapse;margin-bottom:14px;}
.tabla-items th{font-size:11.5px;text-transform:uppercase;color:var(--texto-tenue);text-align:left;padding:8px;}
.tabla-items td{padding:6px;vertical-align:top;}
.tabla-items input, .tabla-items select{padding:9px 10px;font-size:13.5px;}
.col-cant{width:80px;}
.col-precio{width:120px;}
.col-total{width:120px;}
.col-cat{width:130px;}
.col-eliminar{width:36px;}
.total-linea-item{padding:9px 4px;font-weight:600;color:#fff;}

.resumen-totales{max-width:340px;margin-left:auto;margin-top:10px;}
.resumen-totales .fila{display:flex;justify-content:space-between;padding:8px 0;font-size:14px;color:var(--texto-tenue);}
.resumen-totales .fila.total{border-top:1px solid var(--azul-borde);margin-top:6px;padding-top:14px;font-size:19px;font-weight:700;color:#fff;}
.resumen-totales .fila.total span:last-child{color:var(--cian);}

.alerta-msg{padding:12px 16px;border-radius:8px;margin-bottom:18px;font-size:14px;}
.alerta-exito{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:#86efac;}
.alerta-error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:#fca5a5;}

.vacio{text-align:center;padding:50px 20px;color:var(--texto-tenue);}

@media(max-width:800px){
  .layout{flex-direction:column;}
  .sidebar{width:100%;height:auto;position:relative;}
  .fila-campos,.fila-campos3{grid-template-columns:1fr;}
  .contenido{padding:16px;}
  .card{padding:16px;}
  .topbar{gap:10px;}
  table{min-width:560px;}
  .buscador-catalogo{max-width:100%;}
  .resumen-totales{max-width:100%;margin-left:0;}
  .grid-stats{grid-template-columns:1fr 1fr;}
}

@media(max-width:480px){
  .grid-stats{grid-template-columns:1fr;}
  .topbar{flex-direction:column;align-items:flex-start;}
  .acciones-fila{flex-wrap:wrap;}
}