:root{
  --fondo:#f3f5f9;
  --panel:#ffffff;
  --borde:#e2e8f0;
  --cian:#0891b2;
  --cian-claro:#22d3ee;
  --texto:#1e293b;
  --texto-tenue:#64748b;
  --exito:#16a34a;
  --alerta:#b45309;
  --peligro:#dc2626;
  --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(--fondo);
  color:var(--texto);
}

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

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

.sidebar{
  width:230px;
  background:#ffffff;
  border-right:1px solid var(--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:var(--texto);
}
.sidebar .logo .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--cian);box-shadow:0 0 10px rgba(8,145,178,.5);
}
.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(8,145,178,.08);color:var(--cian);
}

.sidebar-usuario{
  border-top:1px solid var(--borde);padding-top:14px;margin-top:14px;
}
.sidebar-usuario .su-nombre{font-size:13.5px;font-weight:600;color:var(--texto);}
.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:var(--peligro);}
.sidebar-usuario .su-salir:hover{color:#b91c1c;}

.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:var(--texto);}
.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-claro),var(--cian));color:#ffffff;box-shadow:0 2px 8px rgba(8,145,178,.25);}
.btn-primario:hover{filter:brightness(1.06);}
.btn-secundario{background:#f8fafc;color:var(--texto);border:1px solid var(--borde);}
.btn-secundario:hover{border-color:var(--cian);color:var(--cian);}
.btn-peligro{background:rgba(220,38,38,.08);color:var(--peligro);border:1px solid rgba(220,38,38,.25);}
.btn-peligro:hover{background:rgba(220,38,38,.15);}
.btn-sm{padding:7px 12px;font-size:12.5px;}

.card{
  background:var(--panel);
  border:1px solid var(--borde);
  border-radius:var(--radio);
  padding:22px;
  margin-bottom:22px;
  box-shadow:0 1px 2px rgba(15,23,42,.04);
}

.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px;}
.stat{
  background:var(--panel);border:1px solid var(--borde);border-radius:var(--radio);
  padding:18px 20px;box-shadow:0 1px 2px rgba(15,23,42,.04);
}
.stat .valor{font-size:26px;font-weight:700;color:var(--texto);}
.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(--borde);
}
tbody td{padding:13px 12px;border-bottom:1px solid var(--borde);font-size:14px;}
tbody tr:hover{background:#f8fafc;}

.badge{padding:4px 10px;border-radius:20px;font-size:11.5px;font-weight:600;}
.badge-pendiente{background:rgba(180,83,9,.12);color:var(--alerta);}
.badge-aprobada{background:rgba(22,163,74,.12);color:var(--exito);}
.badge-rechazada{background:rgba(220,38,38,.12);color:var(--peligro);}
.badge-vencida{background:rgba(100,116,139,.12);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(--borde);background:#ffffff;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(--borde);
  background:#ffffff;color:var(--texto);font-size:14px;font-family:inherit;
}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--cian);box-shadow:0 0 0 3px rgba(8,145,178,.12);}

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 #ffffff inset;
  box-shadow:0 0 0px 1000px #ffffff 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(--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:#ffffff;border:1px solid var(--borde);border-radius:8px;
  max-height:260px;overflow-y:auto;box-shadow:0 12px 30px rgba(15,23,42,.15);display:none;
}
.resultados-catalogo.abierto{display:block;}
.resultado-item{
  padding:10px 14px;cursor:pointer;border-bottom:1px solid var(--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:#f0fbfd;}
.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:var(--texto);}

.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(--borde);margin-top:6px;padding-top:14px;font-size:19px;font-weight:700;color:var(--texto);}
.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(22,163,74,.08);border:1px solid rgba(22,163,74,.3);color:#15803d;}
.alerta-error{background:rgba(220,38,38,.08);border:1px solid rgba(220,38,38,.3);color:#b91c1c;}

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

/* ---- Línea compacta de producto (reemplaza la fila de tabla) ---- */
.cat-pill{display:inline-block;font-size:10px;font-weight:700;padding:3px 9px;border-radius:12px;text-transform:uppercase;letter-spacing:.03em;flex-shrink:0;}
.cat-Equipo{background:#e0f2fe;color:#0369a1;}
.cat-Instalación{background:#dcfce7;color:#15803d;}
.cat-Accesorio{background:#fef3c7;color:#a16207;}
.cat-Otro{background:#f1f5f9;color:#475569;}

.lista-items{margin-bottom:6px;}
.lista-vacia{
  display:none;text-align:center;padding:26px 20px;color:var(--texto-tenue);font-size:13.5px;
  border:1px dashed var(--borde);border-radius:10px;margin-bottom:16px;
}

.item-linea{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:10px 12px;border:1px solid var(--borde);border-radius:8px;margin-bottom:8px;background:#fff;
}
.item-linea:hover{border-color:var(--cian);}
.item-linea-info{display:flex;align-items:center;gap:10px;flex:1;min-width:200px;}
.item-desc{font-size:13.5px;color:var(--texto);}
.item-detalle{color:var(--texto-tenue);font-size:12px;}
.item-linea-cifras{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--texto-tenue);white-space:nowrap;}
.item-linea-cifras strong{color:var(--texto);font-size:14px;}
.item-linea-acciones{display:flex;gap:6px;flex-shrink:0;}

/* ---- Modal para agregar/editar un producto ---- */
.modal-overlay{
  display:none;position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:1000;
  align-items:center;justify-content:center;padding:20px;
}
.modal-overlay.abierto{display:flex;}
.modal-caja{
  background:#fff;border-radius:14px;max-width:480px;width:100%;max-height:90vh;overflow-y:auto;
  box-shadow:0 20px 60px rgba(0,0,0,.3);
}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--borde);}
.modal-header h3{margin:0;font-size:16px;color:var(--texto);}
.modal-cerrar{background:none;border:none;font-size:18px;color:var(--texto-tenue);cursor:pointer;padding:4px 8px;border-radius:6px;line-height:1;}
.modal-cerrar:hover{background:#f1f5f9;color:var(--texto);}
.modal-body{padding:20px;}
.modal-total-preview{
  margin-top:4px;padding:10px 14px;background:#f0fdff;border:1px solid #a5f3fc;border-radius:8px;
  font-size:13.5px;color:var(--texto);
}
.modal-total-preview strong{color:var(--cian);font-size:15px;}
.modal-footer{display:flex;gap:10px;justify-content:flex-end;padding:16px 20px;border-top:1px solid var(--borde);}

.paginacion{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-top:16px;}
.paginacion a{
  padding:7px 12px;border-radius:7px;font-size:13px;border:1px solid var(--borde);
  color:var(--texto-tenue);background:#ffffff;
}
.paginacion a:hover{border-color:var(--cian);color:var(--cian);}
.paginacion a.actual{background:var(--cian);color:#ffffff;border-color:var(--cian);font-weight:600;}
.paginacion a.deshabilitado{pointer-events:none;opacity:.4;}
.paginacion .puntos{padding:7px 4px;color:var(--texto-tenue);font-size:13px;}

@media(max-width:800px){
  .layout{flex-direction:column;}
  .sidebar{width:100%;height:auto;position:relative;}
  .fila-campos,.fila-campos3{grid-template-columns:1fr;}
  .modal-caja{max-width:100%;border-radius:12px;}
  .modal-footer{flex-direction:column-reverse;}
  .modal-footer .btn{width:100%;justify-content:center;}
  .item-linea{flex-direction:column;align-items:flex-start;gap:8px;}
  .item-linea-cifras{width:100%;justify-content:space-between;}
  .item-linea-acciones{width:100%;justify-content:flex-end;}
  .contenido{padding:16px;}
  .card{padding:16px;}
  .topbar{gap:10px;}
  .buscador-catalogo{max-width:100%;}
  .resumen-totales{max-width:100%;margin-left:0;}
  .grid-stats{grid-template-columns:1fr 1fr;}

  /* ---- Tablas de solo lectura del panel -> tarjetas apiladas ----
     IMPORTANTE: estas reglas están limitadas a .tabla-scroll a propósito,
     para NO afectar la tabla del documento de la proforma (.doc-tabla en
     ver_proforma.php), que debe verse igual en pantalla y en el PDF sin
     importar el tamaño de pantalla. */
  .tabla-scroll{overflow-x:visible;}
  .tabla-scroll table{min-width:0;}
  .tabla-scroll .tabla-items{min-width:0;}

  .tabla-scroll table thead{display:none;}
  .tabla-scroll table, .tabla-scroll table tbody, .tabla-scroll table tr, .tabla-scroll table td{display:block;width:100%;}
  .tabla-scroll table tr{
    border:1px solid var(--borde);border-radius:10px;padding:12px 14px;margin-bottom:12px;
    background:#fff;box-shadow:0 1px 2px rgba(15,23,42,.04);
  }
  .tabla-scroll table td{
    border:none;padding:6px 2px;display:flex;justify-content:space-between;align-items:center;
    gap:10px;font-size:13.5px;text-align:right;
  }
  .tabla-scroll table td::before{
    content:attr(data-label);font-weight:600;color:var(--texto-tenue);font-size:11px;
    text-transform:uppercase;letter-spacing:.03em;flex-shrink:0;text-align:left;
  }
  .tabla-scroll table td.col-acciones{
    display:block;padding-top:10px;margin-top:4px;border-top:1px solid var(--borde);text-align:right;
  }
  .tabla-scroll table td.col-acciones::before{content:none;}
  .tabla-scroll table td.col-acciones .acciones-fila{width:100%;justify-content:flex-end;}

  /* ---- Ítems de la proforma (formulario) -> tarjetas editables ---- */
  .tabla-items thead{display:none;}
  .tabla-items, .tabla-items tbody, .tabla-items tr, .tabla-items td{display:block;width:100%;}
  .tabla-items tr{
    border:1px solid var(--borde);border-radius:10px;padding:14px 44px 14px 14px;margin-bottom:14px;
    background:#fff;position:relative;box-shadow:0 1px 2px rgba(15,23,42,.04);
  }
  .tabla-items td{padding:7px 0;text-align:left;}
  .tabla-items td::before{
    content:attr(data-label);display:block;font-size:11px;font-weight:600;color:var(--texto-tenue);
    text-transform:uppercase;letter-spacing:.03em;margin-bottom:4px;
  }
  .tabla-items td.col-eliminar{
    position:absolute;top:10px;right:10px;padding:0;width:auto;
  }
  .tabla-items td.col-eliminar::before{content:none;}
}

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