/* Almacén · GP Eficiencia — paleta corporativa navy/oro */
:root{
  --navy:#0B2545;
  --navy-claro:#143a68;
  --oro:#C9A24B;
  --verde:#22C55E;
  --verde-oscuro:#15803D;
  --rojo:#DC2626;
  --ambar:#F59E0B;
  --fondo:#F4F6F9;
  --panel:#FFFFFF;
  --borde:#DDE3EC;
  --texto:#16202E;
  --texto-suave:#5C6B80;
  --radio:12px;
  --sombra:0 1px 2px rgba(11,37,69,.06), 0 8px 24px rgba(11,37,69,.06);
  --alto-cabecera:56px;
  --alto-barra:60px;
}
@media (prefers-color-scheme: dark){
  :root{
    --fondo:#0E141C; --panel:#161F2B; --borde:#2A3747;
    --texto:#E8EDF4; --texto-suave:#94A3B8;
    --sombra:0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--fondo); color:var(--texto);
  -webkit-text-size-adjust:100%;
  overscroll-behavior-y:none;
}
.oculto{display:none !important}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* --- Carga --- */
.pantalla-carga{position:fixed;inset:0;display:grid;place-items:center;background:var(--navy);z-index:100}
.spinner{width:36px;height:36px;border:3px solid rgba(255,255,255,.25);border-top-color:var(--oro);border-radius:50%;animation:giro .8s linear infinite}
@keyframes giro{to{transform:rotate(360deg)}}

/* --- Login --- */
.login{min-height:100dvh;display:grid;place-items:center;padding:24px;
  background:linear-gradient(160deg,var(--navy) 0%,#071a31 100%)}
.login-caja{width:100%;max-width:380px;background:var(--panel);border-radius:16px;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.login-logo{width:56px;height:56px;display:block;margin:0 auto 12px}
.login h1{margin:0;text-align:center;font-size:22px}
.login-sub{margin:4px 0 22px;text-align:center;color:var(--texto-suave);font-size:14px}
.login label,.campo label{display:block;margin-bottom:14px;font-size:13px;font-weight:600;color:var(--texto-suave)}
.pie-version{color:rgba(255,255,255,.5);font-size:12px;margin-top:18px}

input[type=text],input[type=password],input[type=number],input[type=search],input[type=date],select,textarea{
  width:100%;margin-top:6px;padding:11px 12px;font-size:16px;font-weight:400;color:var(--texto);
  background:var(--panel);border:1px solid var(--borde);border-radius:10px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid var(--navy-claro);outline-offset:1px;border-color:transparent}
@media (prefers-color-scheme: dark){input:focus,select:focus,textarea:focus{outline-color:var(--oro)}}

/* Campo de contraseña con icono de ojo */
.campo-password{position:relative;display:block}
.campo-password input{padding-right:44px}
.ojo{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:34px;height:34px;
  border:0;background:transparent;cursor:pointer;border-radius:8px;color:var(--texto-suave);
  display:grid;place-items:center;margin-top:3px}
.ojo:hover{background:rgba(125,140,160,.14)}
.ojo::before{content:"";width:22px;height:22px;display:block;
  background-color:currentColor;
  -webkit-mask:var(--ojo-cerrado) center/contain no-repeat;mask:var(--ojo-cerrado) center/contain no-repeat}
.ojo[aria-pressed=true]::before{-webkit-mask-image:var(--ojo-abierto);mask-image:var(--ojo-abierto)}
:root{
  --ojo-cerrado:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M2 12s3.6-6 10-6 10 6 10 6-3.6 6-10 6-10-6-10-6z'/%3E%3Ccircle cx='12' cy='12' r='2.6'/%3E%3C/svg%3E");
  --ojo-abierto:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round'%3E%3Cpath d='M2 12s3.6-6 10-6 10 6 10 6-3.6 6-10 6-10-6-10-6z'/%3E%3Ccircle cx='12' cy='12' r='2.6'/%3E%3Cpath d='M3 21L21 3'/%3E%3C/svg%3E");
}

/* --- Botones --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 16px;font-size:15px;font-weight:600;font-family:inherit;
  border:1px solid var(--borde);background:var(--panel);color:var(--texto);
  border-radius:10px;cursor:pointer;text-decoration:none;line-height:1.2}
.btn:active{transform:translateY(1px)}
.btn-principal{background:var(--navy);border-color:var(--navy);color:#fff}
.btn-verde{background:var(--verde-oscuro);border-color:var(--verde-oscuro);color:#fff}
.btn-peligro{background:transparent;border-color:var(--rojo);color:var(--rojo)}
.btn-oro{background:var(--oro);border-color:var(--oro);color:#2A1F05}
.btn-ancho{width:100%}
.btn-peq{padding:7px 11px;font-size:13px;border-radius:8px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-texto{background:none;border:0;color:var(--texto-suave);font:inherit;font-size:14px;cursor:pointer;padding:6px 0;text-align:left}
.icono-btn{background:none;border:0;color:inherit;cursor:pointer;padding:8px;border-radius:8px;display:grid;place-items:center}

/* --- Cabecera y navegación --- */
.cabecera{position:sticky;top:0;z-index:30;height:var(--alto-cabecera);
  padding:0 8px 0 4px;padding-top:env(safe-area-inset-top);height:calc(var(--alto-cabecera) + env(safe-area-inset-top));
  display:flex;align-items:center;gap:6px;background:var(--navy);color:#fff}
.cabecera h1{font-size:17px;margin:0;flex:1;font-weight:600}
.cabecera-estado{display:flex;align-items:center;gap:8px}
.pastilla{font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  padding:3px 8px;border-radius:999px;background:rgba(255,255,255,.15)}
.pastilla.mqtt{background:var(--oro);color:#2A1F05}
.punto-conexion{width:9px;height:9px;border-radius:50%;background:var(--ambar);box-shadow:0 0 0 3px rgba(255,255,255,.12)}
.punto-conexion.ok{background:var(--verde)}
.punto-conexion.mal{background:var(--rojo)}

.lateral{position:fixed;top:0;left:0;bottom:0;width:270px;z-index:50;background:var(--panel);
  transform:translateX(-100%);transition:transform .22s ease;display:flex;flex-direction:column;
  padding-top:env(safe-area-inset-top);border-right:1px solid var(--borde);overflow-y:auto}
.lateral.abierto{transform:none}
.lateral-cabecera{display:flex;gap:10px;align-items:center;padding:18px 16px;border-bottom:1px solid var(--borde)}
.lateral-cabecera img{width:36px;height:36px}
.lateral-cabecera strong{display:block;font-size:15px}
.lateral-cabecera small{color:var(--texto-suave);font-size:12px;text-transform:capitalize}
.lateral a[data-nav]{display:flex;align-items:center;gap:12px;padding:12px 16px;color:var(--texto);
  text-decoration:none;font-size:15px;font-weight:500}
.lateral a[data-nav]:hover{background:rgba(125,140,160,.1)}
.lateral a[data-nav].activo{background:rgba(11,37,69,.08);color:var(--navy);font-weight:700;box-shadow:inset 3px 0 0 var(--oro)}
@media (prefers-color-scheme: dark){.lateral a[data-nav].activo{background:rgba(201,162,75,.12);color:var(--oro)}}
.lateral-seccion{padding:16px 16px 6px;font-size:11px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--texto-suave)}
.lateral-pie{margin-top:auto;padding:16px;border-top:1px solid var(--borde);display:flex;flex-direction:column;gap:8px}
.lateral-pie a{color:var(--texto-suave);font-size:14px;text-decoration:none}
.lateral-pie small{color:var(--texto-suave);font-size:11px}
.velo{position:fixed;inset:0;background:rgba(6,16,30,.5);z-index:40;opacity:0;pointer-events:none;transition:opacity .22s}
.velo.visible{opacity:1;pointer-events:auto}

main{padding:14px;padding-bottom:calc(var(--alto-barra) + env(safe-area-inset-bottom) + 16px);max-width:1100px;margin:0 auto}
.barra-inferior{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;
  background:var(--panel);border-top:1px solid var(--borde);
  padding-bottom:env(safe-area-inset-bottom)}
.barra-inferior a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:9px 0;color:var(--texto-suave);text-decoration:none;font-size:11px;font-weight:600}
.barra-inferior a.activo{color:var(--navy)}
@media (prefers-color-scheme: dark){.barra-inferior a.activo{color:var(--oro)}}
@media (min-width:900px){
  #app:not(.oculto){display:grid;min-height:100dvh;
    grid-template-columns:270px minmax(0,1fr);
    grid-template-rows:auto minmax(0,1fr);
    grid-template-areas:"lateral cabecera" "lateral principal"}
  .lateral{grid-area:lateral;transform:none;position:sticky;top:0;height:100dvh;bottom:auto}
  .cabecera{grid-area:cabecera}
  main{grid-area:principal;padding:20px;padding-bottom:40px;max-width:1100px;width:100%;margin:0}
  .velo,.menu-btn,.barra-inferior{display:none}
}

/* --- Paneles y tarjetas --- */
.panel{background:var(--panel);border:1px solid var(--borde);border-radius:var(--radio);
  box-shadow:var(--sombra);padding:16px;margin-bottom:14px}
.panel h2{margin:0 0 4px;font-size:16px}
.panel .sub{margin:0 0 14px;color:var(--texto-suave);font-size:13px}
.fila{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.fila > *{flex:1;min-width:130px}
.fila .estrecho{flex:0 0 110px;min-width:110px}
.acciones{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.rejilla{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.tarjeta-dato{background:var(--panel);border:1px solid var(--borde);border-radius:var(--radio);padding:14px}
.tarjeta-dato .cifra{font-size:26px;font-weight:700;line-height:1.1}
.tarjeta-dato .etiqueta{font-size:12px;color:var(--texto-suave);margin-top:2px}
.tarjeta-dato.alerta .cifra{color:var(--ambar)}

/* --- Buscador --- */
.buscador{position:relative;display:flex;gap:8px;margin-bottom:14px}
.buscador input{font-size:17px;padding:14px 14px 14px 42px}
.buscador .lupa{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--texto-suave);pointer-events:none}
.resultado{display:flex;align-items:center;gap:12px;padding:13px 14px;background:var(--panel);
  border:1px solid var(--borde);border-radius:var(--radio);margin-bottom:8px;cursor:pointer;
  text-align:left;width:100%;font:inherit;color:inherit}
.resultado:hover{border-color:var(--navy-claro)}
.resultado .cuerpo{flex:1;min-width:0}
.resultado .cod{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--texto-suave)}
.resultado .desc{font-weight:600;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.resultado .ubi{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;
  padding:3px 8px;border-radius:6px;background:rgba(11,37,69,.08);color:var(--navy);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
@media (prefers-color-scheme: dark){.resultado .ubi{background:rgba(201,162,75,.14);color:var(--oro)}}
.resultado .ubi.sin{background:rgba(245,158,11,.16);color:#B45309}
.vacio{text-align:center;color:var(--texto-suave);padding:36px 16px;font-size:14px}
.vacio svg{width:42px;height:42px;opacity:.35;margin-bottom:10px}

/* --- Luz activa --- */
.luz-activa{background:linear-gradient(140deg,#0f5132,#15803D);color:#fff;border:0;
  border-radius:16px;padding:22px;margin-bottom:14px;box-shadow:0 10px 30px rgba(21,128,61,.3)}
.luz-activa .ubicacion{font-size:34px;font-weight:800;letter-spacing:.02em;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;margin:6px 0}
.luz-activa .articulo{font-size:15px;opacity:.95}
.luz-activa .meta{font-size:12px;opacity:.8;margin-top:4px}
.luz-activa .cuenta{font-variant-numeric:tabular-nums}
.luz-activa .acciones{margin-top:16px}
.luz-activa .btn{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.3);color:#fff}
.luz-activa .btn-confirmar{background:#fff;color:#0f5132;border-color:#fff}
.pulso{animation:pulso 1.6s ease-in-out infinite}
@keyframes pulso{0%,100%{opacity:1}50%{opacity:.55}}

/* --- Mapa de estantería --- */
.estanteria{background:var(--panel);border:1px solid var(--borde);border-radius:var(--radio);
  padding:14px;margin-bottom:14px}
.estanteria-cab{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.estanteria-cab h3{margin:0;font-size:15px}
.tira{display:flex;gap:2px;flex-wrap:wrap;padding:8px;background:#0d1420;border-radius:8px}
.led{width:9px;height:16px;border-radius:2px;background:#243044;transition:background .15s, box-shadow .15s}
.led.on{background:var(--verde);box-shadow:0 0 6px var(--verde),0 0 12px rgba(34,197,94,.6)}
.led.on.blanco{background:#fff;box-shadow:0 0 6px #fff}
.led.on.ambar{background:var(--ambar);box-shadow:0 0 6px var(--ambar)}
.baldas{display:grid;gap:6px;margin-top:10px}
.balda{display:flex;gap:6px;align-items:center}
.balda .etiqueta{font-size:11px;color:var(--texto-suave);width:34px;font-family:ui-monospace,monospace}
.huecos{display:grid;gap:6px;flex:1;grid-template-columns:repeat(auto-fit,minmax(64px,1fr))}
.hueco{border:1px solid var(--borde);border-radius:8px;padding:6px 8px;
  font-size:11px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;text-align:center;
  background:var(--fondo);color:var(--texto-suave)}
.hueco.encendido{background:var(--verde);border-color:var(--verde);color:#05310f;font-weight:700;
  box-shadow:0 0 14px rgba(34,197,94,.55)}
.hueco.sin-calibrar{border-style:dashed;opacity:.6}

/* --- Tablas --- */
.tabla-envoltorio{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -16px;padding:0 16px}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--texto-suave);padding:8px 10px;border-bottom:1px solid var(--borde);white-space:nowrap}
td{padding:9px 10px;border-bottom:1px solid var(--borde);vertical-align:middle}
tr:last-child td{border-bottom:0}
td.mono,th.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.estado{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600}
.estado::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--texto-suave)}
.estado.online::before{background:var(--verde)}
.estado.offline::before{background:var(--rojo)}
.etiqueta-aviso{display:inline-block;font-size:11px;font-weight:700;padding:2px 7px;border-radius:6px;
  background:rgba(245,158,11,.16);color:#B45309}

/* --- Avisos --- */
.avisos{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--alto-barra) + 16px);
  z-index:80;display:flex;flex-direction:column;gap:8px;width:calc(100% - 32px);max-width:420px;pointer-events:none}
@media (min-width:900px){.avisos{bottom:20px}}
.aviso{background:var(--navy);color:#fff;padding:12px 14px;border-radius:10px;font-size:14px;
  box-shadow:0 8px 24px rgba(0,0,0,.3);animation:entra .2s ease}
.aviso.error{background:var(--rojo)}
.aviso.ok{background:var(--verde-oscuro)}
@keyframes entra{from{opacity:0;transform:translateY(8px)}}
.error{color:var(--rojo);font-size:13px;margin:8px 0 0}

/* --- Modal --- */
.modal-fondo{position:fixed;inset:0;background:rgba(6,16,30,.55);z-index:70;display:grid;place-items:center;padding:16px}
.modal{background:var(--panel);border-radius:14px;width:100%;max-width:460px;max-height:86dvh;
  overflow-y:auto;padding:20px;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.modal h3{margin:0 0 14px;font-size:17px}
.modal .acciones{justify-content:flex-end;margin-top:18px}

/* --- Calibración --- */
.calibrador{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:12px 0}
.led-grande{display:inline-grid;place-items:center;width:64px;height:64px;border-radius:12px;
  background:#0d1420;color:#5C6B80;font-weight:700;font-family:ui-monospace,monospace}
.led-grande.on{background:var(--verde);color:#05310f;box-shadow:0 0 22px rgba(34,197,94,.7)}
.pista{font-size:13px;color:var(--texto-suave);line-height:1.5}
.pista code{background:rgba(125,140,160,.14);padding:1px 5px;border-radius:4px;font-size:12px}