:root {
  --oscuro: #1d2329;
  --oscuro-2: #2a323a;
  --fondo: #f4f2ee;
  --tarjeta: #ffffff;
  --borde: #e2ded6;
  --texto: #1d2329;
  --suave: #5b6670;
  --acento: #d9731f;
  --acento-2: #b5651d;
  --azul: #2f6f9f;
  --ok: #2e7d4f;
  --alerta: #b7791f;
  --error: #b42318;
  --radio: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; background: var(--fondo); color: var(--texto); font-size: 15px; }
a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 24px 0 10px; }
h3 { font-size: 15px; margin: 16px 0 8px; }
.cargando-inicial { padding: 40px; text-align: center; color: var(--suave); }

/* ---------- Login ---------- */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; background: var(--oscuro); }
.login-caja { background: var(--tarjeta); border-radius: 14px; padding: 32px; width: 100%; max-width: 380px; }
.login-caja h1 { margin-bottom: 4px; }
.login-caja p.sub { color: var(--suave); margin: 0 0 20px; }
.login-caja .linea { height: 4px; width: 56px; background: var(--acento); border-radius: 2px; margin-bottom: 18px; }

/* ---------- Layout ---------- */
.layout { display: flex; min-height: 100vh; }
.lateral { width: 230px; background: var(--oscuro); color: #e9ecef; flex-shrink: 0; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.lateral .marca { padding: 18px 18px 12px; font-weight: 700; font-size: 15px; line-height: 1.3; border-bottom: 1px solid var(--oscuro-2); }
.lateral .marca small { display: block; font-weight: 400; color: #9aa4ad; font-size: 12px; margin-top: 2px; }
.lateral nav { padding: 8px 0; flex: 1; }
.lateral .grupo { padding: 14px 18px 4px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: #8a949d; }
.lateral nav a { display: block; padding: 8px 18px; color: #dfe3e7; font-size: 14px; border-left: 3px solid transparent; }
.lateral nav a:hover { background: var(--oscuro-2); text-decoration: none; }
.lateral nav a.activo { background: var(--oscuro-2); border-left-color: var(--acento); color: #fff; }
.lateral .usuario { padding: 14px 18px; border-top: 1px solid var(--oscuro-2); font-size: 13px; color: #b9c0c7; }
.lateral .usuario b { color: #fff; display: block; }
.contenido { flex: 1; min-width: 0; padding: 24px 28px 60px; }
.barra-movil { display: none; }

@media (max-width: 860px) {
  .layout { display: block; }
  .lateral { position: fixed; z-index: 50; left: -260px; transition: left .2s; width: 250px; }
  .lateral.abierto { left: 0; box-shadow: 0 0 40px rgba(0,0,0,.4); }
  .barra-movil { display: flex; align-items: center; gap: 12px; background: var(--oscuro); color: #fff; padding: 10px 14px; position: sticky; top: 0; z-index: 40; }
  .barra-movil button { background: none; border: 0; color: #fff; font-size: 22px; padding: 4px 8px; }
  .contenido { padding: 16px 14px 60px; }
}

/* ---------- Componentes ---------- */
.tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 16px; margin-bottom: 16px; }
.encabezado { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.encabezado h1 { margin: 0; }
.acciones { display: flex; gap: 8px; flex-wrap: wrap; }
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 14px 16px; }
.kpi .n { font-size: 28px; font-weight: 700; line-height: 1.1; }
.kpi .t { color: var(--suave); font-size: 13px; margin-top: 4px; }
.kpi.alerta { border-left: 4px solid var(--alerta); }
.kpi.error { border-left: 4px solid var(--error); }
.kpi.ok { border-left: 4px solid var(--ok); }
.kpi.acento { border-left: 4px solid var(--acento); }

button, .boton { font: inherit; border-radius: 8px; padding: 8px 14px; border: 1px solid var(--borde); background: #fff; color: var(--texto); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
button:hover, .boton:hover { border-color: #c8c2b7; text-decoration: none; }
button.primario, .boton.primario { background: var(--acento); border-color: var(--acento); color: #fff; font-weight: 600; }
button.primario:hover { background: var(--acento-2); }
button.peligro { color: var(--error); border-color: #f0c9c5; }
button.chico { padding: 4px 10px; font-size: 13px; }
button:disabled { opacity: .5; cursor: not-allowed; }

.filtros { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.filtros input, .filtros select { width: auto; min-width: 150px; }
label { display: block; font-size: 13px; color: var(--suave); margin-bottom: 4px; }
input, select, textarea { font: inherit; width: 100%; padding: 8px 10px; border: 1px solid var(--borde); border-radius: 8px; background: #fff; color: var(--texto); }
textarea { min-height: 70px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid #f1c79f; border-color: var(--acento); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px 14px; }
.form-grid .ancho { grid-column: 1 / -1; }
.campo { margin-bottom: 0; }

.tabla-cont { overflow-x: auto; background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 600; color: var(--suave); background: #faf9f6; padding: 9px 10px; border-bottom: 1px solid var(--borde); white-space: nowrap; font-size: 13px; }
td { padding: 9px 10px; border-bottom: 1px solid #efece6; vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tr.clic { cursor: pointer; }
tr.clic:hover td { background: #fbf6f0; }
.vacio { padding: 24px; text-align: center; color: var(--suave); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; background: #eceae5; color: #4a5560; }
.badge.ok { background: #e3f2e8; color: var(--ok); }
.badge.alerta { background: #fbf0d9; color: #8a5a10; }
.badge.error { background: #fbe4e1; color: var(--error); }
.badge.azul { background: #e3eef7; color: var(--azul); }
.badge.acento { background: #fbe9d7; color: var(--acento-2); }

.aviso { padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }
.aviso.alerta { background: #fbf0d9; border: 1px solid #f0d9a6; }
.aviso.error { background: #fbe4e1; border: 1px solid #f2c4bd; }
.aviso.info { background: #e3eef7; border: 1px solid #c4dbee; }
.datos { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 10px 18px; }
.datos div small { display: block; color: var(--suave); font-size: 12px; }
.suave { color: var(--suave); }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--borde); margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { border: 0; border-bottom: 3px solid transparent; border-radius: 0; background: none; padding: 8px 12px; }
.tabs button.activo { border-bottom-color: var(--acento); font-weight: 600; }
.lista-check { max-height: 360px; overflow-y: auto; border: 1px solid var(--borde); border-radius: 8px; }
.lista-check label { display: flex; gap: 10px; align-items: center; padding: 8px 10px; border-bottom: 1px solid #efece6; color: var(--texto); font-size: 14px; margin: 0; cursor: pointer; }
.lista-check input { width: auto; }
.item-recepcion { border: 1px solid var(--borde); border-radius: 8px; padding: 10px 12px; margin-bottom: 8px; }
.opciones { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0; }
.opciones label { display: inline-flex; gap: 6px; align-items: center; border: 1px solid var(--borde); border-radius: 8px; padding: 6px 10px; margin: 0; color: var(--texto); cursor: pointer; }
.opciones input { width: auto; }
.graficos { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }
.grafico { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: var(--radio); padding: 14px; }
.grafico canvas { max-height: 280px; }

/* ---------- Modal y avisos ---------- */
.modal-fondo { position: fixed; inset: 0; background: rgba(20,24,28,.55); display: flex; align-items: flex-start; justify-content: center; padding: 40px 12px; z-index: 100; overflow-y: auto; }
.modal { background: #fff; border-radius: 12px; width: 100%; max-width: 640px; padding: 20px; }
.modal h2 { margin: 0 0 14px; }
.modal .pie { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
#toast-root { position: fixed; right: 16px; bottom: 16px; z-index: 200; display: flex; flex-direction: column; gap: 8px; }
.toast { background: var(--oscuro); color: #fff; padding: 10px 14px; border-radius: 8px; max-width: 360px; box-shadow: 0 6px 20px rgba(0,0,0,.2); font-size: 14px; }
.toast.error { background: var(--error); }
.toast.ok { background: var(--ok); }
#lector-qr { width: 100%; max-width: 420px; margin: 8px 0; }

/* ---------- Etiquetas QR ---------- */
.etiquetas { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.etiqueta { border: 1px dashed #bbb; padding: 10px; text-align: center; background: #fff; break-inside: avoid; }
.etiqueta img { width: 140px; height: 140px; }
.etiqueta b { display: block; font-size: 16px; }
.etiqueta small { display: block; color: #555; font-size: 11px; }

/* ---------- Impresión ---------- */
.solo-impresion { display: none; }
@media print {
  body { background: #fff; }
  .lateral, .barra-movil, .no-imprimir, .acciones, #toast-root { display: none !important; }
  .contenido { padding: 0; }
  .tarjeta, .tabla-cont { border: 1px solid #999; }
  .solo-impresion { display: block; }
}