:root {
  --azul-900: #0f2540;
  --azul-800: #16345c;
  --azul-700: #1e4a82;
  --azul-600: #2563a8;
  --azul-500: #2f7fd1;
  --gris-100: #f3f5f9;
  --gris-200: #e4e8f0;
  --gris-300: #c9d1de;
  --gris-500: #8a94a6;
  --gris-700: #4b5563;
  --gris-900: #1f2937;
  --verde: #16a34a;
  --rojo: #dc2626;
  --ambar: #d97706;
  --sombra: 0 1px 3px rgba(15, 37, 64, .12), 0 4px 12px rgba(15, 37, 64, .08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--gris-900); background: var(--gris-100); }

/* ---------- Login ---------- */
.login-body { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, var(--azul-900), var(--azul-700)); }
.login-card { background: #fff; width: 380px; max-width: 92vw; border-radius: 14px; padding: 32px; box-shadow: var(--sombra); }
.login-logo { font-size: 32px; font-weight: 800; color: var(--azul-700); text-align: center; letter-spacing: 2px; }
.login-sub { text-align: center; color: var(--gris-500); margin: 4px 0 22px; font-size: 13px; }
.login-hint { margin-top: 14px; font-size: 12px; color: var(--gris-500); text-align: center; }
.login-hint code { background: var(--gris-200); padding: 1px 6px; border-radius: 4px; }
.error-msg { color: var(--rojo); font-size: 13px; margin: 8px 0; }

/* ---------- Campos / botones ---------- */
.campo { display: block; margin-bottom: 14px; }
.campo span { display: block; font-size: 12px; font-weight: 600; color: var(--gris-700); margin-bottom: 5px; }
.campo input, .campo select, .campo textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--gris-300); border-radius: 8px; font-size: 14px; background: #fff;
}
.campo input:focus, .campo select:focus { outline: 2px solid var(--azul-500); border-color: transparent; }

.btn { border: none; border-radius: 8px; padding: 9px 14px; font-size: 14px; font-weight: 600; cursor: pointer; transition: filter .15s; }
.btn:hover { filter: brightness(1.05); }
.btn-primary { background: var(--azul-600); color: #fff; }
.btn-success { background: var(--verde); color: #fff; }
.btn-danger { background: var(--rojo); color: #fff; }
.btn-ghost { background: transparent; color: var(--azul-600); border: 1px solid var(--gris-300); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-block { width: 100%; margin-top: 6px; }

/* ---------- Layout app ---------- */
.app-body { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: var(--azul-900); color: #dbe7f5; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.sidebar-logo { font-size: 24px; font-weight: 800; letter-spacing: 2px; padding: 20px 20px 6px; color: #fff; }
.sidebar-empresa { padding: 0 20px 14px; font-size: 12px; color: var(--azul-500); border-bottom: 1px solid rgba(255,255,255,.08); }
#menu-modulos { flex: 1; padding: 12px 10px; overflow-y: auto; }
.menu-item { display: flex; align-items: center; gap: 10px; width: 100%; background: transparent; border: none; color: #c3d4e8; padding: 10px 12px; border-radius: 8px; cursor: pointer; font-size: 14px; text-align: left; margin-bottom: 2px; }
.menu-item:hover { background: rgba(255,255,255,.08); color: #fff; }
.menu-item.activo { background: var(--azul-600); color: #fff; font-weight: 600; }
.sidebar-user { border-top: 1px solid rgba(255,255,255,.08); padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 13px; }

.contenido { flex: 1; padding: 0 26px 40px; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; border-bottom: 1px solid var(--gris-200); margin-bottom: 20px; }
.topbar h1 { font-size: 20px; color: var(--azul-900); }
#fecha-hoy { color: var(--gris-500); font-size: 13px; }

/* ---------- Tablas ---------- */
.tabla { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: var(--sombra); font-size: 14px; }
.tabla th { background: var(--gris-100); color: var(--gris-700); text-align: left; padding: 11px 12px; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
.tabla td { padding: 10px 12px; border-top: 1px solid var(--gris-200); }
.tabla tr:hover td { background: #f8faff; }
.moneda { text-align: right; font-variant-numeric: tabular-nums; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- Tarjetas / utilidades ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 20px; }
.card { background: #fff; border-radius: 12px; padding: 18px; box-shadow: var(--sombra); }
.card .label { font-size: 12px; color: var(--gris-500); text-transform: uppercase; letter-spacing: .5px; }
.card .valor { font-size: 26px; font-weight: 800; color: var(--azul-900); margin-top: 6px; }
.card .valor.success { color: var(--verde); } .card .valor.danger { color: var(--rojo); } .card .valor.ambar { color: var(--ambar); }

/* ---------- Gráfico de barras (panel) ---------- */
.panel-grafico { background: #fff; border-radius: 12px; padding: 18px; box-shadow: var(--sombra); margin-bottom: 20px; }
.panel-grafico h3 { color: var(--azul-900); margin-bottom: 14px; font-size: 15px; }
.grafico-barras { display: flex; align-items: flex-end; gap: 6px; height: 220px; padding-top: 10px; }
.barra-col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.barra-valor { font-size: 11px; color: var(--gris-700); margin-bottom: 4px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.barra { width: 100%; max-width: 46px; background: linear-gradient(180deg, var(--azul-500), var(--azul-700)); border-radius: 6px 6px 0 0; min-height: 2px; transition: height .3s ease; }
.barra:hover { background: var(--verde); }
.barra-etiqueta { font-size: 11px; color: var(--gris-500); margin-top: 6px; text-transform: uppercase; }

.barra-acciones { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.barra-acciones .campo { margin: 0; }
.spacer { flex: 1; }
.vista { max-width: 1100px; }
.vacio { text-align: center; color: var(--gris-500); padding: 40px; }

/* ---------- Modal ---------- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(15,37,64,.45); display: grid; place-items: center; z-index: 50; }
.modal { background: #fff; border-radius: 12px; width: 560px; max-width: 94vw; max-height: 90vh; overflow-y: auto; padding: 22px; box-shadow: var(--sombra); }
.modal h3 { color: var(--azul-900); margin-bottom: 16px; }
.modal .btn-cerrar { float: right; background: none; border: none; font-size: 20px; cursor: pointer; color: var(--gris-500); }
.fila { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fila .campo span { font-size: 12px; }
.grid-lista { display: grid; gap: 8px; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; }
.badge.ok { background: #dcfce7; color: var(--verde); }
.badge.warn { background: #fef3c7; color: var(--ambar); }
.badge.err { background: #fee2e2; color: var(--rojo); }

.margen-abajo { margin-bottom: 18px; }
.margen-top { margin-top: 18px; }
/* ---------- Pickers y filas de detalle (producción) ---------- */
.picker { display: flex; flex-direction: column; gap: 6px; }
.picker input { width: 100%; padding: 9px 11px; border: 1px solid var(--gris-300); border-radius: 8px; font-size: 14px; }
.picker select { width: 100%; min-height: 80px; border: 1px solid var(--gris-300); border-radius: 8px; font-size: 13px; padding: 4px; }
.picker-inline { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.picker-inline input { padding: 7px 9px; border: 1px solid var(--gris-300); border-radius: 7px; font-size: 13px; }
.picker-inline select { min-height: 60px; border: 1px solid var(--gris-300); border-radius: 7px; font-size: 12px; }
.detalle-fila { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 8px; }
.detalle-fila > select, .detalle-fila > input { padding: 7px 9px; border: 1px solid var(--gris-300); border-radius: 7px; font-size: 13px; }
.detalle-fila .det-cant, .detalle-fila .bom-cant { width: 110px; }
.detalle-fila .det-talla, .detalle-fila .det-color { width: 90px; }
.detalle-fila .det-bodega { min-width: 150px; }
.fila-alerta td { background: #fff5f5; }
.fila-alerta:hover td { background: #ffecec; }