/**
 * Estilo inspirado en formularios DataFlex / Visual DataFlex (cabecera + rejilla).
 * No es réplica exacta: sin .vw no se puede igualar posición píxel a píxel.
 */
:root {
  --df-bg: #d4d0c8;
  --df-panel: #ece9d8;
  --df-border-dark: #808080;
  --df-border-light: #ffffff;
  --df-text: #000000;
  --df-caption: #0a246a;
  --df-grid-header: #c0c0c0;
}

.df-screen {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-size: 13px;
  color: var(--df-text);
  background: var(--df-bg);
  padding: 8px;
  border: 1px solid var(--df-border-dark);
  box-shadow: inset 1px 1px 0 var(--df-border-light);
}

.df-window-title {
  background: linear-gradient(90deg, var(--df-caption), #3a6ea5);
  color: #fff;
  padding: 4px 8px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.02em;
  margin: -8px -8px 10px -8px;
}

.df-panel {
  background: var(--df-panel);
  border: 1px solid;
  border-color: var(--df-border-dark) var(--df-border-light) var(--df-border-light) var(--df-border-dark);
  padding: 10px 12px;
  margin-bottom: 12px;
}

.df-panel-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: #333;
  margin: 0 0 8px 0;
  padding-bottom: 4px;
  border-bottom: 1px solid #a0a0a0;
}

.df-fields {
  display: grid;
  grid-template-columns: minmax(100px, 130px) 1fr minmax(100px, 130px) 1fr;
  gap: 6px 12px;
  align-items: center;
}

@media (max-width: 768px) {
  .df-fields {
    grid-template-columns: 110px 1fr;
  }
}

.df-label {
  text-align: right;
  padding-right: 6px;
  color: #222;
  white-space: nowrap;
}

.df-value {
  background: #fff;
  border: 1px solid #7a7a7a;
  padding: 2px 6px;
  min-height: 22px;
}

.df-value.df-readonly {
  background: #f5f5f5;
}

.df-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.df-toolbar .btn {
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 2px;
}

.df-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--df-border-dark);
  background: #fff;
}

.df-table {
  width: 100%;
  font-size: 12px;
  border-collapse: collapse;
  margin: 0;
}

.df-table thead th {
  background: var(--df-grid-header);
  border: 1px solid #888;
  padding: 4px 6px;
  font-weight: 600;
  text-align: left;
}

.df-table tbody td {
  border: 1px solid #ccc;
  padding: 3px 6px;
  vertical-align: middle;
}

.df-table tbody tr:nth-child(even) {
  background: #f8f8ff;
}

.df-hint {
  font-size: 11px;
  color: #555;
  margin-top: 8px;
}

.df-form-inline .form-label {
  font-size: 11px;
  margin-bottom: 2px;
}

.df-form-inline .form-control-sm {
  font-size: 12px;
  border-radius: 1px;
}

/* --------------------------------------------------------------------------
   Vista tipo DataFlex: encabezado permanece arriba, detalle (rejilla) con scroll
   interno, banda de entrada abajo fija. En pantallas pequeñas vuelve a flujo normal.
   -------------------------------------------------------------------------- */
.df-doc-page {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 5.25rem);
  max-height: calc(100vh - 5.25rem);
  overflow: hidden;
  padding-bottom: 4px;
}

@media (max-width: 991.98px) {
  .df-doc-page {
    height: auto;
    max-height: none;
    overflow: visible;
  }
}

.df-doc-fixed-top {
  flex: 0 0 auto;
}

.df-doc-middle {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.df-doc-panel-grid {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  margin-bottom: 8px !important;
  padding-bottom: 6px;
}

.df-doc-grid-scroll {
  flex: 1 1 auto;
  min-height: 100px;
  overflow: auto;
  border: 1px solid var(--df-border-dark);
  background: #fff;
}

.df-doc-grid-scroll .df-table {
  margin: 0;
}

.df-doc-grid-scroll .df-table thead th {
  position: sticky;
  top: 0;
  z-index: 4;
  box-shadow: 0 1px 0 #666;
}

.df-doc-fixed-bottom {
  flex: 0 0 auto;
}

.df-doc-fixed-bottom .df-panel {
  margin-bottom: 0;
}