.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px 20px;
}
.form-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.form-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.field { display: flex; flex-direction: column; gap: 5px; }
.field.full { grid-column: 1 / -1; }

label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gris);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

input, select, textarea {
  border: 1.5px solid var(--borde);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--texto);
  background: var(--blanco);
  transition: border-color 0.2s;
  width: 100%;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--azul-claro);
  box-shadow: 0 0 0 3px rgba(45,106,159,0.12);
}

.field-help {
  display: block;
  margin-top: 2px;
  color: #6b7b8c;
  font-size: 11px;
  line-height: 1.35;
}

textarea { resize: vertical; min-height: 70px; }

.carga-header {
  display: flex;
  gap: 14px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.carga-header .field { flex: 1; min-width: 200px; }

.prov-select-wrap { position: relative; }
.prov-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1.5px solid var(--azul-claro);
  border-top: none;
  border-radius: 0 0 6px 6px;
  max-height: 220px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
}
.prov-dropdown.open { display: block; }
.prov-item {
  padding: 9px 14px;
  cursor: pointer;
  font-size: 13.5px;
  border-bottom: 1px solid #f0f0f0;
}
.prov-item:hover { background: var(--azul-suave); }
.prov-item small { color: var(--gris); font-size: 12px; display: block; }

@media (max-width: 700px) {
  .form-grid.cols-3, .form-grid.cols-2 { grid-template-columns: 1fr; }
  .carga-header {
    display: grid;
    grid-template-columns: 1fr;
    align-items: stretch;
  }
  .carga-header .field,
  .carga-header button {
    width: 100%;
  }
}