/* ============================================
   INVENTARIO — UX/5 Visual Improvements
   Professional, modern, sober POS/minimarket aesthetic
   Blue electric: primary interaction | Purple: secondary | Black/grey: structure
   Green: success only (sober) | Amber: warning | Red: error
   ============================================ */

/* ---------- INVENTARIO PAGE CONTAINER ---------- */
#pageProductos {
  padding-bottom: 0;
}

#pageProductos .products-page-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
}

@media (max-width: 640px) {
  #pageProductos .products-page-form {
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
  }
}

/* ---------- INVENTARIO HEADER ---------- */
.inventory-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.inventory-header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.inventory-title-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.inventory-title {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--font-xl);
  letter-spacing: 0.04em;
  color: var(--color-text-primary);
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.inventory-title svg {
  color: var(--color-electric-blue);
  flex-shrink: 0;
}

.inventory-subtitle {
  font-family: var(--font-ui);
  font-size: var(--font-sm);
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 500px;
}

.inventory-header-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  flex-shrink: 0;
}

.inventory-header-actions .btn {
  min-height: var(--control-h-md);
}

/* Search in header */
.inventory-search-wrapper {
  flex: 1;
  min-width: 280px;
  max-width: 480px;
}

.inventory-search {
  width: 100%;
  min-height: var(--control-h-lg);
  padding: var(--space-2) var(--space-3) var(--space-2) var(--space-10);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: var(--font-ui);
  font-size: var(--font-base);
  outline: none;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23707070' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: var(--space-3) center;
}

.inventory-search:focus {
  border-color: var(--color-electric-blue);
  box-shadow: var(--ring-focus);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%230077FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
}

.inventory-search::placeholder {
  color: var(--color-text-placeholder);
}

@media (max-width: 640px) {
  .inventory-header-top {
    flex-direction: column;
    align-items: stretch;
  }

  .inventory-search-wrapper {
    max-width: none;
    min-width: 0;
  }

  .inventory-header-actions {
    justify-content: flex-end;
  }
}

/* ---------- INVENTARIO FILTERS ---------- */
.inventory-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.inventory-filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  min-width: 180px;
}

.inventory-filter-label {
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
  white-space: nowrap;
}

.inventory-filter-select {
  flex: 1;
  min-width: 0;
  min-height: var(--control-h-md);
  padding: var(--space-2) var(--space-10) var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-primary);
  font-family: var(--font-ui);
  font-size: var(--font-sm);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A0A0A0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.inventory-filter-select:focus {
  border-color: var(--color-electric-blue);
  box-shadow: var(--ring-focus);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230077FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
}

.inventory-filter-select:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.inventory-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  flex: 1;
  min-width: 200px;
}

.inventory-filter-chip {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  border-radius: var(--radius-pill);
  padding: var(--space-1) var(--space-3);
  min-height: var(--control-h-sm);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.04em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: border-color var(--transition-normal), background var(--transition-normal), color var(--transition-normal);
}

.inventory-filter-chip:hover {
  border-color: var(--color-electric-blue);
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}

.inventory-filter-chip.active {
  background: var(--color-electric-blue);
  border-color: var(--color-electric-blue);
  color: #fff;
}

.inventory-filter-chip:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.inventory-filter-clear {
  min-height: var(--control-h-md);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.06em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  transition: border-color var(--transition-normal), background var(--transition-normal), color var(--transition-normal);
}

.inventory-filter-clear:hover {
  border-color: var(--color-error);
  background: var(--color-error-bg);
  color: var(--color-error);
}

.inventory-filter-clear:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

@media (max-width: 640px) {
  .inventory-filters {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
    padding: var(--space-3);
  }

  .inventory-filter-group {
    flex-direction: column;
    align-items: stretch;
    min-width: 0;
  }

  .inventory-filter-select {
    width: 100%;
  }

  .inventory-filter-chips {
    justify-content: flex-start;
  }
}

/* ---------- STOCK INDICATORS ---------- */
.stock-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.stock-badge.normal {
  background: var(--color-success-green-bg);
  color: var(--color-success-green);
  border: 1px solid var(--color-success-green-border);
}

.stock-badge.low {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

.stock-badge.zero {
  background: var(--color-error-bg);
  color: var(--color-error);
  border: 1px solid var(--color-error-border);
}

.stock-badge.dots {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  padding: 0;
  gap: 0;
}

.stock-badge.dots.normal {
  background: var(--color-success-green);
}

.stock-badge.dots.low {
  background: var(--color-warning);
}

.stock-badge.dots.zero {
  background: var(--color-error);
}

/* Stock indicator with number */
.stock-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--font-sm);
}

.stock-indicator .stock-value {
  font-weight: 700;
  font-size: var(--font-base);
}

.stock-indicator.normal .stock-value {
  color: var(--color-success-green);
}

.stock-indicator.low .stock-value {
  color: var(--color-warning);
}

.stock-indicator.zero .stock-value {
  color: var(--color-error);
}

/* ---------- INVENTARIO TABLE / LIST ---------- */
.inventory-table-container {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.inventory-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: var(--font-sm);
}

.inventory-table thead {
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
}

.inventory-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 700;
  white-space: nowrap;
}

.inventory-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

.inventory-table tbody tr:last-child {
  border-bottom: none;
}

.inventory-table tbody tr:hover {
  background: var(--color-surface-hover);
}

.inventory-table td {
  padding: var(--space-3) var(--space-4);
  vertical-align: middle;
  color: var(--color-text-primary);
}

.inventory-table td.mono {
  font-family: var(--font-mono);
  font-size: var(--font-sm);
}

/* Product column */
.inventory-col-product {
  min-width: 280px;
  max-width: 400px;
}

.inventory-product-cell {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.inventory-product-thumb {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #fff;
  flex-shrink: 0;
}

.inventory-product-thumb-placeholder {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 20px;
  flex-shrink: 0;
}

.inventory-product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.inventory-product-name {
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.inventory-product-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  color: var(--color-text-muted);
}

.inventory-product-code {
  font-weight: 500;
}

.inventory-product-category {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 1px 6px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* Stock column */
.inventory-col-stock {
  width: 100px;
  text-align: right;
}

/* Price column */
.inventory-col-price {
  width: 100px;
  text-align: right;
}

/* Status column */
.inventory-col-status {
  width: 100px;
  text-align: center;
}

/* Actions column */
.inventory-col-actions {
  width: 160px;
  text-align: right;
}

.inventory-actions {
  display: inline-flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.inventory-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  padding: var(--space-1) var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-normal), border-color var(--transition-normal), color var(--transition-normal), box-shadow var(--transition-normal);
}

.inventory-action-btn svg {
  font-size: 14px;
}

.inventory-action-btn.view {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.inventory-action-btn.view:hover {
  background: var(--color-electric-blue);
  border-color: var(--color-electric-blue);
  color: #fff;
}

.inventory-action-btn.edit {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.inventory-action-btn.edit:hover {
  background: var(--color-purple);
  border-color: var(--color-purple);
  color: #fff;
}

.inventory-action-btn.restock {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-text-secondary);
}

.inventory-action-btn.restock:hover {
  background: var(--color-purple);
  border-color: var(--color-purple);
  color: #fff;
}

.inventory-action-btn.delete {
  background: var(--color-surface);
  border-color: var(--color-border);
  color: var(--color-error);
}

.inventory-action-btn.delete:hover {
  background: var(--color-error);
  border-color: var(--color-error);
  color: #fff;
}

/* ---------- INVENTARIO CARD VIEW (Mobile/Tablet) ---------- */
.inventory-grid {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 641px) and (max-width: 980px) {
  .inventory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 981px) {
  .inventory-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

.inventory-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
  min-height: 0;
}

.inventory-card:hover {
  border-color: var(--color-electric-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.inventory-card-thumb {
  width: 100%;
  height: 120px;
  object-fit: contain;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}

.inventory-card-thumb-placeholder {
  width: 100%;
  height: 120px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 28px;
  border-bottom: 1px solid var(--color-border);
}

.inventory-card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-2);
  gap: var(--space-1);
  min-width: 0;
}

.inventory-card-name {
  font-family: var(--font-ui);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

.inventory-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-1);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.inventory-card-price {
  font-family: var(--font-mono);
  font-size: var(--font-base);
  font-weight: 700;
  color: var(--color-text-primary);
  white-space: nowrap;
}

.inventory-card-stock {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.inventory-card-actions {
  display: flex;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-2);
  border-top: 1px dashed var(--color-border);
  background: var(--color-bg);
}

@media (max-width: 640px) {
  .inventory-table-container {
    display: none;
  }

  .inventory-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }

  .inventory-card-thumb,
  .inventory-card-thumb-placeholder {
    height: 100px;
  }

  .inventory-card-content {
    padding: var(--space-2);
  }

  .inventory-card-name {
    font-size: var(--font-xs);
  }

  .inventory-card-price {
    font-size: var(--font-sm);
  }

  .inventory-card-actions {
    padding: var(--space-1) var(--space-1);
  }
}

@media (min-width: 641px) {
  .inventory-grid {
    display: none;
  }
}

/* ---------- MOVEMENTS / HISTORY IN INVENTARIO ---------- */
.inventory-movements {
  margin-top: var(--space-6);
}

.inventory-movements-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.inventory-movements-title {
  font-family: var(--font-mono);
  font-size: var(--font-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  font-weight: 700;
  margin: 0;
}

.inventory-movements-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: var(--font-sm);
}

.inventory-movements-table thead {
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border);
}

.inventory-movements-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 700;
  white-space: nowrap;
}

.inventory-movements-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

.inventory-movements-table tbody tr:hover {
  background: var(--color-surface-hover);
}

.inventory-movements-table td {
  padding: var(--space-2) var(--space-4);
  vertical-align: middle;
  color: var(--color-text-primary);
}

.inventory-movements-table td.mono {
  font-family: var(--font-mono);
  font-size: var(--font-sm);
}

/* Movement type badges */
.movement-type {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--font-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.movement-type.entrada {
  background: var(--color-success-green-bg);
  color: var(--color-success-green);
  border: 1px solid var(--color-success-green-border);
}

.movement-type.salida {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

.movement-type.ajuste {
  background: var(--color-info-bg);
  color: var(--color-info);
  border: 1px solid var(--color-info-border);
}

/* ---------- EMPTY STATES ---------- */
.inventory-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-10) var(--space-6);
  text-align: center;
  color: var(--color-text-muted);
}

.inventory-empty-icon {
  font-size: 48px;
  color: var(--color-text-muted);
  opacity: 0.5;
}

.inventory-empty-title {
  font-family: var(--font-mono);
  font-size: var(--font-lg);
  font-weight: 700;
  color: var(--color-text-secondary);
  margin: 0;
}

.inventory-empty-subtitle {
  font-family: var(--font-ui);
  font-size: var(--font-sm);
  color: var(--color-text-muted);
  margin: 0;
  max-width: 320px;
}

.inventory-empty-action {
  margin-top: var(--space-2);
}

/* ---------- RESPONSIVE ADJUSTMENTS ---------- */
@media (max-width: 980px) {
  .inventory-title {
    font-size: var(--font-lg);
  }

  .inventory-header {
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
  }

  .inventory-filters {
    padding: var(--space-3);
  }
}

@media (max-width: 640px) {
  .inventory-title {
    font-size: var(--font-base);
  }

  .inventory-subtitle {
    font-size: var(--font-xs);
  }

  .inventory-search {
    min-height: var(--control-h-md);
    font-size: var(--font-sm);
  }

  .inventory-filter-select {
    font-size: var(--font-xs);
  }

  .inventory-filter-chip {
    font-size: 10px;
    padding: var(--space-1) var(--space-2);
  }

  .inventory-table th,
  .inventory-table td {
    padding: var(--space-2) var(--space-3);
  }

  .inventory-table th {
    font-size: 10px;
  }

  .inventory-table td {
    font-size: var(--font-xs);
  }

  .inventory-product-thumb,
  .inventory-product-thumb-placeholder {
    width: 36px;
    height: 36px;
  }

  .inventory-action-btn {
    min-width: 32px;
    min-height: 32px;
    padding: var(--space-1);
  }

  .inventory-card-thumb,
  .inventory-card-thumb-placeholder {
    height: 100px;
  }

  .inventory-card-actions {
    padding: var(--space-2);
  }
}

/* ---------- PRINT STYLES ---------- */
@media print {
  .inventory-header-actions,
  .inventory-filters,
  .inventory-search-wrapper,
  .inventory-col-actions,
  .inventory-card-actions {
    display: none !important;
  }

  .inventory-table-container {
    border: none;
    overflow: visible;
  }

  .inventory-table thead {
    background: none;
    border-bottom: 2px solid var(--color-border);
  }

  .inventory-table tbody tr {
    break-inside: avoid;
    border-bottom: 1px solid var(--color-border);
  }

  .inventory-grid {
    display: block !important;
  }

  .inventory-card {
    break-inside: avoid;
    border: 1px solid var(--color-border);
    margin-bottom: var(--space-2);
    box-shadow: none;
    transform: none;
  }
}