/* =========================================================================
       BASE RESET & SHELL
       ========================================================================= */

    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html, body {
      height: 100%;
    }

    body {
      font-family: var(--font-body);
      font-size: var(--text-body);
      color: var(--color-text-primary);
      background-color: var(--color-bg-base);
      transition: background-color var(--duration-normal) var(--ease-in-out),
                  color var(--duration-normal) var(--ease-in-out);
      overflow: hidden;
    }

    [data-theme="modern"] body,
    [data-theme="modern"].body-shell {
      background-color: var(--color-bg-base);
      background-image: radial-gradient(
        circle,
        var(--dot-grid-color) 1px,
        transparent 1px
      );
      background-size: var(--dot-grid-size) var(--dot-grid-size);
    }

    /* =========================================================================
       THEME SWITCHER BAR
       ========================================================================= */

    .theme-bar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: var(--z-toast);
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: var(--space-2);
      padding: var(--space-2) var(--space-4);
      background: var(--color-bg-overlay);
      border-bottom: 1px solid var(--color-border);
      backdrop-filter: blur(8px);
      height: 36px;
    }

    .theme-bar__label {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      font-family: var(--font-body);
      letter-spacing: var(--tracking-wide);
      text-transform: uppercase;
    }

    .theme-btn {
      display: inline-flex;
      align-items: center;
      gap: var(--space-1);
      padding: 3px var(--space-3);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-full);
      background: transparent;
      color: var(--color-text-secondary);
      font-family: var(--font-body);
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      cursor: pointer;
      transition: var(--transition-fast);
    }

    .theme-btn:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
    }

    .theme-btn.is-active {
      background: var(--color-primary);
      border-color: var(--color-primary);
      color: var(--color-text-inverse);
    }

    /* =========================================================================
       APP LAYOUT
       ========================================================================= */

    .app-shell {
      display: flex;
      height: 100vh;
      padding-top: 36px; /* theme bar height */
    }

    /* =========================================================================
       SIDEBAR
       ========================================================================= */

    .sidebar {
      width: 260px;
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
      background: var(--color-bg-elevated);
      border-right: 1px solid var(--color-border);
      overflow-y: auto;
      transition: var(--transition-normal);
    }

    [data-theme="industrial"] .sidebar {
      border-right-color: var(--color-border);
    }

    /* ---- Brand ---- */

    .sidebar__brand {
      display: flex;
      align-items: center;
      gap: var(--space-3);
      padding: var(--space-5) var(--space-5) var(--space-4);
      border-bottom: 1px solid var(--color-border);
      flex-shrink: 0;
    }

    .brand-logo {
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--color-primary);
      color: var(--color-text-inverse);
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-primary);
      font-size: 1.375rem;
      letter-spacing: var(--tracking-tight);
      flex-shrink: 0;
    }

    [data-theme="industrial"] .brand-logo {
      clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
      border-radius: 0;
    }

    [data-theme="modern"] .brand-logo {
      border-radius: var(--radius-md);
    }

    .brand-name {
      display: flex;
      flex-direction: column;
      line-height: 1;
    }

    .brand-name__primary {
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-primary);
      font-size: 1.125rem;
      letter-spacing: var(--tracking-wide);
      color: var(--color-text-primary);
      text-transform: uppercase;
    }

    .brand-name__sub {
      font-family: var(--font-body);
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      letter-spacing: var(--tracking-wider);
      text-transform: uppercase;
      margin-top: 2px;
    }

    /* ---- Navigation ---- */

    .sidebar__nav {
      flex: 1;
      padding: var(--space-3) 0;
    }

    .nav-section-label {
      padding: var(--space-3) var(--space-5) var(--space-1);
      font-size: var(--text-caption);
      font-family: var(--font-body);
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-muted);
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase;
    }

    .nav-item {
      display: flex;
      align-items: center;
      gap: var(--space-3);
      padding: var(--space-2) var(--space-5);
      color: var(--color-text-secondary);
      font-family: var(--font-body);
      font-size: var(--text-body-sm);
      font-weight: var(--font-weight-regular);
      text-decoration: none;
      cursor: pointer;
      border: none;
      background: none;
      width: 100%;
      text-align: left;
      transition: var(--transition-fast);
      border-left: 3px solid transparent;
      position: relative;
    }

    .nav-item:hover {
      background: var(--color-primary-muted);
      color: var(--color-text-primary);
      border-left-color: var(--color-primary);
    }

    .nav-item.is-active {
      background: var(--color-primary-muted);
      color: var(--color-primary);
      font-weight: var(--font-weight-semibold);
      border-left-color: var(--color-primary);
    }

    [data-theme="industrial"] .nav-item.is-active {
      background: rgba(245, 166, 35, 0.12);
    }

    .nav-item__icon {
      width: 18px;
      height: 18px;
      opacity: 0.75;
      flex-shrink: 0;
    }

    .nav-item.is-active .nav-item__icon,
    .nav-item:hover .nav-item__icon {
      opacity: 1;
    }

    .nav-item__badge {
      margin-left: auto;
      background: var(--color-primary);
      color: var(--color-text-inverse);
      font-size: 10px;
      font-weight: var(--font-weight-bold);
      padding: 1px 6px;
      border-radius: var(--radius-full);
      line-height: 1.4;
    }

    /* ---- User profile ---- */

    .sidebar__profile {
      padding: var(--space-4) var(--space-5);
      border-top: 1px solid var(--color-border);
      display: flex;
      align-items: center;
      gap: var(--space-3);
      flex-shrink: 0;
    }

    .profile-avatar {
      width: 36px;
      height: 36px;
      background: var(--color-primary);
      color: var(--color-text-inverse);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-primary);
      font-size: 0.9rem;
      flex-shrink: 0;
    }

    [data-theme="industrial"] .profile-avatar {
      clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
    }

    [data-theme="modern"] .profile-avatar {
      border-radius: var(--radius-full);
    }

    .profile-info {
      flex: 1;
      min-width: 0;
    }

    .profile-info__name {
      font-size: var(--text-body-sm);
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-primary);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .profile-info__role {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
    }

    .profile-btn {
      background: none;
      border: none;
      color: var(--color-text-muted);
      cursor: pointer;
      padding: var(--space-1);
      border-radius: var(--radius-sm);
      transition: var(--transition-fast);
      flex-shrink: 0;
    }

    .profile-btn:hover {
      color: var(--color-text-primary);
      background: var(--color-primary-muted);
    }

    /* =========================================================================
       MAIN CONTENT AREA
       ========================================================================= */

    .main-content {
      flex: 1;
      display: flex;
      flex-direction: column;
      overflow: hidden;
      min-width: 0;
    }

    /* ---- Header bar ---- */

    .content-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 var(--space-6);
      height: 56px;
      flex-shrink: 0;
      background: var(--color-bg-elevated);
      border-bottom: 1px solid var(--color-border);
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      font-size: var(--text-body-sm);
      color: var(--color-text-muted);
    }

    .breadcrumb__link {
      color: var(--color-text-muted);
      text-decoration: none;
      transition: var(--transition-fast);
    }

    .breadcrumb__link:hover {
      color: var(--color-primary);
    }

    .breadcrumb__sep {
      color: var(--color-text-disabled);
    }

    .breadcrumb__current {
      color: var(--color-text-primary);
      font-weight: var(--font-weight-semibold);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: var(--space-3);
    }

    .icon-btn {
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: none;
      border: 1px solid var(--color-border);
      color: var(--color-text-secondary);
      cursor: pointer;
      transition: var(--transition-fast);
      border-radius: var(--radius-md);
      position: relative;
    }

    [data-theme="industrial"] .icon-btn {
      border-radius: 0;
    }

    .icon-btn:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
    }

    .icon-btn .notif-dot {
      position: absolute;
      top: 6px;
      right: 6px;
      width: 7px;
      height: 7px;
      background: var(--color-error);
      border-radius: var(--radius-full);
      border: 1px solid var(--color-bg-elevated);
    }

    /* =========================================================================
       SCROLLABLE PAGE BODY
       ========================================================================= */

    .page-body {
      flex: 1;
      overflow-y: auto;
      padding: var(--space-6);
      display: flex;
      flex-direction: column;
      gap: var(--space-5);
    }

    [data-theme="modern"] .page-body {
      background-color: var(--color-bg-base);
      background-image: radial-gradient(
        circle,
        var(--dot-grid-color) 1px,
        transparent 1px
      );
      background-size: var(--dot-grid-size) var(--dot-grid-size);
    }

    /* =========================================================================
       SEARCH SECTION
       ========================================================================= */

    .search-panel {
      background: var(--color-bg-elevated);
      border: 1px solid var(--color-border);
      padding: var(--space-5);
      box-shadow: var(--shadow-sm);
    }

    [data-theme="industrial"] .search-panel {
      clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
      border-radius: 0;
    }

    [data-theme="modern"] .search-panel {
      border-radius: var(--radius-lg);
    }

    .search-panel__title {
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-primary);
      font-size: var(--text-h5);
      color: var(--color-text-primary);
      letter-spacing: var(--tracking-wide);
      text-transform: uppercase;
      margin-bottom: var(--space-4);
      display: flex;
      align-items: center;
      gap: var(--space-2);
    }

    [data-theme="industrial"] .search-panel__title {
      color: var(--color-primary);
    }

    .search-panel__title svg {
      color: var(--color-primary);
    }

    .vehicle-search-row {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr auto;
      gap: var(--space-3);
      align-items: end;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      gap: var(--space-1);
    }

    .form-label {
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      color: var(--color-text-muted);
      letter-spacing: var(--tracking-wider);
      text-transform: uppercase;
    }

    .form-select,
    .form-input {
      width: 100%;
      padding: var(--space-2) var(--space-3);
      background: var(--color-bg-overlay);
      border: 1px solid var(--color-border);
      color: var(--color-text-primary);
      font-family: var(--font-body);
      font-size: var(--text-body-sm);
      outline: none;
      transition: var(--transition-fast);
      appearance: none;
      -webkit-appearance: none;
      height: 40px;
    }

    [data-theme="industrial"] .form-select,
    [data-theme="industrial"] .form-input {
      border-radius: 0;
    }

    [data-theme="modern"] .form-select,
    [data-theme="modern"] .form-input {
      border-radius: var(--radius-md);
    }

    .form-select:focus,
    .form-input:focus {
      border-color: var(--color-border-focus);
      box-shadow: var(--shadow-focus);
    }

    .form-select {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 10px center;
      padding-right: var(--space-8);
      cursor: pointer;
    }

    .form-select option {
      background: var(--color-bg-overlay);
      color: var(--color-text-primary);
    }

    /* Part search row */

    .part-search-row {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: var(--space-3);
      align-items: end;
      margin-top: var(--space-3);
    }

    .form-input-with-icon {
      position: relative;
    }

    .form-input-with-icon svg {
      position: absolute;
      left: 10px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--color-text-muted);
      pointer-events: none;
    }

    .form-input-with-icon .form-input {
      padding-left: var(--space-8);
    }

    /* ---- Buttons ---- */

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: var(--space-2);
      padding: 0 var(--space-5);
      height: 40px;
      font-family: var(--font-body);
      font-size: var(--text-body-sm);
      font-weight: var(--font-weight-semibold);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition-fast);
      white-space: nowrap;
      text-decoration: none;
      letter-spacing: var(--tracking-wide);
    }

    [data-theme="industrial"] .btn {
      border-radius: 0;
      clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
      text-transform: uppercase;
    }

    [data-theme="modern"] .btn {
      border-radius: var(--radius-md);
    }

    .btn-primary {
      background: var(--btn-primary-bg);
      color: var(--btn-primary-text);
      border-color: var(--btn-primary-border);
    }

    .btn-primary:hover {
      background: var(--btn-primary-bg-hover);
    }

    .btn-primary:active {
      background: var(--btn-primary-bg-active);
    }

    .btn-secondary {
      background: var(--btn-secondary-bg);
      color: var(--btn-secondary-text);
      border-color: var(--btn-secondary-border);
    }

    .btn-secondary:hover {
      background: var(--btn-secondary-bg-hover);
    }

    .btn-ghost {
      background: var(--btn-ghost-bg);
      color: var(--btn-ghost-text);
      border-color: var(--btn-ghost-border);
    }

    .btn-ghost:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
    }

    /* =========================================================================
       RESULTS BAR
       ========================================================================= */

    .results-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: var(--space-3);
    }

    .results-count {
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-secondary);
      font-size: var(--text-h5);
      color: var(--color-text-primary);
      letter-spacing: var(--tracking-snug);
    }

    .results-count strong {
      color: var(--color-primary);
      font-weight: var(--heading-weight-primary);
    }

    /* =========================================================================
       FILTER CHIPS
       ========================================================================= */

    .filters-row {
      display: flex;
      align-items: center;
      gap: var(--space-2);
      flex-wrap: wrap;
    }

    .filters-label {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      font-weight: var(--font-weight-semibold);
      letter-spacing: var(--tracking-wider);
      text-transform: uppercase;
      flex-shrink: 0;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: var(--space-1);
      padding: 4px var(--space-3);
      border: 1px solid var(--color-border);
      background: transparent;
      color: var(--color-text-secondary);
      font-family: var(--font-body);
      font-size: var(--text-caption);
      font-weight: var(--font-weight-semibold);
      cursor: pointer;
      transition: var(--transition-fast);
      user-select: none;
    }

    [data-theme="industrial"] .chip {
      border-radius: 0;
      letter-spacing: var(--tracking-wide);
      text-transform: uppercase;
    }

    [data-theme="modern"] .chip {
      border-radius: var(--radius-full);
    }

    .chip:hover {
      border-color: var(--color-primary);
      color: var(--color-primary);
      background: var(--color-primary-muted);
    }

    .chip.is-active {
      background: var(--color-primary);
      border-color: var(--color-primary);
      color: var(--color-text-inverse);
    }

    [data-theme="industrial"] .chip.is-active {
      clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
    }

    /* =========================================================================
       TOOLBAR (sort + view toggle)
       ========================================================================= */

    .catalog-toolbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-3);
    }

    .sort-row {
      display: flex;
      align-items: center;
      gap: var(--space-3);
    }

    .sort-label {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      font-weight: var(--font-weight-semibold);
      text-transform: uppercase;
      letter-spacing: var(--tracking-wider);
    }

    .sort-select {
      padding: 4px var(--space-7) 4px var(--space-3);
      background: var(--color-bg-elevated);
      border: 1px solid var(--color-border);
      color: var(--color-text-secondary);
      font-family: var(--font-body);
      font-size: var(--text-caption);
      outline: none;
      cursor: pointer;
      appearance: none;
      -webkit-appearance: none;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 8px center;
      transition: var(--transition-fast);
      height: 32px;
    }

    [data-theme="industrial"] .sort-select {
      border-radius: 0;
    }

    [data-theme="modern"] .sort-select {
      border-radius: var(--radius-md);
    }

    .sort-select:focus {
      border-color: var(--color-border-focus);
    }

    .view-toggle {
      display: flex;
      border: 1px solid var(--color-border);
      overflow: hidden;
    }

    [data-theme="industrial"] .view-toggle {
      border-radius: 0;
    }

    [data-theme="modern"] .view-toggle {
      border-radius: var(--radius-md);
    }

    .view-btn {
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      border: none;
      color: var(--color-text-muted);
      cursor: pointer;
      transition: var(--transition-fast);
      border-right: 1px solid var(--color-border);
    }

    .view-btn:last-child {
      border-right: none;
    }

    .view-btn:hover {
      color: var(--color-primary);
      background: var(--color-primary-muted);
    }

    .view-btn.is-active {
      background: var(--color-primary);
      color: var(--color-text-inverse);
    }

    /* =========================================================================
       PRODUCT GRID
       ========================================================================= */

    .product-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: var(--space-4);
    }

    .product-grid.view-list {
      grid-template-columns: 1fr;
    }

    /* ---- Product Card ---- */

    .product-card {
      background: var(--color-bg-elevated);
      border: 1px solid var(--color-border);
      display: flex;
      flex-direction: column;
      transition: var(--transition-normal);
      position: relative;
      overflow: hidden;
    }

    [data-theme="industrial"] .product-card {
      border-radius: 0;
      clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
    }

    [data-theme="modern"] .product-card {
      border-radius: var(--radius-lg);
    }

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

    [data-theme="industrial"] .product-card:hover {
      box-shadow: 0 4px 16px rgba(245, 166, 35, 0.15), var(--shadow-md);
    }

    /* List view card overrides */

    .view-list .product-card {
      flex-direction: row;
      align-items: center;
    }

    [data-theme="industrial"] .view-list .product-card {
      clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
    }

    .view-list .product-card__image {
      width: 100px;
      min-width: 100px;
      height: 80px;
    }

    .view-list .product-card__body {
      flex: 1;
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: var(--space-4);
    }

    .view-list .product-card__pricing {
      text-align: right;
      flex-shrink: 0;
    }

    .view-list .product-card__compatibility {
      grid-column: 1 / -1;
    }

    /* Card image placeholder */

    .product-card__image {
      height: 140px;
      background: var(--color-bg-overlay);
      display: flex;
      align-items: center;
      justify-content: center;
      border-bottom: 1px solid var(--color-border);
      flex-shrink: 0;
      position: relative;
      overflow: hidden;
    }

    [data-theme="industrial"] .product-card__image {
      background: var(--color-surface-2);
    }

    .product-card__image svg {
      color: var(--color-text-disabled);
      opacity: 0.5;
    }

    .product-card__image-label {
      position: absolute;
      bottom: var(--space-2);
      left: var(--space-2);
      font-size: 10px;
      font-family: var(--font-mono);
      color: var(--color-text-muted);
      letter-spacing: var(--tracking-wider);
      text-transform: uppercase;
      background: var(--color-bg-elevated);
      padding: 1px var(--space-2);
    }

    [data-theme="industrial"] .product-card__image-label {
      border-radius: 0;
      border-left: 2px solid var(--color-primary);
    }

    [data-theme="modern"] .product-card__image-label {
      border-radius: var(--radius-sm);
    }

    /* Card stock badge (on image) */

    .stock-badge {
      position: absolute;
      top: var(--space-2);
      right: var(--space-2);
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 3px var(--space-2);
      font-size: 10px;
      font-weight: var(--font-weight-bold);
      letter-spacing: var(--tracking-wider);
      text-transform: uppercase;
    }

    [data-theme="industrial"] .stock-badge {
      border-radius: 0;
    }

    [data-theme="modern"] .stock-badge {
      border-radius: var(--radius-full);
    }

    .stock-badge::before {
      content: '';
      width: 6px;
      height: 6px;
      border-radius: var(--radius-full);
      flex-shrink: 0;
    }

    .stock-badge.stock-ok {
      background: rgba(34, 197, 94, 0.15);
      color: var(--color-success);
      border: 1px solid rgba(34, 197, 94, 0.3);
    }

    .stock-badge.stock-ok::before { background: var(--color-success); }

    .stock-badge.stock-low {
      background: rgba(234, 179, 8, 0.15);
      color: var(--color-warning);
      border: 1px solid rgba(234, 179, 8, 0.3);
    }

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

    .stock-badge.stock-out {
      background: rgba(239, 68, 68, 0.15);
      color: var(--color-error);
      border: 1px solid rgba(239, 68, 68, 0.3);
    }

    .stock-badge.stock-out::before { background: var(--color-error); }

    /* Card body */

    .product-card__body {
      padding: var(--space-4);
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: var(--space-2);
    }

    .product-card__category {
      font-size: 10px;
      font-weight: var(--font-weight-bold);
      letter-spacing: var(--tracking-widest);
      text-transform: uppercase;
      color: var(--color-primary);
    }

    .product-card__name {
      font-family: var(--font-heading);
      font-weight: var(--heading-weight-secondary);
      font-size: 0.9375rem;
      color: var(--color-text-primary);
      line-height: 1.3;
      letter-spacing: var(--tracking-snug);
    }

    [data-theme="industrial"] .product-card__name {
      text-transform: uppercase;
    }

    .product-card__oem {
      font-family: var(--font-mono);
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      letter-spacing: var(--tracking-wide);
    }

    .product-card__brand {
      font-size: var(--text-caption);
      color: var(--color-text-secondary);
      display: flex;
      align-items: center;
      gap: var(--space-1);
    }

    .product-card__brand-dot {
      width: 3px;
      height: 3px;
      border-radius: var(--radius-full);
      background: var(--color-text-disabled);
      flex-shrink: 0;
    }

    .product-card__compatibility {
      display: flex;
      align-items: center;
      gap: var(--space-1);
      padding: var(--space-1) var(--space-2);
      background: var(--color-primary-muted);
      border-left: 2px solid var(--color-primary);
      font-size: 10px;
      font-family: var(--font-body);
      color: var(--color-text-accent);
    }

    [data-theme="modern"] .product-card__compatibility {
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }

    /* Card footer */

    .product-card__footer {
      padding: var(--space-3) var(--space-4);
      border-top: 1px solid var(--color-border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-3);
      flex-shrink: 0;
    }

    .product-card__pricing {}

    .product-card__price {
      font-family: var(--font-mono);
      font-weight: var(--font-weight-bold);
      font-size: 1.1875rem;
      color: var(--color-text-primary);
      line-height: 1;
    }

    [data-theme="industrial"] .product-card__price {
      color: var(--color-primary);
    }

    .product-card__price-unit {
      font-size: var(--text-caption);
      color: var(--color-text-muted);
      margin-top: 2px;
    }

    /* Add button */

    .btn-add {
      display: inline-flex;
      align-items: center;
      gap: var(--space-1);
      padding: var(--space-1) var(--space-3);
      background: var(--btn-primary-bg);
      color: var(--btn-primary-text);
      font-family: var(--font-body);
      font-size: var(--text-caption);
      font-weight: var(--font-weight-bold);
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition-fast);
      letter-spacing: var(--tracking-wide);
      white-space: nowrap;
      height: 32px;
    }

    [data-theme="industrial"] .btn-add {
      border-radius: 0;
      clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
      text-transform: uppercase;
    }

    [data-theme="modern"] .btn-add {
      border-radius: var(--radius-md);
    }

    .btn-add:hover {
      background: var(--btn-primary-bg-hover);
    }

    .btn-add:active {
      background: var(--btn-primary-bg-active);
    }

    /* =========================================================================
       PAGINATION
       ========================================================================= */

    .pagination {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: var(--space-1);
      padding: var(--space-4) 0;
    }

    .page-item {
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--color-bg-elevated);
      border: 1px solid var(--color-border);
      color: var(--color-text-secondary);
      font-family: var(--font-body);
      font-size: var(--text-body-sm);
      font-weight: var(--font-weight-semibold);
      cursor: pointer;
      transition: var(--transition-fast);
      user-select: none;
    }

    [data-theme="industrial"] .page-item {
      border-radius: 0;
      font-family: var(--font-mono);
    }

    [data-theme="modern"] .page-item {
      border-radius: var(--radius-md);
    }

    .page-item:hover:not(.is-active):not(.is-disabled) {
      border-color: var(--color-primary);
      color: var(--color-primary);
      background: var(--color-primary-muted);
    }

    .page-item.is-active {
      background: var(--color-primary);
      border-color: var(--color-primary);
      color: var(--color-text-inverse);
    }

    [data-theme="industrial"] .page-item.is-active {
      clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
    }

    .page-item.is-disabled {
      opacity: 0.4;
      cursor: not-allowed;
    }

    .page-item--wide {
      width: auto;
      padding: 0 var(--space-3);
      gap: var(--space-1);
    }

    .page-ellipsis {
      width: 36px;
      height: 36px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-text-muted);
      font-size: var(--text-body-sm);
      user-select: none;
    }

    /* =========================================================================
       SCROLLBAR
       ========================================================================= */

    .page-body::-webkit-scrollbar,
    .sidebar::-webkit-scrollbar {
      width: 6px;
    }

    .page-body::-webkit-scrollbar-track,
    .sidebar::-webkit-scrollbar-track {
      background: var(--scrollbar-track);
    }

    .page-body::-webkit-scrollbar-thumb,
    .sidebar::-webkit-scrollbar-thumb {
      background-color: var(--scrollbar-thumb);
      border-radius: var(--radius-full);
    }

    .page-body::-webkit-scrollbar-thumb:hover,
    .sidebar::-webkit-scrollbar-thumb:hover {
      background-color: var(--scrollbar-thumb-hover);
    }

    /* =========================================================================
       INDUSTRIAL THEME — DECORATIVE ACCENTS
       ========================================================================= */

    [data-theme="industrial"] .sidebar__brand::after {
      display: none; /* removed, using clip already */
    }

    [data-theme="industrial"] .content-header {
      border-bottom-color: var(--color-border);
      position: relative;
    }

    [data-theme="industrial"] .content-header::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 80px;
      height: 2px;
      background: var(--color-primary);
    }

    /* =========================================================================
       SIDEBAR TOGGLE (mobile)
       ========================================================================= */

    .sidebar-toggle {
      display: none;
      width: 36px;
      height: 36px;
      align-items: center;
      justify-content: center;
      background: none;
      border: 1px solid var(--color-border);
      color: var(--color-text-secondary);
      cursor: pointer;
      transition: var(--transition-fast);
      border-radius: var(--radius-md);
    }

    [data-theme="industrial"] .sidebar-toggle {
      border-radius: 0;
    }

    /* =========================================================================
       RESPONSIVE
       ========================================================================= */

    @media (max-width: 1024px) {
      .product-grid:not(.view-list) {
        grid-template-columns: repeat(2, 1fr);
      }

      .vehicle-search-row {
        grid-template-columns: 1fr 1fr;
      }

      .vehicle-search-row .form-group:last-child {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 768px) {
      .sidebar {
        position: fixed;
        top: 36px;
        left: 0;
        bottom: 0;
        z-index: var(--z-dropdown);
        transform: translateX(-100%);
        transition: transform var(--duration-normal) var(--ease-in-out);
      }

      .sidebar.is-open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
      }

      .sidebar-toggle {
        display: flex;
      }

      .product-grid:not(.view-list) {
        grid-template-columns: repeat(2, 1fr);
      }

      .vehicle-search-row {
        grid-template-columns: 1fr;
      }

      .vehicle-search-row .form-group:last-child {
        grid-column: auto;
      }

      .part-search-row {
        grid-template-columns: 1fr;
      }

      .catalog-toolbar {
        flex-direction: column;
        align-items: flex-start;
      }

      .results-bar {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 480px) {
      .product-grid:not(.view-list) {
        grid-template-columns: 1fr;
      }

      .page-body {
        padding: var(--space-4);
      }
    }

    /* =========================================================================
       OVERLAY (mobile sidebar backdrop)
       ========================================================================= */

    .sidebar-overlay {
      display: none;
      position: fixed;
      inset: 0;
      top: 36px;
      background: var(--overlay-backdrop);
      z-index: calc(var(--z-dropdown) - 1);
      backdrop-filter: blur(2px);
    }

    .sidebar-overlay.is-open {
      display: block;
    }