:root {
      --primary:   #0a4f8f;
      --primary-d: #063663;
      --primary-l: #1671c4;
      --accent:    #8a9bb0;
      --dark:      #0d1b2a;
      --surface:   #f4f7fb;
      --border:    #d0dce8;
      --text:      #1a2738;
      --muted:     #6b7f94;
    }

    * { box-sizing: border-box; }

    body {
      font-family: 'Barlow', sans-serif;
      background: var(--surface);
      color: var(--text);
      min-height: 100vh;
    }

    /* ── TOPBAR ── */
    .topbar {
      background: var(--dark);
      color: #aec2d6;
      font-size: .8rem;
      padding: 6px 0;
      letter-spacing: .03em;
    }
    .topbar a { color: #aec2d6; text-decoration: none; }
    .topbar a:hover { color: #fff; }

    /* ── NAVBAR ── */
    .navbar-main {
      background: var(--primary-d);
      padding: 14px 0;
      position: sticky;
      top: 0;
      z-index: 1040;
      box-shadow: 0 3px 14px rgba(0,0,0,.35);
    }
    .brand-logo {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: 1.7rem;
      color: #fff;
      letter-spacing: -.5px;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .brand-logo .logo-icon {
      background: var(--accent);
      color: #fff;
      border-radius: 6px;
      width: 36px; height: 36px;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.1rem;
    }
    .brand-logo span.sub { color: var(--accent); }

    .search-bar-wrap { flex: 1; max-width: 540px; }
    .search-part {
      border: 2px solid transparent;
      border-radius: 8px;
      overflow: hidden;
      display: flex;
      background: #fff;
      transition: border-color .2s;
    }
    .search-part:focus-within { border-color: var(--accent); }
    .search-part input {
      border: none; outline: none;
      padding: 9px 14px;
      font-family: 'Barlow', sans-serif;
      font-size: .92rem;
      flex: 1;
      color: var(--text);
    }
    .search-part .search-label {
      background: var(--surface);
      border-right: 1px solid var(--border);
      padding: 9px 12px;
      font-size: .78rem;
      color: var(--muted);
      white-space: nowrap;
      display: flex;
      align-items: center;
    }
    .search-part button {
      background: var(--primary);
      color: #fff;
      border: none;
      padding: 9px 18px;
      font-size: 1rem;
      cursor: pointer;
      transition: background .2s;
    }
    .search-part button:hover { background: var(--primary-l); }

    .cart-btn {
      background: var(--accent);
      color: #fff;
      border: none;
      border-radius: 8px;
      padding: 9px 16px;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: background .2s, transform .1s;
      position: relative;
    }
    .cart-btn:hover { background: #6e7f93; transform: translateY(-1px); }
    .cart-badge {
      position: absolute;
      top: -8px; right: -8px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      width: 20px; height: 20px;
      font-size: .72rem;
      display: flex; align-items: center; justify-content: center;
      font-weight: 700;
    }

    /* ── CATEGORIAS en sidebar (dos niveles) ── */
    .cat-item {
      display: flex; align-items: center; gap: 8px;
      padding: 7px 10px; margin: 1px 0;
      border-radius: 7px; cursor: pointer;
      font-size: .88rem; color: var(--text);
      transition: background .15s, color .15s;
      user-select: none;
    }
    .cat-item:hover { background: var(--surface); color: var(--primary); }
    .cat-item.active { background: var(--primary); color: #fff; font-weight: 600; }
    .cat-item.active i { color: #fff; }
    .cat-item i { color: var(--muted); font-size: .9rem; width: 16px; text-align: center; flex-shrink: 0; }
    .cat-item span { flex: 1; }

    /* Categoría padre */
    .cat-parent { font-weight: 600; }
    .cat-chevron { font-size: .7rem; color: var(--muted); transition: transform .2s; }
    .cat-parent.active .cat-chevron { color: #fff; }

    /* Subcategorías */
    .cat-children {
      border-left: 2px solid var(--border);
      margin-left: 18px;
      padding-left: 4px;
    }
    .cat-child { font-size: .84rem; padding: 5px 8px; }
    .cat-child i { font-size: .5rem; color: var(--border); }
    .cat-child:hover i { color: var(--primary); }
    .cat-child.active i { color: #fff; }

    /* ── HERO STRIP ── */
    .hero-strip {
      background: linear-gradient(135deg, var(--dark) 0%, var(--primary-d) 60%, var(--primary) 100%);
      color: #fff;
      padding: 40px 0 38px;
      position: relative;
      overflow: hidden;
    }
    .hero-strip::before {
      content: '';
      position: absolute;
      right: -60px; top: -60px;
      width: 380px; height: 380px;
      border-radius: 50%;
      background: rgba(245,166,35,.07);
    }
    .hero-strip::after {
      content: '';
      position: absolute;
      right: 80px; bottom: -80px;
      width: 220px; height: 220px;
      border-radius: 50%;
      background: rgba(22,113,196,.15);
    }
    .hero-strip h1 {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: 2.4rem;
      line-height: 1.1;
    }
    .hero-strip h1 span { color: var(--accent); }
    .hero-strip p { color: #aec2d6; font-size: 1rem; margin: 0; }
    .stat-chip {
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.15);
      border-radius: 8px;
      padding: 10px 20px;
      text-align: center;
    }
    .stat-chip .num {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800;
      font-size: 1.6rem;
      color: var(--accent);
    }
    .stat-chip .lbl { font-size: .78rem; color: #aec2d6; letter-spacing: .04em; text-transform: uppercase; }

    /* ── LAYOUT ── */
    .main-wrap { padding: 28px 0 60px; }

    /* ── SIDEBAR ── */
    .sidebar-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      margin-bottom: 18px;
    }
    .sidebar-header {
      background: var(--primary-d);
      color: #fff;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700;
      font-size: 1rem;
      padding: 11px 16px;
      letter-spacing: .05em;
      text-transform: uppercase;
      display: flex; align-items: center; gap: 8px;
    }
    .sidebar-body { padding: 14px 16px; }
    .filter-check {
      display: flex; align-items: center; justify-content: space-between;
      padding: 5px 0;
      cursor: pointer;
    }
    .filter-check label {
      cursor: pointer;
      font-size: .9rem;
      display: flex; align-items: center; gap: 8px;
    }
    .filter-check input[type=checkbox] { accent-color: var(--primary); width: 15px; height: 15px; }
    .filter-count {
      background: var(--surface);
      color: var(--muted);
      border-radius: 20px;
      font-size: .74rem;
      padding: 2px 8px;
      font-weight: 600;
    }
    .price-range { display: flex; align-items: center; gap: 8px; }
    .price-range input {
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 6px 10px;
      width: 90px;
      font-size: .85rem;
      outline: none;
    }
    .price-range input:focus { border-color: var(--primary); }

    /* ── TOOLBAR ── */
    .products-toolbar {
      display: flex; align-items: center; justify-content: space-between;
      margin-bottom: 18px;
      flex-wrap: wrap; gap: 10px;
    }
    .result-count { font-size: .9rem; color: var(--muted); }
    .result-count strong { color: var(--text); }
    .sort-select {
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 7px 14px;
      font-size: .88rem;
      font-family: 'Barlow', sans-serif;
      outline: none;
      cursor: pointer;
    }
    .sort-select:focus { border-color: var(--primary); }
    .view-toggle button {
      border: 1px solid var(--border);
      background: #fff;
      padding: 6px 12px;
      cursor: pointer;
      color: var(--muted);
      transition: all .15s;
    }
    .view-toggle button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
    .view-toggle button:first-child { border-radius: 8px 0 0 8px; }
    .view-toggle button:last-child  { border-radius: 0 8px 8px 0; }

    /* ── PRODUCT CARD ── */
    .product-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
      transition: box-shadow .2s, transform .2s;
      cursor: pointer;
      height: 100%;
      display: flex; flex-direction: column;
    }
    .product-card:hover {
      box-shadow: 0 8px 28px rgba(10,79,143,.15);
      transform: translateY(-3px);
    }
    .card-img-wrap {
      position: relative;
      background: #f0f4f8;
      height: 180px;
      display: flex; align-items: center; justify-content: center;
      overflow: hidden;
    }
    .card-img-wrap img {
      max-height: 140px;
      max-width: 90%;
      object-fit: contain;
      transition: transform .3s;
    }
    .product-card:hover .card-img-wrap img { transform: scale(1.06); }
    .badge-new {
      position: absolute; top: 10px; left: 10px;
      background: var(--accent); color: #fff;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700; font-size: .78rem;
      padding: 3px 10px; border-radius: 4px;
      letter-spacing: .05em; text-transform: uppercase;
    }
    .badge-stock-low {
      position: absolute; top: 10px; right: 10px;
      background: #e53e3e; color: #fff;
      font-size: .72rem; font-weight: 700;
      padding: 3px 9px; border-radius: 4px;
      letter-spacing: .04em; text-transform: uppercase;
    }
    .card-body-inner {
      padding: 14px 16px;
      flex: 1; display: flex; flex-direction: column; gap: 6px;
    }
    .part-number {
      font-family: 'Barlow Condensed', sans-serif;
      font-size: .8rem; color: var(--muted);
      letter-spacing: .08em; text-transform: uppercase;
    }
    .part-number span { color: var(--primary); font-weight: 600; }
    .card-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700; font-size: 1.05rem;
      line-height: 1.25; color: var(--text);
      margin: 0;
    }
    .card-compat {
      font-size: .8rem; color: var(--muted);
      display: flex; align-items: center; gap: 5px;
    }
    .compat-chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 2px; }
    .compat-chip {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 4px;
      font-size: .7rem; color: var(--muted);
      padding: 1px 7px; font-weight: 600;
    }
    .card-price-row {
      display: flex; align-items: baseline; gap: 8px;
      margin-top: auto; padding-top: 8px;
      border-top: 1px solid var(--border);
    }
    .price-main {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800; font-size: 1.35rem; color: var(--primary);
    }
    .price-old {
      font-size: .85rem; color: var(--muted);
      text-decoration: line-through;
    }
    .price-iva { font-size: .75rem; color: var(--muted); margin-left: auto; }
    .card-actions { padding: 0 16px 14px; display: flex; gap: 8px; }
    .btn-add-cart {
      flex: 1;
      background: var(--primary);
      color: #fff;
      border: none; border-radius: 8px;
      padding: 9px 12px;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700; font-size: .95rem;
      cursor: pointer;
      transition: background .2s;
      display: flex; align-items: center; justify-content: center; gap: 6px;
    }
    .btn-add-cart:hover { background: var(--primary-l); }
    .btn-detail {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 9px 12px;
      font-size: .95rem; color: var(--muted);
      cursor: pointer;
      transition: all .2s;
    }
    .btn-detail:hover { background: var(--border); color: var(--text); }

    /* ── MODAL DETALLE ── */
    .modal-product .modal-dialog { max-width: 800px; }
    .modal-product .modal-content { border-radius: 14px; border: none; overflow: hidden; }
    .modal-product .modal-header {
      background: var(--primary-d);
      color: #fff;
      padding: 18px 24px;
      border: none;
    }
    .modal-product .modal-header .modal-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800; font-size: 1.4rem;
    }
    .modal-product .modal-header .btn-close { filter: invert(1); }
    .detail-img-panel {
      background: #f0f4f8;
      border-radius: 10px;
      height: 280px;
      display: flex; align-items: center; justify-content: center;
      overflow: hidden;
    }
    .detail-img-panel img { max-height: 240px; max-width: 90%; object-fit: contain; }
    .detail-part { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: .85rem; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; }
    .detail-price { font-family: 'Barlow Condensed', sans-serif; font-weight: 800; font-size: 2rem; color: var(--primary); }
    .spec-table { font-size: .88rem; }
    .spec-table td:first-child { color: var(--muted); font-weight: 600; padding-right: 14px; white-space: nowrap; }
    .qty-ctrl { display: flex; align-items: center; gap: 0; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; width: fit-content; }
    .qty-ctrl button {
      background: var(--surface); border: none;
      width: 36px; height: 36px; font-size: 1.1rem; cursor: pointer;
      color: var(--primary); font-weight: 700;
      transition: background .15s;
    }
    .qty-ctrl button:hover { background: var(--border); }
    .qty-ctrl input {
      width: 48px; text-align: center; border: none; border-left: 1px solid var(--border);
      border-right: 1px solid var(--border); outline: none;
      font-weight: 600; font-size: .95rem; color: var(--text);
    }

    /* ── CARRITO OFFCANVAS ── */
    .offcanvas-cart .offcanvas-header {
      background: var(--primary-d); color: #fff;
      padding: 16px 20px;
    }
    .offcanvas-cart .offcanvas-header .btn-close { filter: invert(1); }
    .offcanvas-cart .offcanvas-title {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800; font-size: 1.3rem;
    }
    .cart-item {
      display: flex; gap: 12px; align-items: flex-start;
      padding: 14px 0;
      border-bottom: 1px solid var(--border);
    }
    .cart-item-img {
      width: 64px; height: 64px;
      background: #f0f4f8; border-radius: 8px;
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0; overflow: hidden;
    }
    .cart-item-img img { max-width: 56px; max-height: 56px; object-fit: contain; }
    .cart-item-info { flex: 1; }
    .cart-item-info .name { font-weight: 600; font-size: .9rem; line-height: 1.3; }
    .cart-item-info .part { font-size: .78rem; color: var(--muted); }
    .cart-item-price { font-family: 'Barlow Condensed', sans-serif; font-weight: 800; font-size: 1.1rem; color: var(--primary); white-space: nowrap; }
    .btn-remove-item { background: none; border: none; color: #e53e3e; cursor: pointer; padding: 0; font-size: 1rem; }
    .cart-footer {
      border-top: 2px solid var(--border);
      padding: 16px 0 0;
      margin-top: 8px;
    }
    .cart-total { font-family: 'Barlow Condensed', sans-serif; font-weight: 800; font-size: 1.6rem; color: var(--primary); }
    .btn-cotizar {
      background: var(--accent); color: #fff;
      border: none; border-radius: 10px;
      width: 100%; padding: 13px;
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 800; font-size: 1.1rem;
      cursor: pointer; transition: background .2s;
      display: flex; align-items: center; justify-content: center; gap: 8px;
    }
    .btn-cotizar:hover { background: #6e7f93; }

    /* ── TOAST ── */
    .toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; }
    .my-toast {
      background: var(--primary-d); color: #fff;
      border-radius: 10px; padding: 12px 18px;
      display: flex; align-items: center; gap: 10px;
      box-shadow: 0 6px 20px rgba(0,0,0,.25);
      font-size: .92rem; font-weight: 500;
      animation: slideUp .3s ease;
    }
    @keyframes slideUp { from { opacity:0; transform:translateY(16px); } to { opacity:1; transform:translateY(0); } }

    /* ── FOOTER ── */
    footer {
      background: var(--dark); color: #aec2d6;
      padding: 36px 0 20px;
      font-size: .87rem;
    }
    footer h6 {
      font-family: 'Barlow Condensed', sans-serif;
      font-weight: 700; font-size: 1rem;
      color: #fff; text-transform: uppercase;
      letter-spacing: .06em; margin-bottom: 14px;
    }
    footer a { color: #aec2d6; text-decoration: none; display: block; margin-bottom: 6px; }
    footer a:hover { color: var(--accent); }
    footer .copy { border-top: 1px solid rgba(255,255,255,.1); padding-top: 16px; margin-top: 24px; text-align: center; font-size: .8rem; color: #6b7f94; }

    /* ── RESPONSIVE ── */

    /* ── PAGINACIÓN ── */
    .pagination-wrap {
      display: flex; align-items: center; justify-content: space-between;
      margin-top: 28px; flex-wrap: wrap; gap: 12px;
    }
    .pagination-info { font-size: .88rem; color: var(--muted); }
    .pagination-info strong { color: var(--text); }
    .pagination-btns { display: flex; gap: 4px; align-items: center; }
    .page-btn {
      border: 1px solid var(--border); background: #fff;
      border-radius: 7px; width: 36px; height: 36px;
      display: flex; align-items: center; justify-content: center;
      cursor: pointer; font-size: .88rem; color: var(--text);
      transition: all .15s; font-weight: 500;
    }
    .page-btn:hover { background: var(--surface); border-color: var(--primary); color: var(--primary); }
    .page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 700; }
    .page-btn:disabled, .page-btn[disabled] { opacity: .35; cursor: not-allowed; }
    .page-btn.nav { width: auto; padding: 0 12px; gap: 5px; font-size: .82rem; }

    /* ── AUTH / ORDERS ── */
    .user-chip {
      display: flex; align-items: center; gap: 8px;
      background: rgba(255,255,255,.12); border-radius: 8px;
      padding: 6px 12px; color: #fff; font-size: .85rem;
      cursor: pointer; transition: background .2s;
    }
    .user-chip:hover { background: rgba(255,255,255,.2); }
    .user-chip .avatar {
      background: var(--accent); color: #fff;
      border-radius: 50%; width: 26px; height: 26px;
      display: flex; align-items: center; justify-content: center;
      font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: .85rem;
    }
    .btn-login-nav {
      background: rgba(255,255,255,.15); color: #fff; border: 1px solid rgba(255,255,255,.3);
      border-radius: 8px; padding: 7px 14px; font-size: .85rem;
      cursor: pointer; transition: background .2s;
    }
    .btn-login-nav:hover { background: rgba(255,255,255,.25); }
    .order-status-bar {
      background: var(--surface); border: 1px solid var(--border);
      border-radius: 8px; padding: 8px 12px; font-size: .82rem;
      display: flex; align-items: center; gap: 8px;
    }
    .order-status-bar.processed { background: #e8f5e9; border-color: #a5d6a7; color: #2e7d32; }
    .order-status-bar.active    { background: #e3f2fd; border-color: #90caf9; color: #1565c0; }
    .order-history-item {
      border: 1px solid var(--border); border-radius: 10px;
      margin: 12px 16px; padding: 14px 16px;
    }
    .order-history-item.processed { border-left: 4px solid var(--success); }
    .order-history-item.active    { border-left: 4px solid var(--primary); }
    @media (max-width: 768px) {
      .hero-strip h1 { font-size: 1.6rem; }
      .stat-chips { display: none; }
    }
    .empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
    .empty-state i { font-size: 3rem; opacity: .3; }

/* ── PLACEHOLDERS ── */
::placeholder { color: #b0bec5 !important; opacity: 1; }
::-webkit-input-placeholder { color: #b0bec5 !important; }
::-moz-placeholder          { color: #b0bec5 !important; opacity: 1; }
:-ms-input-placeholder      { color: #b0bec5 !important; }