.product-card {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform var(--transition-base), box-shadow var(--transition-base);
      border: 1px solid var(--color-border);
    }
    .product-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
    }
    .product-image-wrapper {
      display: flex;
      justify-content: center;
      align-items: center;
      width: 100%;
      aspect-ratio: 4 / 3;
      overflow: hidden;
      background-color: #f5f5f5;
    }
    .product-image {
      width: 100%;
      height: 100%;
      object-fit: contain;
      transition: transform var(--transition-slow);
      padding: var(--spacing-sm);
    }
    .product-card:hover .product-image {
      transform: scale(1.05);
    }
    .product-info {
      padding: var(--spacing-md);
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .product-category {
      font-size: var(--font-size-xs);
      color: var(--color-text-secondary);
      text-transform: uppercase;
      font-weight: 600;
      margin-bottom: var(--spacing-xs);
    }
    .product-name {
      font-size: var(--font-size-lg);
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: var(--spacing-sm);
      color: var(--color-primary-dark);
    }
    .product-description {
        font-size: var(--font-size-sm);
        color: var(--color-text-secondary);
        flex-grow: 1;
        margin-bottom: var(--spacing-md);
        line-height: 1.5;
    }
    .tech-specs {
        margin-top: auto;
        padding-top: var(--spacing-md);
        border-top: 1px solid var(--color-border);
    }
    .tech-specs-toggle {
        background: none;
        border: none;
        cursor: pointer;
        width: 100%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-xs) 0;
        font-weight: 600;
        color: var(--color-primary-dark);
    }
    .tech-specs-toggle i {
        transition: transform var(--transition-base);
    }
    .tech-specs-toggle.active i {
        transform: rotate(180deg);
    }
    .tech-specs-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-out;
    }
    .product-card.show-specs .tech-specs-content {
      max-height: 500px; /* Adjust as needed for content */
    }
    .tech-specs-content p {
        padding: var(--spacing-sm) 0;
        font-size: var(--font-size-sm);
        font-weight: 500;
        color: var(--color-primary-dark);
        line-height: 1.8;
        margin-bottom: 0.5rem;
    }
    .product-actions {
      display: flex;
      flex-direction: column;
      gap: var(--spacing-sm);
      padding: var(--spacing-md);
      border-top: 1px solid var(--color-border);
    }
    .product-actions .btn {
      width: 100%;
      font-size: var(--font-size-sm);
      justify-content: center;
    }
    .product-actions .btn i {
        margin-right: var(--spacing-sm);
    }
    .no-products {
      grid-column: 1 / -1;
      padding: 4rem 1rem;
      text-align: center;
    }
    .modal-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(15, 30, 45, 0.7);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 1050;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-slow), visibility var(--transition-slow);
    }
    .modal-overlay.visible {
        opacity: 1;
        visibility: visible;
    }
    .modal-content {
        background: var(--color-white);
        padding: var(--spacing-xl);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-xl);
        max-width: 450px;
        width: 90%;
        text-align: center;
        transform: scale(0.95);
        transition: transform var(--transition-slow);
        position: relative;
    }
    .modal-overlay.visible .modal-content {
        transform: scale(1);
    }
    .modal-content h3 {
        color: var(--color-primary-dark);
        margin-bottom: var(--spacing-sm);
    }
    .modal-content p {
        color: var(--color-text-secondary);
        margin-bottom: var(--spacing-lg);
    }
    .modal-content .modal-actions {
        display: flex;
        gap: var(--spacing-md);
        border: none;
        padding: 0;
        margin-top: var(--spacing-lg);
        flex-direction: column;
    }
    #login-prompt-overlay .modal-actions {
        flex-direction: row;
        justify-content: center;
        margin-top: var(--spacing-lg);
    }
    .modal-content .btn {
        justify-content: center;
    }
    .modal-close {
      position: absolute;
      top: 10px;
      right: 15px;
      background: none;
      border: none;
      font-size: 1.5rem;
      color: var(--color-text-secondary);
      cursor: pointer;
    }