/* ===================================
   HPro - Component Styles
   Product Cards, Modals, and UI Components
   UPDATED: Fixed bullet character encoding
   =================================== */

/* ===================================
   Products Grid
   =================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* List View */
.products-grid.list-view {
    grid-template-columns: 1fr;
}

/* ===================================
   Product Card
   =================================== */

.product-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    box-shadow: 0 8px 24px rgba(0, 168, 232, 0.3);
    transform: translateY(-4px);
    border-color: var(--primary-blue);
}

/* Orange glow for Heat Pump cards */
.product-card.card-heat-pump:hover {
    box-shadow: 0 8px 24px rgba(255, 69, 0, 0.4);
    border-color: #ff4500;
}

/* Orange glow for Gas cards */
.product-card.card-gas:hover {
    box-shadow: 0 8px 24px rgba(255, 69, 0, 0.4);
    border-color: #ff4500;
}

/* Blue glow for Cooling Only cards (default behavior, explicit for clarity) */
.product-card.card-cooling:hover {
    box-shadow: 0 8px 24px rgba(0, 168, 232, 0.3);
    border-color: var(--primary-blue);
}

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

/* Product Header */
.product-header {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.product-header-content {
    flex: 1;
}

.btn-add-to-cart-icon {
    padding: var(--spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-add-to-cart-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.btn-add-to-cart-icon svg {
    width: 18px;
    height: 18px;
    stroke: var(--white);
}

/* "In Cart" state for button */
.btn-add-to-cart-icon.in-cart {
    background: var(--accent-green);
    cursor: default;
}

.btn-add-to-cart-icon.in-cart:hover {
    background: var(--accent-green);
    transform: none;
}

.btn-add-to-cart-icon.in-cart svg {
    stroke: var(--black);
}

/* "In Cart" badge */
.in-cart-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.625rem;
    background: var(--accent-green);
    color: var(--black);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-xs);
    animation: slideIn 0.3s ease;
}

.in-cart-badge svg {
    flex-shrink: 0;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.product-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-blue);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

/* Heat Pump badge - orangish-red */
.product-badge.badge-heat-pump {
    background: #ff4500;
    color: var(--white);
}

/* Gas Pack badge - same orangish-red as Heat Pump */
.product-badge.badge-gas-pack {
    background: #ff4500;
    color: var(--white);
}

/* Cooling Only badge - blue (default) */
.product-badge.badge-cooling {
    background: var(--primary-blue);
    color: var(--white);
}

/* UPDATED: Product Description (was product-title) */
.product-description {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

/* Product Body */
.product-body {
    padding: var(--spacing-lg);
    flex: 1;
}

.product-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.spec-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.spec-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.spec-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Product Models */
.product-models {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.model-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.model-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.model-value {
    font-family: var(--font-body);
    color: var(--text-primary);
    font-weight: 600;
}

/* Product Footer */
.product-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn-add-to-cart {
    flex: 1;
    min-width: 100%;
    padding: var(--spacing-sm);
    background: var(--primary-blue);
    border: 1px solid var(--primary-blue);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--black);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.btn-add-to-cart:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 168, 232, 0.4);
}

.btn-add-to-cart svg {
    width: 16px;
    height: 16px;
}

.btn-document {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
}

.btn-document:hover {
    background: var(--primary-blue);
    color: var(--black);
    border-color: var(--primary-blue);
}

.btn-document svg {
    width: 14px;
    height: 14px;
}

/* ===================================
   Modal
   =================================== */

.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
    border: 1px solid var(--border-color);
    animation: slideUp 0.4s ease;
}

/* Custom scrollbar styling for modal - matches filter sidebar */
.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--neutral-400);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-500);
}

/* Firefox scrollbar styling */
.modal-content {
    scrollbar-width: thin;
    scrollbar-color: var(--neutral-400) var(--bg-tertiary);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.modal-close:hover {
    background: var(--neutral-200);
    transform: rotate(90deg);
    border-color: var(--primary-blue);
}

.modal-close svg {
    color: var(--text-secondary);
}

/* Modal Body */
.modal-body {
    padding: var(--spacing-2xl);
}

.modal-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.modal-badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--primary-blue);
    color: var(--black);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

/* Modal badge color variants */
.modal-badge.badge-heat-pump {
    background: #ff4500;
    color: var(--white);
}

.modal-badge.badge-gas-pack {
    background: #ff4500;
    color: var(--white);
}

.modal-badge.badge-cooling {
    background: var(--primary-blue);
    color: var(--black);
}

.modal-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.modal-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    font-weight: 600;
    line-height: 1.4;
}

/* Modal Specs Grid */
.modal-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.modal-spec-item {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary-blue);
}

.modal-spec-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.modal-spec-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* ===================================
   Orange Theme for Heat Pump & Gas Modals
   =================================== */

/* Spec box left border */
.modal-body.modal-theme-orange .modal-spec-item {
    border-left-color: #ff4500;
}

/* Features heading underline */
.modal-body.modal-theme-orange .features-column h4 {
    border-bottom-color: #ff4500;
}

/* Feature list bullets */
.modal-body.modal-theme-orange .features-list li:before {
    color: #ff4500;
}

/* Document card hover */
.modal-body.modal-theme-orange .document-card:hover {
    border-color: #ff4500;
    background: #ff4500;
    box-shadow: 0 8px 20px rgba(255, 69, 0, 0.4);
}

/* Add to Cart button */
.modal-body.modal-theme-orange .btn-modal-add-to-cart {
    background: #ff4500;
}

.modal-body.modal-theme-orange .btn-modal-add-to-cart:hover {
    background: #cc3700;
    box-shadow: 0 8px 20px rgba(255, 69, 0, 0.4);
}

/* Modal Model Info */
.modal-models {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.modal-models h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.model-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.model-info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.model-info-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.model-info-value {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
}

/* Product Images Grid */
.product-images-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.product-image-container {
    text-align: center;
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: contain;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
}

.image-caption {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.features-column h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--primary-blue);
}

.features-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.features-list li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
    position: relative;
    padding-left: var(--spacing-lg);
}

/* FIXED: Proper bullet character using CSS unicode escape */
.features-list li:before {
    content: "\2022";
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
}

/* Modal Documents */
.modal-documents {
    margin-bottom: var(--spacing-2xl);
}

.modal-documents h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.document-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.document-card {
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.document-card:hover {
    border-color: var(--primary-blue);
    background: var(--primary-blue);
    color: var(--black);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 168, 232, 0.4);
}

.document-icon {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.document-card:hover .document-icon {
    background: rgba(0, 0, 0, 0.3);
}

.document-icon svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
}

.document-card:hover .document-icon svg {
    color: var(--black);
}

.document-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: color var(--transition-fast);
}

.document-card:hover .document-name {
    color: var(--black);
}

.document-type {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
}

.document-card:hover .document-type {
    color: rgba(0, 0, 0, 0.7);
}

/* Unavailable Document State */
.document-card.unavailable {
    cursor: not-allowed;
    opacity: 0.5;
}

.document-card.unavailable:hover {
    border-color: var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: none;
    box-shadow: none;
}

.document-card.unavailable .document-name {
    position: relative;
}

.document-card.unavailable .document-name::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 2px;
    background: var(--text-secondary);
    transform: translateY(-50%);
}

.document-card.unavailable:hover .document-icon {
    background: var(--bg-secondary);
}

.document-card.unavailable:hover .document-icon svg {
    color: var(--text-secondary);
}

.document-card.unavailable:hover .document-name {
    color: var(--text-primary);
}

.document-card.unavailable:hover .document-type {
    color: var(--text-secondary);
}

/* No documents message */
.no-documents {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
    font-style: italic;
}

/* ===================================
   Animations
   =================================== */

.stagger-in {
    animation: staggerIn 0.5s ease forwards;
}

@keyframes staggerIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger delay for multiple items */
.product-card:nth-child(1) { animation-delay: 0ms; }
.product-card:nth-child(2) { animation-delay: 50ms; }
.product-card:nth-child(3) { animation-delay: 100ms; }
.product-card:nth-child(4) { animation-delay: 150ms; }
.product-card:nth-child(5) { animation-delay: 200ms; }
.product-card:nth-child(6) { animation-delay: 250ms; }

/* ===================================
   Cart Styles
   =================================== */

/* Cart Button in Header */
.cart-button {
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cart-button:hover {
    border-color: var(--primary-blue);
    background: rgba(0, 168, 232, 0.1);
}

.cart-button svg {
    color: var(--text-secondary);
}

.cart-count {
    display: none;
    position: absolute;
    top: -8px;
    right: -8px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--accent-orange);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 10px;
    align-items: center;
    justify-content: center;
}

/* Cart Page */
.cart-page {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.cart-page-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.cart-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
}

.cart-page-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.cart-page-title h1 {
    font-size: 2rem;
    color: var(--text-primary);
}

.btn-back-to-products {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn-back-to-products:hover {
    border-color: var(--primary-blue);
    color: var(--text-primary);
}

.btn-back-to-products svg {
    width: 20px;
    height: 20px;
}

.btn-clear-cart {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-clear-cart:hover {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
    color: var(--white);
}

.cart-page-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-xl);
    align-items: start;
}

.cart-items-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.cart-page-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.cart-page-item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.cart-page-item-info {
    flex: 1;
}

.cart-item-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-blue);
    color: var(--black);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

/* Cart badge color variants */
.cart-item-badge.badge-heat-pump {
    background: #ff4500;
    color: var(--white);
}

.cart-item-badge.badge-gas-pack {
    background: #ff4500;
    color: var(--white);
}

.cart-item-badge.badge-cooling {
    background: var(--primary-blue);
    color: var(--black);
}

.cart-page-item-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.cart-page-item-subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
}

.btn-remove-item {
    padding: var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-remove-item:hover {
    background: var(--accent-orange);
    border-color: var(--accent-orange);
}

.btn-remove-item svg {
    color: var(--text-secondary);
}

.btn-remove-item:hover svg {
    color: var(--white);
}

.cart-page-item-models {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.cart-page-item-models strong {
    color: var(--text-primary);
}

.cart-page-item-documents h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.document-checkboxes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

.document-checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.document-checkbox-item:hover:not(.unavailable) {
    border-color: var(--primary-blue);
    background: rgba(0, 168, 232, 0.1);
}

.document-checkbox-item.unavailable {
    opacity: 0.5;
    cursor: not-allowed;
}

.document-checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.document-checkbox-item.unavailable input[type="checkbox"] {
    cursor: not-allowed;
}

.checkbox-label {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.document-checkbox-item.unavailable .checkbox-label {
    position: relative;
}

.document-checkbox-item.unavailable .checkbox-label::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 2px;
    background: var(--text-secondary);
    transform: translateY(-50%);
}

.checkbox-type {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
}

/* Cart Sidebar */
.cart-sidebar {
    position: sticky;
    top: 100px;
}

.cart-summary-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.cart-summary-card h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.cart-summary-row strong {
    color: var(--primary-blue);
    font-size: 1.25rem;
}

.btn-download-selected {
    width: 100%;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--primary-blue);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    color: var(--black);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.btn-download-selected:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 168, 232, 0.4);
}

.btn-download-selected svg {
    width: 20px;
    height: 20px;
}

/* Cart Empty State */
.cart-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    text-align: center;
    gap: var(--spacing-md);
}

.cart-empty svg {
    color: var(--neutral-400);
    margin-bottom: var(--spacing-md);
}

.cart-empty h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.cart-empty p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Modal Actions (Add to Cart button in modal) */
.modal-actions {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: center;
}

.btn-modal-add-to-cart {
    padding: var(--spacing-md) var(--spacing-2xl);
    background: var(--primary-blue);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    color: var(--black);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.btn-modal-add-to-cart:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 168, 232, 0.4);
}

.btn-modal-add-to-cart svg {
    width: 18px;
    height: 18px;
}

/* Cart Notifications */
.cart-notification {
    position: fixed;
    top: 100px;
    right: -300px;
    max-width: 300px;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    z-index: 10000;
    transition: right 0.3s ease;
}

.cart-notification.show {
    right: var(--spacing-xl);
}

.cart-notification-success {
    border-color: var(--accent-green);
}

.cart-notification-warning {
    border-color: var(--accent-orange);
}

.cart-notification-info {
    border-color: var(--primary-blue);
}