/**
 * PC Builder Styles
 * DirectTech E-Commerce
 * Syntech-style step wizard PC configurator
 */

/* ============================================
   PC BUILDER LAYOUT
   ============================================ */

.pc-builder {
    min-height: 100vh;
    background: var(--gray-100);
}

.pc-builder-container {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-6);
    padding: var(--space-6) 0;
    min-height: calc(100vh - 200px);
}

/* ============================================
   STEP WIZARD HEADER
   ============================================ */

.builder-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: var(--space-8) 0;
    margin-bottom: 0;
}

.builder-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.builder-title {
    color: var(--white);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.builder-title i {
    font-size: 2rem;
}

.builder-actions {
    display: flex;
    gap: var(--space-3);
}

/* ============================================
   STEP NAVIGATION
   ============================================ */

.steps-nav {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.steps-container {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0;
}

.steps-container::-webkit-scrollbar {
    display: none;
}

.step-item {
    flex: 1;
    min-width: 120px;
    padding: var(--space-4) var(--space-3);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    background: var(--white);
}

.step-item:hover {
    background: var(--gray-50);
}

.step-item.active {
    border-bottom-color: var(--primary);
    background: rgba(17, 129, 251, 0.1);
}

.step-item.completed {
    border-bottom-color: var(--success);
}

.step-item.completed .step-icon {
    background: var(--success);
    color: var(--white);
}

.step-item.has-warning {
    border-bottom-color: var(--warning);
}

.step-item.has-warning .step-icon {
    background: var(--warning);
    color: var(--white);
}

.step-item.has-error {
    border-bottom-color: var(--danger);
}

.step-item.has-error .step-icon {
    background: var(--danger);
    color: var(--white);
}

.step-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--gray-600);
    transition: all 0.3s ease;
}

.step-item.active .step-icon {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.step-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-600);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.step-item.active .step-label {
    color: var(--primary);
}

.step-item.completed .step-label {
    color: var(--success);
}

.step-price {
    font-size: 0.7rem;
    color: var(--gray-500);
    font-weight: 500;
}

.step-item.completed .step-price,
.step-item.active .step-price {
    color: var(--primary);
    font-weight: 600;
}

/* Step connector line */
.step-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40%;
    background: var(--gray-200);
}

.step-item:last-child::after {
    display: none;
}

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

.builder-main {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

/* Component Header */
.component-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.component-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--space-2) 0;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.component-title i {
    color: var(--primary);
}

.component-subtitle {
    color: var(--gray-600);
    margin: 0;
    font-size: 0.95rem;
}

/* Search and Filters */
.component-filters {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    gap: var(--space-4);
    align-items: center;
    flex-wrap: wrap;
}

.filter-search {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.filter-search input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    padding-left: 40px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: all 0.2s;
}

.filter-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(17, 129, 251, 0.1);
}

.filter-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
}

.filter-sort {
    min-width: 180px;
}

.filter-sort select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background: var(--white);
    cursor: pointer;
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--gray-100);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--gray-700);
    transition: all 0.2s;
}

.filter-toggle:hover {
    background: var(--gray-200);
}

.filter-toggle input {
    accent-color: var(--primary);
}

/* Component Grid */
.component-grid {
    padding: var(--space-4);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
    max-height: calc(100vh - 400px);
    overflow-y: auto;
}

/* Component Card */
.component-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.component-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 20px rgba(17, 129, 251, 0.15);
    transform: translateY(-2px);
}

.component-card.selected {
    border-color: var(--primary);
    background: rgba(17, 129, 251, 0.08);
    box-shadow: 0 4px 20px rgba(17, 129, 251, 0.2);
}

.component-card.selected::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    z-index: 1;
}

.component-card.incompatible {
    opacity: 0.6;
    border-color: var(--danger);
}

.component-card.incompatible::after {
    content: 'Incompatible';
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: var(--danger);
    color: var(--white);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
}

.component-card.out-of-stock {
    opacity: 0.5;
}

.component-card.out-of-stock::after {
    content: 'Out of Stock';
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    background: var(--gray-600);
    color: var(--white);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
}

.component-image {
    width: 100%;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-3);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.component-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s;
}

.component-card:hover .component-image img {
    transform: scale(1.05);
}

.component-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.6em;
}

.component-specs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin-bottom: var(--space-3);
    min-height: 52px;
}

.spec-badge {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 500;
}

.spec-badge.socket {
    background: #e3f2fd;
    color: #1565c0;
}

.spec-badge.memory {
    background: #f3e5f5;
    color: #7b1fa2;
}

.spec-badge.form-factor {
    background: #e8f5e9;
    color: #2e7d32;
}

.component-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--gray-100);
}

.component-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

.component-stock {
    font-size: 0.75rem;
    color: var(--success);
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.component-stock.out {
    color: var(--danger);
}

/* ============================================
   BUILD SUMMARY SIDEBAR
   ============================================ */

.builder-sidebar {
    position: sticky;
    top: 80px;
    height: fit-content;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.build-summary {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.summary-header {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
    color: #ffffff;
    padding: var(--space-5);
}

.summary-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 var(--space-2) 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: #ffffff;
}

.summary-subtitle {
    font-size: 0.85rem;
    color: #cccccc !important;
    margin: 0;
}

.summary-items {
    padding: var(--space-4);
    max-height: 400px;
    overflow-y: auto;
}

.summary-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    position: relative;
}

.summary-item:last-child {
    margin-bottom: 0;
}

.summary-item.empty {
    background: var(--gray-100);
    border: 2px dashed var(--gray-300);
}

.summary-item-image {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.summary-item-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.summary-item-image i {
    font-size: 1.2rem;
    color: var(--gray-400);
}

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

.summary-item-type {
    font-size: 0.7rem;
    color: var(--gray-500);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.summary-item-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.summary-item-price {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

.summary-item-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    background: var(--gray-200);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    font-size: 0.7rem;
    transition: all 0.2s;
    opacity: 0;
}

.summary-item:hover .summary-item-remove {
    opacity: 1;
}

.summary-item-remove:hover {
    background: var(--danger);
    color: var(--white);
}

/* Empty state */
.summary-empty {
    text-align: center;
    padding: var(--space-6);
    color: var(--gray-500);
}

.summary-empty i {
    font-size: 2.5rem;
    margin-bottom: var(--space-3);
    color: var(--gray-400);
}

/* Compatibility Status */
.compatibility-status {
    padding: var(--space-4);
    border-top: 1px solid var(--gray-200);
}

.compatibility-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
}

.compatibility-badge.compatible {
    background: #e8f5e9;
    color: #2e7d32;
}

.compatibility-badge.warning {
    background: #fff3e0;
    color: #ef6c00;
}

.compatibility-badge.incompatible {
    background: #ffebee;
    color: #c62828;
}

.compatibility-badge.incomplete {
    background: var(--gray-100);
    color: var(--gray-600);
}

.compatibility-issues {
    margin-top: var(--space-3);
}

.compatibility-issue {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-2);
    font-size: 0.8rem;
    color: var(--gray-700);
}

.compatibility-issue i {
    margin-top: 2px;
}

.compatibility-issue.warning i {
    color: var(--warning);
}

.compatibility-issue.error i {
    color: var(--danger);
}

/* Price Summary */
.price-summary {
    padding: var(--space-4);
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

.price-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-2);
    font-size: 0.9rem;
    color: var(--gray-700);
}

.price-row.total {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    padding-top: var(--space-3);
    border-top: 1px solid var(--gray-300);
    margin-top: var(--space-3);
}

.price-row.total .price-value {
    color: var(--primary);
}

/* Summary Actions */
.summary-actions {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.summary-actions .btn {
    width: 100%;
    justify-content: center;
}

.btn-add-to-cart {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    font-weight: 600;
    padding: var(--space-4);
    font-size: 1rem;
}

.btn-add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(17, 129, 251, 0.4);
}

.btn-add-to-cart:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.secondary-actions {
    display: flex;
    gap: var(--space-2);
}

.secondary-actions .btn {
    flex: 1;
    font-size: 0.85rem;
    padding: var(--space-3);
}

/* ============================================
   LOADING STATE
   ============================================ */

.component-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12);
    color: var(--primary);
    gap: var(--space-3);
}

.component-loading i {
    font-size: 2.5rem;
    animation: spin 1s linear infinite;
}

.component-loading::after {
    content: 'Loading components...';
    font-size: 0.9rem;
    color: var(--gray-600);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* No results */
.no-results {
    text-align: center;
    padding: var(--space-12);
    color: var(--gray-500);
}

.no-results i {
    font-size: 3rem;
    color: var(--gray-300);
    margin-bottom: var(--space-4);
}

/* ============================================
   SAVE BUILD MODAL
   ============================================ */

.save-build-modal .modal-body {
    padding: var(--space-6);
}

.build-name-input {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    margin-bottom: var(--space-4);
}

.build-name-input:focus {
    outline: none;
    border-color: var(--primary);
}

.build-options {
    margin-bottom: var(--space-4);
}

.build-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    cursor: pointer;
}

.build-option input {
    accent-color: var(--primary);
}

/* ============================================
   SHARE BUILD
   ============================================ */

.share-url-container {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.share-url-input {
    flex: 1;
    padding: var(--space-3);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    background: var(--gray-50);
}

.share-social {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-4);
    justify-content: center;
}

.share-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.1rem;
    transition: transform 0.2s;
}

.share-social a:hover {
    transform: scale(1.1);
}

.share-social .facebook { background: #1877f2; }
.share-social .twitter { background: #1da1f2; }
.share-social .whatsapp { background: #25d366; }

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

@media (max-width: 1200px) {
    .pc-builder-container {
        grid-template-columns: 1fr 320px;
    }
}

@media (max-width: 992px) {
    .pc-builder-container {
        grid-template-columns: 1fr;
    }

    .builder-sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        z-index: 1000;
        max-height: none;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    }

    .build-summary {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .summary-items {
        max-height: 200px;
    }

    /* Collapsed state for mobile */
    .builder-sidebar.collapsed .summary-items,
    .builder-sidebar.collapsed .compatibility-status {
        display: none;
    }

    .builder-sidebar.collapsed .summary-header {
        cursor: pointer;
    }

    .summary-toggle {
        display: block;
        position: absolute;
        top: 50%;
        right: var(--space-4);
        transform: translateY(-50%);
        font-size: 1.2rem;
    }

    .builder-main {
        margin-bottom: 200px; /* Space for fixed sidebar */
    }

    .component-grid {
        max-height: none;
    }
}

@media (max-width: 768px) {
    .builder-header .container {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .builder-title {
        font-size: 1.4rem;
    }

    .step-item {
        min-width: 80px;
        padding: var(--space-3) var(--space-2);
    }

    .step-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }

    .step-label {
        font-size: 0.65rem;
    }

    .component-filters {
        flex-direction: column;
    }

    .filter-search {
        width: 100%;
    }

    .filter-sort {
        width: 100%;
    }

    .component-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: var(--space-3);
    }

    .component-card {
        padding: var(--space-3);
    }

    .component-image {
        height: 100px;
    }

    .component-name {
        font-size: 0.8rem;
    }

    .component-price {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .component-grid {
        grid-template-columns: 1fr;
    }

    .component-card {
        flex-direction: row;
        gap: var(--space-3);
    }

    .component-image {
        width: 80px;
        height: 80px;
        flex-shrink: 0;
        margin-bottom: 0;
    }

    .component-name {
        min-height: auto;
    }

    .component-specs {
        min-height: auto;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

.component-card {
    animation: fadeInCard 0.3s ease forwards;
}

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

.component-card:nth-child(1) { animation-delay: 0ms; }
.component-card:nth-child(2) { animation-delay: 50ms; }
.component-card:nth-child(3) { animation-delay: 100ms; }
.component-card:nth-child(4) { animation-delay: 150ms; }
.component-card:nth-child(5) { animation-delay: 200ms; }
.component-card:nth-child(6) { animation-delay: 250ms; }
.component-card:nth-child(7) { animation-delay: 300ms; }
.component-card:nth-child(8) { animation-delay: 350ms; }

.summary-item {
    animation: slideInRight 0.3s ease forwards;
}

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

/* ============================================
   HIDDEN COMPONENTS NOTICE
   ============================================ */

.hidden-count-notice {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--info-light, #e3f2fd);
    color: var(--info, #1976d2);
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-top: var(--space-4);
}

.hidden-count-notice i {
    font-size: 1rem;
}

/* Compatible Only toggle styling */
.filter-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--gray-700);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    transition: all 0.2s ease;
    user-select: none;
}

.filter-toggle:hover {
    background: var(--gray-100);
}

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

.filter-toggle i {
    color: var(--success, #4caf50);
    font-size: 0.875rem;
}

.filter-toggle input[type="checkbox"]:not(:checked) + i {
    color: var(--gray-400);
}