/**
 * Build Wizard Styles
 * PC Kompas - 7-step guided PC build generator
 * Professional, polished, fully responsive
 */

/* ============================================
   CSS Variable Definitions (with fallbacks)
   ============================================ */

:root {
    /* Spacing scale (8px grid + 4px for micro adjustments) */
    --space-2xs: 4px;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Border radius scale */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Border colors (fallback if not in theme-vars.css) */
    --border-primary: var(--border, #333333);

    /* Accent RGB for box-shadow */
    --accent-rgb: 255, 204, 0;
}

/* Light theme overrides for accent-rgb */
html.light {
    --accent-rgb: 212, 160, 0;
}

/* ============================================
   Page Layout
   ============================================ */

.pkc-wizard-page {
    min-height: calc(100vh - 200px);
    padding: 24px 0 80px;
    background: var(--bg-primary);
}

@media (max-width: 768px) {
    .pkc-wizard-page {
        padding: 16px 0 60px;
    }
}

.wizard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .wizard-container {
        padding: 0 16px;
    }
}

/* ============================================
   Progress Tabs (Horizontal Scroll on Mobile)
   ============================================ */

.wizard-progress-tabs {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-2xl);
    padding: var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--text-muted) transparent;
}

/* Scrollbar styling */
.wizard-progress-tabs::-webkit-scrollbar {
    height: 6px;
}

.wizard-progress-tabs::-webkit-scrollbar-track {
    background: transparent;
}

.wizard-progress-tabs::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}

.wizard-progress-tabs::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

.progress-tab {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    min-width: 140px;
    flex: 1 1 0;
    padding: var(--space-sm);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    text-align: left;
}

.progress-tab:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.progress-tab:not(:disabled):hover {
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.progress-tab:not(:disabled):focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.tab-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xs);
    margin-bottom: var(--space-xs);
}

.tab-number {
    font-size: clamp(0.65rem, 2vw, 0.75rem);
    font-weight: 600;
    color: var(--text-muted);
}

.tab-label {
    font-size: clamp(0.75rem, 2.5vw, 0.875rem);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.tab-value {
    font-size: clamp(0.7rem, 2vw, 0.8125rem);
    font-weight: 500;
    color: var(--accent);
    margin-bottom: var(--space-xs);
    min-height: 1.2em;
}

.tab-progress {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin-top: auto;
}

.tab-progress-fill {
    height: 100%;
    width: 0;
    background: var(--text-muted);
    transition: all 0.3s ease;
}

.tab-progress-fill.filled {
    width: 100%;
    background: var(--accent);
}

.progress-tab.active .tab-number,
.progress-tab.active .tab-label {
    color: var(--accent);
}

.progress-tab.completed .tab-progress-fill {
    width: 100%;
    background: var(--success);
}

/* ============================================
   Step Content
   ============================================ */

.wizard-content {
    min-height: 500px;
}

.wizard-step {
    animation: fadeIn 0.3s ease;
}

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

.step-card {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    text-align: center;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.step-title {
    font-size: clamp(1.5rem, 5vw, 1.75rem);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-sm);
}

.step-description {
    font-size: clamp(0.875rem, 2vw, 1rem);
    color: var(--text-secondary);
    margin: 0 0 var(--space-xl);
    line-height: 1.6;
}

/* ============================================
   Budget Selector
   ============================================ */

.budget-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.budget-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.budget-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
}

.budget-btn:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.budget-display {
    min-width: 150px;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-primary);
    border: 2px solid var(--accent);
    border-radius: var(--radius-md);
}

.budget-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

/* ============================================
   Option Cards
   ============================================ */

.option-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.option-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
    .option-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .option-grid,
    .option-grid-3 {
        grid-template-columns: 1fr;
    }
}

.option-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    background: var(--bg-primary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    min-height: 140px;
}

.option-card:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

.option-card:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.option-card.selected {
    border-color: var(--accent);
    background: var(--bg-tertiary);
    box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.1);
}

.option-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-sm);
    color: var(--accent);
}

.option-icon svg {
    width: 100%;
    height: 100%;
}

.option-label {
    font-size: clamp(1rem, 3vw, 1.125rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.option-desc {
    font-size: clamp(0.8rem, 2vw, 0.875rem);
    color: var(--text-secondary);
}

/* ============================================
   Navigation
   ============================================ */

.wizard-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
}

.nav-spacer {
    flex: 1;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-secondary);
    border-color: var(--text-muted);
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.125rem;
}

.btn-arrow {
    font-size: 1.25rem;
}

/* ============================================
   Results / Build Preview
   ============================================ */

.wizard-results {
    max-width: 1000px;
    margin: 0 auto;
}

/* Generating State */
.generating-state {
    padding: var(--space-2xl) 0;
    text-align: center;
}

.generating-state h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: var(--space-lg) 0 var(--space-sm);
}

.generating-state p {
    color: var(--text-secondary);
    margin: 0;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

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

/* Build Result */
.build-result {
    text-align: center;
}

.result-header {
    margin-bottom: var(--space-2xl);
}

.result-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.result-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-md);
}

.result-description {
    font-size: clamp(0.875rem, 2vw, 1rem);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Result Columns */
.result-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    text-align: left;
}

@media (max-width: 768px) {
    .result-columns {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* Component List */
.component-list {
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-primary);
}

.list-item:last-child {
    border-bottom: none;
}

.list-label {
    font-size: clamp(0.85rem, 2vw, 0.9375rem);
    font-weight: 500;
    color: var(--text-secondary);
}

.list-value {
    font-size: clamp(0.85rem, 2vw, 0.9375rem);
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
}

.list-total {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 2px solid var(--border-primary);
    border-bottom: none;
}

.list-total .list-label {
    font-size: clamp(1rem, 3vw, 1.125rem);
    font-weight: 600;
    color: var(--text-primary);
}

.list-total .list-value {
    font-size: clamp(1.1rem, 3.5vw, 1.25rem);
    font-weight: 700;
    color: var(--accent);
}

/* Component Thumbnails Grid */
.component-thumbnails {
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.thumbnail-card {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: top;
    width: calc(25% - var(--space-sm));
    margin: calc(var(--space-xs) / 2);
    padding: var(--space-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.thumbnail-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.thumbnail-image {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-xs);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

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

.thumbnail-label {
    font-size: clamp(0.625rem, 1.5vw, 0.6875rem);
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.thumbnail-caption {
    margin-top: var(--space-md);
    font-size: clamp(0.8rem, 2vw, 0.875rem);
    color: var(--text-muted);
    text-align: center;
}

@media (max-width: 768px) {
    .thumbnail-card {
        width: calc(33.333% - var(--space-sm));
    }
}

@media (max-width: 600px) {
    .thumbnail-card {
        width: calc(50% - var(--space-sm));
    }
}

@media (max-width: 400px) {
    .thumbnail-card {
        width: calc(100% - var(--space-xs));
    }
}

/* Result Actions */
.result-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.btn-buy {
    flex-direction: column;
    gap: var(--space-2xs);
}

.btn-price {
    font-size: 0.875rem;
    font-weight: 600;
}

/* Error State */
.error-state {
    padding: var(--space-2xl) 0;
    text-align: center;
}

.error-state h2 {
    font-size: 1.5rem;
    color: var(--error);
    margin: 0 0 var(--space-sm);
}

.error-state p {
    color: var(--text-secondary);
    margin: 0 0 var(--space-lg);
}

/* ============================================
   Light Theme Overrides
   ============================================ */

html.light .step-card,
html.light .component-list,
html.light .component-thumbnails {
    box-shadow: var(--shadow-sm);
}

html.light .option-card:hover,
html.light .thumbnail-card:hover {
    box-shadow: var(--shadow-md);
}

html.light .wizard-progress-tabs {
    box-shadow: var(--shadow-sm);
}

html.light .budget-btn {
    background: var(--bg-secondary);
}

html.light .budget-btn:hover {
    background: var(--accent);
    color: var(--bg-primary);
}

html.light .btn-primary {
    color: var(--bg-primary);
}

html.light .btn-secondary {
    background: var(--bg-primary);
}

/* ============================================
   Responsive Mobile Adjustments
   ============================================ */

@media (max-width: 640px) {
    .step-card {
        padding: var(--space-xl) var(--space-md);
    }

    .option-card {
        padding: var(--space-md);
        min-height: 120px;
    }

    .wizard-nav {
        flex-direction: column;
        gap: var(--space-md);
    }

    .wizard-nav .btn {
        width: 100%;
    }

    .result-actions {
        flex-direction: column;
    }

    .result-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .budget-selector {
        gap: var(--space-sm);
    }

    .budget-btn {
        width: 40px;
        height: 40px;
        font-size: clamp(1.125rem, 3vw, 1.5rem);
    }

    .budget-display {
        min-width: 120px;
        padding: var(--space-sm) var(--space-md);
    }

    .budget-amount {
        font-size: clamp(1.125rem, 3vw, 1.5rem);
    }
}

/* ============================================
   Accessibility Enhancements
   ============================================ */

/* Keyboard navigation for pills/buttons */
.option-card:focus-visible,
.budget-btn:focus-visible,
.progress-tab:focus-visible,
.btn:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .option-card,
    .step-card,
    .component-list,
    .component-thumbnails {
        border-width: 2px;
    }

    .option-card.selected {
        border-width: 3px;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .wizard-progress-tabs,
    .wizard-nav,
    .result-actions {
        display: none !important;
    }

    .wizard-results {
        page-break-inside: avoid;
    }

    .result-columns {
        page-break-inside: avoid;
    }
}