/**
 * Photo Book Builder - Wizard de création
 *
 * Styles pour le processus de création de livre.
 *
 * @package PhotoBookBuilder
 */

/* ==========================================================================
   Variables
   ========================================================================== */

:root {
    --pbb-primary: #3498db;
    --pbb-primary-dark: #2980b9;
    --pbb-primary-light: #ebf5fb;
    --pbb-secondary: #2ecc71;
    --pbb-accent: #9b59b6;
    --pbb-danger: #e74c3c;
    --pbb-warning: #f39c12;
    --pbb-dark: #2c3e50;
    --pbb-gray-100: #f8f9fa;
    --pbb-gray-200: #e9ecef;
    --pbb-gray-300: #dee2e6;
    --pbb-gray-400: #ced4da;
    --pbb-gray-500: #adb5bd;
    --pbb-gray-600: #6c757d;
    --pbb-gray-700: #495057;
    --pbb-gray-800: #343a40;
    --pbb-gray-900: #212529;
    --pbb-border-radius: 8px;
    --pbb-border-radius-lg: 12px;
    --pbb-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --pbb-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --pbb-transition: all 0.3s ease;
}

/* ==========================================================================
   Wizard Container
   ========================================================================== */

.pbb-wizard {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

.pbb-wizard * {
    box-sizing: border-box;
}

/* ==========================================================================
   Progress Steps
   ========================================================================== */

.pbb-wizard-progress {
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
    position: relative;
}

.pbb-wizard-progress::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: var(--pbb-gray-300);
    z-index: 0;
}

.pbb-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
    max-width: 200px;
}

.pbb-step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--pbb-gray-200);
    color: var(--pbb-gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 10px;
    transition: var(--pbb-transition);
}

.pbb-step-label {
    font-size: 14px;
    color: var(--pbb-gray-600);
    text-align: center;
    transition: var(--pbb-transition);
}

.pbb-progress-step.active .pbb-step-number {
    background: var(--pbb-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.4);
}

.pbb-progress-step.active .pbb-step-label {
    color: var(--pbb-primary);
    font-weight: 600;
}

.pbb-progress-step.completed .pbb-step-number {
    background: var(--pbb-secondary);
    color: #fff;
}

.pbb-progress-step.completed .pbb-step-number::before {
    content: '✓';
}

.pbb-progress-step.completed .pbb-step-label {
    color: var(--pbb-secondary);
}

/* ==========================================================================
   Wizard Steps Content
   ========================================================================== */

.pbb-wizard-step {
    display: none;
    animation: fadeIn 0.4s ease;
}

.pbb-wizard-step.active {
    display: block;
}

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

.pbb-step-header {
    text-align: center;
    margin-bottom: 40px;
}

.pbb-step-header h2 {
    font-size: 28px;
    color: var(--pbb-dark);
    margin: 0 0 10px 0;
}

.pbb-step-header p {
    font-size: 16px;
    color: var(--pbb-gray-600);
    margin: 0;
}

/* ==========================================================================
   Étape 1: Sélection du produit
   ========================================================================== */

.pbb-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.pbb-product-card {
    background: #fff;
    border-radius: var(--pbb-border-radius-lg);
    overflow: hidden;
    box-shadow: var(--pbb-shadow);
    cursor: pointer;
    transition: var(--pbb-transition);
    border: 3px solid transparent;
}

.pbb-product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--pbb-shadow-lg);
}

.pbb-product-card.selected {
    border-color: var(--pbb-primary);
    box-shadow: 0 0 0 4px var(--pbb-primary-light);
}

.pbb-product-image {
    height: 200px;
    background: var(--pbb-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.pbb-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pbb-product-image .pbb-placeholder {
    color: var(--pbb-gray-400);
    font-size: 48px;
}

.pbb-product-content {
    padding: 20px;
}

.pbb-product-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--pbb-dark);
    margin: 0 0 8px 0;
}

.pbb-product-description {
    font-size: 14px;
    color: var(--pbb-gray-600);
    margin: 0 0 16px 0;
    line-height: 1.5;
}

.pbb-product-price {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pbb-price-from {
    font-size: 14px;
    color: var(--pbb-gray-600);
}

.pbb-price-from strong {
    font-size: 20px;
    color: var(--pbb-primary);
}

.pbb-product-badge {
    background: var(--pbb-accent);
    color: #fff;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
}

/* ==========================================================================
   Étape 2: Configuration du format
   ========================================================================== */

.pbb-config-container {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 40px;
}

@media (max-width: 900px) {
    .pbb-config-container {
        grid-template-columns: 1fr;
    }
}

.pbb-config-options {
    background: #fff;
    border-radius: var(--pbb-border-radius-lg);
    padding: 30px;
    box-shadow: var(--pbb-shadow);
}

.pbb-option-group {
    margin-bottom: 30px;
}

.pbb-option-group:last-child {
    margin-bottom: 0;
}

.pbb-option-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--pbb-dark);
    margin-bottom: 12px;
}

/* Format selector */
.pbb-format-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.pbb-format-option {
    background: var(--pbb-gray-100);
    border: 2px solid var(--pbb-gray-200);
    border-radius: var(--pbb-border-radius);
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: var(--pbb-transition);
}

.pbb-format-option:hover {
    border-color: var(--pbb-primary);
    background: var(--pbb-primary-light);
}

.pbb-format-option.selected {
    border-color: var(--pbb-primary);
    background: var(--pbb-primary-light);
}

.pbb-format-preview {
    width: 60px;
    height: 60px;
    margin: 0 auto 10px;
    background: #fff;
    border: 1px solid var(--pbb-gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pbb-format-preview.landscape {
    width: 70px;
    height: 50px;
}

.pbb-format-preview.portrait {
    width: 50px;
    height: 70px;
}

.pbb-format-preview.square {
    width: 60px;
    height: 60px;
}

.pbb-format-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--pbb-dark);
    margin-bottom: 4px;
}

.pbb-format-dimensions {
    font-size: 12px;
    color: var(--pbb-gray-600);
}

.pbb-format-price {
    font-size: 12px;
    color: var(--pbb-primary);
    font-weight: 600;
    margin-top: 4px;
}

/* Pages slider */
.pbb-pages-selector {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.pbb-pages-slider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--pbb-gray-200);
    border-radius: 4px;
    outline: none;
}

.pbb-pages-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: var(--pbb-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(52, 152, 219, 0.4);
}

.pbb-pages-value {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--pbb-gray-600);
}

.pbb-pages-value strong {
    font-size: 18px;
    color: var(--pbb-primary);
}

/* Cover type */
.pbb-cover-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.pbb-cover-option {
    background: var(--pbb-gray-100);
    border: 2px solid var(--pbb-gray-200);
    border-radius: var(--pbb-border-radius);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--pbb-transition);
}

.pbb-cover-option:hover {
    border-color: var(--pbb-primary);
}

.pbb-cover-option.selected {
    border-color: var(--pbb-primary);
    background: var(--pbb-primary-light);
}

.pbb-cover-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.pbb-cover-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--pbb-dark);
}

.pbb-cover-price {
    font-size: 12px;
    color: var(--pbb-gray-600);
    margin-top: 4px;
}

/* Variants / Options */
.pbb-variant-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pbb-variant-option {
    padding: 10px 16px;
    background: var(--pbb-gray-100);
    border: 2px solid var(--pbb-gray-200);
    border-radius: 30px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--pbb-transition);
}

.pbb-variant-option:hover {
    border-color: var(--pbb-primary);
}

.pbb-variant-option.selected {
    border-color: var(--pbb-primary);
    background: var(--pbb-primary);
    color: #fff;
}

.pbb-color-swatch {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
    border: 2px solid rgba(0,0,0,0.1);
}

/* Summary sidebar */
.pbb-config-summary {
    background: #fff;
    border-radius: var(--pbb-border-radius-lg);
    padding: 30px;
    box-shadow: var(--pbb-shadow);
    position: sticky;
    top: 20px;
}

.pbb-summary-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--pbb-dark);
    margin: 0 0 24px 0;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--pbb-gray-200);
}

.pbb-summary-preview {
    width: 100%;
    height: 180px;
    background: var(--pbb-gray-100);
    border-radius: var(--pbb-border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    overflow: hidden;
}

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

.pbb-summary-items {
    margin-bottom: 24px;
}

.pbb-summary-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--pbb-gray-200);
    font-size: 14px;
}

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

.pbb-summary-item-label {
    color: var(--pbb-gray-600);
}

.pbb-summary-item-value {
    font-weight: 600;
    color: var(--pbb-dark);
}

.pbb-summary-total {
    background: var(--pbb-gray-100);
    border-radius: var(--pbb-border-radius);
    padding: 20px;
    text-align: center;
    margin-bottom: 24px;
}

.pbb-total-label {
    font-size: 14px;
    color: var(--pbb-gray-600);
    margin-bottom: 4px;
}

.pbb-total-price {
    font-size: 32px;
    font-weight: 700;
    color: var(--pbb-primary);
}

.pbb-total-note {
    font-size: 12px;
    color: var(--pbb-gray-500);
    margin-top: 4px;
}

/* ==========================================================================
   Étape 3: Upload des photos
   ========================================================================== */

.pbb-upload-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
}

@media (max-width: 900px) {
    .pbb-upload-container {
        grid-template-columns: 1fr;
    }
}

.pbb-upload-zone {
    background: var(--pbb-primary-light);
    border: 3px dashed var(--pbb-primary);
    border-radius: var(--pbb-border-radius-lg);
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--pbb-transition);
}

.pbb-upload-zone:hover,
.pbb-upload-zone.dragover {
    background: rgba(52, 152, 219, 0.15);
    border-color: var(--pbb-primary-dark);
}

.pbb-upload-icon {
    font-size: 64px;
    color: var(--pbb-primary);
    margin-bottom: 20px;
}

.pbb-upload-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--pbb-dark);
    margin: 0 0 10px 0;
}

.pbb-upload-subtitle {
    font-size: 14px;
    color: var(--pbb-gray-600);
    margin: 0 0 20px 0;
}

.pbb-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--pbb-primary);
    color: #fff;
    border: none;
    border-radius: var(--pbb-border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pbb-transition);
}

.pbb-upload-btn:hover {
    background: var(--pbb-primary-dark);
}

.pbb-upload-info {
    margin-top: 20px;
    font-size: 12px;
    color: var(--pbb-gray-500);
}

/* Photos grid */
.pbb-photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    margin-top: 30px;
}

.pbb-photo-thumb {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--pbb-border-radius);
    overflow: hidden;
    background: var(--pbb-gray-200);
}

.pbb-photo-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pbb-photo-thumb .pbb-photo-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--pbb-transition);
}

.pbb-photo-thumb:hover .pbb-photo-remove {
    opacity: 1;
}

.pbb-photo-thumb .pbb-photo-status {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    font-size: 10px;
    text-align: center;
}

.pbb-photo-thumb.uploading .pbb-upload-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 4px;
    background: var(--pbb-primary);
    transition: width 0.3s ease;
}

/* Upload sidebar */
.pbb-upload-sidebar {
    background: #fff;
    border-radius: var(--pbb-border-radius-lg);
    padding: 24px;
    box-shadow: var(--pbb-shadow);
}

.pbb-upload-stats {
    margin-bottom: 24px;
}

.pbb-stat-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--pbb-gray-200);
}

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

.pbb-upload-tips {
    background: var(--pbb-gray-100);
    border-radius: var(--pbb-border-radius);
    padding: 16px;
}

.pbb-upload-tips h4 {
    font-size: 14px;
    margin: 0 0 12px 0;
    color: var(--pbb-dark);
}

.pbb-upload-tips ul {
    margin: 0;
    padding: 0 0 0 20px;
    font-size: 13px;
    color: var(--pbb-gray-600);
    line-height: 1.8;
}

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

.pbb-wizard-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--pbb-gray-200);
}

.pbb-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border: 2px solid var(--pbb-gray-300);
    background: #fff;
    color: var(--pbb-gray-700);
    border-radius: var(--pbb-border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pbb-transition);
    text-decoration: none;
}

.pbb-btn:hover {
    border-color: var(--pbb-primary);
    color: var(--pbb-primary);
}

.pbb-btn-primary {
    background: var(--pbb-primary);
    border-color: var(--pbb-primary);
    color: #fff;
}

.pbb-btn-primary:hover {
    background: var(--pbb-primary-dark);
    border-color: var(--pbb-primary-dark);
    color: #fff;
}

.pbb-btn-success {
    background: var(--pbb-secondary);
    border-color: var(--pbb-secondary);
    color: #fff;
}

.pbb-btn-success:hover {
    background: #27ae60;
    border-color: #27ae60;
    color: #fff;
}

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

/* ==========================================================================
   Loading States
   ========================================================================== */

.pbb-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px;
}

.pbb-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--pbb-gray-200);
    border-top-color: var(--pbb-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.pbb-loading-text {
    margin-top: 16px;
    font-size: 16px;
    color: var(--pbb-gray-600);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 768px) {
    .pbb-wizard {
        padding: 20px 15px;
    }
    
    .pbb-wizard-progress {
        margin-bottom: 30px;
    }
    
    .pbb-wizard-progress::before {
        display: none;
    }
    
    .pbb-step-label {
        font-size: 12px;
    }
    
    .pbb-step-header h2 {
        font-size: 22px;
    }
    
    .pbb-products-grid {
        grid-template-columns: 1fr;
    }
    
    .pbb-wizard-nav {
        flex-direction: column;
        gap: 12px;
    }
    
    .pbb-wizard-nav .pbb-btn {
        width: 100%;
        justify-content: center;
    }
}