/**
 * Styles CSS pour l'interface front-office du plugin PDF Manager
 * 
 * @package PDFManager
 * @author sokrashop.com
 */

/* Variables CSS pour les thèmes */
:root {
    --pdf-primary-color: #2271b1;
    --pdf-secondary-color: #72aee6;
    --pdf-success-color: #00a32a;
    --pdf-error-color: #d63638;
    --pdf-warning-color: #dba617;
    --pdf-background-color: #ffffff;
    --pdf-surface-color: #f6f7f7;
    --pdf-border-color: #c3c4c7;
    --pdf-text-color: #1d2327;
    --pdf-text-secondary: #646970;
    --pdf-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --pdf-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
    --pdf-border-radius: 8px;
    --pdf-transition: all 0.3s ease;
}

/* Thème sombre */
.pdf-manager-theme-dark {
    --pdf-background-color: #1e1e1e;
    --pdf-surface-color: #2d2d2d;
    --pdf-border-color: #404040;
    --pdf-text-color: #ffffff;
    --pdf-text-secondary: #b0b0b0;
}

/* Conteneur principal */
#pdf-manager-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    background-color: var(--pdf-background-color);
    color: var(--pdf-text-color);
    border-radius: var(--pdf-border-radius);
    box-shadow: var(--pdf-shadow);
}

/* Zone d'upload */
.pdf-upload-area {
    margin-bottom: 30px;
}

.upload-zone {
    border: 2px dashed var(--pdf-border-color);
    border-radius: var(--pdf-border-radius);
    padding: 40px 20px;
    text-align: center;
    background-color: var(--pdf-surface-color);
    transition: var(--pdf-transition);
    cursor: pointer;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--pdf-primary-color);
    background-color: rgba(34, 113, 177, 0.05);
    transform: translateY(-2px);
}

.upload-icon {
    margin-bottom: 15px;
    color: var(--pdf-text-secondary);
}

.upload-icon svg {
    width: 48px;
    height: 48px;
}

.upload-text {
    font-size: 16px;
    color: var(--pdf-text-secondary);
    margin-bottom: 20px;
    line-height: 1.5;
}

.upload-button {
    background-color: var(--pdf-primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--pdf-border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--pdf-transition);
}

.upload-button:hover {
    background-color: #1e5a8a;
    transform: translateY(-1px);
    box-shadow: var(--pdf-shadow-hover);
}

/* Barre de progression */
.upload-progress {
    margin-top: 20px;
    padding: 20px;
    background-color: var(--pdf-surface-color);
    border-radius: var(--pdf-border-radius);
    border: 1px solid var(--pdf-border-color);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--pdf-border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background-color: var(--pdf-primary-color);
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    text-align: center;
    color: var(--pdf-text-secondary);
    font-size: 14px;
    margin: 0;
}

/* Liste des fichiers */
.pdf-files-list {
    margin-bottom: 30px;
}

.pdf-files-list h3 {
    color: var(--pdf-text-color);
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

.files-container {
    display: grid;
    gap: 15px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    background-color: var(--pdf-surface-color);
    border: 1px solid var(--pdf-border-color);
    border-radius: var(--pdf-border-radius);
    transition: var(--pdf-transition);
}

.file-item:hover {
    box-shadow: var(--pdf-shadow-hover);
    transform: translateY(-1px);
}

.file-info {
    display: flex;
    align-items: center;
    flex: 1;
}

.file-icon {
    font-size: 24px;
    margin-right: 15px;
    color: var(--pdf-primary-color);
}

.file-details {
    flex: 1;
}

.file-name {
    font-weight: 500;
    color: var(--pdf-text-color);
    margin-bottom: 4px;
}

.file-meta {
    font-size: 12px;
    color: var(--pdf-text-secondary);
}

.file-actions {
    display: flex;
    gap: 8px;
}

.file-action-btn {
    background: none;
    border: 1px solid var(--pdf-border-color);
    border-radius: 4px;
    padding: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: var(--pdf-transition);
}

.file-action-btn:hover {
    background-color: var(--pdf-primary-color);
    color: white;
    border-color: var(--pdf-primary-color);
}

/* Barre d'outils */
.pdf-toolbar {
    margin-bottom: 30px;
    padding: 20px;
    background-color: var(--pdf-surface-color);
    border: 1px solid var(--pdf-border-color);
    border-radius: var(--pdf-border-radius);
}

.toolbar-section h4 {
    margin-bottom: 15px;
    color: var(--pdf-text-color);
    font-size: 16px;
    font-weight: 600;
}

.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px 20px;
    background-color: var(--pdf-background-color);
    border: 2px solid var(--pdf-border-color);
    border-radius: var(--pdf-border-radius);
    color: var(--pdf-text-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--pdf-transition);
    cursor: pointer;
}

.action-btn:hover {
    border-color: var(--pdf-primary-color);
    background-color: var(--pdf-primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--pdf-shadow-hover);
}

.action-btn .btn-icon {
    margin-right: 10px;
    font-size: 18px;
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.action-btn:disabled:hover {
    border-color: var(--pdf-border-color);
    background-color: var(--pdf-background-color);
    color: var(--pdf-text-color);
}

/* Zone de travail */
.pdf-workspace {
    margin-bottom: 30px;
    background-color: var(--pdf-surface-color);
    border: 1px solid var(--pdf-border-color);
    border-radius: var(--pdf-border-radius);
    overflow: hidden;
}

.workspace-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: var(--pdf-primary-color);
    color: white;
}

.workspace-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.close-workspace {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--pdf-transition);
}

.close-workspace:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.workspace-content {
    padding: 20px;
    min-height: 200px;
}

.workspace-actions {
    padding: 15px 20px;
    border-top: 1px solid var(--pdf-border-color);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* Pages grid pour l'organisation */
.pages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.page-item {
    border: 2px solid var(--pdf-border-color);
    border-radius: var(--pdf-border-radius);
    padding: 10px;
    text-align: center;
    background-color: var(--pdf-background-color);
    cursor: move;
    transition: var(--pdf-transition);
}

.page-item:hover {
    border-color: var(--pdf-primary-color);
    box-shadow: var(--pdf-shadow-hover);
}

.page-item.selected {
    border-color: var(--pdf-primary-color);
    background-color: rgba(34, 113, 177, 0.1);
}

.page-item.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
}

.page-thumbnail {
    width: 80px;
    height: 100px;
    background-color: var(--pdf-surface-color);
    border: 1px solid var(--pdf-border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-weight: bold;
    color: var(--pdf-text-secondary);
}

.page-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.page-select {
    margin: 0;
}

.page-label {
    font-size: 12px;
    color: var(--pdf-text-secondary);
}

/* Zone de résultat */
.pdf-result {
    padding: 20px;
    background-color: var(--pdf-surface-color);
    border: 1px solid var(--pdf-border-color);
    border-radius: var(--pdf-border-radius);
    margin-bottom: 30px;
}

.result-header h4 {
    margin-bottom: 15px;
    color: var(--pdf-text-color);
    font-size: 16px;
    font-weight: 600;
}

.result-file {
    padding: 15px;
    background-color: var(--pdf-background-color);
    border: 1px solid var(--pdf-border-color);
    border-radius: var(--pdf-border-radius);
    margin-bottom: 15px;
}

.result-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    background-color: var(--pdf-success-color);
    color: white;
    text-decoration: none;
    border-radius: var(--pdf-border-radius);
    font-weight: 500;
    transition: var(--pdf-transition);
}

.download-btn:hover {
    background-color: #008a00;
    transform: translateY(-1px);
    box-shadow: var(--pdf-shadow-hover);
    color: white;
    text-decoration: none;
}

.download-btn .btn-icon {
    margin-right: 8px;
}

/* Boutons */
.btn-primary {
    background-color: var(--pdf-primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: var(--pdf-border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--pdf-transition);
}

.btn-primary:hover {
    background-color: #1e5a8a;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--pdf-text-color);
    border: 1px solid var(--pdf-border-color);
    padding: 10px 20px;
    border-radius: var(--pdf-border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--pdf-transition);
}

.btn-secondary:hover {
    background-color: var(--pdf-surface-color);
    border-color: var(--pdf-primary-color);
}

/* Messages */
.pdf-messages {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    max-width: 400px;
}

.message {
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: var(--pdf-border-radius);
    box-shadow: var(--pdf-shadow-hover);
    animation: slideIn 0.3s ease;
}

.message.success {
    background-color: var(--pdf-success-color);
    color: white;
}

.message.error {
    background-color: var(--pdf-error-color);
    color: white;
}

.message.warning {
    background-color: var(--pdf-warning-color);
    color: white;
}

.message.info {
    background-color: var(--pdf-primary-color);
    color: white;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive design */
@media (max-width: 768px) {
    #pdf-manager-container {
        padding: 15px;
    }
    
    .action-buttons {
        grid-template-columns: 1fr;
    }
    
    .pages-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
    }
    
    .workspace-actions {
        flex-direction: column;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .pdf-messages {
        left: 10px;
        right: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .upload-zone {
        padding: 30px 15px;
    }
    
    .file-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .file-actions {
        align-self: stretch;
        justify-content: center;
    }
    
    .pages-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
    
    .page-thumbnail {
        width: 60px;
        height: 80px;
    }
}

/* Animations et transitions */
.fade-in {
    animation: fadeIn 0.3s ease;
}

.fade-out {
    animation: fadeOut 0.3s ease;
}

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

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

/* États de chargement */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--pdf-border-radius);
}

.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--pdf-border-color);
    border-top-color: var(--pdf-primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 1;
}

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