/* Lazy Loading Styles for Document Manager Pro */

.dmp-lazy-loading-container {
    position: relative;
}

.dmp-documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.dmp-document-item {
    background: #fff;
    border: 1px solid #e1e5e9;
    border-radius: 8px;
    padding: 20px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.dmp-document-item:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.dmp-document-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.dmp-document-title {
    margin: 0;
    font-size: 18px;
    line-height: 1.4;
    flex: 1;
}

.dmp-document-title a {
    color: #2271b1;
    text-decoration: none;
    font-weight: 600;
}

.dmp-document-title a:hover {
    color: #135e96;
}

.dmp-document-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
    margin-right: 15px;
}

.dmp-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    min-width: 60px;
    text-align: center;
}

.dmp-status.status-active { 
    background: #d1ecf1; 
    color: #0c5460; 
}

.dmp-status.status-expired { 
    background: #f8d7da; 
    color: #721c24; 
}

.dmp-status.status-soon { 
    background: #fff3cd; 
    color: #856404; 
}

.dmp-date {
    font-size: 12px;
    color: #666;
}

.dmp-document-content {
    margin-bottom: 15px;
    color: #666;
    line-height: 1.6;
}

.dmp-document-content p {
    margin: 0;
}

.dmp-document-details {
    margin-bottom: 15px;
}

.dmp-detail-item {
    display: flex;
    margin-bottom: 8px;
    font-size: 14px;
}

.dmp-detail-item label {
    font-weight: 600;
    min-width: 80px;
    margin-left: 10px;
    color: #444;
}

.dmp-detail-item span {
    color: #666;
}

.dmp-document-actions {
    display: flex;
    gap: 10px;
    padding-top: 15px;
    border-top: 1px solid #e1e5e9;
}

.dmp-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
    text-align: center;
}

.dmp-btn-edit {
    background: #2271b1;
    color: white;
}

.dmp-btn-edit:hover {
    background: #135e96;
    color: white;
}

.dmp-btn-delete {
    background: #d63638;
    color: white;
}

.dmp-btn-delete:hover {
    background: #b32d2e;
}

/* Load More Button Container */
.dmp-load-more-container {
    text-align: center;
    margin: 30px 0;
}

.dmp-load-more-btn {
    background: #2271b1;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s ease;
    min-width: 150px;
}

.dmp-load-more-btn:hover:not(:disabled) {
    background: #135e96;
}

.dmp-load-more-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

/* Loading Indicator */
.dmp-loading-indicator {
    display: none;
    text-align: center;
    padding: 20px;
}

.dmp-loading-spinner {
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #2271b1;
    border-radius: 50%;
    animation: dmp-spin 1s linear infinite;
    margin-bottom: 10px;
}

@keyframes dmp-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error Message */
.dmp-error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 6px;
    text-align: center;
    margin: 20px 0;
    border: 1px solid #f5c6cb;
}

/* Search and Filter Styles */
.dmp-search-filter-container {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    border: 1px solid #e1e5e9;
}

.dmp-search-filter-row {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.dmp-search-input,
.dmp-filter-select {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.dmp-search-input {
    flex: 1;
    min-width: 200px;
}

.dmp-filter-select {
    min-width: 120px;
}

/* Empty State */
.dmp-empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #666;
}

.dmp-empty-state h3 {
    margin: 0 0 10px 0;
    color: #444;
}

/* Responsive Design */
@media (max-width: 768px) {
    .dmp-documents-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .dmp-document-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .dmp-document-meta {
        align-items: flex-start;
        margin-top: 10px;
        margin-right: 0;
        flex-direction: row;
        gap: 10px;
    }
    
    .dmp-search-filter-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .dmp-search-input,
    .dmp-filter-select {
        width: 100%;
    }
    
    .dmp-document-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .dmp-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .dmp-document-item {
        padding: 15px;
    }
    
    .dmp-document-title {
        font-size: 16px;
    }
    
    .dmp-load-more-btn {
        width: 100%;
        padding: 15px;
    }
}

/* Animation for new items */
.dmp-document-item.dmp-new-item {
    animation: dmp-fade-in 0.5s ease-in-out;
}

@keyframes dmp-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading state for documents */
.dmp-documents-loading .dmp-document-item {
    opacity: 0.6;
    pointer-events: none;
}

/* Infinite scroll indicator */
.dmp-infinite-scroll-indicator {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(34, 113, 177, 0.9);
    color: white;
    padding: 10px 15px;
    border-radius: 20px;
    font-size: 12px;
    display: none;
    z-index: 1000;
}

.dmp-infinite-scroll-indicator.active {
    display: block;
}