/**
 * استایل‌های اصلی Modal Gallery هاست دانلود
 * طراحی مدرن با رنگ‌بندی آبی/سبز تیره
 * 
 * @package MLM DownloadHost
 * @version 1.0.0
 */

:root {
    --mlm-dh-primary: #2271b1;
    --mlm-dh-primary-dark: #135e96;
    --mlm-dh-success: #46b450;
    --mlm-dh-danger: #dc3232;
    --mlm-dh-warning: #f0b429;
    --mlm-dh-gray: #f0f0f1;
    --mlm-dh-border: #dcdcde;
    --mlm-dh-text: #1d2327;
    --mlm-dh-text-light: #646970;
}

/* Modal Overlay */
.mlm-dh-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999999;
    display: none;
    align-items: center;
    justify-content: center;
    animation: mlm-dh-fade-in 0.3s ease;
}

@keyframes mlm-dh-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Modal Container */
.mlm-dh-modal-container {
    background: #fff;
    width: 90%;
    max-width: 1200px;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    animation: mlm-dh-slide-up 0.3s ease;
}

@keyframes mlm-dh-slide-up {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Modal Header */
.mlm-dh-modal-header {
    padding: 25px 30px;
    border-bottom: 1px solid var(--mlm-dh-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, #fff, #f8f9fa);
}

.mlm-dh-modal-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: var(--mlm-dh-text);
}

.mlm-dh-modal-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    color: var(--mlm-dh-text-light);
    transition: all 0.2s;
    border-radius: 4px;
}

.mlm-dh-modal-close:hover {
    background: var(--mlm-dh-gray);
    color: var(--mlm-dh-text);
}

.mlm-dh-modal-close .dashicons {
    font-size: 28px;
    width: 28px;
    height: 28px;
}

/* Modal Tabs */
.mlm-dh-modal-tabs {
    display: flex;
    border-bottom: 2px solid var(--mlm-dh-border);
    background: #f8f9fa;
    padding: 0 30px;
}

.mlm-dh-tab-btn {
    background: none;
    border: none;
    padding: 15px 25px;
    cursor: pointer;
    font-size: 15px;
    color: var(--mlm-dh-text-light);
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.mlm-dh-tab-btn:hover {
    color: var(--mlm-dh-primary);
    background: rgba(34, 113, 177, 0.05);
}

.mlm-dh-tab-btn.active {
    color: var(--mlm-dh-primary);
    border-bottom-color: var(--mlm-dh-primary);
    background: #fff;
}

/* Modal Body */
.mlm-dh-modal-body {
    padding: 30px;
    overflow-y: auto;
    flex: 1;
    background: #fff;
}

.mlm-dh-tab-content {
    display: none;
}

.mlm-dh-tab-content.active {
    display: block;
    animation: mlm-dh-fade-in 0.3s ease;
}

/* Library Toolbar */
.mlm-dh-library-toolbar {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.mlm-dh-search-input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--mlm-dh-border);
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s;
}

.mlm-dh-search-input:focus {
    border-color: var(--mlm-dh-primary);
    box-shadow: 0 0 0 3px rgba(34, 113, 177, 0.1);
    outline: none;
}

.mlm-dh-sort-select {
    padding: 10px 15px;
    border: 1px solid var(--mlm-dh-border);
    border-radius: 6px;
    font-size: 14px;
    min-width: 180px;
}

/* Library Grid */
.mlm-dh-library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 20px;
    min-height: 400px;
}

.mlm-dh-file-item {
    border: 2px solid var(--mlm-dh-border);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
    background: #fff;
}

.mlm-dh-file-item:hover {
    border-color: var(--mlm-dh-primary);
    box-shadow: 0 4px 12px rgba(34, 113, 177, 0.15);
    transform: translateY(-2px);
}

.mlm-dh-file-item.selected {
    border-color: var(--mlm-dh-primary);
    background: rgba(34, 113, 177, 0.05);
}

.mlm-dh-file-preview {
    position: relative;
    padding-top: 100%;
    background: var(--mlm-dh-gray);
    overflow: hidden;
}

.mlm-dh-file-preview img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mlm-dh-file-preview .dashicons {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 64px;
    width: 64px;
    height: 64px;
    color: var(--mlm-dh-text-light);
}

.mlm-dh-file-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    opacity: 0;
    transition: opacity 0.3s;
}

.mlm-dh-file-item:hover .mlm-dh-file-actions {
    opacity: 1;
}

.mlm-dh-file-select {
    background: var(--mlm-dh-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
}

.mlm-dh-file-select:hover {
    background: var(--mlm-dh-primary-dark);
    transform: scale(1.1);
}

.mlm-dh-file-info {
    padding: 12px;
}

.mlm-dh-file-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--mlm-dh-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 5px;
}

.mlm-dh-file-meta {
    font-size: 11px;
    color: var(--mlm-dh-text-light);
}

/* Dropzone */
.mlm-dh-dropzone {
    border: 3px dashed var(--mlm-dh-border);
    border-radius: 12px;
    padding: 60px 40px;
    text-align: center;
    background: #f8f9fa;
    transition: all 0.3s;
    min-height: 400px;
}

.mlm-dh-dropzone:hover,
.mlm-dh-dropzone.dragover {
    border-color: var(--mlm-dh-primary);
    background: rgba(34, 113, 177, 0.05);
}

.mlm-dh-dropzone-message {
    margin-bottom: 30px;
}

.mlm-dh-dropzone-message .dashicons {
    font-size: 80px;
    width: 80px;
    height: 80px;
    color: var(--mlm-dh-primary);
    margin-bottom: 20px;
}

.mlm-dh-dropzone-message h3 {
    font-size: 20px;
    margin: 15px 0 10px;
    color: var(--mlm-dh-text);
}

.mlm-dh-dropzone-message p {
    color: var(--mlm-dh-text-light);
    margin-bottom: 20px;
}

/* Upload List */
.mlm-dh-upload-list {
    margin-top: 30px;
}

.mlm-dh-upload-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #fff;
    border: 1px solid var(--mlm-dh-border);
    border-radius: 8px;
    margin-bottom: 12px;
    transition: all 0.3s;
}

.mlm-dh-upload-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.mlm-dh-upload-item.success {
    border-color: var(--mlm-dh-success);
    background: rgba(70, 180, 80, 0.05);
}

.mlm-dh-upload-item.error {
    border-color: var(--mlm-dh-danger);
    background: rgba(220, 50, 50, 0.05);
}

.mlm-dh-upload-icon .dashicons {
    font-size: 40px;
    width: 40px;
    height: 40px;
    color: var(--mlm-dh-text-light);
}

.mlm-dh-upload-details {
    flex: 1;
}

.mlm-dh-upload-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--mlm-dh-text);
    margin-bottom: 5px;
}

.mlm-dh-upload-size {
    font-size: 12px;
    color: var(--mlm-dh-text-light);
    margin-bottom: 8px;
}

.mlm-dh-upload-progress {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mlm-dh-progress-bar {
    flex: 1;
    height: 8px;
    background: var(--mlm-dh-gray);
    border-radius: 4px;
    overflow: hidden;
}

.mlm-dh-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--mlm-dh-primary), #4facfe);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.mlm-dh-progress-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--mlm-dh-primary);
    min-width: 40px;
    text-align: left;
}

/* Pagination */
.mlm-dh-library-pagination {
    margin-top: 30px;
    display: flex;
    justify-content: center;
}

.mlm-dh-pagination-buttons {
    display: flex;
    gap: 8px;
    align-items: center;
}

.mlm-dh-pagination-buttons button {
    min-width: 40px;
    height: 40px;
    border-radius: 6px;
}

/* Modal Footer */
.mlm-dh-modal-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--mlm-dh-border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background: #f8f9fa;
}

/* Loading */
.mlm-dh-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: var(--mlm-dh-text-light);
}

.mlm-dh-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--mlm-dh-gray);
    border-top-color: var(--mlm-dh-primary);
    border-radius: 50%;
    animation: mlm-dh-spin 1s linear infinite;
    margin-bottom: 20px;
}

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

/* Empty State */
.mlm-dh-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    color: var(--mlm-dh-text-light);
    font-size: 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .mlm-dh-modal-container {
        width: 95%;
        max-height: 95vh;
    }
    
    .mlm-dh-library-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 15px;
    }
    
    .mlm-dh-modal-header h2 {
        font-size: 20px;
    }
    
    .mlm-dh-modal-body {
        padding: 20px;
    }
    
    .mlm-dh-library-toolbar {
        flex-direction: column;
    }
    
    .mlm-dh-folder-info {
        padding: 15px !important;
    }
    
    .mlm-dh-folder-info > div:first-child {
        flex-direction: column;
        text-align: center;
    }
    
    .mlm-dh-folder-info h3 {
        font-size: 16px !important;
    }
}

/* Folder Info Box */
.mlm-dh-folder-info {
    animation: slideDown 0.3s ease-out;
}

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

.mlm-dh-folder-info #mlm-dh-folder-label,
.mlm-dh-folder-info #mlm-dh-folder-max-size,
.mlm-dh-folder-info #mlm-dh-folder-allowed-types {
    transition: all 0.3s ease;
}

.mlm-dh-folder-info:hover {
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4) !important;
}