/* User Private File Management CSS */
.upf-container {
    background: linear-gradient(135deg, #1f1f1f 0%, #2d2d2d 100%);
    border-radius: 15px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    color: #ffffff;
    font-family: 'yekanlight', sans-serif;
    direction: rtl;
}

/* Header */
.upf-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e2b94c;
}

.upf-title {
    color: #e2b94c;
    font-family: 'dana', sans-serif;
    font-size: 1.8rem;
    margin: 0;
}

.upf-stats {
    display: flex;
    gap: 15px;
    align-items: center;
    font-size: 0.9rem;
    color: #cccccc;
}

.upf-stat-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Toolbar */
.upf-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.upf-toolbar-left {
    display: flex;
    gap: 10px;
    align-items: center;
}

.upf-toolbar-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Search */
.upf-search-container {
    position: relative;
}

.upf-search {
    background-color: #2a2a2a;
    border: 1px solid #3a3a3a;
    color: #ffffff;
    border-radius: 8px;
    padding: 8px 40px 8px 15px;
    width: 250px;
    transition: border-color 0.3s ease;
}

    .upf-search:focus {
        border-color: #e2b94c;
        outline: none;
        box-shadow: 0 0 5px rgba(226, 185, 76, 0.3);
    }

.upf-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #888888;
    pointer-events: none;
}

/* Filters */
.upf-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.upf-filter-btn {
    background: transparent;
    border: 1px solid #3a3a3a;
    color: #cccccc;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85rem;
}

    .upf-filter-btn:hover {
        border-color: #e2b94c;
        color: #e2b94c;
    }

    .upf-filter-btn.active {
        background-color: #e2b94c;
        border-color: #e2b94c;
        color: #1a1a1a;
    }

/* View mode toggle */
.upf-view-toggle {
    display: flex;
    background-color: #2a2a2a;
    border-radius: 6px;
    padding: 2px;
}

.upf-view-btn {
    background: transparent;
    border: none;
    color: #cccccc;
    padding: 6px 10px;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

    .upf-view-btn.active {
        background-color: #e2b94c;
        color: #1a1a1a;
    }

/* Breadcrumb */
.upf-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #cccccc;
}

.upf-breadcrumb-item {
    cursor: pointer;
    transition: color 0.3s ease;
}

    .upf-breadcrumb-item:hover {
        color: #e2b94c;
    }

.upf-breadcrumb-separator {
    color: #666666;
}

/* Grid View */
.upf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.upf-card {
    background: linear-gradient(135deg, #2a2a2a 0%, #3a3a3a 100%);
    border: 1px solid #4a4a4a;
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

    .upf-card:hover {
        border-color: #e2b94c;
        box-shadow: 0 5px 15px rgba(226, 185, 76, 0.2);
        transform: translateY(-2px);
    }

    .upf-card.selected {
        border-color: #e2b94c;
        background: linear-gradient(135deg, #e2b94c20 0%, #e2b94c10 100%);
    }

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

.upf-card-info {
    flex: 1;
}

.upf-card-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.upf-card-icon {
    font-size: 2rem;
    color: #e2b94c;
    margin-bottom: 10px;
}

.upf-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
    line-height: 1.4;
}

.upf-card-abstract {
    color: #cccccc;
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.upf-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #888888;
    margin-top: 15px;
    padding-top: 12px;
    border-top: 1px solid #3a3a3a;
}

.upf-card-date {
    display: flex;
    align-items: center;
    gap: 5px;
}

.upf-card-tags {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
}

.upf-tag {
    background-color: #4a4a4a;
    color: #cccccc;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* Action buttons */
.upf-btn {
    background: transparent;
    border: 1px solid #3a3a3a;
    color: #cccccc;
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

    .upf-btn:hover {
        border-color: #e2b94c;
        color: #e2b94c;
    }

.upf-btn-primary {
    background-color: #e2b94c;
    border-color: #e2b94c;
    color: #1a1a1a;
}

    .upf-btn-primary:hover {
        background-color: #d4a23f;
        border-color: #d4a23f;
    }

.upf-btn-favorite {
    color: #ffd700;
    border-color: #ffd700;
}

    .upf-btn-favorite.active {
        background-color: #ffd700;
        color: #1a1a1a;
    }

.upf-btn-sm {
    padding: 4px 8px;
    font-size: 0.75rem;
}

/* List View */
.upf-list {
    background-color: #2a2a2a;
    border-radius: 8px;
    overflow: hidden;
}

.upf-list-header {
    background-color: #e2b94c;
    color: #1a1a1a;
    padding: 12px 15px;
    font-weight: 600;
    display: grid;
    grid-template-columns: 40px 1fr 100px 120px 80px 120px;
    gap: 15px;
    align-items: center;
}

.upf-list-item {
    padding: 12px 15px;
    border-bottom: 1px solid #3a3a3a;
    display: grid;
    grid-template-columns: 40px 1fr 100px 120px 80px 120px;
    gap: 15px;
    align-items: center;
    transition: background-color 0.3s ease;
    cursor: pointer;
}

    .upf-list-item:hover {
        background-color: #3a3a3a;
    }

    .upf-list-item.selected {
        background-color: rgba(226, 185, 76, 0.1);
    }

.upf-list-checkbox {
    display: flex;
    justify-content: center;
}

.upf-list-name {
    font-weight: 500;
    color: #ffffff;
}

.upf-list-type {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #cccccc;
}

.upf-list-date {
    color: #888888;
    font-size: 0.85rem;
}

.upf-list-actions {
    display: flex;
    gap: 5px;
    justify-content: center;
}

/* Checkboxes */
.upf-checkbox {
    width: 16px;
    height: 16px;
    accent-color: #e2b94c;
}

/* Modals */
.upf-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

    .upf-modal.show {
        opacity: 1;
        visibility: visible;
    }

.upf-modal-content {
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
    border-radius: 15px;
    padding: 25px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    border: 2px solid #e2b94c;
    color: #ffffff;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.upf-modal.show .upf-modal-content {
    transform: scale(1);
}

.upf-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #3a3a3a;
}

.upf-modal-title {
    color: #e2b94c;
    font-size: 1.4rem;
    margin: 0;
}

.upf-modal-close {
    background: transparent;
    border: none;
    color: #cccccc;
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

    .upf-modal-close:hover {
        color: #e2b94c;
    }

.upf-modal-body {
    margin-bottom: 20px;
}

.upf-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 15px;
    border-top: 1px solid #3a3a3a;
}

/* Form controls */
.upf-form-group {
    margin-bottom: 15px;
}

.upf-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #cccccc;
}

.upf-input,
.upf-textarea,
.upf-select {
    width: 100%;
    background-color: #2a2a2a;
    border: 1px solid #3a3a3a;
    color: #ffffff;
    border-radius: 6px;
    padding: 8px 12px;
    transition: border-color 0.3s ease;
}

    .upf-input:focus,
    .upf-textarea:focus,
    .upf-select:focus {
        border-color: #e2b94c;
        outline: none;
        box-shadow: 0 0 5px rgba(226, 185, 76, 0.3);
    }

.upf-textarea {
    min-height: 100px;
    resize: vertical;
}

.upf-checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Bulk operations toolbar */
.upf-bulk-toolbar {
    background-color: #e2b94c;
    color: #1a1a1a;
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    display: none;
    align-items: center;
    justify-content: space-between;
}

    .upf-bulk-toolbar.show {
        display: flex;
    }

.upf-bulk-info {
    font-weight: 600;
}

.upf-bulk-actions {
    display: flex;
    gap: 10px;
}

.upf-bulk-btn {
    background-color: #1a1a1a;
    color: #e2b94c;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.85rem;
}

    .upf-bulk-btn:hover {
        background-color: #2a2a2a;
    }

/* Loading states */
.upf-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: #cccccc;
}

.upf-spinner {
    border: 3px solid #3a3a3a;
    border-top: 3px solid #e2b94c;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: upf-spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes upf-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Empty state */
.upf-empty {
    text-align: center;
    padding: 60px 20px;
    color: #888888;
}

.upf-empty-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #3a3a3a;
}

.upf-empty-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #cccccc;
}

.upf-empty-text {
    margin-bottom: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .upf-container {
        padding: 15px;
        margin: 10px 0;
    }

    .upf-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .upf-toolbar-left,
    .upf-toolbar-right {
        justify-content: center;
    }

    .upf-search {
        width: 100%;
    }

    .upf-grid {
        grid-template-columns: 1fr;
    }

    .upf-list-header,
    .upf-list-item {
        grid-template-columns: 30px 1fr 80px 80px;
        gap: 10px;
    }

    .upf-list-type,
    .upf-list-date {
        display: none;
    }

    .upf-modal-content {
        width: 95%;
        padding: 20px;
    }

    .upf-bulk-toolbar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

/* Encryption indicator */
.upf-encrypted {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: #dc3545;
    color: #ffffff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 3px;
}

/* Password modal */
.upf-password-modal .upf-modal-content {
    max-width: 400px;
}

.upf-password-input {
    margin-bottom: 15px;
}

/* Success states */
.upf-success {
    color: #28a745;
}

.upf-error {
    color: #dc3545;
}

.upf-warning {
    color: #ffc107;
}

/* Style for non-editable indicator */
.upf-non-editable-badge {
    background: #6c757d;
    color: white;
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    opacity: 0.8;
}

/* ===== Non-editable file card styling */

.upf-card[data-editable="false"] {
    background: linear-gradient(135deg, #2a2a2a 0%, #383838 100%);
    border-color: #555555;
}

    .upf-card[data-editable="false"]:hover {
        border-color: #777777;
    }

.upf-non-editable-icon {
    color: #6c757d !important;
}

/* List view non-editable indicator */
.upf-muted {
    color: #6c757d;
    opacity: 0.7;
}

/* Hide edit button for non-editable files in hover state */
.upf-card[data-editable="false"] .upf-btn-edit,
.upf-list-item[data-editable="false"] .upf-btn-edit {
    display: none !important;
}

/* Dim non-editable files slightly */
.upf-card[data-editable="false"] {
    position: relative;
}

    .upf-card[data-editable="false"]::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(108, 117, 125, 0.05);
        pointer-events: none;
        border-radius: 8px;
    }