/* ============================================
   CONSTRUCTION SITE MULTI UPLOADER - FRONTEND
   Version: 1.0.5
   ============================================ */

/* ========== VARIABLES ========== */
:root {
    --csmu-primary: #2c3e50;
    --csmu-secondary: #3498db;
    --csmu-success: #27ae60;
    --csmu-warning: #f39c12;
    --csmu-danger: #e74c3c;
    --csmu-info: #17a2b8;
    --csmu-light: #f8f9fa;
    --csmu-dark: #343a40;
    --csmu-border: #dee2e6;
    --csmu-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --csmu-radius-sm: 4px;
    --csmu-radius-md: 8px;
    --csmu-radius-lg: 12px;
    --csmu-transition: all 0.3s ease;
}

/* ========== RESET & BASE ========== */
.csmu-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.csmu-upload-form, 
.csmu-gallery {
    background: white;
    border-radius: var(--csmu-radius-lg);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin-bottom: 40px;
}

.csmu-upload-form h2,
.csmu-gallery h2 {
    color: var(--csmu-primary);
    margin-top: 0;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--csmu-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ========== ALERT MESSAGES ========== */
.csmu-alert {
    padding: 15px 20px;
    margin-bottom: 25px;
    border-radius: var(--csmu-radius-md);
    border-left: 5px solid;
    animation: csmu-fadeIn 0.3s ease;
}

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

.csmu-alert.csmu-success {
    background: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.csmu-alert.csmu-error {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.csmu-alert.csmu-error ul {
    margin: 10px 0 0 20px;
    padding: 0;
}

.csmu-alert.csmu-error li {
    margin: 5px 0;
}

/* ========== UPLOAD FORM ========== */
.csmu-form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.csmu-form-group {
    margin-bottom: 20px;
}

.csmu-form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--csmu-dark);
    font-size: 14px;
}

.csmu-form-group input,
.csmu-form-group select,
.csmu-form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--csmu-border);
    border-radius: var(--csmu-radius-md);
    font-size: 15px;
    transition: var(--csmu-transition);
    background: white;
}

.csmu-form-group input:focus,
.csmu-form-group select:focus,
.csmu-form-group textarea:focus {
    outline: none;
    border-color: var(--csmu-secondary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.csmu-form-group small {
    display: block;
    margin-top: 5px;
    color: #6c757d;
    font-size: 12px;
}

/* File Upload */
.csmu-file-upload {
    border: 3px dashed var(--csmu-border);
    padding: 40px 30px;
    text-align: center;
    cursor: pointer;
    border-radius: var(--csmu-radius-lg);
    transition: var(--csmu-transition);
    background: var(--csmu-light);
}

.csmu-file-upload:hover {
    border-color: var(--csmu-secondary);
    background: #e3f2fd;
}

.csmu-file-drop p {
    margin: 8px 0;
    color: #6c757d;
}

.csmu-file-list {
    margin-top: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

/* Submit Button */
.csmu-submit-btn {
    background: linear-gradient(135deg, var(--csmu-success), #2ecc71);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--csmu-transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.csmu-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(39, 174, 96, 0.3);
}

/* Reset Button */
.csmu-reset-btn {
    background: #f39c12;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-left: 10px;
}

.csmu-reset-btn:hover {
    background: #e67e22;
    transform: translateY(-2px);
}

/* ========== GALLERY TABLE ========== */
.csmu-gallery-description {
    background: #f8f9fa;
    padding: 12px 15px;
    border-radius: 8px;
    margin: 15px 0 20px;
    border-left: 4px solid #3498db;
    font-size: 15px;
}

/* Mobile Scroll Hint */
.csmu-mobile-scroll-hint {
    display: none;
    background: linear-gradient(135deg, var(--csmu-secondary), #2980b9);
    color: white;
    padding: 12px;
    border-radius: var(--csmu-radius-md);
    margin: 15px 0;
    text-align: center;
    font-weight: 600;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.csmu-scroll-icon {
    font-size: 20px;
    animation: csmu-bounce 2s infinite;
}

@keyframes csmu-bounce {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(10px); }
}

/* Table Container */
.csmu-table-container {
    position: relative;
    margin: 20px 0;
    border-radius: var(--csmu-radius-lg);
    overflow: hidden;
    border: 2px solid var(--csmu-border);
}

.csmu-table-wrapper {
    overflow-x: auto;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    touch-action: pan-x;
    scrollbar-width: none;
}

.csmu-table-wrapper::-webkit-scrollbar {
    display: none;
}

/* Scroll Indicator */
.csmu-scroll-indicator {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: #f1f1f1;
    display: none;
}

.csmu-scroll-track {
    width: 100%;
    height: 100%;
    position: relative;
}

.csmu-scroll-thumb {
    position: absolute;
    height: 100%;
    background: var(--csmu-secondary);
    border-radius: 3px;
    min-width: 50px;
    transition: left 0.1s;
}

/* Table Styles */
.csmu-table {
    min-width: 1300px;
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 0;
}

.csmu-table th {
    background: linear-gradient(135deg, var(--csmu-primary), #34495e);
    color: white;
    padding: 16px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    position: sticky;
    top: 0;
    z-index: 10;
    border: none;
    white-space: nowrap;
}

.csmu-table td {
    padding: 16px 12px;
    border-bottom: 1px solid var(--csmu-border);
    vertical-align: middle;
    font-size: 14px;
}

.csmu-table tbody tr:hover {
    background-color: var(--csmu-light);
}

/* Column Widths */
.csmu-sticky-col {
    position: sticky;
    left: 0;
    background: white;
    z-index: 100;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    min-width: 50px !important;
    width: 50px;
    text-align: center;
}

.csmu-sticky-col-right {
    position: sticky;
    right: 0;
    background: white;
    z-index: 100;
    box-shadow: -2px 0 5px rgba(0,0,0,0.1);
    min-width: 60px !important;
    width: 60px;
}

.csmu-compact-col {
    min-width: 80px;
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Specific Column Styles */
.csmu-date-col { 
    min-width: 70px;
    max-width: 80px;
    font-weight: 600;
    color: var(--csmu-primary);
}

.csmu-location-col { 
    min-width: 120px;
    max-width: 150px;
}

.csmu-location-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.csmu-workers-col { 
    min-width: 60px;
    max-width: 80px;
    text-align: center;
    font-weight: 600;
    color: var(--csmu-primary);
}

.csmu-time-col { 
    min-width: 100px;
    max-width: 120px;
    font-size: 13px;
    white-space: nowrap;
}

.csmu-supervisor-col { 
    min-width: 100px;
    max-width: 130px;
}

.csmu-supervisor-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* NEW COLUMNS */
.csmu-money-col {
    min-width: 100px;
    max-width: 120px;
    text-align: right;
    font-weight: 600;
    color: var(--csmu-success);
}

.csmu-status-col {
    min-width: 100px;
    max-width: 120px;
}

.csmu-images-col { 
    min-width: 130px;
    max-width: 150px;
}

.csmu-notes-col { 
    min-width: 150px;
    max-width: 200px;
}

.csmu-actions-col { 
    min-width: 60px;
    max-width: 80px;
}

/* Status Badges */
.csmu-status-badge {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 11px;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    border: 1px solid;
    transition: var(--csmu-transition);
}

.csmu-status-badge.csmu-status-approved {
    background-color: #d4edda;
    color: #155724;
    border-color: #c3e6cb;
}

.csmu-status-badge.csmu-status-pending {
    background-color: #fff3cd;
    color: #856404;
    border-color: #ffeaa7;
}

.csmu-status-badge.csmu-status-not-submitted {
    background-color: #f8d7da;
    color: #721c24;
    border-color: #f5c6cb;
}

/* Images Info */
.csmu-images-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.csmu-image-count {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--csmu-light);
    padding: 6px 12px;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--csmu-transition);
    font-size: 13px;
    width: fit-content;
}

.csmu-image-count:hover {
    background: var(--csmu-secondary);
    color: white;
}

.csmu-count-number {
    font-weight: 700;
    font-size: 14px;
}

.csmu-image-actions {
    display: flex;
    gap: 6px;
}

.csmu-btn-small {
    padding: 6px 12px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 12px;
    transition: var(--csmu-transition);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    min-width: 30px;
    justify-content: center;
}

.csmu-view-btn {
    background: var(--csmu-secondary);
    color: white;
}

.csmu-view-btn:hover {
    background: #2980b9;
    transform: scale(1.05);
}

.csmu-download-all-btn {
    background: var(--csmu-success);
    color: white;
}

.csmu-download-all-btn:hover {
    background: #219653;
    transform: scale(1.05);
}

/* Notes */
.csmu-notes-content {
    font-size: 13px;
    line-height: 1.4;
    color: #6c757d;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.csmu-read-more {
    color: var(--csmu-secondary);
    cursor: pointer;
    font-weight: 600;
    font-size: 11px;
}

.csmu-no-notes {
    color: #95a5a6;
    font-style: italic;
}

/* Action Buttons */
.csmu-action-buttons {
    display: flex;
    gap: 6px;
    justify-content: center;
}

.csmu-quick-view-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 6px;
    background: var(--csmu-info);
    color: white;
    cursor: pointer;
    font-size: 14px;
    transition: var(--csmu-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.csmu-quick-view-btn:hover {
    background: #138496;
    transform: scale(1.1);
}

/* Empty State */
.csmu-empty-state {
    text-align: center;
    padding: 40px;
    background: var(--csmu-light);
    border-radius: 8px;
    color: #6c757d;
}

/* ========== MODALS ========== */
.csmu-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.csmu-modal-content {
    background: white;
    border-radius: 15px;
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.csmu-quick-modal {
    max-width: 600px;
}

.csmu-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    background: linear-gradient(135deg, var(--csmu-primary), #34495e);
    color: white;
}

.csmu-close-modal {
    font-size: 30px;
    cursor: pointer;
    line-height: 1;
    transition: transform 0.3s;
    background: none;
    border: none;
    color: white;
}

.csmu-close-modal:hover {
    transform: scale(1.2);
}

.csmu-modal-body {
    padding: 30px;
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

/* Gallery Controls */
.csmu-gallery-controls {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.csmu-gallery-controls button {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

#csmu-select-all {
    background: var(--csmu-light);
    color: var(--csmu-primary);
}

#csmu-download-selected {
    background: var(--csmu-success);
    color: white;
}

#csmu-download-all {
    background: var(--csmu-secondary);
    color: white;
}

.csmu-gallery-controls button:hover {
    transform: translateY(-2px);
}

/* Gallery Grid */
.csmu-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
}

.csmu-gallery-item {
    border: 3px solid transparent;
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
}

.csmu-gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.csmu-gallery-item.selected {
    border-color: var(--csmu-success);
}

.csmu-gallery-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

/* ========== RESPONSIVE DESIGN ========== */
/* DESKTOP: > 1200px (default styles above) */

/* TABLET: 992px - 1200px */
@media (max-width: 1200px) {
    .csmu-form-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .csmu-table {
        min-width: 1200px;
    }
}

/* TABLET: 769px - 991px */
@media (max-width: 991px) {
    .csmu-upload-form, .csmu-gallery {
        padding: 20px;
    }
    
    .csmu-form-row {
        grid-template-columns: 1fr;
    }
    
    .csmu-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}

/* ========== MOBILE FULL WIDTH WITH 1px GUTTER ========== */
@media (max-width: 768px) {
    /* Reset các container cha của WordPress */
    body .site-main,
    body .content-area,
    body .entry-content,
    .wp-site-blocks,
    .wp-block-group__inner-container {
        padding: 0 !important;
        margin: 0 !important;
        max-width: 100% !important;
        overflow-x: hidden !important;
    }
    
    /* Container chính - tràn full màn hình với 1px gutter */
    .csmu-container {
        width: 100vw !important;
        margin: 0 calc(-50vw + 50%) !important;
        padding: 0 1px !important;
        box-sizing: border-box !important;
        position: relative !important;
        left: 0 !important;
        right: 0 !important;
    }
    
    /* Form và Gallery - fit trong container với 1px gutter */
    .csmu-upload-form, 
    .csmu-gallery {
        margin: 15px 1px 20px 1px !important;
        padding: 15px;
        width: calc(100% - 2px) !important;
        max-width: none !important;
        border-radius: 10px;
        box-sizing: border-box !important;
    }
    
    /* Headers của form và gallery */
    .csmu-upload-form h2,
    .csmu-gallery h2 {
        font-size: 1.2rem;
        padding: 0 0 10px 0;
        margin-bottom: 15px;
    }
    
    /* Show mobile scroll hint */
    .csmu-mobile-scroll-hint {
        display: flex;
        margin: 15px 1px;
        width: calc(100% - 2px);
    }
    
    /* Table container */
    .csmu-table-container {
        margin: 15px 1px !important;
        width: calc(100% - 2px) !important;
        border: 1px solid var(--csmu-border);
        border-radius: 8px;
        overflow: hidden;
    }
    
    /* Table wrapper */
    .csmu-table-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Table adjustments */
    .csmu-table {
        min-width: 1100px;
        margin: 0;
    }
    
    .csmu-table th,
    .csmu-table td {
        padding: 12px 8px;
        font-size: 13px;
    }
    
    /* Column adjustments */
    .csmu-compact-col {
        min-width: 70px;
        max-width: 100px;
    }
    
    .csmu-money-col {
        min-width: 90px;
        max-width: 110px;
    }
    
    .csmu-status-col {
        min-width: 90px;
        max-width: 110px;
    }
    
    .csmu-status-badge {
        font-size: 10px;
        padding: 4px 8px;
    }
    
    .csmu-images-col {
        min-width: 110px;
        max-width: 130px;
    }
    
    .csmu-notes-col {
        min-width: 120px;
        max-width: 160px;
    }
    
    .csmu-time-col {
        min-width: 80px;
        max-width: 90px;
        font-size: 12px;
    }
    
    /* Form adjustments */
    .csmu-form-group {
        margin-bottom: 15px;
    }
    
    .csmu-form-group input,
    .csmu-form-group select,
    .csmu-form-group textarea {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .csmu-reset-btn {
        margin-left: 0;
        margin-top: 10px;
        width: 100%;
    }
    
    /* Submit button full width */
    .csmu-submit-btn {
        width: 100% !important;
        padding: 12px 20px;
        justify-content: center;
    }
    
    /* Gallery controls */
    .csmu-gallery-controls {
        flex-direction: column;
        margin: 0 1px 15px;
    }
    
    .csmu-gallery-controls button {
        width: 100%;
        justify-content: center;
    }
    
    /* Gallery grid */
    .csmu-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 10px;
        margin: 0 1px;
    }
    
    /* Modal adjustments */
    .csmu-modal {
        padding: 10px;
    }
    
    .csmu-modal-content {
        max-height: 95vh;
        border-radius: 8px;
    }
    
    .csmu-modal-header {
        padding: 15px;
    }
    
    .csmu-modal-body {
        padding: 15px;
    }
    
    /* Hide scroll indicator on very small screens */
    .csmu-scroll-indicator {
        display: block;
    }
}

/* SMALL MOBILE: ≤ 480px */
@media (max-width: 480px) {
    .csmu-upload-form, 
    .csmu-gallery {
        margin: 10px 1px 15px 1px !important;
        padding: 12px;
        border-radius: 8px;
    }
    
    .csmu-file-upload {
        padding: 20px 15px;
    }
    
    .csmu-submit-btn {
        padding: 12px 15px;
        font-size: 15px;
    }
    
    .csmu-table {
        min-width: 1000px;
    }
    
    .csmu-table th {
        font-size: 12px;
        padding: 10px 6px;
    }
    
    .csmu-table td {
        padding: 10px 6px;
        font-size: 12px;
    }
    
    .csmu-mobile-scroll-hint {
        font-size: 14px;
        padding: 10px;
    }
    
    .csmu-scroll-icon {
        font-size: 18px;
    }
    
    .csmu-time-col {
        min-width: 70px;
        max-width: 80px;
        font-size: 11px;
    }
    
    .csmu-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* VERY SMALL MOBILE: ≤ 360px */
@media (max-width: 360px) {
    .csmu-upload-form, 
    .csmu-gallery {
        margin: 8px 1px 12px 1px !important;
        padding: 10px;
    }
    
    .csmu-table {
        min-width: 950px;
    }
    
    .csmu-table th {
        font-size: 11px;
        padding: 8px 5px;
    }
    
    .csmu-table td {
        padding: 8px 5px;
        font-size: 11px;
    }
    
    .csmu-compact-col {
        min-width: 60px;
        max-width: 90px;
    }
    
    .csmu-images-col {
        min-width: 100px;
        max-width: 120px;
    }
    
    .csmu-image-count {
        font-size: 11px;
        padding: 4px 8px;
    }
    
    .csmu-btn-small {
        font-size: 10px;
        padding: 3px 6px;
        min-width: 24px;
    }
    
    .csmu-gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 8px;
    }
}

/* ========== UTILITY CLASSES ========== */
.csmu-text-right { text-align: right; }
.csmu-text-center { text-align: center; }
.csmu-text-left { text-align: left; }

.csmu-mb-0 { margin-bottom: 0 !important; }
.csmu-mt-0 { margin-top: 0 !important; }
.csmu-mb-10 { margin-bottom: 10px; }
.csmu-mb-20 { margin-bottom: 20px; }
.csmu-mb-30 { margin-bottom: 30px; }

/* Loading Spinner */
.csmu-spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--csmu-secondary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: csmu-spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

/* Field Errors */
.csmu-field-error {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 5px;
    animation: csmu-fadeIn 0.3s;
}

input.csmu-error, 
select.csmu-error, 
textarea.csmu-error {
    border-color: #e74c3c !important;
}

/* Cursor classes for dragging */
.csmu-dragging { cursor: grabbing !important; }
.csmu-touching { cursor: grabbing !important; }

/* ========== FIX FOR HORIZONTAL SCROLL ========== */
@media (max-width: 768px) {
    html, body {
        overflow-x: hidden !important;
        max-width: 100vw !important;
        position: relative !important;
    }
    
    body {
        padding: 0 !important;
        margin: 0 !important;
    }
    
    /* Ensure all portal elements fit */
    .csmu-container * {
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
}
/* Lightbox Styles */
.csmu-lightbox {
    display: none !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 999999;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.csmu-lightbox.active {
    display: flex !important;
    opacity: 1;
}

.csmu-lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.csmu-lightbox-img {
    display: block;
    max-width: 100%;
    max-height: 70vh;
    margin: 0 auto;
}

.csmu-lightbox-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0,0,0,0.7);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.csmu-lightbox-close:hover {
    background: rgba(0,0,0,0.9);
    transform: scale(1.1);
}

.csmu-lightbox-info {
    padding: 15px 20px;
    background: #f8f9fa;
    border-top: 1px solid #dee2e6;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.csmu-lightbox-filename {
    font-weight: 600;
    color: #2c3e50;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 70%;
}

.csmu-lightbox-actions {
    display: flex;
    gap: 10px;
}

.csmu-lightbox-download {
    background: #2ecc71;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    text-decoration: none;
}

.csmu-lightbox-download:hover {
    background: #27ae60;
    transform: translateY(-2px);
}

.csmu-lightbox-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.csmu-lightbox-prev,
.csmu-lightbox-next {
    pointer-events: all;
    background: rgba(0,0,0,0.7);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.csmu-lightbox-prev:hover,
.csmu-lightbox-next:hover {
    background: rgba(0,0,0,0.9);
    transform: scale(1.1);
}

.csmu-lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
}