/* Admin Review Sessions Page */

.admin-review-sessions-page {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.admin-review-sessions-page .page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.admin-review-sessions-page .page-header .header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-review-sessions-page .page-header .header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.admin-review-sessions-page .header-quick-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
}

.admin-review-sessions-page .header-quick-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.admin-review-sessions-page .header-quick-link .material-icons-outlined {
    font-size: 18px;
}

.admin-review-sessions-page .back-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
}

.admin-review-sessions-page .back-link:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.admin-review-sessions-page h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stats-row .stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
}

.stats-row .stat-card:hover {
    border-color: var(--accent-primary);
}

.stats-row .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stats-row .stat-icon.open {
    background: rgba(99, 102, 241, 0.15);
    color: #6366f1;
}

.stats-row .stat-icon.awaiting-user {
    background: rgba(240, 178, 50, 0.15);
    color: #f0b232;
}

.stats-row .stat-icon.awaiting-admin {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.stats-row .stat-icon.total {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.stats-row .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.stats-row .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Filters Bar */
.filters-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
}

.filter-buttons {
    display: flex;
    gap: 4px;
}

.filter-btn {
    padding: 8px 16px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
}

.filter-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--accent-primary);
    color: white;
}

.btn-refresh {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
}

.btn-refresh:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Sessions List */
.sessions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.session-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
}

.session-card:hover {
    border-color: var(--accent-primary);
}

.session-card-main {
    display: flex;
    align-items: center;
    gap: 16px;
}

.session-user {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.session-user .user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.session-user .user-email {
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.session-status {
    flex-shrink: 0;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.open {
    background: rgba(99, 102, 241, 0.15);
    color: #6366f1;
}

.status-badge.awaitinguser {
    background: rgba(240, 178, 50, 0.15);
    color: #f0b232;
}

.status-badge.awaitingadmin {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.status-badge.resolved {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.session-deadline {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.session-deadline .material-icons-outlined {
    font-size: 16px;
}

.session-deadline.warning {
    color: #f0b232;
}

.session-deadline.urgent {
    color: #ef4444;
}

.deadline-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--text-secondary);
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.deadline-badge.urgent {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.session-actions {
    flex-shrink: 0;
}

.btn-view {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--accent-primary);
    border: none;
    border-radius: 6px;
    color: white;
    font-size: 13px;
    cursor: pointer;
}

.btn-view:hover {
    background: var(--accent-hover);
}

.session-preview {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
}

.session-preview .material-icons-outlined {
    font-size: 16px;
}

/* Detail View */
.session-detail-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 24px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

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

.btn-approve-all,
.btn-reject-all {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
}

.btn-approve-all {
    background: #22c55e;
    color: white;
}

.btn-approve-all:hover {
    background: #16a34a;
}

.btn-reject-all {
    background: #ef4444;
    color: white;
}

.btn-reject-all:hover {
    background: #dc2626;
}

/* Images Section */
.images-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
}

.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 12px;
}

.session-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
}

.session-image img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    background: #111;
}

.session-image .image-number {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    z-index: 1;
    pointer-events: none;
}

.session-image {
    cursor: pointer;
}

/* Status badge at top right */
.session-image .image-status-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
    z-index: 2;
    pointer-events: none;
}

.session-image .image-status-badge .material-icons-outlined {
    font-size: 14px;
}

.session-image .image-status-badge.underreview,
.session-image .image-status-badge.under-review {
    background: rgba(240, 178, 50, 0.25);
    color: #f0b232;
}

.session-image .image-status-badge.approved {
    background: rgba(34, 197, 94, 0.25);
    color: #22c55e;
}

.session-image .image-status-badge.rejected {
    background: rgba(239, 68, 68, 0.25);
    color: #ef4444;
}

.session-image .image-status-badge.withdrawn {
    background: rgba(156, 163, 175, 0.25);
    color: #9ca3af;
}

.session-image .rejection-reason {
    font-size: 10px;
    color: #ef4444;
    background: rgba(0, 0, 0, 0.8);
    padding: 4px 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Button bar below image - always visible */
.session-image .image-actions {
    position: relative !important;
    z-index: 10 !important;
    display: flex !important;
    flex-direction: row !important;
    gap: 4px !important;
    padding: 4px !important;
    background: #1a1a1a !important;
    border-top: 1px solid #333 !important;
    opacity: 1 !important;
    bottom: auto !important;
    right: auto !important;
    justify-content: center !important;
    pointer-events: auto !important;
}

.session-image .btn-approve-img,
.session-image .btn-reject-img,
.session-image .btn-ref-img {
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    flex: 0 0 28px !important;
    border: none !important;
    border-radius: 4px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    background: #333 !important;
    color: #888 !important;
    pointer-events: auto !important;
    position: relative !important;
    z-index: 11 !important;
}

.session-image .btn-approve-img:hover {
    background: rgba(34, 197, 94, 0.2);
    color: #22c55e;
}

.session-image .btn-reject-img:hover {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.session-image .btn-ref-img:hover {
    background: rgba(74, 158, 255, 0.2);
    color: #4a9eff;
}

/* Active state for current decision */
.session-image .btn-approve-img.active {
    background: rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.session-image .btn-reject-img.active {
    background: rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.session-image .btn-approve-img .material-icons-outlined,
.session-image .btn-reject-img .material-icons-outlined,
.session-image .btn-ref-img .material-icons-outlined {
    font-size: 16px;
}

.session-image.highlighted {
    outline: 3px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Conversation Section */
.conversation-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 250px);
}

.messages-container {
    flex: 1;
    overflow-y: auto;
    margin-bottom: 16px;
    padding: 12px;
    font-size: 13px;
    color: #ccc;
    line-height: 1.15 !important;
    display: block;
}

.no-messages {
    text-align: center;
    padding: 40px;
    color: var(--text-tertiary);
}

.messages-container .message {
    margin: 0 !important;
    padding: 0 !important;
    line-height: 1.15 !important;
}

.message.internal {
    background: rgba(168, 85, 247, 0.1);
    padding: 4px 8px !important;
    border-radius: 4px;
    margin: 4px 0 !important;
}

.message-body .image-ref {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

.message-body .image-ref:hover {
    text-decoration: underline;
}

.message-input-area {
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

.message-input-area .input-row {
    display: flex;
    gap: 8px;
}

.message-input-area textarea {
    flex: 1;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    color: var(--text-primary);
    font-size: 14px;
    resize: none;
    font-family: inherit;
}

.message-input-area textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.message-input-area .btn-send {
    width: 44px;
    height: 44px;
    background: var(--accent-primary);
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.message-input-area .btn-send:hover {
    background: var(--accent-hover);
}

.message-input-area .input-options {
    margin-top: 8px;
}

.message-input-area .checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

/* Empty State */
.admin-empty-state {
    text-align: center;
    padding: 4rem;
    color: var(--text-secondary);
}

.admin-empty-state .material-icons-outlined {
    font-size: 48px;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Pagination */
.admin-review-sessions-page .pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.admin-review-sessions-page .pagination-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-review-sessions-page .pagination-btn:hover:not(:disabled) {
    border-color: var(--accent-primary);
}

.admin-review-sessions-page .pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.admin-review-sessions-page .pagination-info {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Modal styles (reuse from admin-uploads) */
.admin-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
}

.admin-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.admin-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 500px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
}

.admin-modal .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.admin-modal .modal-header h3 {
    margin: 0;
    font-size: 18px;
    color: var(--text-primary);
}

.admin-modal .modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
}

.admin-modal .modal-body {
    padding: 20px;
}

.admin-modal .modal-body textarea {
    width: 100%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px;
    color: var(--text-primary);
    font-size: 14px;
    resize: vertical;
    font-family: inherit;
}

.admin-modal .modal-body textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.admin-modal .quick-reasons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.admin-modal .quick-reason-btn {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
}

.admin-modal .quick-reason-btn:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.admin-modal .modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 1024px) {
    .session-detail-content {
        grid-template-columns: 1fr;
    }

    .conversation-section {
        max-height: 500px;
    }
}

@media (max-width: 768px) {
    .admin-review-sessions-page {
        padding: 1rem;
    }

    .session-card-main {
        flex-wrap: wrap;
    }

    .session-user {
        width: 100%;
    }

    .session-status,
    .session-deadline,
    .session-actions {
        margin-top: 8px;
    }

    .filters-bar {
        flex-direction: column;
        gap: 8px;
    }

    .filter-buttons {
        flex-wrap: wrap;
        width: 100%;
    }

    .filter-btn {
        flex: 1;
        min-width: fit-content;
    }

    .images-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

/* Image Preview Modal */
.image-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-preview-modal .preview-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
}

.image-preview-modal .preview-card {
    position: relative;
    background: #1a1a1a;
    border-radius: 12px;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
}

.image-preview-modal .preview-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-bottom: 1px solid #333;
}

.image-preview-modal .preview-nav {
    background: #333;
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-preview-modal .preview-nav:hover {
    background: #444;
}

.image-preview-modal .preview-counter {
    color: #888;
    font-size: 14px;
    margin: 0 8px;
}

.image-preview-modal .preview-close {
    margin-left: auto;
    background: transparent;
    border: none;
    color: #888;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-preview-modal .preview-close:hover {
    background: #333;
    color: #fff;
}

.image-preview-modal .preview-body {
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-preview-modal .preview-image {
    max-width: 80vw;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 4px;
}