/* Data Management Section Styles */
.data-management-content {
    padding: 24px;
}

.data-management-actions {
    margin-bottom: 24px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.upload-section {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.upload-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin: 0;
}

.upload-icon {
    font-size: 18px;
}

.file-info {
    margin-top: 12px;
    padding: 8px 12px;
    background: #e6f3ff;
    border-radius: 6px;
    font-size: 13px;
    color: #0066cc;
    font-weight: 500;
}

.data-management-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.data-management-table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.data-management-table thead th {
    padding: 14px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-management-table tbody tr {
    border-bottom: 1px solid #e2e8f0;
    transition: background-color 0.2s ease;
}

.data-management-table tbody tr:hover {
    background-color: #f8f9fa;
}

.data-management-table tbody tr:last-child {
    border-bottom: none;
}

.data-management-table tbody td {
    padding: 14px 16px;
    font-size: 14px;
    color: #2d3748;
    vertical-align: middle;
}

.download-stats {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #4a5568;
}

.stat-icon {
    font-size: 14px;
    opacity: 0.7;
}

.stat-value {
    font-weight: 500;
    color: #2d3748;
}

.data-management-table .file-icon {
    font-size: 20px;
    margin-right: 10px;
    vertical-align: middle;
}

.data-management-table .file-name {
    font-weight: 500;
    color: #1a202c;
}

.data-management-table .loading-state,
.data-management-table .error-state {
    text-align: center;
    padding: 40px;
    color: #718096;
    font-style: italic;
}

.data-management-table .error-state {
    color: #e53e3e;
}

.actions-wrapper {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}

/* Compact, Glassy Action Buttons */
.data-management-table .btn-sm {
    padding: 4px 10px;
    font-size: 11px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    height: 28px;
    min-width: auto;
    box-sizing: border-box;
    font-weight: 500;
    letter-spacing: 0.3px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.data-management-table .btn-sm::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.data-management-table .btn-sm:hover::before {
    left: 100%;
}

.data-management-table .btn-sm .btn-icon {
    font-size: 13px;
    line-height: 1;
    display: flex;
    align-items: center;
}

/* Primary Button (Download) - Glassy Blue */
.data-management-table .btn-sm.btn-primary {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.data-management-table .btn-sm.btn-primary:hover {
    background: rgba(59, 130, 246, 0.25);
    border-color: rgba(59, 130, 246, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.data-management-table .btn-sm.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Accent Button (Copy Link) - Glassy Purple */
.data-management-table .btn-sm.btn-accent {
    background: rgba(139, 92, 246, 0.15);
    color: #8b5cf6;
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.data-management-table .btn-sm.btn-accent:hover {
    background: rgba(139, 92, 246, 0.25);
    border-color: rgba(139, 92, 246, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.data-management-table .btn-sm.btn-accent:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(139, 92, 246, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Warning Button (Reset Stats) - Glassy Orange */
.data-management-table .btn-sm.btn-warning {
    background: rgba(251, 146, 60, 0.15);
    color: #fb923c;
    border-color: rgba(251, 146, 60, 0.3);
    box-shadow: 0 2px 8px rgba(251, 146, 60, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.data-management-table .btn-sm.btn-warning:hover {
    background: rgba(251, 146, 60, 0.25);
    border-color: rgba(251, 146, 60, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(251, 146, 60, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.data-management-table .btn-sm.btn-warning:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(251, 146, 60, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Danger Button (Delete) - Glassy Red */
.data-management-table .btn-sm.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border-color: rgba(239, 68, 68, 0.3);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.data-management-table .btn-sm.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
    border-color: rgba(239, 68, 68, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.data-management-table .btn-sm.btn-danger:active {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(239, 68, 68, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Focus states for accessibility */
.data-management-table .btn-sm:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2), 0 2px 8px rgba(0, 0, 0, 0.1);
}

.data-management-table .btn-sm:focus-visible {
    outline: 2px solid rgba(59, 130, 246, 0.5);
    outline-offset: 2px;
}

/* Disabled state */
.data-management-table .btn-sm:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

#dataManagementEmpty {
    text-align: center;
    padding: 60px 20px;
    color: #718096;
}

#dataManagementEmpty .empty-icon {
    font-size: 64px;
    display: block;
    margin-bottom: 16px;
    opacity: 0.5;
}

#dataManagementEmpty p {
    font-size: 16px;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .data-management-actions {
        padding: 12px;
    }

    .upload-section {
        flex-direction: column;
        align-items: stretch;
    }

    .upload-label,
    #uploadFilesBtn {
        width: 100%;
        justify-content: center;
    }

    .data-management-table {
        font-size: 12px;
    }

    .data-management-table thead th,
    .data-management-table tbody td {
        padding: 10px 8px;
    }

    .actions-wrapper {
        flex-direction: row;
        gap: 4px;
        flex-wrap: wrap;
    }

    .data-management-table .btn-sm {
        padding: 3px 8px;
        font-size: 10px;
        height: 26px;
        min-width: auto;
    }

    .data-management-table .btn-sm .btn-icon {
        font-size: 12px;
    }
}


/* Admin Only Elements */
.admin-only {
    display: none;
}

.user-role-admin .admin-only {
    display: inline-flex;
}

/* Reset Stats Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 12px 12px 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: background-color 0.2s ease;
}

.modal-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 24px;
}

.modal-description {
    margin-bottom: 20px;
    color: #4a5568;
    font-size: 14px;
}

.modal-description strong {
    color: #2d3748;
    font-weight: 600;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #2d3748;
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-text {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: #718096;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background: #f8f9fa;
    border-radius: 0 0 12px 12px;
}

.modal-footer .btn-secondary {
    background: #e2e8f0;
    color: #4a5568;
    border: 1px solid #cbd5e0;
}

.modal-footer .btn-secondary:hover {
    background: #cbd5e0;
    border-color: #a0aec0;
}

/* ============================================
   DARK MODE - Data Management
   ============================================ */
[data-theme="dark"] .data-management-actions {
    background: #0f172a;
    border-color: #334155;
}

[data-theme="dark"] .file-info {
    background: #1e1b4b;
    color: #93c5fd;
}

[data-theme="dark"] .data-management-table {
    background: #1e293b;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .data-management-table tbody tr {
    border-bottom-color: #334155;
}

[data-theme="dark"] .data-management-table tbody tr:hover {
    background-color: #334155;
}

[data-theme="dark"] .data-management-table tbody td {
    color: #cbd5e1;
}

[data-theme="dark"] .stat-item {
    color: #94a3b8;
}

[data-theme="dark"] .stat-value {
    color: #e2e8f0;
}

[data-theme="dark"] .data-management-table .file-name {
    color: #e2e8f0;
}

[data-theme="dark"] .data-management-table .loading-state,
[data-theme="dark"] .data-management-table .error-state {
    color: #64748b;
}

[data-theme="dark"] .data-management-table .error-state {
    color: #fca5a5;
}

[data-theme="dark"] #dataManagementEmpty {
    color: #64748b;
}

[data-theme="dark"] .data-management-table .btn-sm {
    border-color: rgba(255, 255, 255, 0.1);
}

/* Dark mode modal (data management) */
[data-theme="dark"] .style-data-management .modal-content,
[data-theme="dark"] .modal-content {
    background: #1e293b;
}

[data-theme="dark"] .modal-header {
    border-bottom-color: #334155;
}

[data-theme="dark"] .modal-description {
    color: #94a3b8;
}

[data-theme="dark"] .modal-description strong {
    color: #e2e8f0;
}

[data-theme="dark"] .form-group label {
    color: #e2e8f0;
}

[data-theme="dark"] .form-control {
    background: #0f172a;
    border-color: #334155;
    color: #e2e8f0;
}

[data-theme="dark"] .form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.25);
}

[data-theme="dark"] .form-text {
    color: #64748b;
}

[data-theme="dark"] .modal-footer {
    background: #0f172a;
    border-top-color: #334155;
}

[data-theme="dark"] .modal-footer .btn-secondary {
    background: #334155;
    color: #cbd5e1;
    border-color: #475569;
}

[data-theme="dark"] .modal-footer .btn-secondary:hover {
    background: #475569;
    border-color: #64748b;
}