/* ====================================================================
   CODEX ADMIN TRANSPORT - Import/Export Surface
   ==================================================================== */

.codex-admin-transport {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--io-surface-base);
    color: var(--io-text-primary);
}

/* Tabs */
.codex-admin-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--io-border);
    background: var(--io-surface-sunken);
}

.codex-admin-tab {
    flex: 1;
    padding: 16px 24px;
    background: transparent;
    border: none;
    color: var(--io-text-secondary);
    font-size: var(--io-text-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--io-transition-base);
    position: relative;
}

.codex-admin-tab:hover {
    background: var(--io-surface-hover);
    color: var(--io-text-primary);
}

.codex-admin-tab.active {
    color: var(--io-accent);
    background: var(--io-surface-base);
}

.codex-admin-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--io-accent);
}

/* Tab Content */
.codex-admin-content {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
}

.codex-admin-panel {
    display: none;
}

.codex-admin-panel.active {
    display: block;
}

/* Export Panel */
.codex-export-section {
    max-width: 600px;
    margin: 0 auto;
}

.codex-export-header {
    text-align: center;
    margin-bottom: 32px;
}

.codex-export-header i {
    font-size: 64px;
    color: var(--io-accent);
    margin-bottom: 16px;
    display: block;
}

.codex-export-header h2 {
    font-size: var(--io-text-2xl);
    margin-bottom: 8px;
    color: var(--io-text-primary);
}

.codex-export-header p {
    color: var(--io-text-secondary);
}

.codex-export-controls {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.codex-export-btn-primary {
    padding: 20px 32px;
    font-size: var(--io-text-lg);
    background: linear-gradient(135deg, var(--io-accent), var(--io-accent-bright));
    border: none;
    border-radius: var(--io-radius-md);
    color: var(--io-on-accent);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--io-transition-base);
    box-shadow: var(--io-glow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.codex-export-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--io-glow-lg);
}

.codex-export-btn-primary:active {
    transform: translateY(0);
}

.codex-export-toggle-section {
    background: var(--io-surface-raised);
    padding: 20px;
    border-radius: var(--io-radius-md);
    border: 1px solid var(--io-border);
}

.codex-export-toggle-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    cursor: pointer;
    user-select: none;
}

.codex-export-toggle-header input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.codex-export-toggle-header label {
    font-weight: 600;
    cursor: pointer;
    flex: 1;
}

.codex-export-filters {
    display: none;
    gap: 16px;
    margin-top: 16px;
}

.codex-export-filters.visible {
    display: flex;
    flex-direction: column;
}

.codex-export-stats {
    text-align: center;
    padding: 16px;
    background: var(--io-surface-sunken);
    border-radius: var(--io-radius-md);
    color: var(--io-text-secondary);
    font-size: var(--io-text-sm);
}

/* Import Panel */
.codex-import-section {
    max-width: 700px;
    margin: 0 auto;
}

.codex-import-dropzone {
    border: 3px dashed var(--io-border);
    border-radius: var(--io-radius-lg);
    padding: 64px 32px;
    text-align: center;
    background: var(--io-surface-raised);
    transition: all var(--io-transition-base);
    cursor: pointer;
    margin-bottom: 24px;
}

.codex-import-dropzone:hover {
    border-color: var(--io-accent);
    background: var(--io-surface-hover);
}

.codex-import-dropzone.drag-over {
    border-color: var(--io-accent);
    background: var(--io-accent-subtle);
    box-shadow: var(--io-glow-lg);
    transform: scale(1.02);
}

.codex-import-dropzone i {
    font-size: 72px;
    color: var(--io-accent);
    margin-bottom: 24px;
    display: block;
}

.codex-import-dropzone h3 {
    font-size: var(--io-text-xl);
    margin-bottom: 12px;
    color: var(--io-text-primary);
}

.codex-import-dropzone p {
    color: var(--io-text-secondary);
    margin-bottom: 24px;
}

.codex-import-or {
    color: var(--io-text-tertiary);
    font-size: var(--io-text-sm);
    margin: 24px 0;
    text-align: center;
}

.codex-import-file-btn {
    padding: 16px 32px;
    background: var(--io-accent);
    border: none;
    border-radius: var(--io-radius-md);
    color: var(--io-on-accent);
    font-weight: 600;
    cursor: pointer;
    transition: var(--io-transition-base);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.codex-import-file-btn:hover {
    background: var(--io-accent-bright);
}

.codex-import-options {
    background: var(--io-surface-raised);
    padding: 20px;
    border-radius: var(--io-radius-md);
    border: 1px solid var(--io-border);
    margin-bottom: 24px;
}

.codex-import-option {
    display: flex;
    align-items: center;
    gap: 12px;
}

.codex-import-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.codex-import-option label {
    cursor: pointer;
    flex: 1;
}

.codex-import-option-help {
    font-size: var(--io-text-sm);
    color: var(--io-text-tertiary);
    margin-left: 32px;
    margin-top: 4px;
}

.codex-import-results {
    background: var(--io-surface-raised);
    border: 1px solid var(--io-border);
    border-radius: var(--io-radius-md);
    padding: 24px;
    display: none;
}

.codex-import-results.visible {
    display: block;
}

.codex-import-results-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    font-size: var(--io-text-lg);
    font-weight: 600;
}

.codex-import-results-header i {
    color: var(--io-success);
}

.codex-import-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.codex-import-stat {
    text-align: center;
    padding: 16px;
    background: var(--io-surface-sunken);
    border-radius: var(--io-radius-md);
}

.codex-import-stat-value {
    font-size: var(--io-text-2xl);
    font-weight: 700;
    color: var(--io-accent);
}

.codex-import-stat-label {
    font-size: var(--io-text-sm);
    color: var(--io-text-secondary);
    margin-top: 4px;
}

.codex-import-errors {
    background: var(--io-error-subtle);
    border: 1px solid var(--io-error);
    border-radius: var(--io-radius-md);
    padding: 16px;
    max-height: 200px;
    overflow-y: auto;
}

.codex-import-errors-header {
    font-weight: 600;
    color: var(--io-error);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.codex-import-error-item {
    padding: 8px;
    background: var(--io-surface-base);
    border-radius: var(--io-radius-sm);
    margin-bottom: 8px;
    font-size: var(--io-text-sm);
    color: var(--io-text-primary);
}

/* Loading State */
.codex-admin-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 64px;
    gap: 16px;
}

.codex-admin-loading i {
    font-size: 48px;
    color: var(--io-accent);
}

.codex-admin-loading p {
    color: var(--io-text-secondary);
    font-size: var(--io-text-lg);
}