/**
 * Admin Mode Styles
 * Dashboard layout, nav, sections, editor, tables
 */

/* ===== CONTAINER ===== */

.admin-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    width: 100vw;
    overflow: hidden;
    background: var(--color-bg-primary);
}

/* ===== HEADER ===== */

.admin-header {
    height: var(--header-height);
    background-color: var(--color-bg-secondary);
    border-bottom: var(--border-width) solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    flex-shrink: 0;
}

.admin-header-left {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.admin-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.admin-back-link {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.admin-back-link:hover {
    color: var(--color-text-primary);
    background: var(--color-hover);
}

.admin-back-text {
    display: inline;
}

.admin-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.admin-user-name {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.admin-menu-toggle {
    display: none;
}

/* ===== BODY (NAV + DETAIL) ===== */

.admin-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ===== SIDEBAR NAV ===== */

.admin-nav {
    width: 200px;
    background: var(--color-bg-secondary);
    border-right: var(--border-width) solid var(--color-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.admin-nav-sections {
    flex: 1;
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: none;
    border-radius: var(--border-radius-md);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    width: 100%;
    text-align: left;
}

.admin-nav-item:hover {
    background: var(--color-hover);
    color: var(--color-text-primary);
}

.admin-nav-item.active {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

.admin-nav-footer {
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--color-border);
}

.admin-version {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ===== NAV BACKDROP (mobile) ===== */

.admin-nav-backdrop {
    display: none;
}

/* ===== DETAIL AREA ===== */

.admin-detail {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    min-width: 0;
}

/* ===== SECTION LAYOUT ===== */

.admin-section {
    max-width: 1000px;
}

.admin-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.admin-section-header h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

/* ===== STAT CARDS ===== */

.admin-stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.admin-stat-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    text-align: center;
}

.admin-stat-value {
    font-size: 28px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.admin-stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ===== PANELS ===== */

.admin-panel {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
}

.admin-panel h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0 0 var(--space-sm) 0;
}

.admin-panel-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.admin-empty-state {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-style: italic;
}

/* ===== SPLIT VIEW (Personas, Models) ===== */

.admin-split-view {
    display: flex;
    gap: var(--space-md);
    min-height: 500px;
}

.admin-list-panel {
    width: 240px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

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

.admin-list-header h2 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: 0;
}

.admin-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-xs);
}

.admin-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.admin-list-item:hover {
    background: var(--color-hover);
    color: var(--color-text-primary);
}

.admin-list-item.active {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.admin-list-item-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.admin-list-item-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success, #2ecc71);
    flex-shrink: 0;
}

/* ===== EDITOR PANEL ===== */

.admin-editor-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    min-width: 0;
}

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

.admin-editor-header h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    margin: 0;
    font-family: var(--font-mono, monospace);
}

.admin-editor-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.admin-editor-textarea {
    flex: 1;
    width: 100%;
    padding: var(--space-md);
    background: var(--color-bg-primary);
    border: none;
    color: var(--color-text-primary);
    font-family: var(--font-mono, 'Consolas', 'Monaco', monospace);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    resize: none;
    box-sizing: border-box;
}

.admin-editor-textarea:focus {
    outline: none;
}

.admin-editor-errors {
    padding: var(--space-sm) var(--space-md);
    background: rgba(192, 57, 43, 0.1);
    border-top: 1px solid var(--color-error, #c0392b);
    color: var(--color-error, #c0392b);
    font-size: var(--font-size-sm);
}

.admin-editor-errors p {
    margin: 0;
}

.admin-editor-footer {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-tertiary);
}

.admin-editor-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* ===== TABLE ===== */

.admin-table-wrapper {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th {
    text-align: left;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border);
}

.admin-table td {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-border);
}

.admin-table tbody tr {
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.admin-table-actions {
    width: 40px;
    text-align: right;
}

/* ===== FORMS ===== */

.admin-form-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.admin-form-row label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.admin-form-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

/* ===== FORM EDITOR (Persona structured form) ===== */

.admin-form-editor {
    overflow: hidden;
}

.admin-form-scroll {
    overflow-y: auto;
    padding: var(--space-md);
    flex: 1;
    height: 100%;
}

.admin-form-section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.admin-form-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.admin-form-section h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--space-sm) 0;
}

.admin-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.admin-form-inline {
    flex-direction: row;
    align-items: center;
}

.admin-toggle-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

.admin-toggle-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent-primary, #569cd6);
}

.admin-form-hint {
    font-weight: normal;
    color: var(--color-text-muted);
    margin-left: var(--space-xs);
}

.admin-prompt-textarea {
    width: 100%;
    min-height: 200px;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-mono, 'Consolas', 'Monaco', monospace);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    resize: vertical;
    box-sizing: border-box;
}

.admin-prompt-textarea:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 2px rgba(86, 156, 214, 0.15);
}

/* Editor tabs */
.admin-editor-tabs {
    display: flex;
    gap: 2px;
    margin-left: auto;
    margin-right: var(--space-md);
}

.admin-tab {
    padding: var(--space-xs) var(--space-sm);
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.admin-tab:first-child {
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
}

.admin-tab:last-child {
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.admin-tab.active {
    background: var(--color-accent-primary, #569cd6);
    border-color: var(--color-accent-primary, #569cd6);
    color: #fff;
}

.admin-tab:hover:not(.active) {
    background: var(--color-hover);
}

/* Select dropdown styling */
.admin-form-row select.modal-input {
    appearance: auto;
    cursor: pointer;
}

/* Range input */
.admin-form-row input[type="range"] {
    width: 100%;
    accent-color: var(--color-accent-primary, #569cd6);
}

/* Role tag picker */
.admin-role-picker {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.admin-role-tag {
    padding: var(--space-xs) var(--space-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.admin-role-tag:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text-primary);
}

.admin-role-tag.active {
    background: var(--color-accent-primary, #569cd6);
    border-color: var(--color-accent-primary, #569cd6);
    color: #fff;
}

/* Tag editor (add/remove freeform tags) */
.admin-tag-editor {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.admin-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    min-height: 28px;
}

.admin-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px 4px 12px;
    background: var(--color-accent-primary, #569cd6);
    border-radius: 16px;
    color: #fff;
    font-size: var(--font-size-sm);
}

.admin-tag-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    transition: all var(--transition-fast);
}

.admin-tag-remove:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.admin-tag-input-row {
    display: flex;
    gap: var(--space-xs);
}

.admin-tag-input {
    flex: 1;
}

/* Read-only role tags in table */
.admin-role-display-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    margin-right: 4px;
}

/* ===== INFO GRID ===== */

.admin-info-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.admin-info-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.admin-info-row:last-child {
    border-bottom: none;
}

.admin-info-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.admin-info-value {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

/* ===== MIGRATION ===== */

.admin-migration-list {
    max-height: 300px;
    margin-bottom: var(--space-md);
}

.admin-migration-user {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.admin-migration-user:hover {
    background: var(--color-hover);
    border-radius: var(--border-radius-sm);
}

.admin-migration-user-name {
    flex: 1;
    color: var(--color-text-primary);
}

.admin-migration-user-stats {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
}

/* ===== STATUS INDICATORS ===== */

.admin-status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-text-muted);
    margin-right: 4px;
}

.admin-status-active {
    background: var(--color-success, #2ecc71);
}

/* ===== MODEL USAGE BARS ===== */

.admin-model-bars {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.admin-model-bar-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.admin-model-bar-label {
    width: 140px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    flex-shrink: 0;
}

.admin-model-bar-track {
    flex: 1;
    height: 20px;
    background: var(--color-bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
}

.admin-model-bar-fill {
    height: 100%;
    background: var(--color-accent-primary, #569cd6);
    border-radius: 10px;
    min-width: 4px;
    transition: width 0.3s ease;
}

.admin-model-bar-value {
    width: 80px;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: right;
    flex-shrink: 0;
}

/* ===== BUTTON HELPERS ===== */

.btn-danger-icon {
    color: var(--color-text-secondary);
}

.btn-danger-icon:hover {
    color: var(--color-error, #c0392b);
}

.btn-xs {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
}

/* ===== MOBILE RESPONSIVE ===== */

@media (max-width: 768px) {
    .admin-menu-toggle {
        display: flex;
    }

    .admin-back-text {
        display: none;
    }

    .admin-title {
        font-size: var(--font-size-base);
    }

    .admin-user-name {
        display: none;
    }

    .admin-nav {
        position: fixed;
        top: var(--header-height, 48px);
        left: 0;
        bottom: 0;
        width: 240px;
        z-index: 100;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
    }

    .admin-nav-open {
        transform: translateX(0);
    }

    .admin-nav-backdrop {
        display: none;
        position: fixed;
        top: var(--header-height, 48px);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 99;
    }

    .admin-nav-backdrop.active {
        display: block;
    }

    .admin-detail {
        padding: var(--space-md);
    }

    .admin-split-view {
        flex-direction: column;
    }

    .admin-list-panel {
        width: 100%;
        max-height: 250px;
    }
}