/* =============================================================================
   Admin Area Styles
   Styling for the TechHub admin panel that matches the main site's visual
   language. Uses the same design tokens and nav patterns as NavHeader.
   ============================================================================= */

/* ─── Navigation Bar (matches main site NavHeader) ────────────────────────── */

.admin-nav {
    position: sticky;
    top: 0;
    z-index: var(--z-index-sticky);
    background: var(--color-bg-default);
    border-bottom: 1px solid var(--color-border-default);
    width: 100%;
    min-height: var(--main-nav-height);
}

.admin-nav-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-2);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: var(--spacing-3);
}

/* ─── Brand (matches main site logo style) ────────────────────────────────── */

.admin-brand {
    text-decoration: none;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    transition: color var(--duration-fast) var(--easing-ease);
    flex-shrink: 0;
}

@media (hover: hover) {
    .admin-brand:hover {
        color: var(--color-purple-bright);
        text-decoration: none;
    }
}

.admin-brand-text {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: 1;
    white-space: nowrap;
}

.admin-brand-badge {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-purple-bright);
    background: var(--color-purple-bg-subtle);
    border: 1px solid var(--color-purple-border-subtle);
    border-radius: var(--radius-full);
    padding: 0.15em 0.6em;
    line-height: var(--line-height-normal);
    align-self: flex-end;
    margin-bottom: 0.15em;
}

/* ─── Nav Links (matches main site nav-link style) ────────────────────────── */

.admin-nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.admin-nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    padding: calc(var(--spacing-1) + var(--spacing-1) / 2);
    background: transparent;
    color: var(--color-text-primary);
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--duration-fast) var(--easing-ease);
    min-height: var(--touch-target-min-size);
    line-height: 1;
}

@media (hover: hover) {
    .admin-nav-link:hover {
        background: var(--color-bg-hover-subtle);
        box-shadow: 0 0 0 1px var(--color-purple-bright) inset;
        text-decoration: none;
    }
}

.admin-nav-link.active {
    background: var(--color-purple-bg-subtle);
    color: var(--color-purple-bright);
    border-color: var(--color-purple-border-subtle);
}

/* ─── Nav Actions (right side) ────────────────────────────────────────────── */

.admin-nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    margin-left: auto;
}

.admin-back-link {
    border: 1px solid var(--color-purple-bright);
}

.admin-logout-form {
    display: flex;
}

.admin-logout-btn {
    display: inline-flex;
    align-items: center;
    padding: calc(var(--spacing-1) + var(--spacing-1) / 2) var(--spacing-3);
    background: transparent;
    color: var(--color-red-bright, #f85149);
    border: 1px solid color-mix(in srgb, var(--color-red-bright, #f85149) 50%, transparent);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--duration-fast) var(--easing-ease);
    min-height: var(--touch-target-min-size);
    line-height: 1;
    font-family: inherit;
}

@media (hover: hover) {
    .admin-logout-btn:hover {
        background: color-mix(in srgb, var(--color-red-bright, #f85149) 12%, transparent);
        border-color: var(--color-red-bright, #f85149);
        color: var(--color-red-bright, #f85149);
    }
}

/* ─── Main Content Area ───────────────────────────────────────────────────── */

.admin-main {
    flex: 1;
    padding: var(--spacing-4) var(--spacing-2);
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

/* ─── Login Page ──────────────────────────────────────────────────────────── */

.admin-login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - var(--main-nav-height) - var(--spacing-8));
    padding: var(--spacing-6);
}

.admin-login-card {
    background: var(--color-bg-default);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    padding: var(--spacing-8);
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.admin-login-logo {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-4);
}

.admin-login-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-emphasis);
    text-align: center;
    margin: 0 0 var(--spacing-1);
}

.admin-login-subtitle {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    text-align: center;
    margin: 0 0 var(--spacing-6);
}

.admin-login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.admin-login-btn {
    width: 100%;
    margin-top: var(--spacing-2);
}

/* Sign-in link styled as a full-width primary button */
.admin-login-btn-link {
    display: block;
    text-align: center;
    text-decoration: none;
    width: 100%;
    margin-top: var(--spacing-2);
}

/* ─── Form Controls ───────────────────────────────────────────────────────── */

.admin-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.admin-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}

.admin-input {
    background: var(--color-bg-default);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    padding: var(--spacing-1) var(--spacing-2);
    width: 100%;
    box-sizing: border-box;
    transition: border-color var(--duration-fast) var(--easing-ease);
    font-family: inherit;
}

select.admin-input {
    appearance: none;
    padding-right: var(--spacing-6);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239ca3af' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-2) center;
}

.admin-input:focus {
    border-color: var(--color-purple-bright);
    outline: none;
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-purple-bright) 20%, transparent);
}

/* ─── Alerts ──────────────────────────────────────────────────────────────── */

.admin-alert {
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

.admin-alert-error {
    background: color-mix(in srgb, #ef4444 12%, transparent);
    border: 1px solid color-mix(in srgb, #ef4444 40%, transparent);
    color: #fca5a5;
}

.admin-alert-success {
    background: color-mix(in srgb, #22c55e 12%, transparent);
    border: 1px solid color-mix(in srgb, #22c55e 40%, transparent);
    color: #86efac;
}

/* ─── Dashboard Page ──────────────────────────────────────────────────────── */

.admin-page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-3);
    gap: var(--spacing-4);
}

.admin-page-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--spacing-1);
    color: var(--color-text-emphasis);
}

.admin-page-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin: 0;
}

.admin-actions {
    display: flex;
    gap: var(--spacing-1);
    align-items: center;
    flex-shrink: 0;
}

.admin-loading,
.admin-empty {
    padding: var(--spacing-10);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* ─── Jobs Table ──────────────────────────────────────────────────────────── */

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

.admin-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: auto;
    font-size: var(--font-size-sm);
}

.admin-table th {
    text-align: left;
    padding: var(--spacing-1) var(--spacing-2);
    border-bottom: 2px solid var(--color-border-default);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    white-space: nowrap;
}

.admin-table td {
    padding: var(--spacing-1) var(--spacing-2);
    border-bottom: 1px solid var(--color-border-default);
    vertical-align: top;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.admin-table td:last-child {
    overflow: visible;
    text-overflow: clip;
}

.admin-table tr:hover td {
    background: var(--color-bg-elevated);
}

.admin-cell-mono {
    font-family: var(--font-family-mono);
    color: var(--color-text-secondary);
}

.admin-cell-number {
    text-align: right;
    min-width: 4rem;
    font-variant-numeric: tabular-nums;
}

.admin-table th.admin-cell-number {
    text-align: right;
}

.admin-cell-error {
    color: #ef4444;
    font-weight: 600;
}

/* ─── Badges and Status ───────────────────────────────────────────────────── */

.admin-badge {
    display: inline-block;
    padding: 0.1em 0.5em;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: capitalize;
}

.admin-badge-scheduled {
    background: color-mix(in srgb, var(--color-purple-bright) 15%, transparent);
    color: var(--color-purple-bright);
}

.admin-badge-manual {
    background: color-mix(in srgb, #a855f7 15%, transparent);
    color: #d8b4fe;
}

.admin-badge-processing {
    background: color-mix(in srgb, #3b82f6 15%, transparent);
    color: #93c5fd;
}

.admin-badge-roundup {
    background: color-mix(in srgb, #f59e0b 15%, transparent);
    color: #fcd34d;
}

.admin-badge-cleanup {
    background: color-mix(in srgb, #10b981 15%, transparent);
    color: #6ee7b7;
}

.admin-status {
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-transform: capitalize;
}

.admin-status-running {
    color: #fbbf24;
}

.admin-status-completed {
    color: #22c55e;
}

.admin-status-skipped {
    color: #a8a29e;
}

.admin-status-failed {
    color: #ef4444;
}

.admin-status-warning {
    color: #fbbf24;
}

.admin-status-success {
    color: #22c55e;
}

.admin-status-aborted {
    color: #f97316;
}

/* ─── Log Output ──────────────────────────────────────────────────────────── */

.admin-log-row td {
    padding: var(--spacing-2);
    background: var(--color-bg-default);
}

.admin-log {
    background: #0d1117;
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    color: #c9d1d9;
    font-family: var(--font-family-mono);
    font-size: var(--font-size-xs);
    line-height: 1.6;
    margin: 0;
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-3) var(--spacing-4);
    white-space: pre-wrap;
    word-break: break-all;
}

.admin-link-btn {
    background: none;
    border: none;
    color: var(--color-purple-bright);
    cursor: pointer;
    font-size: var(--font-size-sm);
    padding: 0;
    text-decoration: underline;
    text-underline-offset: 2px;
    margin-right: var(--spacing-1);
}

.admin-link-btn:last-child {
    margin-right: 0;
}

.admin-link-btn:hover {
    opacity: 0.8;
}

.admin-link-btn-danger {
    color: #ef4444;
}

.admin-transcript-warning {
    color: #fbbf24;
    font-weight: var(--font-weight-bold);
    margin-left: 0.25em;
}

/* ─── Form Card ───────────────────────────────────────────────────────────── */

.admin-form-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

.admin-form-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0 0 var(--spacing-4);
    color: var(--color-text-primary);
}

.admin-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.admin-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.admin-form-actions {
    display: flex;
    gap: var(--spacing-1);
}

.admin-cell-site {
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
}

.admin-cell-article {
    max-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 100%;
}

.admin-cell-reason {
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.admin-cell-feed {
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─── Statistics Page ─────────────────────────────────────────────────────── */

.admin-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.admin-stat-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4) var(--spacing-5);
    text-align: center;
}

.admin-stat-value {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    line-height: 1.2;
}

.admin-stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: var(--spacing-1);
}

.admin-section-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin: var(--spacing-6) 0 var(--spacing-3);
    padding-bottom: var(--spacing-2);
    border-bottom: 1px solid var(--color-border-default);
}

.admin-stats-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

@media (max-width: 768px) {
    .admin-stats-columns {
        grid-template-columns: 1fr;
    }
}

.admin-stats-footer {
    text-align: right;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: var(--spacing-6);
}

/* ─── Filters Row ─────────────────────────────────────────────────────────── */

.admin-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--color-bg-hover-subtle);
    border: 1px solid var(--color-border-default);
    border-radius: var(--border-radius-lg);
}

.admin-filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    min-width: 140px;
    flex: 1;
}

/* ─── Result Summary & Pagination ─────────────────────────────────────────── */

.admin-result-summary {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-3);
}

.admin-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-3);
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-border-default);
}

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

/* ─── Admin Modal (shared popup pattern) ──────────────────────────────────── */

.admin-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-2);
}

.admin-modal {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: min(550px, 100%);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.admin-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-2) var(--spacing-3);
    border-bottom: 1px solid var(--color-border-default);
    gap: var(--spacing-2);
}

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

.admin-modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    font-size: var(--font-size-xl);
    line-height: 1;
    padding: 0 var(--spacing-1);
    border-radius: var(--radius-sm);
    transition: color var(--duration-fast) var(--easing-ease);
}

.admin-modal-close:hover {
    color: var(--color-text-primary);
}

.admin-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-3);
}

.admin-modal-footer {
    display: flex;
    gap: var(--spacing-1);
    padding: var(--spacing-2) var(--spacing-3);
    border-top: 1px solid var(--color-border-default);
}

/* ─── Content Reviews ─────────────────────────────────────────────────────── */

.review-summary-badges {
    display: flex;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-3);
}

.review-change-type {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.review-change-type-tags {
    background: var(--color-purple-bg-subtle);
    color: var(--color-purple-bright);
}

.review-change-type-markdown {
    background: var(--color-blue-bg);
    color: var(--color-blue);
}

.review-change-type-author {
    background: var(--color-green-bg);
    color: var(--color-green);
}

.review-change-type-validation {
    background: var(--color-orange-bg);
    color: var(--color-orange);
}

.review-cell-diff {
    max-width: 350px;
}

.review-value-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.review-value-fixed {
    color: var(--color-green-light);
}

.review-value-warning {
    color: var(--color-orange);
}

.review-preview-content {
    padding: var(--spacing-2);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    background: var(--color-bg-emphasis);
    max-height: 60vh;
    overflow-y: auto;
}

.admin-preview-article {
    max-width: 900px;
    margin: 0 auto;
}

.admin-preview-article::after {
    display: none;
}

.review-raw-markdown {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--color-text-primary);
    background: var(--color-bg-emphasis);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    padding: var(--spacing-3);
    max-width: 900px;
    margin: 0 auto;
}

.admin-modal-large {
    max-width: 900px;
}

.review-article-link {
    color: var(--color-blue);
    text-decoration: none;
    font-size: var(--font-size-sm);
}

.review-article-link:hover {
    text-decoration: underline;
}

.review-actions-cell {
    white-space: nowrap;
}

.review-edit-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-3);
}

.review-edit-textarea {
    min-height: 200px;
    max-height: 40vh;
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    resize: vertical;
    white-space: pre;
}

.review-edit-preview-actions {
    margin-bottom: var(--spacing-2);
}

.review-textarea-code {
    min-height: 300px;
    max-height: 60vh;
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
    resize: vertical;
    white-space: pre;
    width: 100%;
}

.admin-content-preview-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-3);
    margin-bottom: var(--spacing-3);
    background: var(--color-bg-emphasis);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

/* ─── Review diff: inline tag pills ─── */

.review-tag-diff {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-1);
    align-items: center;
}

.review-tag-pill {
    display: inline-block;
    padding: 1px 6px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-family: var(--font-family-mono);
    white-space: nowrap;
}

.review-tag-removed {
    background: var(--color-red-bg);
    color: var(--color-red);
    text-decoration: line-through;
    text-decoration-color: var(--color-red);
}

.review-tag-kept {
    background: var(--color-bg-emphasis);
    color: var(--color-text-secondary);
}

.review-tag-added {
    background: var(--color-green-dark-bg);
    color: var(--color-green-light);
}

/* ─── Review diff: author change ─── */

.review-author-diff {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
}

.review-author-removed {
    color: var(--color-red);
    text-decoration: line-through;
    text-decoration-color: var(--color-red);
}

.review-author-added {
    color: var(--color-green-light);
}

.review-author-arrow {
    color: var(--color-text-tertiary);
    flex-shrink: 0;
}