/**
 * Docs plugin — public FAQ & Docs page styling.
 *
 * Provides accordion behavior for FAQ lists, clean list layout
 * for user guides, prose styling for rendered markdown content,
 * and a table-of-contents sidebar for detail pages.
 */

/* ============================================================
   FAQ Accordion
   ============================================================ */

.tm-faq-category {
    margin-bottom: 2rem;
}

.tm-faq-category-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--tm-text-strong, #1a1a2e);
    margin: 0 0 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--tm-border, #e2e8f0);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: capitalize;
}

.tm-faq-category-title .tm-faq-category-count {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--tm-text-muted, #64748b);
}

.tm-faq-accordion {
    border: 1px solid var(--tm-border, #e2e8f0);
    border-radius: 0.5rem;
    overflow: hidden;
    background: var(--tm-surface, #fff);
}

.tm-faq-accordion + .tm-faq-accordion {
    margin-top: 0.5rem;
}

.tm-faq-accordion-item {
    border-bottom: 1px solid var(--tm-border, #e2e8f0);
}

.tm-faq-accordion-item:last-child {
    border-bottom: none;
}

.tm-faq-accordion-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--tm-text, #334155);
    transition: background-color 0.15s ease;
}

.tm-faq-accordion-header:hover,
.tm-faq-accordion-header:focus {
    background-color: var(--tm-surface-hover, #f8fafc);
}

.tm-faq-accordion-header:focus-visible {
    outline: 2px solid var(--tm-accent, #3b82f6);
    outline-offset: -2px;
}

.tm-faq-accordion-q-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--tm-accent-soft, #eff6ff);
    color: var(--tm-accent, #3b82f6);
    font-size: 0.75rem;
    margin-top: 0.125rem;
}

.tm-faq-accordion-q-text {
    flex: 1;
    line-height: 1.5;
}

.tm-faq-accordion-chevron {
    flex-shrink: 0;
    color: var(--tm-text-muted, #94a3b8);
    transition: transform 0.2s ease;
    margin-top: 0.25rem;
}

.tm-faq-accordion-item--open .tm-faq-accordion-chevron {
    transform: rotate(180deg);
}

.tm-faq-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.tm-faq-accordion-body-inner {
    padding: 0 1.25rem 1.25rem 3.5rem;
    color: var(--tm-text, #475569);
    line-height: 1.7;
}

.tm-faq-accordion-body-inner p:first-child {
    margin-top: 0;
}

.tm-faq-accordion-body-inner p:last-child {
    margin-bottom: 0;
}

.tm-faq-accordion-source {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--tm-text-muted, #94a3b8);
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--tm-border, #e2e8f0);
}

/* ============================================================
   Docs List — clean list layout
   ============================================================ */

.tm-docs-category {
    margin-bottom: 2rem;
}

.tm-docs-category-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--tm-text-strong, #1a1a2e);
    margin: 0 0 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--tm-border, #e2e8f0);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: capitalize;
}

.tm-docs-category-title .tm-docs-category-count {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--tm-text-muted, #64748b);
}

.tm-docs-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tm-docs-list-item {
    margin: 0;
    padding: 0;
}

.tm-docs-list-item-link {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--tm-surface, #fff);
    border: 1px solid var(--tm-border, #e2e8f0);
    border-radius: 0.5rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.tm-docs-list-item-link:hover,
.tm-docs-list-item-link:focus {
    border-color: var(--tm-accent, #3b82f6);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.1);
    text-decoration: none;
}

.tm-docs-list-item-icon {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    background: var(--tm-accent-soft, #eff6ff);
    color: var(--tm-accent, #3b82f6);
    font-size: 1.1rem;
}

.tm-docs-list-item-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.tm-docs-list-item-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--tm-text-strong, #1a1a2e);
    line-height: 1.4;
}

.tm-docs-list-item-link:hover .tm-docs-list-item-title,
.tm-docs-list-item-link:focus .tm-docs-list-item-title {
    color: var(--tm-accent, #3b82f6);
}

.tm-docs-list-item-keywords {
    font-size: 0.8rem;
    color: var(--tm-text-muted, #94a3b8);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tm-docs-list-item-source {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.78rem;
    color: var(--tm-text-muted, #64748b);
}

.tm-docs-list-item-version {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.1rem 0.4rem;
    border-radius: 0.25rem;
    background: var(--tm-surface-hover, #f1f5f9);
    font-size: 0.72rem;
}

.tm-docs-list-item-arrow {
    flex-shrink: 0;
    color: var(--tm-text-muted, #94a3b8);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    transition: transform 0.15s ease, color 0.15s ease;
}

.tm-docs-list-item-link:hover .tm-docs-list-item-arrow,
.tm-docs-list-item-link:focus .tm-docs-list-item-arrow {
    color: var(--tm-accent, #3b82f6);
    transform: translateX(3px);
}

/* ============================================================
   Prose styling for rendered markdown content
   ============================================================ */

.tm-prose {
    max-width: 48rem;
    color: var(--tm-text, #334155);
    line-height: 1.75;
    font-size: 1rem;
}

.tm-prose h1,
.tm-prose h2,
.tm-prose h3,
.tm-prose h4,
.tm-prose h5,
.tm-prose h6 {
    color: var(--tm-text-strong, #1a1a2e);
    font-weight: 600;
    line-height: 1.3;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    scroll-margin-top: 2rem;
}

.tm-prose h1 {
    font-size: 1.75rem;
    margin-top: 0;
}

.tm-prose h2 {
    font-size: 1.4rem;
    padding-bottom: 0.3rem;
    border-bottom: 1px solid var(--tm-border, #e2e8f0);
}

.tm-prose h3 {
    font-size: 1.2rem;
}

.tm-prose h4 {
    font-size: 1.05rem;
}

.tm-prose p {
    margin: 0 0 1rem;
}

.tm-prose ul,
.tm-prose ol {
    margin: 0 0 1rem;
    padding-left: 1.5rem;
}

.tm-prose li {
    margin-bottom: 0.4rem;
}

.tm-prose li:last-child {
    margin-bottom: 0;
}

.tm-prose ul > li {
    list-style: disc;
}

.tm-prose ol > li {
    list-style: decimal;
}

.tm-prose a {
    color: var(--tm-accent, #3b82f6);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.tm-prose a:hover {
    text-decoration: none;
    opacity: 0.85;
}

.tm-prose code {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.875em;
    background: var(--tm-surface-hover, #f1f5f9);
    padding: 0.15rem 0.35rem;
    border-radius: 0.25rem;
    color: var(--tm-text-strong, #1a1a2e);
}

.tm-prose pre {
    background: var(--tm-surface-dark, #1e293b);
    color: #e2e8f0;
    padding: 1rem 1.25rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 0 0 1.25rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.tm-prose pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

.tm-prose blockquote {
    border-left: 4px solid var(--tm-accent, #3b82f6);
    padding: 0.5rem 0 0.5rem 1rem;
    margin: 0 0 1.25rem;
    color: var(--tm-text-muted, #64748b);
    font-style: italic;
}

.tm-prose blockquote p:last-child {
    margin-bottom: 0;
}

.tm-prose table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 1.25rem;
    font-size: 0.9rem;
}

.tm-prose th,
.tm-prose td {
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--tm-border, #e2e8f0);
    text-align: left;
}

.tm-prose th {
    background: var(--tm-surface-hover, #f8fafc);
    font-weight: 600;
    color: var(--tm-text-strong, #1a1a2e);
}

.tm-prose img {
    max-width: 100%;
    height: auto;
    border-radius: 0.5rem;
    margin: 0 0 1.25rem;
}

.tm-prose hr {
    border: none;
    border-top: 1px solid var(--tm-border, #e2e8f0);
    margin: 2rem 0;
}

/* ============================================================
   Detail page layout with TOC sidebar
   ============================================================ */

.tm-docs-detail-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: start;
}

@media (min-width: 1024px) {
    .tm-docs-detail-layout {
        grid-template-columns: 16rem 1fr;
    }
}

.tm-docs-toc {
    position: sticky;
    top: 1rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
    padding: 1rem 1.25rem;
    background: var(--tm-surface, #fff);
    border: 1px solid var(--tm-border, #e2e8f0);
    border-radius: 0.5rem;
    display: none;
}

@media (min-width: 1024px) {
    .tm-docs-toc {
        display: block;
    }
}

.tm-docs-toc-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--tm-text-muted, #94a3b8);
    margin: 0 0 0.75rem;
}

.tm-docs-toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tm-docs-toc-list li {
    margin-bottom: 0.35rem;
}

.tm-docs-toc-link {
    display: block;
    font-size: 0.85rem;
    color: var(--tm-text-muted, #64748b);
    text-decoration: none;
    padding: 0.2rem 0.5rem;
    border-left: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
    line-height: 1.4;
}

.tm-docs-toc-link:hover,
.tm-docs-toc-link:focus {
    color: var(--tm-accent, #3b82f6);
    text-decoration: none;
    border-left-color: var(--tm-accent, #3b82f6);
}

.tm-docs-toc-link--active {
    color: var(--tm-accent, #3b82f6);
    border-left-color: var(--tm-accent, #3b82f6);
    font-weight: 500;
}

.tm-docs-toc-list .tm-docs-toc-sub {
    padding-left: 1rem;
}

.tm-docs-toc-list .tm-docs-toc-sub .tm-docs-toc-link {
    font-size: 0.8rem;
}

/* ============================================================
   Detail page content wrapper
   ============================================================ */

.tm-docs-content-wrapper {
    background: var(--tm-surface, #fff);
    border: 1px solid var(--tm-border, #e2e8f0);
    border-radius: 0.5rem;
    padding: 2rem;
    min-width: 0;
}

@media (max-width: 768px) {
    .tm-docs-content-wrapper {
        padding: 1.25rem;
    }
}

/* ============================================================
   FAQ detail — feedback section
   ============================================================ */

.tm-docs-feedback {
    margin-top: 2rem;
    padding: 1.25rem;
    background: var(--tm-surface-hover, #f8fafc);
    border-radius: 0.5rem;
    border: 1px solid var(--tm-border, #e2e8f0);
    text-align: center;
}

.tm-docs-feedback-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--tm-text, #334155);
    margin: 0 0 0.75rem;
}

.tm-docs-feedback-actions {
    display: inline-flex;
    gap: 0.5rem;
}

.tm-docs-feedback-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--tm-border, #e2e8f0);
    border-radius: 0.375rem;
    background: var(--tm-surface, #fff);
    color: var(--tm-text, #475569);
    font-size: 0.85rem;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.tm-docs-feedback-btn:hover {
    border-color: var(--tm-accent, #3b82f6);
    color: var(--tm-accent, #3b82f6);
}

.tm-docs-feedback-btn.is-selected {
    border-color: var(--tm-accent, #3b82f6);
    color: var(--tm-accent, #3b82f6);
    background: var(--tm-accent-soft, #eff6ff);
}

/* ============================================================
   Misc — expand/collapse all for FAQ
   ============================================================ */

.tm-faq-controls {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tm-faq-controls-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--tm-border, #e2e8f0);
    border-radius: 0.375rem;
    background: var(--tm-surface, #fff);
    color: var(--tm-text-muted, #64748b);
    font-size: 0.8rem;
    cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.tm-faq-controls-btn:hover {
    border-color: var(--tm-accent, #3b82f6);
    color: var(--tm-accent, #3b82f6);
}