/**
 * Wiki Page Styles
 * @version 2.0.0
 */

/* --- Layout --- */
html {
    scroll-behavior: smooth;
}

/* Override header logo container styles */
.site-logo a.back-link,
.site-logo .back-link,
.site-logo > a {
    border: none !important;
    background: transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
}

/* Three-column grid layout */
.wiki-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr) 220px;
    margin-top: 80px;
}

/* --- Left Sidebar --- */
.doc-sidebar {
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
    padding: 0.75rem;
    background: var(--color-surface, #f5f5f3);
    border-right: 1px solid var(--color-border, #ddd);
    align-self: start;
    scrollbar-width: thin;
}

/* --- Search --- */
.wiki-search {
    position: relative;
    margin-bottom: 0.75rem;
}

.wiki-search__input {
    width: 100%;
    padding: 0.5rem 0.5rem 0.5rem 0.5rem;
    border: 1px solid var(--color-border, #ddd);
    border-radius: 6px;
    background: var(--color-background, #fff);
    color: var(--color-text, #333);
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.wiki-search__input:focus {
    border-color: var(--color-primary, #4a90e2);
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.15);
}

.wiki-search__shortcut {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.1rem 0.35rem;
    border: 1px solid var(--color-border, #ddd);
    border-radius: 3px;
    font-size: 0.65rem;
    color: var(--color-text-secondary, #999);
    background: var(--color-surface, #f5f5f3);
    pointer-events: none;
    font-family: system-ui, sans-serif;
}

/* --- Sidebar Groups (collapsible) --- */
.sidebar-group {
    margin-bottom: 0.25rem;
}

.sidebar-group > summary {
    list-style: none;
    cursor: pointer;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-text-secondary, #666);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.5rem;
    border-radius: 4px;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.sidebar-group > summary:hover {
    background: var(--color-primary-light, #e8f4f8);
}

.sidebar-group > summary::-webkit-details-marker {
    display: none;
}

.sidebar-group > summary::before {
    content: '\25B8';
    display: inline-block;
    transition: transform 0.2s;
    font-size: 0.65rem;
}

.sidebar-group[open] > summary::before {
    transform: rotate(90deg);
}

/* --- Nav Sections within groups --- */
.doc-nav-section {
    margin-bottom: 0.25rem;
    padding-left: 0.25rem;
}

.doc-nav-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-secondary, #666);
    padding: 0.35rem 0.5rem;
}

.doc-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.doc-nav li {
    margin: 0;
}

.doc-nav a {
    display: block;
    padding: 0.35rem 0.5rem;
    text-decoration: none;
    color: var(--color-text, #333);
    border-radius: 4px;
    font-size: 0.85rem;
    transition: background-color 0.15s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.doc-nav a:hover,
.doc-nav a.active {
    background-color: var(--color-primary-light, #e8f4f8);
}

.doc-nav a.active {
    font-weight: 600;
    color: var(--color-primary, #4a90e2);
}

/* --- Content Area --- */
.doc-content {
    padding: 2rem 2.5rem;
    max-width: 900px;
    min-width: 0;
}

/* --- Table of Contents (Right Sidebar) --- */
.doc-toc {
    position: sticky;
    top: 80px;
    height: calc(100vh - 80px);
    overflow-y: auto;
    padding: 1.5rem 1rem 1rem 0;
    align-self: start;
    scrollbar-width: thin;
    border-left: 1px solid var(--color-border, #ddd);
}

.toc-title {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary, #666);
    padding: 0 0.75rem 0.5rem;
}

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

.toc-item {
    margin: 0;
}

.toc-item a {
    display: block;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    color: var(--color-text-secondary, #666);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}

.toc-item a:hover {
    color: var(--color-text, #333);
}

.toc-item a.active {
    color: var(--color-primary, #4a90e2);
    border-left-color: var(--color-primary, #4a90e2);
}

.toc-item--nested a {
    padding-left: 1.5rem;
    font-size: 0.78rem;
}

/* --- Previous / Next Navigation --- */
.prev-next-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border, #ddd);
}

.prev-next__link {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    border: 1px solid var(--color-border, #ddd);
    border-radius: 8px;
    text-decoration: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.prev-next__link:hover {
    border-color: var(--color-primary, #4a90e2);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.1);
    text-decoration: none;
}

.prev-next__link--next {
    text-align: right;
    grid-column: 2;
}

.prev-next__label {
    font-size: 0.75rem;
    color: var(--color-text-secondary, #666);
    margin-bottom: 0.25rem;
}

.prev-next__title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-primary, #4a90e2);
}

/* --- Callout / Admonition Styles --- */
.callout {
    margin: 1rem 0;
    padding: 0.75rem 1rem;
    border-radius: 6px;
    border-left: 4px solid;
}

.callout__title {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.callout__content p:first-child {
    margin-top: 0;
}

.callout__content p:last-child {
    margin-bottom: 0;
}

.callout--note {
    background: rgba(74, 144, 226, 0.08);
    border-left-color: #4a90e2;
}

.callout--note .callout__title {
    color: #4a90e2;
}

.callout--tip {
    background: rgba(46, 160, 67, 0.08);
    border-left-color: #2ea043;
}

.callout--tip .callout__title {
    color: #2ea043;
}

.callout--warning {
    background: rgba(227, 179, 65, 0.1);
    border-left-color: #d4a017;
}

.callout--warning .callout__title {
    color: #b8860b;
}

.callout--caution {
    background: rgba(231, 76, 60, 0.08);
    border-left-color: #e74c3c;
}

.callout--caution .callout__title {
    color: #e74c3c;
}

.callout--important {
    background: rgba(130, 80, 223, 0.08);
    border-left-color: #8250df;
}

.callout--important .callout__title {
    color: #8250df;
}

/* --- Search Results --- */
.search-results {
    padding: 1rem 0;
}

.search-results__header {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-text, #333);
}

.search-results__count {
    font-size: 0.85rem;
    color: var(--color-text-secondary, #666);
    margin-bottom: 1.5rem;
}

.search-result {
    padding: 1rem;
    border: 1px solid var(--color-border, #ddd);
    border-radius: 6px;
    margin-bottom: 0.75rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

.search-result:hover {
    border-color: var(--color-primary, #4a90e2);
}

.search-result__title {
    font-weight: 600;
    color: var(--color-primary, #4a90e2);
    margin-bottom: 0.25rem;
}

.search-result__section {
    font-size: 0.75rem;
    color: var(--color-text-secondary, #999);
    margin-bottom: 0.5rem;
}

.search-result__snippet {
    font-size: 0.85rem;
    color: var(--color-text-secondary, #666);
    line-height: 1.5;
}

.search-result__snippet mark {
    background: rgba(74, 144, 226, 0.2);
    color: inherit;
    padding: 0.1em 0.2em;
    border-radius: 2px;
}

.search-loading {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-secondary, #666);
}

/* --- Hidden elements for search filtering --- */
.doc-nav-section[hidden],
.doc-nav li[hidden],
.sidebar-group[hidden] {
    display: none;
}

/* --- Markdown Body --- */
.markdown-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--color-text, #333);
}

.markdown-body h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 2rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-border, #ddd);
}

.markdown-body h2 {
    font-size: 2rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem;
}

.markdown-body h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.25rem 0 0.75rem;
}

.markdown-body h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem;
}

.markdown-body p {
    margin: 1rem 0;
}

.markdown-body ul,
.markdown-body ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.markdown-body li {
    margin: 0.5rem 0;
}

/* Reduce paragraph margins inside list items for tighter spacing */
.markdown-body li > p {
    margin: 0.25rem 0;
}

.markdown-body li > p:first-child {
    margin-top: 0;
}

.markdown-body li > p:last-child {
    margin-bottom: 0;
}

.markdown-body code {
    background: var(--color-code-bg, #f5f5f5);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.markdown-body pre {
    background: var(--color-code-bg, #f5f5f5);
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 1rem 0;
}

.markdown-body pre code {
    background: none;
    padding: 0;
}

.markdown-body blockquote {
    border-left: 4px solid var(--color-primary, #4a90e2);
    margin: 1rem 0;
    padding-left: 1rem;
    color: var(--color-text-secondary, #666);
}

.markdown-body table {
    border-collapse: collapse;
    width: 100%;
    margin: 1rem 0;
}

.markdown-body th,
.markdown-body td {
    border: 1px solid var(--color-border, #ddd);
    padding: 0.75rem;
    text-align: left;
}

.markdown-body th {
    background: var(--color-surface, #f5f5f3);
    font-weight: 600;
}

.markdown-body a {
    color: var(--color-primary, #4a90e2);
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

/* Anchor links for headings */
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    position: relative;
    scroll-margin-top: 100px;
}

.anchor-link {
    color: var(--color-text-secondary, #999);
    text-decoration: none;
    opacity: 0;
    transition: opacity 0.2s;
    margin-right: 0.25rem;
}

.markdown-body h1:hover .anchor-link,
.markdown-body h2:hover .anchor-link,
.markdown-body h3:hover .anchor-link,
.markdown-body h4:hover .anchor-link,
.markdown-body h5:hover .anchor-link,
.markdown-body h6:hover .anchor-link {
    opacity: 1;
}

.anchor-link:hover {
    color: var(--color-primary, #4a90e2);
}

/* --- States --- */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-secondary, #666);
}

.error-state {
    text-align: center;
    padding: 3rem;
}

.error-state h2 {
    color: var(--color-error, #e74c3c);
    margin-bottom: 1rem;
}

.error-state p {
    color: var(--color-text-secondary, #666);
    margin-bottom: 1.5rem;
}

.error-detail {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary, #999);
}

.error-actions {
    margin-top: 1.5rem;
}

.error-state .btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--color-primary, #4a90e2);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    margin: 0.25rem;
}

.error-state .btn:hover {
    background: var(--color-primary-dark, #357abd);
}

.error-state .btn-secondary {
    background: var(--color-surface, #f5f5f3);
    color: var(--color-text, #333);
    border: 1px solid var(--color-border, #ddd);
}

.error-state .btn-secondary:hover {
    background: var(--color-border, #ddd);
}

.file-path {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--color-code-bg, #f5f5f5);
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.875rem;
    margin: 0.5rem 0;
}

/* --- Mobile sidebar toggle --- */
.sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    z-index: 100;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid var(--color-border, #ddd);
    background: var(--color-surface, #f5f5f3);
    color: var(--color-text, #333);
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    line-height: 1;
    align-items: center;
    justify-content: center;
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 199;
}

.sidebar-backdrop.active {
    display: block;
}

/* --- Responsive: medium screens (hide TOC) --- */
@media (max-width: 1200px) {
    .wiki-layout {
        grid-template-columns: 260px minmax(0, 1fr);
    }

    .doc-toc {
        display: none;
    }
}

/* --- Responsive: small screens (collapsible sidebar) --- */
@media (max-width: 768px) {
    .wiki-layout {
        grid-template-columns: 1fr;
    }

    .doc-sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100vh;
        z-index: 200;
        transition: left 0.3s ease;
        padding-top: 1rem;
    }

    .doc-sidebar.open {
        left: 0;
        box-shadow: 4px 0 16px rgba(0, 0, 0, 0.15);
    }

    .sidebar-toggle {
        display: flex;
    }

    .doc-content {
        padding: 1.5rem 1rem;
    }

    .doc-toc {
        display: none;
    }

    .prev-next-nav {
        grid-template-columns: 1fr;
    }

    .prev-next__link--next {
        grid-column: 1;
        text-align: left;
    }
}