/**
 * Acumenon Frontend CSS
 */

.acumenon-wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2em;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.acumenon-page-title {
    text-align: center;
    margin-bottom: 2em;
    font-size: 2.5rem;
    color: #1a202c;
}

/* Category Grid */
.acumenon-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.acumenon-category-card {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease-in-out;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.acumenon-category-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border-color: #cbd5e0;
}

.acumenon-category-card .category-title {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    color: #2d3748;
}

.acumenon-category-card .category-count {
    font-size: 0.875rem;
    color: #718096;
}

/* Single layout - 3 Columns */
.acumenon-layout-grid {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr) 280px;
    gap: 3rem;
}

@media (max-width: 1024px) {
    .acumenon-layout-grid {
        grid-template-columns: 250px minmax(0, 1fr);
    }

    .acumenon-sidebar-right {
        display: none;
    }
}

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

    .acumenon-sidebar-left {
        order: 2;
    }

    .acumenon-main-content {
        order: 1;
    }
}

.acumenon-sidebar-inner {
    position: sticky;
    top: 2rem;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
    padding-inline-end: 0.5rem;
}

/* Sidebar Search */
.acumenon-sidebar-search {
    position: relative;
    display: flex;
    align-items: center;
    background: #f7fafc;
    border-radius: 8px;
    padding: 0.6rem 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid #edf2f7;
    transition: all 0.2s;
}

.acumenon-sidebar-search:focus-within {
    background: #fff;
    border-color: #cbd5e0;
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
}

.acumenon-sidebar-search .search-icon {
    color: #a0aec0;
    margin-inline-end: 0.5rem;
    flex-shrink: 0;
}

.acumenon-sidebar-search input[type="search"] {
    border: none !important;
    background: transparent !important;
    outline: none !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 !important;
    flex-grow: 1;
    font-size: 0.95rem;
    color: #2d3748;
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
}

.acumenon-sidebar-search .search-hint {
    font-size: 0.75rem;
    color: #a0aec0;
    background: #fff;
    border: 1px solid #e2e8f0;
    padding: 2px 5px;
    border-radius: 4px;
    margin-inline-start: 0.5rem;
    flex-shrink: 0;
    font-family: monospace;
}

/* Sidebar Accordion Nav */
.acumenon-accordion-nav {
    margin-top: 1.5rem;
}

.acumenon-accordion-group {
    margin-bottom: 0.5rem;
}

.acumenon-accordion-header {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-radius: 6px;
    background: transparent;
    transition: background 0.2s;
    color: #4a5568;
    font-weight: 500;
}

.acumenon-accordion-header:hover {
    background: #edf2f7;
}

.acumenon-accordion-header .folder-svg {
    margin-inline-end: 0.5rem;
    color: #a0aec0;
}

.acumenon-accordion-group.is-active .acumenon-accordion-header {
    background: #edf2f7;
    color: #2d3748;
}

.acumenon-accordion-group.is-active .folder-svg {
    color: #2d3748;
}

.acumenon-accordion-header .term-count {
    margin-inline-start: auto;
    background: #e2e8f0;
    color: #4a5568;
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 999px;
}

.acumenon-accordion-content {
    margin-inline-start: 1.2rem;
    padding-inline-start: 1rem;
    border-inline-start: 1px solid #e2e8f0;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
}

.acumenon-accordion-content ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.acumenon-accordion-content li {
    margin-bottom: 0.25rem;
}

.acumenon-accordion-content li a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: #718096;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.95rem;
    line-height: 1.4;
    transition: all 0.2s;
}

.acumenon-accordion-content li a:hover {
    color: #2b6cb0;
}

.acumenon-accordion-content li.active-post a {
    background: #e6ffed;
    color: #22543d;
    font-weight: 500;
    position: relative;
}

.acumenon-accordion-content li.active-post::before {
    content: '';
    position: absolute;
    inset-inline-start: -1rem;
    /* Reach back to the left border */
    top: 0;
    bottom: 0;
    width: 2px;
    background: #38a169;
}

/* Center Main Content */
.acumenon-main-content {
    background: #fff;
    padding: 2.5rem 0;
    /* Minimal edges on single post layout */
}

/* Breadcrumbs */
.acumenon-breadcrumbs {
    font-size: 0.875rem;
    color: #a0aec0;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.acumenon-breadcrumbs a {
    color: #718096;
    text-decoration: none;
}

.acumenon-breadcrumbs a:hover {
    color: #2b6cb0;
}

.acumenon-breadcrumbs .sep {
    color: #cbd5e0;
}

.acumenon-breadcrumbs .current {
    color: #2d3748;
    font-weight: 500;
}

/* Single Post Entry Header */
.acumenon-post-article .entry-header {
    margin-bottom: 2rem;
}

.acumenon-post-article .entry-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2d3748;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.acumenon-post-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: transparent;
    padding: 0;
}

.acumenon-post-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.875rem;
    color: #718096;
    background: #f7fafc;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    border: 1px solid #edf2f7;
}

.acumenon-post-meta .meta-item svg {
    flex-shrink: 0;
    opacity: 0.8;
}

.acumenon-post-article .entry-content {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #4a5568;
}

.acumenon-post-article .entry-content h2,
.acumenon-post-article .entry-content h3 {
    color: #2d3748;
    margin-top: 2em;
    margin-bottom: 0.75em;
}

/* Right Sidebar TOC */
.acumenon-toc-container {
    border-inline-start: 2px solid #edf2f7;
    padding-inline-start: 1.5rem;
}

.acumenon-toc-container .toc-title {
    display: block;
    font-size: 1.1rem;
    color: #4a5568;
    margin-bottom: 1rem;
}

#acumenon-dynamic-toc ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

#acumenon-dynamic-toc li {
    margin-bottom: 0.5rem;
}

#acumenon-dynamic-toc li.toc-h3 {
    margin-inline-start: 1rem;
    font-size: 0.9em;
}

#acumenon-dynamic-toc a {
    color: #718096;
    text-decoration: none;
    font-size: 0.95rem;
    line-height: 1.4;
    transition: color 0.2s;
    display: block;
}

#acumenon-dynamic-toc a:hover {
    color: #2b6cb0;
}

#acumenon-dynamic-toc a.active-toc {
    color: #3182ce;
    font-weight: 600;
}

/* Category List view */
.acumenon-docs-list ul {
    list-style: none;
    padding: 0;
}

.acumenon-docs-list li {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.acumenon-docs-list li:last-child {
    border-bottom: none;
}

.acumenon-docs-list a {
    text-decoration: none;
    color: #2b6cb0;
    font-size: 1.1rem;
}

.acumenon-docs-list a:hover {
    text-decoration: underline;
}

/* Search Results Dropdown */
.acumenon-search-results {
    display: none;
    position: absolute;
    top: 100%;
    inset-inline-start: 0;
    width: 100%;
    max-width: 600px;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-top: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 100;
    text-align: start;
    max-height: 400px;
    overflow-y: auto;
}

.acumenon-search-results ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.acumenon-search-results li {
    border-bottom: 1px solid #edf2f7;
}

.acumenon-search-results li:last-child {
    border-bottom: none;
}

.acumenon-search-results a {
    display: block;
    padding: 1rem;
    color: #2d3748;
    text-decoration: none;
    transition: background 0.2s;
}

.acumenon-search-results a:hover {
    background: #ebf8ff;
    color: #2b6cb0;
}

.acumenon-search-loading,
.acumenon-search-empty,
.acumenon-search-error {
    padding: 1rem;
    color: #718096;
    text-align: center;
}

/* Category Taxonomy List Styling */
.acumenon-category-list-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.acumenon-list-card {
    display: flex;
    align-items: center;
    padding: 1.25rem 1.75rem;
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease-in-out;
}

.acumenon-list-card:hover {
    transform: translateInline(4px);
    /* Note: translateInline is not standard, use translateX with dir variable or just margin */
    margin-inline-start: 4px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border-color: #cbd5e0;
}

.acumenon-list-card .doc-icon {
    color: #a0aec0;
    margin-inline-end: 1rem;
    flex-shrink: 0;
}

.acumenon-list-card .card-content {
    flex-grow: 1;
}

.acumenon-list-card .card-title {
    margin: 0;
    font-size: 1.15rem;
    color: #2d3748;
    font-weight: 500;
}

.acumenon-list-card .card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    padding: 0;
    flex-shrink: 0;
}

.acumenon-list-card .card-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: #f7fafc;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    border: 1px solid #edf2f7;
}

/* -----------------------------------------
   Multiple KB Tabs & Category Box Grid 
----------------------------------------- */
.acumenon-kb-tabs {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 1rem;
	margin-bottom: 3rem;
}

.acumenon-tab-link {
	display: inline-block;
	text-decoration: none;
	background-color: #EEF2FF;
	color: #3730A3;
	border: none;
	padding: 0.75rem 1.5rem;
	border-radius: 6px;
	font-weight: 600;
	font-size: 1rem;
	cursor: pointer;
	transition: all 0.3s ease;
	font-family: inherit;
}

.acumenon-tab-link:hover,
.acumenon-tab-link.active {
	background-color: #4F46E5;
	color: #ffffff;
}

.acumenon-tab-panel {
	display: none;
	animation: fadeIn 0.4s ease-in-out;
}

.acumenon-tab-panel.active {
	display: block;
}

@keyframes fadeIn {
	from { opacity: 0; transform: translateY(10px); }
	to { opacity: 1; transform: translateY(0); }
}

.acumenon-category-box {
	background: #ffffff;
	border-radius: 12px;
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
	padding: 2rem;
	border: 1px solid #f3f4f6;
	display: flex;
	flex-direction: column;
	transition: box-shadow 0.3s ease;
}

.acumenon-category-box:hover {
	box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.acumenon-category-box .box-header {
	display: flex;
	align-items: center;
	gap: 1rem;
	margin-bottom: 1.5rem;
	color: #111827;
	text-decoration: none;
}

.acumenon-category-box .box-header svg {
	color: #4F46E5;
}

.acumenon-category-box .category-title {
	font-size: 1.25rem;
	font-weight: 700;
	margin: 0;
}

.box-post-list {
	list-style: none;
	margin: 0 0 1.5rem 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
	flex-grow: 1;
}

.box-post-list li {
	display: flex;
	align-items: flex-start;
	gap: 0.5rem;
	line-height: 1.5;
}

.box-post-list li svg {
	margin-top: 0.2rem;
	color: #9CA3AF;
	flex-shrink: 0;
}

.box-post-list li a {
	color: #4B5563;
	text-decoration: none;
	transition: color 0.2s ease;
}

.box-post-list li a:hover {
	color: #4F46E5;
}

.box-explore-btn {
	display: inline-flex;
	align-self: flex-start;
	align-items: center;
	padding: 0.5rem 1.25rem;
	border: 1px solid #A5B4FC;
	border-radius: 999px;
	color: #4F46E5;
	font-weight: 500;
	text-decoration: none;
	transition: all 0.2s ease;
	font-size: 0.9rem;
}

.box-explore-btn:hover {
	background-color: #EEF2FF;
	color: #3730A3;
	border-color: #818CF8;
}