/*
 * Knowledgebase Public Styles
 * 
 * Mobile-first approach following WordPress Core standards.
 */

:root {
    /* Colors */
    --cmkb-primary: #0073aa;
    --cmkb-primary-hover: #005a87;
    --cmkb-bg: #f9f9f9;
    --cmkb-white: #ffffff;
    --cmkb-border: #eeeeee;
    --cmkb-text: #333333;
    --cmkb-text-light: #666666;
    --cmkb-text-muted: #999999;
    --cmkb-success: #46b450;
    --cmkb-error: #dc3232;

    /* Spacing */
    --cmkb-gap: 30px;
    --cmkb-gap-lg: 40px;
    --cmkb-container-width: 1200px;
    --cmkb-sidebar-width: 300px;
    --cmkb-single-sidebar-width: 280px;

    /* Borders */
    --cmkb-radius: 4px;
    --cmkb-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    --cmkb-shadow-hover: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Base Styles */
.cmkb-wrapper {
    background-color: var(--cmkb-bg);
    min-height: 80vh;
    color: var(--cmkb-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

.cmkb-container {
    max-width: var(--cmkb-container-width);
    margin: 0 auto;
    padding: 0 15px;
}

/* Hero & Header */
.cmkb-hero,
.cmkb-hero-small {
    background: var(--cmkb-white);
    border-bottom: 1px solid var(--cmkb-border);
}

.cmkb-hero {
    padding: clamp(30px, 5vw, 60px) 0;
    text-align: center;
    /* margin-bottom: var(--cmkb-gap-lg); */
}

.cmkb-hero-small {
    padding: 20px 0;
}

.cmkb-hero h1 {
    font-size: clamp(24px, 4vw, 36px);
    margin: 0 0 30px;
    color: var(--cmkb-text);
}

/* Search Form */
.cmkb-search-form {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.cmkb-search-form input.search-field {
    width: 100%;
    padding: 15px 20px;
    border-radius: 50px;
    border: 1px solid #ddd;
    font-size: 16px;
}

.cmkb-search-form button.search-submit {
    position: absolute;
    right: 5px;
    top: 5px;
    bottom: 5px;
    background: none;
    border: none;
    color: var(--cmkb-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Breadcrumbs */
.cmkb-breadcrumbs {
    font-size: 14px;
    color: var(--cmkb-text-light);
}

.cmkb-breadcrumbs a {
    text-decoration: none;
    color: #555;
    transition: color 0.1s;
}

.cmkb-breadcrumbs a:hover {
    color: var(--cmkb-primary);
}

/* Layouts (Mobile First) */
.cmkb-layout-with-sidebar {
    display: grid;
    gap: var(--cmkb-gap-lg);
    padding: var(--cmkb-gap-lg) 0;
    grid-template-areas: "sidebar" "content";
    grid-template-columns: 1fr;
}

.cmkb-layout-full {
    padding: var(--cmkb-gap-lg) 0;
}

.cmkb-layout-with-sidebar>.cmkb-sidebar,
.cmkb-layout-with-sidebar>.cmkb-archive-sidebar {
    grid-area: sidebar;
}

.cmkb-layout-with-sidebar>.cmkb-main,
.cmkb-layout-with-sidebar>.cmkb-archive-content {
    grid-area: content;
}

@media (min-width: 901px) {
    .cmkb-layout-with-sidebar {
        grid-template-areas: "content sidebar";
        grid-template-columns: 1fr var(--cmkb-sidebar-width);
    }

    /* Single article TOC width */
    .cmkb-single-wrapper .cmkb-layout-with-sidebar {
        grid-template-columns: 1fr var(--cmkb-single-sidebar-width);
    }
}

/* Shared Card Styles */
.cmkb-article,
.cmkb-category-card,
.cmkb-article-card,
.cmkb-article-entry,
.cmkb-toc-container,
.cmkb-no-results {
    background: var(--cmkb-white);
    border-radius: var(--cmkb-radius);
    box-shadow: var(--cmkb-shadow);
}

/* Home: Categories Grid */
.cmkb-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(250px, 100%, 300px), 1fr));
    gap: var(--cmkb-gap);
    margin-bottom: 60px;
}

.cmkb-category-card {
    padding: 30px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cmkb-category-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--cmkb-shadow-hover);
}

.cmkb-cat-title {
    font-size: 20px;
    margin: 0 0 10px;
}

.cmkb-cat-title a {
    text-decoration: none;
    color: var(--cmkb-text);
}

.cmkb-cat-count {
    font-size: 13px;
    color: var(--cmkb-text-muted);
    margin-bottom: 20px;
}

.cmkb-cat-articles {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
}

.cmkb-cat-articles li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.cmkb-cat-articles li:before {
    content: "\f497";
    font-family: "dashicons";
    position: absolute;
    left: 0;
    top: 2px;
    color: #ccc;
    font-size: 14px;
}

.cmkb-cat-articles li a {
    text-decoration: none;
    color: #555;
    transition: color 0.1s;
}

.cmkb-cat-articles li a:hover {
    color: var(--cmkb-primary);
}

.cmkb-view-all {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    color: var(--cmkb-primary);
}

/* Sidebars & TOC */
.cmkb-toc-container {
    position: sticky;
    top: 40px;
    padding: 20px;
    border-left: 3px solid var(--cmkb-primary);
}

@media (max-width: 900px) {
    .cmkb-toc-container {
        position: static;
        margin-bottom: 20px;
    }

    .cmkb-archive-sidebar {
        border-bottom: 1px solid var(--cmkb-border);
        padding-bottom: 20px;
        margin-bottom: 20px;
    }
}

.cmkb-toc-title {
    font-size: 16px;
    margin: 0 0 15px;
    font-weight: 600;
}

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

.cmkb-toc li {
    margin-bottom: 8px;
}

.cmkb-toc a {
    text-decoration: none;
    color: #666;
    font-size: 14px;
    display: block;
    padding: 2px 0;
}

.cmkb-toc a:hover,
.cmkb-toc a.active {
    color: var(--cmkb-primary);
    font-weight: 500;
}

.cmkb-toc li.cmkb-sub-heading {
    padding-left: 15px;
}

/* Article Content */
.cmkb-article {
    padding: clamp(20px, 5vw, 40px);
}

.cmkb-article-header {
    margin-bottom: 30px;
    border-bottom: 1px solid var(--cmkb-border);
    padding-bottom: 20px;
}

.cmkb-article-header h1 {
    font-size: clamp(24px, 4vw, 32px);
    margin: 0 0 10px;
    line-height: 1.2;
}

.cmkb-meta {
    font-size: 13px;
    color: var(--cmkb-text-muted);
}

.cmkb-article-content {
    font-size: 16px;
    line-height: 1.7;
    color: var(--cmkb-text);
}

.cmkb-article-content h2 {
    margin: 40px 0 20px;
    font-size: 24px;
}

.cmkb-article-content h3 {
    margin: 30px 0 15px;
    font-size: 20px;
}

/* Feedback */
.cmkb-feedback-section {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--cmkb-border);
    text-align: center;
}

.cmkb-feedback-section h3 {
    font-size: 18px;
    margin-bottom: 20px;
}

.cmkb-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    margin: 5px 10px;
    border: 1px solid #ddd;
    background: var(--cmkb-white);
    border-radius: 30px;
    cursor: pointer;
    font-size: 14px;
    color: #555;
    transition: all 0.2s;
}

.cmkb-btn:hover {
    background: #f5f5f5;
    border-color: #ccc;
}

.cmkb-btn.disabled {
    opacity: 0.6;
    cursor: default;
}

.cmkb-btn span {
    margin-right: 8px;
}

.cmkb-vote-up:hover {
    color: var(--cmkb-success);
    border-color: var(--cmkb-success);
    background: rgba(70, 180, 80, 0.05);
}

.cmkb-vote-down:hover {
    color: var(--cmkb-error);
    border-color: var(--cmkb-error);
    background: rgba(220, 50, 50, 0.05);
}

/* Archive Specifics */
.cmkb-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(clamp(250px, 100%, 280px), 1fr));
    gap: 20px;
}

.cmkb-article-card {
    padding: 25px;
    transition: transform 0.2s, box-shadow 0.2s;
    display: flex;
    flex-direction: column;
}

.cmkb-article-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--cmkb-shadow-hover);
}

.cmkb-article-card h3 {
    margin: 0 0 15px;
    font-size: 18px;
    line-height: 1.4;
}

.cmkb-article-card h3 a {
    text-decoration: none;
    color: var(--cmkb-text);
}

.cmkb-article-card h3 a:hover {
    color: var(--cmkb-primary);
}

.cmkb-card-excerpt {
    font-size: 14px;
    color: var(--cmkb-text-light);
    margin-bottom: 20px;
    flex-grow: 1;
    line-height: 1.6;
}

.cmkb-read-more {
    display: inline-block;
    font-weight: 500;
    text-decoration: none;
    color: var(--cmkb-primary);
}

.cmkb-read-more:hover {
    text-decoration: underline;
}

.cmkb-wrapper .cmkb-archive-sidebar {
    padding-left: 0;
}

@media (max-width: 900px) {
    .cmkb-archive-sidebar {
        padding-left: 0;
        border-left: none;
    }
}

.cmkb-wrapper .cmkb-sidebar-widget {
    margin-bottom: 30px;
    background: var(--cmkb-white) !important;
    padding: 25px;
    border-radius: var(--cmkb-radius);
    box-shadow: var(--cmkb-shadow);
    display: block;
}

.cmkb-wrapper .cmkb-sidebar-widget h3 {
    font-size: 18px;
    margin: 0 0 20px;
    border-bottom: 2px solid var(--cmkb-primary);
    padding-bottom: 10px;
    display: block;
}

.cmkb-sidebar-widget ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.cmkb-sidebar-widget li {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #f5f5f5;
}

.cmkb-sidebar-widget li:last-child {
    border-bottom: none;
}

.cmkb-sidebar-widget a {
    text-decoration: none;
    color: #444;
    font-weight: 500;
    display: block;
    margin-bottom: 5px;
    transition: color 0.1s;
}

.cmkb-sidebar-widget a:hover {
    color: var(--cmkb-primary);
}

.cmkb-sidebar-widget .children {
    margin: 20px 0 0 20px;
    opacity: .85;
    font-size: .9em;
}

.cmkb-date {
    display: block;
    font-size: 12px;
    color: var(--cmkb-text-muted);
}

/* Related & Pagination */
.cmkb-related-articles {
    margin-top: 40px;
}

.cmkb-related-articles h3 {
    font-size: 22px;
    margin-bottom: 20px;
}

.cmkb-related-articles ul {
    list-style: none;
    padding: 0;
}

.cmkb-related-articles li {
    margin-bottom: 10px;
    padding: 15px;
    background: var(--cmkb-white);
    border-left: 3px solid var(--cmkb-border);
    transition: border-color 0.2s;
}

.cmkb-related-articles li a {
    text-decoration: none;
    color: var(--cmkb-text);
    font-weight: 500;
}

.cmkb-related-articles li:hover {
    border-left-color: var(--cmkb-primary);
}

.cmkb-pagination {
    margin-top: 40px;
    text-align: center;
}

.cmkb-pagination .page-numbers {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 5px;
    border: 1px solid #ddd;
    border-radius: var(--cmkb-radius);
    text-decoration: none;
    color: #555;
    background: var(--cmkb-white);
    transition: all 0.2s;
}

.cmkb-pagination .page-numbers.current,
.cmkb-pagination .page-numbers:hover {
    background: var(--cmkb-primary);
    color: var(--cmkb-white);
    border-color: var(--cmkb-primary);
}

.cmkb-no-results {
    text-align: center;
    padding: 40px;
    color: var(--cmkb-text-muted);
    font-size: 16px;
}