/* ============ Theme tokens ============ */

:root {
    --bg: #f4f5f7;
    --bg-soft: #ffffff;
    --panel: #ffffff;
    --panel-border: #e2e5eb;
    --text: #1b1f27;
    --text-dim: #6b7280;
    --accent: #1568b0;
    --accent-hover: #0f5590;
    --accent-soft: rgba(21, 104, 176, 0.1);
    --navbar-bg: #1568b0;
    --navbar-text: #ffffff;
    --discord: #5865f2;
    --discord-hover: #4a55d6;
    --success: #1f9d67;
    --success-soft: rgba(31, 157, 103, 0.12);
    --error: #d93025;
    --error-soft: rgba(217, 48, 37, 0.1);
    --note-color: #2f6fed;
    --note-soft: rgba(47, 111, 237, 0.1);
    --warn-color: #b45309;
    --warn-soft: rgba(217, 119, 6, 0.12);
    --important-color: #7c3aed;
    --important-soft: rgba(124, 58, 237, 0.1);
    --star-color: #f2b84b;
    --radius: 10px;
    --code-bg: #eef0f4;
    --hljs-keyword: #a626a4;
    --hljs-string: #50a14f;
    --hljs-comment: #a0a1a7;
    --hljs-number: #986801;
    --hljs-title: #4078f2;
    --hljs-attr: #986801;
    --hljs-meta: #0184bc;
}

:root[data-theme="dark"] {
    --bg: #0f1117;
    --bg-soft: #161925;
    --panel: #1b1f2e;
    --panel-border: #2a2f42;
    --text: #e9eaf3;
    --text-dim: #9aa0b4;
    --accent: #6c7bff;
    --accent-hover: #8592ff;
    --accent-soft: rgba(108, 123, 255, 0.15);
    --navbar-bg: #141a2b;
    --navbar-text: #eef0ff;
    --discord: #5865f2;
    --discord-hover: #6f79f5;
    --success: #3ecf8e;
    --success-soft: rgba(62, 207, 142, 0.12);
    --error: #ff6b6b;
    --error-soft: rgba(255, 107, 107, 0.12);
    --note-color: #6ea8fe;
    --note-soft: rgba(110, 168, 254, 0.14);
    --warn-color: #fbbf24;
    --warn-soft: rgba(251, 191, 36, 0.14);
    --important-color: #a78bfa;
    --important-soft: rgba(167, 139, 250, 0.14);
    --star-color: #f2b84b;
    --code-bg: #11141f;
    --hljs-keyword: #c678dd;
    --hljs-string: #98c379;
    --hljs-comment: #7f848e;
    --hljs-number: #d19a66;
    --hljs-title: #61afef;
    --hljs-attr: #e5c07b;
    --hljs-meta: #56b6c2;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ============ Top navbar ============ */

.site-header {
    background: var(--navbar-bg);
    color: var(--navbar-text);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--navbar-text);
}
.brand-mark { font-size: 1.35rem; }

.header-nav-links {
    display: flex;
    align-items: center;
    gap: 22px;
    font-weight: 600;
    font-size: 0.95rem;
}
.header-nav-links a { opacity: 0.92; }
.header-nav-links a:hover { opacity: 1; text-decoration: underline; }

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

/* ============ Buttons ============ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.88rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .12s ease, background .15s ease, border-color .15s ease, opacity .15s ease;
    white-space: nowrap;
    font-family: inherit;
}
.btn:hover { transform: translateY(-1px); }

.btn-discord { background: var(--discord); color: #fff; }
.btn-discord:hover { background: var(--discord-hover); }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }

.btn-on-navbar {
    background: rgba(255,255,255,0.14);
    color: var(--navbar-text);
    border-color: rgba(255,255,255,0.3);
}
.btn-on-navbar:hover { background: rgba(255,255,255,0.24); }

.btn-ghost { background: transparent; color: var(--text); border-color: var(--panel-border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-hover); }

.btn-admin { background: var(--panel); color: var(--text); border-color: var(--panel-border); }
.btn-admin:hover { border-color: var(--accent); }

.btn-danger { background: transparent; color: var(--error); border-color: var(--error-soft); }
.btn-danger:hover { background: var(--error-soft); }

.btn-sm { padding: 6px 13px; font-size: 0.8rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.theme-toggle {
    width: 36px; height: 36px; padding: 0;
    border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.3);
    color: var(--navbar-text);
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
}
.theme-toggle:hover { background: rgba(255,255,255,0.24); }

/* ============ Hero / search ============ */

.hero { padding: 52px 0 36px; text-align: center; }
.hero h1 { margin: 0 0 8px; font-size: 2.1rem; }
.hero .tagline { color: var(--text-dim); margin: 0 0 26px; font-size: 1.02rem; }

.search-bar { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.search-bar input[type="text"],
.search-bar input[type="search"] {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    color: var(--text);
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.96rem;
    min-width: 300px;
    flex: 1 1 300px;
    max-width: 460px;
}

/* ============ Section headings ============ */

.section { padding: 8px 0 44px; }
.section-title { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 18px; gap: 12px; }
.section-title h2 { margin: 0; font-size: 1.2rem; }
.section-title .muted { color: var(--text-dim); font-size: 0.85rem; }

/* ============ Category grid ============ */

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 18px;
}

.category-card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 26px 22px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    box-shadow: 0 1px 2px rgba(20, 20, 30, 0.04);
    transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.category-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(20,20,30,0.08); }
.category-icon { font-size: 2.4rem; line-height: 1; margin-bottom: 4px; }
.category-icon img { width: 48px; height: 48px; object-fit: contain; }
.category-card h3 { margin: 0; font-size: 1.08rem; color: var(--accent); }
.category-card p { margin: 0; color: var(--text-dim); font-size: 0.86rem; }
.category-count { margin-top: 6px; font-size: 0.76rem; color: var(--text-dim); }

/* ============ Two-column doc layout (sidebar + content) ============ */

.doc-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    padding: 32px 0 70px;
    align-items: start;
}

.doc-sidebar { position: sticky; top: 20px; }
.doc-sidebar .sidebar-search { margin-bottom: 20px; }
.doc-sidebar .sidebar-search input {
    width: 100%;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    color: var(--text);
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
}
.doc-sidebar h4 {
    margin: 0 0 12px;
    font-size: 0.95rem;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--panel-border);
}
.doc-nav { display: flex; flex-direction: column; gap: 2px; }
.doc-nav a {
    padding: 7px 10px;
    border-radius: 6px;
    font-size: 0.88rem;
    color: var(--accent);
}
.doc-nav a:hover { background: var(--accent-soft); }
.doc-nav a.active { background: var(--accent-soft); font-weight: 700; }

.doc-content { min-width: 0; }

/* ============ Breadcrumb ============ */

.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 16px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}
.breadcrumb a:hover { color: var(--accent-hover); text-decoration: underline; }

/* ============ Article / category content ============ */

.content-header h1 { margin: 0 0 10px; font-size: 1.7rem; }

.byline {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
    font-size: 0.85rem;
    color: var(--text-dim);
}
.avatar-circle {
    width: 30px; height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.byline .name { color: var(--text); font-weight: 600; }

.prose { font-size: 1rem; }
.prose h1, .prose h2, .prose h3, .prose h4 { line-height: 1.35; scroll-margin-top: 20px; }
.prose h2 { margin-top: 1.6em; padding-top: 0.2em; }
.prose h1 { font-size: 1.5rem; }
.prose h2 { font-size: 1.3rem; }
.prose h3 { font-size: 1.12rem; }
.prose p { margin: 0 0 1em; }
.prose ul, .prose ol { margin: 0 0 1em; padding-left: 1.4em; }
.prose img { max-width: 100%; border-radius: 8px; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; font-weight: 600; }
.prose a:hover { color: var(--accent-hover); }
.prose code { background: var(--code-bg); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }
.prose pre { background: var(--code-bg); padding: 14px 16px; border-radius: 8px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose blockquote { border-left: 3px solid var(--accent); margin: 0 0 1em; padding-left: 16px; color: var(--text-dim); }
.prose table { border-collapse: collapse; width: 100%; margin: 0 0 1.2em; font-size: 0.92rem; }
.prose th, .prose td { border: 1px solid var(--panel-border); padding: 8px 12px; text-align: left; }
.prose th { background: var(--bg-soft); }

.heading-anchor {
    opacity: 0;
    margin-right: 8px;
    color: var(--text-dim) !important;
    text-decoration: none !important;
    font-weight: 400;
    transition: opacity .1s ease;
}
.prose h1:hover .heading-anchor,
.prose h2:hover .heading-anchor,
.prose h3:hover .heading-anchor,
.prose h4:hover .heading-anchor { opacity: 1; }

/* ============ Article list (used in trash/search) ============ */

.article-list { display: flex; flex-direction: column; gap: 10px; }
.article-row {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.article-row:hover { border-color: var(--accent); }
.article-row h3 { margin: 0; font-size: 1.02rem; }
.article-row .meta { display: flex; gap: 10px; flex-wrap: wrap; font-size: 0.76rem; }
.tag {
    display: inline-flex; align-items: center; gap: 5px;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 3px 10px; border-radius: 999px;
    font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
    font-size: 0.68rem;
}
.tag-draft { color: var(--error); background: var(--error-soft); }
.article-row .snippet { color: var(--text-dim); font-size: 0.88rem; margin: 0; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--text-dim); }

/* ============ Feedback box ============ */

.feedback-box {
    margin-top: 32px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 20px 26px;
    text-align: center;
}
.feedback-box p { margin: 0 0 12px; font-weight: 600; }
.feedback-buttons { display: flex; justify-content: center; gap: 10px; }
.feedback-thanks { color: var(--success); font-weight: 600; margin: 0; }

/* ============ Footer ============ */

.site-footer {
    border-top: 1px solid var(--panel-border);
    padding: 24px 0;
    color: var(--text-dim);
    font-size: 0.85rem;
    text-align: center;
}

/* ============ Forms (login) ============ */

.form-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.form-card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 36px;
    width: 100%;
    max-width: 380px;
}
.form-card h1 { font-size: 1.3rem; margin: 0 0 4px; text-align: center; }
.form-card .subtitle { text-align: center; color: var(--text-dim); font-size: 0.88rem; margin: 0 0 24px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--text-dim); }
.field input[type="text"],
.field input[type="password"],
.field input[type="url"],
.field input[type="number"],
.field textarea,
.field select {
    width: 100%;
    background: var(--bg-soft);
    border: 1px solid var(--panel-border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 0.92rem;
    font-family: inherit;
}
.field textarea { resize: vertical; min-height: 90px; }
.field .hint { color: var(--text-dim); font-size: 0.78rem; margin-top: 4px; }

.alert { padding: 12px 16px; border-radius: 8px; font-size: 0.88rem; margin-bottom: 18px; }
.alert-error { background: var(--error-soft); color: var(--error); border: 1px solid var(--error-soft); }
.alert-success { background: var(--success-soft); color: var(--success); border: 1px solid var(--success-soft); }

/* ============ Toggle switch ============ */

.toggle-switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.toggle-switch input { display: none; }
.toggle-track {
    width: 40px; height: 22px; border-radius: 999px;
    background: var(--panel-border);
    position: relative;
    transition: background .15s ease;
    flex-shrink: 0;
}
.toggle-track::after {
    content: '';
    position: absolute; top: 2px; left: 2px;
    width: 18px; height: 18px; border-radius: 50%;
    background: #fff;
    transition: transform .15s ease;
}
.toggle-switch input:checked + .toggle-track { background: var(--success); }
.toggle-switch input:checked + .toggle-track::after { transform: translateX(18px); }
.toggle-label { font-size: 0.85rem; color: var(--text-dim); }

/* ============ Admin layout ============ */

.admin-shell { min-height: 100vh; display: flex; }

.admin-sidebar {
    width: 230px;
    flex-shrink: 0;
    background: var(--panel);
    border-right: 1px solid var(--panel-border);
    padding: 20px 16px;
    min-height: 100vh;
}
.admin-sidebar .brand { color: var(--text); font-size: 1.05rem; margin-bottom: 22px; padding: 0 6px; }
.admin-nav-group { margin-bottom: 22px; }
.admin-nav-group h5 {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--text-dim);
    margin: 0 0 8px;
    padding: 0 6px;
}
.admin-nav-group a {
    display: block;
    padding: 8px 10px;
    border-radius: 7px;
    font-size: 0.89rem;
    color: var(--text);
    margin-bottom: 2px;
}
.admin-nav-group a:hover { background: var(--accent-soft); }
.admin-nav-group a.active { background: var(--accent-soft); color: var(--accent); font-weight: 700; }

.admin-main-wrap { flex: 1; min-width: 0; }
.admin-topbar-mini {
    display: flex; justify-content: flex-end; gap: 8px;
    padding: 14px 28px;
    border-bottom: 1px solid var(--panel-border);
}
.admin-main { max-width: 1000px; padding: 28px 28px 60px; }

.admin-header-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.admin-header-row h1 { margin: 0; font-size: 1.4rem; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 28px; }
.stat-card { background: var(--panel); border: 1px solid var(--panel-border); border-radius: var(--radius); padding: 16px 18px; }
.stat-card .num { font-size: 1.5rem; font-weight: 700; }
.stat-card .label { color: var(--text-dim); font-size: 0.78rem; }

.table-wrap { background: var(--panel); border: 1px solid var(--panel-border); border-radius: var(--radius); overflow-x: auto; }
table.admin-table { width: 100%; border-collapse: collapse; font-size: 0.87rem; }
table.admin-table th, table.admin-table td {
    text-align: left; padding: 11px 15px; border-bottom: 1px solid var(--panel-border); white-space: nowrap;
}
table.admin-table th { color: var(--text-dim); font-size: 0.72rem; text-transform: uppercase; letter-spacing: .04em; }
table.admin-table tr:last-child td { border-bottom: none; }
table.admin-table td.title-cell { white-space: normal; max-width: 300px; }
table.admin-table .row-actions { display: flex; gap: 8px; }

.badge { display: inline-block; font-size: 0.7rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.badge-draft { background: var(--error-soft); color: var(--error); }
.badge-published { background: var(--success-soft); color: var(--success); }

.panel { background: var(--panel); border: 1px solid var(--panel-border); border-radius: var(--radius); padding: 22px; }
.panel h2 { margin: 0 0 16px; font-size: 1.03rem; }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.feature-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--panel-border); }
.feature-row:last-child { border-bottom: none; }
.feature-row .feature-name { font-weight: 600; font-size: 0.9rem; }
.feature-row .feature-desc { color: var(--text-dim); font-size: 0.78rem; }

/* ============ EasyMDE theming ============ */

.EasyMDEContainer .CodeMirror {
    background: var(--bg-soft);
    color: var(--text);
    border-color: var(--panel-border);
    border-radius: 0 0 8px 8px;
}
.editor-toolbar {
    border-color: var(--panel-border) !important;
    background: var(--bg-soft);
    border-radius: 8px 8px 0 0;
    opacity: 1 !important;
}
.editor-toolbar a { color: var(--text) !important; }
.editor-toolbar a.active, .editor-toolbar a:hover { background: var(--accent-soft) !important; border-color: transparent !important; }
.editor-toolbar i.separator { border-left: 1px solid var(--panel-border) !important; border-right: none !important; }
.editor-preview, .editor-preview-side { background: var(--bg-soft); color: var(--text); }
.CodeMirror-cursor { border-color: var(--text) !important; }

/* ============ Callout blockquotes ============ */

.prose blockquote.callout {
    border-left-width: 4px;
    border-radius: 6px;
    padding: 14px 18px;
    color: var(--text);
}
.prose blockquote .callout-title { margin: 0 0 6px; font-weight: 700; color: inherit; }
.prose blockquote.callout p:last-child { margin-bottom: 0; }

.prose blockquote.callout-note { border-left-color: var(--note-color); background: var(--note-soft); }
.prose blockquote.callout-note .callout-title { color: var(--note-color); }
.prose blockquote.callout-tip { border-left-color: var(--success); background: var(--success-soft); }
.prose blockquote.callout-tip .callout-title { color: var(--success); }
.prose blockquote.callout-warning { border-left-color: var(--warn-color); background: var(--warn-soft); }
.prose blockquote.callout-warning .callout-title { color: var(--warn-color); }
.prose blockquote.callout-danger { border-left-color: var(--error); background: var(--error-soft); }
.prose blockquote.callout-danger .callout-title { color: var(--error); }
.prose blockquote.callout-important { border-left-color: var(--important-color); background: var(--important-soft); }
.prose blockquote.callout-important .callout-title { color: var(--important-color); }

/* ============ Code blocks (copy button + syntax highlighting) ============ */

.code-block { position: relative; margin: 0 0 1em; }
.code-block pre { margin: 0; }
.code-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    color: var(--text-dim);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    opacity: 0;
    transition: opacity .12s ease, border-color .12s ease, color .12s ease;
}
.code-block:hover .code-copy-btn { opacity: 1; }
.code-copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.code-copy-btn.copied { color: var(--success); border-color: var(--success); opacity: 1; }

.hljs { background: none; color: var(--text); }
.hljs-keyword, .hljs-selector-tag, .hljs-literal { color: var(--hljs-keyword); }
.hljs-string, .hljs-addition { color: var(--hljs-string); }
.hljs-comment, .hljs-quote { color: var(--hljs-comment); font-style: italic; }
.hljs-number, .hljs-variable, .hljs-template-variable { color: var(--hljs-number); }
.hljs-title, .hljs-section, .hljs-name, .hljs-selector-id, .hljs-selector-class { color: var(--hljs-title); }
.hljs-attr, .hljs-attribute, .hljs-symbol, .hljs-bullet { color: var(--hljs-attr); }
.hljs-meta, .hljs-type, .hljs-built_in { color: var(--hljs-meta); }
.hljs-deletion { color: var(--error); }
.hljs-emphasis { font-style: italic; }
.hljs-strong { font-weight: 700; }

/* ============ Article tags (pills) ============ */

.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.tag-pill {
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.76rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
}

/* ============ Rating widget ============ */

.rating-widget {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 24px;
    padding: 14px 18px;
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
}
.rating-stars { display: flex; gap: 2px; }
.rating-star {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.3rem;
    line-height: 1;
    color: var(--panel-border);
    padding: 2px;
    transition: color .1s ease, transform .1s ease;
}
.rating-widget:not(.rating-done) .rating-star:hover { transform: scale(1.15); }
.rating-star.filled { color: var(--star-color); }
.rating-preview .rating-star.filled { opacity: 0.55; }
.rating-done .rating-star { cursor: default; }
.rating-summary { color: var(--text-dim); font-size: 0.85rem; }

/* ============ Related articles ============ */

.related-articles { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--panel-border); }
.related-articles h4 { margin: 0 0 14px; font-size: 1rem; }
.related-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}
.related-article-card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: border-color .15s ease, transform .15s ease;
}
.related-article-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.related-article-card h5 { margin: 0; font-size: 0.95rem; color: var(--text); }
.recommended-rating { font-size: 0.78rem; color: var(--star-color); font-weight: 700; align-self: flex-start; }

/* ============ Admin: related-article picker ============ */

.related-picker {
    max-height: 220px;
    overflow-y: auto;
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 10px 14px;
    background: var(--bg-soft);
}
.related-picker-item { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 0.88rem; cursor: pointer; }
.related-picker-item input { width: auto; margin: 0; }

/* ============ Admin: collapsible article groups ============ */

.article-group {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
}
.article-group-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
}
.article-group-chevron { transition: transform .15s ease; color: var(--text-dim); }
.article-group.collapsed .article-group-chevron { transform: rotate(-90deg); }
.article-group-title { font-weight: 700; font-size: 0.95rem; flex: 1; }
.article-group-count { color: var(--text-dim); font-size: 0.78rem; }
.article-group-body { border-top: 1px solid var(--panel-border); }
.article-group.collapsed .article-group-body { display: none; }
.article-group .table-wrap { border: none; border-radius: 0; }

/* ============ Search results ============ */

.search-group { margin-bottom: 28px; }
.search-group-title { margin: 0 0 12px; font-size: 0.92rem; color: var(--text-dim); }
mark { background: var(--star-color); color: #1b1f27; padding: 0 2px; border-radius: 3px; }

/* ============ Settings: color picker ============ */

.color-field-row { display: flex; gap: 10px; align-items: center; }
.color-field-row input[type="color"] {
    width: 44px;
    height: 40px;
    padding: 2px;
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    background: var(--bg-soft);
    cursor: pointer;
    flex-shrink: 0;
}
.color-field-row input[type="text"] { flex: 1; }

@media (max-width: 860px) {
    .doc-layout { grid-template-columns: 1fr; }
    .doc-sidebar { position: static; }
    .admin-shell { flex-direction: column; }
    .admin-sidebar { width: 100%; min-height: auto; }
}

@media (max-width: 640px) {
    .hero h1 { font-size: 1.6rem; }
    .header-inner { flex-direction: column; align-items: flex-start; }
    .header-nav-links { order: 3; }
}