/* ============================================================
   EXJW WIKI — Stylesheet
   Loaded after main.css; color variables are inherited from there.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Newsreader:ital,wght@0,400;0,600;1,400&family=JetBrains+Mono:wght@400&display=swap');

/* ── Wiki-specific variables (color vars come from main.css) ── */
:root {
    --font-body: 'Newsreader', 'Georgia', 'Times New Roman', serif;
    --font-heading: 'DM Sans', 'Helvetica Neue', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --sidebar-width: 280px;
    --wiki-subheader-height: 48px;
    --wiki-sticky-top: calc(var(--header-height) + var(--wiki-subheader-height));
    --content-max: 820px;
    --radius: 6px;
}

/* ── Base overrides for wiki reading experience ── */
html { scroll-padding-top: calc(var(--wiki-sticky-top) + 1rem); }
body {
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.72;
    -webkit-font-smoothing: antialiased;
}

/* ── Wiki Sub-header (sticky below main site header) ── */
.wiki-subheader {
    position: sticky;
    top: var(--header-height);
    z-index: 90;
    height: var(--wiki-subheader-height);
    background: rgba(248, 249, 251, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition), border-color var(--transition);
}
[data-theme="dark"] .wiki-subheader { background: rgba(15, 17, 23, 0.95); }

.wiki-subheader-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.wiki-sub-brand {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-heading);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: color var(--transition);
}
.wiki-sub-brand:hover { color: var(--color-accent); }

.wiki-sub-search { flex: 1; max-width: 380px; }
.wiki-sub-search input {
    width: 100%;
    padding: 0.32rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-family: var(--font-heading);
    transition: border-color var(--transition);
}
.wiki-sub-search input:focus { outline: none; border-color: var(--color-accent); }

.wiki-search-link {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    text-decoration: none;
    transition: color var(--transition);
}
.wiki-search-link:hover { color: var(--color-accent); }

.wiki-sidebar-btn {
    display: none;
    margin-left: auto;
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.82rem;
    padding: 0.28rem 0.65rem;
    border-radius: var(--radius);
    cursor: pointer;
    white-space: nowrap;
    font-family: var(--font-heading);
    transition: all var(--transition);
}
.wiki-sidebar-btn:hover { color: var(--color-accent); border-color: var(--color-accent); }

/* ── Layout ── */
.page-layout {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - var(--wiki-sticky-top) - 80px);
}

/* ── Sidebar ── */
.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    border-right: 1px solid var(--color-border);
    padding: 1.25rem 1rem;
    position: sticky;
    top: var(--wiki-sticky-top);
    height: calc(100vh - var(--wiki-sticky-top));
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}
.sidebar-search input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    font-family: var(--font-heading);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    outline: none;
    margin-bottom: 1rem;
}
.sidebar-search input:focus { border-color: var(--color-accent); }
.sidebar-nav h5 {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin: 1.25rem 0 0.4rem;
    padding-left: 0.5rem;
}
.sidebar-nav ul { list-style: none; }
.sidebar-nav li a {
    display: block;
    padding: 0.3rem 0.5rem;
    font-family: var(--font-heading);
    font-size: 0.82rem;
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--radius);
    transition: var(--transition);
    line-height: 1.4;
}
.sidebar-nav li a:hover { color: var(--color-text); background: var(--color-surface); }
.sidebar-nav li.active a { color: var(--color-accent); background: var(--color-accent-subtle); font-weight: 500; }
.sidebar-nav li.hidden { display: none; }

/* ── Article Main ── */
.article-main {
    flex: 1;
    min-width: 0;
    padding: 1.5rem 2.5rem 3rem;
    max-width: var(--content-max);
}
.breadcrumb {
    font-family: var(--font-heading);
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--color-accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ── Table of Contents ── */
.article-toc {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 2rem;
}
.article-toc h4 {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 0.5rem;
}
.article-toc ul { list-style: none; }
.article-toc li { margin: 0.2rem 0; }
.article-toc li a {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition);
}
.article-toc li a:hover { color: var(--color-accent); }
.article-toc li.toc-sub { padding-left: 1rem; }
.article-toc li.toc-sub a { font-size: 0.8rem; }

/* ── Article Content ── */
.wiki-article h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-heading);
    line-height: 1.2;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}
.wiki-article h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-heading);
    margin: 2.5rem 0 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--color-border);
}
.wiki-article h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-heading);
    margin: 1.75rem 0 0.5rem;
}
.wiki-article p { margin: 0.9rem 0; }
.wiki-article em { color: var(--color-text-muted); }
.wiki-article strong { color: var(--color-heading); font-weight: 600; }
.wiki-article a { color: var(--color-accent); text-decoration: none; border-bottom: 1px solid transparent; transition: var(--transition); }
.wiki-article a:hover { border-bottom-color: var(--color-accent); }
.wiki-article blockquote {
    border-left: 3px solid var(--color-accent);
    margin: 1.25rem 0;
    padding: 0.75rem 1.25rem;
    background: var(--color-surface);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--color-text-muted);
    font-style: italic;
}
.wiki-article ul, .wiki-article ol { margin: 0.75rem 0; padding-left: 1.5rem; }
.wiki-article li { margin: 0.3rem 0; }
.wiki-article hr { border: none; border-top: 1px solid var(--color-border); margin: 2rem 0; }
.wiki-article code { font-family: var(--font-mono); font-size: 0.9em; background: var(--color-surface); padding: 0.15rem 0.4rem; border-radius: 3px; }
.wiki-article sup a {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.75em;
    text-decoration: none;
    border-bottom: none;
}
.wiki-article sup a:hover { text-decoration: underline; }

/* ── Tables ── */
.wiki-article table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    margin: 1.75rem 0;
    overflow-x: auto;
    display: block;
}
.wiki-article thead tr {
    background: var(--color-surface-raised);
    border-bottom: 2px solid var(--color-border);
}
.wiki-article th {
    padding: 0.65rem 1rem;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    vertical-align: top;
    white-space: nowrap;
}
.wiki-article td {
    padding: 0.7rem 1rem;
    vertical-align: top;
    border-bottom: 1px solid var(--color-border);
    line-height: 1.6;
}
.wiki-article tbody tr:last-child td { border-bottom: none; }
.wiki-article tbody tr:hover { background: var(--color-accent-subtle); }

/* ── References ── */
.references {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}
.references ol, .references p, .references li { font-size: 0.88rem; }
.references a { word-break: break-all; }
.references span[id^="ref-"] { font-weight: 600; color: var(--color-accent); }

/* ── Audio Player ── */
.article-audio-player {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius);
    padding: 0.75rem 1.1rem;
    margin-bottom: 1.75rem;
}
.audio-player-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}
.article-audio-player audio {
    flex: 1;
    min-width: 0;
    height: 36px;
    accent-color: var(--color-accent);
}
@media (max-width: 600px) {
    .article-audio-player { flex-direction: column; align-items: stretch; gap: 0.5rem; }
    .article-audio-player audio { width: 100%; }
}

/* ── Correction Note ── */
.correction-note {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius);
    padding: 0.9rem 1.1rem;
    margin-top: 2.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}
.correction-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 0.05rem; }
.correction-note strong { color: var(--color-heading); display: block; margin-bottom: 0.2rem; }
.correction-note a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; }
.correction-note a:hover { color: var(--color-accent-hover); }

/* ── Prev/Next Navigation ── */
.prev-next {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}
.prev-next a {
    font-family: var(--font-heading);
    font-size: 0.88rem;
    color: var(--color-accent);
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    transition: var(--transition);
    max-width: 45%;
}
.prev-next a:hover { background: var(--color-accent-subtle); border-color: var(--color-accent); }
.prev-next .next { text-align: right; margin-left: auto; }

/* ── Homepage ── */
.home-main { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem 3rem; }
.hero {
    text-align: center;
    padding: 4rem 1rem 3rem;
}
.hero h1 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-heading);
    letter-spacing: -0.03em;
}
.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}
.hero-description {
    max-width: 640px;
    margin: 1rem auto 0;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}
.hero-search {
    max-width: 480px;
    margin: 2rem auto 0;
}
.hero-search input {
    width: 100%;
    padding: 0.85rem 1.25rem;
    font-size: 1rem;
    font-family: var(--font-heading);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    outline: none;
    transition: var(--transition);
}
.hero-search input:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-subtle); }
.hero-stat { font-size: 0.85rem; color: var(--color-text-muted); margin-top: 0.75rem; }
.home-section { margin-top: 2.5rem; }
.home-section h2 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--color-border);
}
.article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0.75rem; }
.article-card {
    display: block;
    padding: 1rem 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-decoration: none;
    transition: var(--transition);
}
.article-card:hover { border-color: var(--color-accent); background: var(--color-surface-raised); transform: translateY(-1px); }
.article-card h3 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-heading);
    margin-bottom: 0.3rem;
}
.article-card p { font-size: 0.82rem; color: var(--color-text-muted); line-height: 1.5; }

/* ── Search Page ── */
.search-main { max-width: 720px; margin: 0 auto; padding: 3rem 1.5rem; }
.search-main h1 { font-family: var(--font-heading); font-size: 1.8rem; color: var(--color-heading); margin-bottom: 1.5rem; }
.search-box input {
    width: 100%;
    padding: 0.85rem 1.25rem;
    font-size: 1.05rem;
    font-family: var(--font-heading);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    outline: none;
    transition: var(--transition);
}
.search-box input:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-subtle); }
.search-hint { font-size: 0.82rem; color: var(--color-text-muted); margin-top: 0.5rem; }
.search-results { margin-top: 2rem; }
.search-result {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}
.search-result a {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
}
.search-result a:hover { text-decoration: underline; }
.search-result .section-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-family: var(--font-heading);
    color: var(--color-text-muted);
    background: var(--color-surface);
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    margin-left: 0.5rem;
    vertical-align: middle;
}
.search-result p { font-size: 0.88rem; color: var(--color-text-muted); margin-top: 0.3rem; }
.search-result mark { background: var(--color-accent-subtle); color: var(--color-accent); padding: 0.1rem 0.15rem; border-radius: 2px; }
.search-no-results { color: var(--color-text-muted); font-style: italic; margin-top: 1rem; }

/* ── Mobile Responsive ── */
@media (max-width: 1024px) {
    .sidebar { display: none; position: fixed; left: 0; top: var(--wiki-sticky-top); width: 300px; height: calc(100vh - var(--wiki-sticky-top)); background: var(--color-bg); z-index: 80; border-right: 1px solid var(--color-border); box-shadow: 4px 0 20px rgba(0,0,0,0.12); }
    .sidebar.open { display: block; }
    .wiki-sidebar-btn { display: flex; align-items: center; gap: 0.4rem; }
    .article-main { padding: 1.25rem 1.5rem 2rem; }
}
@media (max-width: 640px) {
    body { font-size: 16px; }
    .hero h1 { font-size: 1.8rem; }
    .hero-subtitle { font-size: 1rem; }
    .wiki-article h1 { font-size: 1.5rem; }
    .wiki-article h2 { font-size: 1.2rem; }
    .article-main { padding: 1rem; }
    .prev-next { flex-direction: column; }
    .prev-next a { max-width: 100%; }
    .article-grid { grid-template-columns: 1fr; }
    .article-toc { display: none; }
    .wiki-sub-search { display: none; }
}