/* AI Developers Blog — Dark HN-Style Theme */
:root {
    --bg-page:    #0a0a0a;
    --bg-header:  #1a0f00;
    --bg-card:    #141414;
    --bg-notice:  #191400;
    --bg-quote:   #0d160d;
    --text:       #c8c8c8;
    --text-dim:   #888888;
    --text-muted: #555555;
    --accent:     #ff6600;
    --accent-h:   #ff8533;
    --link:       #ff9940;
    --link-h:     #ffb366;
    --border:     #222222;
    --notice-bdr: #554400;
    --quote-bdr:  #1f4a1f;
    --width:      860px;
    --pad:        24px;
    --mono: 'Courier New', Courier, monospace;
    --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: var(--bg-page);
    color: var(--text);
    font-family: var(--sans);
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--link); text-decoration: none; }
a:hover { color: var(--link-h); text-decoration: underline; }

/* ── NAV ─────────────────────────────────────── */
.main-nav {
    background: var(--bg-header);
    border-bottom: 2px solid var(--accent);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-container {
    max-width: var(--width);
    margin: 0 auto;
    padding: 8px var(--pad);
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.nav-brand {
    color: var(--accent) !important;
    font-family: var(--mono);
    font-weight: bold;
    font-size: 15px;
    text-decoration: none !important;
    white-space: nowrap;
}
.nav-links { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.nav-link {
    color: var(--text-dim) !important;
    font-size: 13px;
    padding: 4px 8px;
    border-radius: 2px;
    text-decoration: none !important;
    white-space: nowrap;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.nav-link:hover, .nav-link.active {
    color: var(--text) !important;
    background: rgba(255,102,0,0.12);
    text-decoration: none !important;
}
.nav-sep { color: var(--text-muted); padding: 0 2px; font-size: 12px; }

/* Dropdown */
.dropdown { position: relative; display: inline-block; }
.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #181818;
    border: 1px solid var(--border);
    min-width: 170px;
    z-index: 200;
    padding: 4px 0;
}
.dropdown:hover .dropdown-content { display: block; }
.dropdown-content a {
    display: block;
    padding: 6px 14px;
    color: var(--text-dim) !important;
    font-size: 13px;
}
.dropdown-content a:hover {
    background: #242424;
    color: var(--text) !important;
    text-decoration: none !important;
}

/* ── SITE HEADER ─────────────────────────────── */
.site-header {
    max-width: var(--width);
    margin: 0 auto;
    padding: 18px var(--pad) 12px;
    border-bottom: 1px solid var(--border);
}
.site-header h1 {
    font-size: 19px;
    font-family: var(--mono);
    color: var(--text);
    font-weight: normal;
    letter-spacing: 0.3px;
}
.site-header h1 span { color: var(--accent); }
.site-description { color: var(--text-dim); font-size: 13px; margin-top: 4px; }
.site-stats {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 3px;
    font-family: var(--mono);
}

/* ── AI NOTICE BANNER ────────────────────────── */
.ai-notice-banner {
    max-width: var(--width);
    margin: 8px auto 0;
    padding: 6px var(--pad);
    background: var(--bg-notice);
    border-left: 3px solid var(--notice-bdr);
    color: #aa8800;
    font-size: 12px;
    font-family: var(--mono);
}

/* ── MAIN CONTAINER ──────────────────────────── */
.container {
    max-width: var(--width);
    margin: 0 auto;
    padding: 0 var(--pad);
}

/* ── ARTICLE LIST (HN style) ─────────────────── */
.articles-list {
    margin-top: 6px;
    border-top: 1px solid var(--border);
}
.article-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 9px 0;
    border-bottom: 1px solid var(--border);
}
.item-number {
    color: var(--text-muted);
    font-size: 12px;
    font-family: var(--mono);
    min-width: 30px;
    text-align: right;
    padding-top: 2px;
    flex-shrink: 0;
}
.item-body { flex: 1; min-width: 0; }
.item-title {
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 3px;
}
.item-title a { color: var(--text) !important; font-weight: 500; }
.item-title a:hover { color: var(--accent) !important; text-decoration: none !important; }
.item-meta {
    font-size: 12px;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-top: 3px;
}
.source-badge {
    font-size: 11px;
    font-family: var(--mono);
    padding: 1px 6px;
    border-radius: 2px;
    color: #000 !important;
    font-weight: bold;
    text-decoration: none !important;
    flex-shrink: 0;
}
.item-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-shrink: 0;
    padding-top: 3px;
}
.action-link {
    color: var(--text-muted) !important;
    font-size: 12px;
    font-family: var(--mono);
    white-space: nowrap;
}
.action-link:hover { color: var(--accent) !important; text-decoration: none !important; }

/* ── ARTICLE PAGE ────────────────────────────── */
.article-page { padding-top: 14px; padding-bottom: 40px; }

.breadcrumb {
    font-size: 12px;
    margin-bottom: 14px;
    font-family: var(--mono);
    color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted) !important; }
.breadcrumb a:hover { color: var(--accent) !important; }

.article-meta-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.article-date, .article-author {
    color: var(--text-muted);
    font-size: 12px;
    font-family: var(--mono);
}
h1.article-title {
    font-size: 20px;
    line-height: 1.3;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 10px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

/* AI Notice on article page */
.ai-notice {
    background: var(--bg-notice);
    border-left: 3px solid var(--notice-bdr);
    padding: 8px 12px;
    margin: 14px 0;
    font-size: 12px;
    color: #aa8800;
    font-family: var(--mono);
}

/* Summary box */
.summary-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 2px;
    padding: 16px 20px;
    margin: 14px 0;
}
.summary-box h3, .key-insights h3, .topics-section h3 {
    font-size: 10px;
    font-family: var(--mono);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 10px;
}
.summary-box p {
    color: var(--text);
    font-size: 14px;
    line-height: 1.75;
}

/* Original quote */
.original-quote {
    background: var(--bg-quote);
    border-left: 3px solid var(--quote-bdr);
    padding: 12px 16px;
    margin: 14px 0;
}
.original-quote blockquote {
    color: #8ecf8e;
    font-size: 14px;
    font-style: italic;
    line-height: 1.65;
    margin-bottom: 6px;
}
.original-quote .attribution {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--mono);
}

/* Key insights */
.key-insights { margin: 14px 0; }
.key-insights ul { padding-left: 18px; }
.key-insights li {
    color: var(--text-dim);
    font-size: 13px;
    margin-bottom: 5px;
    line-height: 1.5;
}

/* Topic tags */
.topics-section { margin: 14px 0; }
.topic-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.topic-tag {
    background: #1a1a1a;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 11px;
    font-family: var(--mono);
    padding: 2px 8px;
    border-radius: 2px;
}

/* Article actions */
.article-actions { margin: 20px 0; }
.btn {
    display: inline-block;
    padding: 9px 18px;
    border-radius: 2px;
    font-size: 13px;
    font-family: var(--mono);
    text-decoration: none !important;
}
.btn-primary {
    background: var(--accent);
    color: #000 !important;
    font-weight: bold;
}
.btn-primary:hover { background: var(--accent-h); }

/* ── SOURCE PAGE ─────────────────────────────── */
.source-header {
    padding: 16px 0 12px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0;
}
.source-header h1 {
    font-size: 17px;
    font-family: var(--mono);
    color: var(--text);
    font-weight: normal;
}
.source-header p {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 4px;
    font-family: var(--mono);
}

/* ── FOOTER ──────────────────────────────────── */
.site-footer {
    max-width: var(--width);
    margin: 28px auto 0;
    padding: 14px var(--pad) 20px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--mono);
    line-height: 1.9;
}
.site-footer a { color: var(--text-muted) !important; }
.site-footer a:hover { color: var(--accent) !important; }
.footer-copyright {
    background: #111;
    border: 1px solid var(--border);
    padding: 10px 14px;
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.8;
    font-family: var(--sans);
}

/* ── RESPONSIVE ──────────────────────────────── */
@media (max-width: 768px) {
    :root { --pad: 12px; }
    h1.article-title { font-size: 17px; }
    .item-actions { flex-direction: column; gap: 3px; }
    .nav-container { gap: 8px; }
    .article-meta-top { flex-wrap: wrap; }
}