/* DNS Toolkit - Scalar-inspired dark theme */

:root {
    --bg-primary: #0f0f15;
    --bg-secondary: #16161f;
    --bg-tertiary: #1c1c28;
    --bg-card: #1a1a26;
    --bg-card-hover: #20202e;
    --bg-code: #12121a;
    --border: #2a2a3c;
    --border-light: #33334a;
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6e6e88;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-subtle: rgba(99, 102, 241, 0.12);
    --green: #22c55e;
    --green-subtle: rgba(34, 197, 94, 0.12);
    --blue: #3b82f6;
    --blue-subtle: rgba(59, 130, 246, 0.12);
    --orange: #f59e0b;
    --orange-subtle: rgba(245, 158, 11, 0.12);
    --red: #ef4444;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius: 8px;
    --radius-lg: 12px;
    --max-width: 1200px;
    --sidebar-width: 220px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ---------- Navbar ---------- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(15, 15, 21, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.nav-container { display: flex; align-items: center; height: 60px; gap: 32px; }
.nav-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; color: var(--text-primary); }
.nav-logo { width: 28px; height: 28px; border-radius: 4px; }
.nav-icon { font-size: 1.3rem; }
.nav-links { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-link {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: var(--bg-tertiary); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text-secondary); margin: 4px 0; transition: 0.2s; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: var(--bg-tertiary); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg-card-hover); border-color: var(--border-light); color: var(--text-primary); }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-block { display: flex; width: 100%; }

/* ---------- Hero ---------- */
.hero {
    padding: 100px 0 60px;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
}
.hero-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    background: var(--accent-subtle);
    border: 1px solid rgba(99, 102, 241, 0.2);
    margin-bottom: 24px;
}
.hero-title { font-size: 3.2rem; font-weight: 800; line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.02em; }
.gradient-text {
    background: linear-gradient(135deg, var(--accent), #a78bfa, #818cf8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle { font-size: 1.15rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 32px; line-height: 1.7; }
.hero-actions { display: flex; gap: 12px; justify-content: center; margin-bottom: 48px; }

.hero-code {
    max-width: 640px;
    margin: 0 auto;
    text-align: left;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
}

/* ---------- Code blocks ---------- */
.code-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}
.code-dot { width: 10px; height: 10px; border-radius: 50%; }
.code-dot.red { background: #ff5f57; }
.code-dot.yellow { background: #febc2e; }
.code-dot.green { background: #28c840; }
.code-label { margin-left: auto; font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); }

.code-block { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.code-block pre, .hero-code pre {
    margin: 0;
    padding: 16px;
    background: var(--bg-code);
    overflow-x: auto;
}
.code-block code, .hero-code code {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.7;
    color: var(--text-primary);
}

/* ---------- Stats ---------- */
.stats { padding: 40px 0; border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-number { display: block; font-size: 2rem; font-weight: 800; color: var(--accent); }
.stat-label { font-size: 0.85rem; color: var(--text-secondary); }

/* ---------- Sections ---------- */
.section-title { font-size: 2rem; font-weight: 700; text-align: center; margin-bottom: 12px; }
.section-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 48px; max-width: 560px; margin-left: auto; margin-right: auto; }

.categories-section { padding: 80px 0; }
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.category-card {
    padding: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.2s;
    color: var(--text-primary);
}
.category-card:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateY(-2px); color: var(--text-primary); }
.category-icon { font-size: 2rem; margin-bottom: 16px; }
.category-card h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.category-card p { font-size: 0.875rem; color: var(--text-secondary); margin-bottom: 12px; line-height: 1.6; }
.category-count { font-size: 0.75rem; color: var(--accent); font-weight: 600; }

.features-section { padding: 80px 0; border-top: 1px solid var(--border); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.feature-icon { font-size: 1.8rem; margin-bottom: 12px; }
.feature h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.feature p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

.cta-section {
    padding: 80px 0;
    text-align: center;
    background: radial-gradient(ellipse at 50% 100%, rgba(99, 102, 241, 0.06) 0%, transparent 60%);
    border-top: 1px solid var(--border);
}
.cta-section h2 { font-size: 2rem; margin-bottom: 12px; }
.cta-section p { color: var(--text-secondary); margin-bottom: 28px; }

/* ---------- Page header ---------- */
.page-header {
    padding: 56px 0 40px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}
.page-header h1 { font-size: 2rem; font-weight: 700; margin-bottom: 10px; }
.page-header p { color: var(--text-secondary); font-size: 1.05rem; }

/* ---------- Tools page ---------- */
.tools-search { margin-top: 20px; max-width: 400px; }
.search-input {
    width: 100%;
    padding: 10px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--text-muted); }

.tools-section { padding: 40px 0 80px; }
.tools-layout { display: grid; grid-template-columns: var(--sidebar-width) 1fr; gap: 40px; }

.tools-sidebar { position: sticky; top: 80px; align-self: start; }
.sidebar-nav h4 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 12px; }
.sidebar-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.2s;
}
.sidebar-link:hover { color: var(--text-primary); background: var(--bg-tertiary); }
.sidebar-count { font-size: 0.75rem; color: var(--text-muted); }

.tool-category { margin-bottom: 48px; }
.category-heading { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; padding-top: 8px; }
.category-desc { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; }

.tool-list { display: flex; flex-direction: column; gap: 12px; }
.tool-card {
    display: block;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all 0.2s;
    color: var(--text-primary);
}
.tool-card:hover { background: var(--bg-card-hover); border-color: var(--border-light); color: var(--text-primary); }
.tool-card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.tool-card-title { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
.tool-card-summary { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }

.method-badge {
    display: inline-flex;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
}
.method-get { background: var(--green-subtle); color: var(--green); }
.method-post { background: var(--blue-subtle); color: var(--blue); }
.badge-lg { padding: 5px 12px; font-size: 0.8rem; }

.tool-path { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-secondary); }
.tool-path-lg { font-family: var(--font-mono); font-size: 0.95rem; color: var(--text-secondary); }

.no-results { padding: 60px 0; text-align: center; color: var(--text-muted); }

/* ---------- Tool detail ---------- */
.tool-header { padding-bottom: 28px; }
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; margin-bottom: 20px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--text-muted); }
.breadcrumb span:last-child { color: var(--text-secondary); }

.tool-title-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.tool-summary { font-size: 1.05rem; color: var(--text-secondary); line-height: 1.6; max-width: 700px; }

.tool-detail { padding: 40px 0 80px; }
.tool-layout { display: grid; grid-template-columns: 1fr 400px; gap: 40px; align-items: start; }
.tool-main { min-width: 0; }

.content-block { margin-bottom: 36px; }
.content-block h2 { font-size: 1.3rem; font-weight: 600; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.content-block p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 12px; }
.content-block ul { list-style: none; padding: 0; }
.content-block li { position: relative; padding-left: 20px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 6px; }
.content-block li::before { content: '→'; position: absolute; left: 0; color: var(--accent); }

.params-table-wrap { overflow-x: auto; }
.params-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.params-table th {
    text-align: left;
    padding: 10px 14px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}
.params-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--text-secondary); }
.params-table code { font-family: var(--font-mono); font-size: 0.82rem; color: var(--accent); }
.type-badge { font-size: 0.75rem; padding: 2px 8px; border-radius: 4px; background: var(--bg-tertiary); color: var(--text-secondary); }
.required-yes { color: var(--orange); font-weight: 600; }

.tool-sidebar { position: sticky; top: 80px; }
.sidebar-block { margin-bottom: 24px; }
.sidebar-block h3 { font-size: 0.9rem; font-weight: 600; margin-bottom: 12px; }

.cta-block {
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.cta-block p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 16px; }
.cta-block .btn { margin-bottom: 8px; }

/* ---------- Pricing ---------- */
.pricing-section { padding: 60px 0 100px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 900px; margin: 0 auto; }
.pricing-card {
    position: relative;
    padding: 36px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
}
.pricing-card.featured { border-color: var(--accent); }
.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    background: var(--accent);
    color: #fff;
}
.pricing-tier { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.pricing-price { font-size: 2.5rem; font-weight: 800; margin-bottom: 24px; }
.pricing-price span { font-size: 0.9rem; font-weight: 400; color: var(--text-muted); }
.pricing-features { list-style: none; padding: 0; margin-bottom: 28px; }
.pricing-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ---------- Footer ---------- */
.footer { padding: 60px 0 32px; border-top: 1px solid var(--border); background: var(--bg-secondary); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-col h4 { font-size: 0.85rem; font-weight: 600; margin-bottom: 16px; }
.footer-text { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { font-size: 0.85rem; color: var(--text-secondary); }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom { padding-top: 20px; border-top: 1px solid var(--border); }
.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .tool-layout { grid-template-columns: 1fr; }
    .tool-sidebar { position: static; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Blog ---------- */
.blog-section { padding: 60px 0 100px; }
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}
.blog-card {
    display: flex; flex-direction: column; gap: 16px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 32px; color: var(--text-primary);
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.blog-card:hover {
    border-color: var(--accent); transform: translateY(-4px);
    color: var(--text-primary);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12), 0 4px 12px rgba(0, 0, 0, 0.25);
}
.blog-card h2 { font-size: 1.3rem; line-height: 1.4; font-weight: 600; }
.blog-card p { color: var(--text-secondary); font-size: 0.95rem; flex: 1; line-height: 1.6; }
.blog-card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.85rem; color: var(--text-muted); }
.blog-tag {
    background: var(--accent-subtle); color: var(--accent); padding: 3px 12px;
    border-radius: 999px; font-size: 0.8rem; font-weight: 500;
}
.blog-read-more { color: var(--accent); font-weight: 600; font-size: 0.9rem; margin-top: auto; }
.blog-post-meta { display: flex; align-items: center; gap: 16px; margin-top: 16px; font-size: 0.9rem; color: var(--text-muted); }
.blog-article { padding: 60px 0 100px; }
.article-content {
    max-width: 760px; margin: 0 auto;
    font-size: 1.08rem; line-height: 1.85; color: var(--text-secondary);
    padding: 0 16px;
}
.article-content h2 { color: var(--text-primary); margin: 48px 0 20px; font-size: 1.5rem; }
.article-content h3 { color: var(--text-primary); margin: 40px 0 16px; font-size: 1.25rem; }
.article-content p { margin-bottom: 24px; }
.article-content pre {
    background: var(--bg-code); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 24px; overflow-x: auto; margin-bottom: 28px; font-family: var(--font-mono); font-size: 0.9rem;
}
.article-content code { font-family: var(--font-mono); background: var(--bg-code); padding: 2px 6px; border-radius: 4px; font-size: 0.9em; }
.article-content pre code { background: none; padding: 0; }
.article-content ul, .article-content ol { padding-left: 28px; margin-bottom: 24px; }
.article-content li { margin-bottom: 10px; }
.article-content a { color: var(--accent); text-decoration: underline; }
.article-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 16px 24px; margin: 24px 0;
    background: var(--bg-secondary); border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-secondary);
}
.article-cta {
    max-width: 760px; margin: 56px auto 0; padding: 36px;
    background: var(--accent-subtle); border: 1px solid var(--accent); border-radius: var(--radius-lg); text-align: center;
}
.article-cta h3 { margin-bottom: 10px; }
.article-cta p { color: var(--text-secondary); margin-bottom: 20px; }
.article-nav { max-width: 760px; margin: 40px auto 0; padding: 0 16px; }

/* ---------- Related Sections (tools + blog posts) ---------- */
.related-section {
    padding: 60px 0 72px;
    border-top: 1px solid var(--border);
}
.related-section h2 { font-size: 1.4rem; font-weight: 600; margin-bottom: 28px; }

.related-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}
.related-tool-card {
    display: flex; flex-direction: column; gap: 10px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 24px; color: var(--text-primary);
    transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.related-tool-card:hover {
    border-color: var(--accent); transform: translateY(-3px);
    color: var(--text-primary);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.1), 0 3px 10px rgba(0, 0, 0, 0.2);
}
.related-tool-header { display: flex; align-items: center; gap: 10px; }
.related-tool-header code { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-muted); }
.related-tool-card h3 { font-size: 1.05rem; font-weight: 600; }
.related-tool-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; }

.related-posts-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}
.related-post-card {
    display: flex; flex-direction: column; gap: 8px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 24px; color: var(--text-primary);
    transition: border-color 0.25s, transform 0.25s;
}
.related-post-card:hover {
    border-color: var(--accent); transform: translateY(-2px);
    color: var(--text-primary);
}
.related-post-card time { font-size: 0.8rem; color: var(--text-muted); }
.related-post-card h3 { font-size: 1.05rem; font-weight: 600; line-height: 1.4; }
.related-post-card p { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.5; }

/* ---------- Tool path docs link ---------- */
.tool-path-link { text-decoration: none; }
.tool-path-link:hover code { color: var(--accent-hover); border-color: var(--accent); }

/* ---------- 404 ---------- */
.error-page { text-align: center; padding: 80px 0 40px; }
.error-code { font-size: 8rem; font-weight: 700; color: var(--accent); line-height: 1; margin-bottom: 16px; }
.error-page h2 { font-size: 1.8rem; margin-bottom: 12px; }
.error-page p { color: var(--text-secondary); margin-bottom: 24px; font-size: 1.1rem; }
.error-search { max-width: 400px; margin: 0 auto 24px; }
.error-search input {
    width: 100%; padding: 12px 16px; background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text-primary); font-size: 1rem; font-family: var(--font-sans);
    outline: none; transition: border-color 0.2s;
}
.error-search input:focus { border-color: var(--accent); }
.error-search input::placeholder { color: var(--text-muted); }
.error-actions { display: flex; gap: 16px; justify-content: center; }
.error-suggestions { padding: 40px 0 80px; }
.error-suggestions h3 { text-align: center; margin-bottom: 24px; color: var(--text-secondary); }
.error-tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.error-tool-card {
    display: flex; flex-direction: column; gap: 6px; padding: 20px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    color: var(--text-primary); transition: border-color 0.2s;
}
.error-tool-card:hover { border-color: var(--accent); color: var(--text-primary); }
.error-tool-card p { color: var(--text-secondary); font-size: 0.85rem; margin: 0; }

/* ---------- Breadcrumb ---------- */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--text-muted); }

/* ---------- Content Page ---------- */
.content-page { padding: 40px 0 80px; }

/* ---------- Changelog ---------- */
.changelog-section { padding: 40px 0 80px; }
.changelog-entry {
    padding: 32px 0; border-bottom: 1px solid var(--border);
}
.changelog-entry:first-child { padding-top: 0; }
.changelog-entry:last-child { border-bottom: none; }
.changelog-header { display: flex; align-items: baseline; gap: 16px; margin-bottom: 12px; }
.changelog-header h2 { font-size: 1.4rem; color: var(--accent); margin: 0; }
.changelog-header time { font-size: 0.9rem; color: var(--text-muted); }
.changelog-highlights { color: var(--text-secondary); font-size: 1rem; margin-bottom: 12px; font-style: italic; }
.changelog-entry ul { padding-left: 20px; color: var(--text-secondary); }
.changelog-entry li { margin-bottom: 6px; }

/* ---------- Code Tabs ---------- */
.code-tabs {
    display: flex; gap: 0; margin-bottom: -1px; position: relative; z-index: 1;
}
.code-tab {
    padding: 8px 16px; background: transparent; border: 1px solid var(--border);
    border-bottom: none; border-radius: var(--radius) var(--radius) 0 0;
    color: var(--text-muted); cursor: pointer; font-size: 0.85rem; font-family: var(--font-sans);
    transition: color 0.2s, background 0.2s;
}
.code-tab:hover { color: var(--text-primary); }
.code-tab.active { background: var(--bg-code); color: var(--accent); border-color: var(--border); }
.code-pane { display: none; }
.code-pane.active { display: block; }
.code-tabs + .code-pane.active .code-block,
.code-tabs ~ .code-pane.active { border-top-left-radius: 0; }

@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .category-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .tools-layout { grid-template-columns: 1fr; }
    .tools-sidebar { display: none; }
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border);
        padding: 16px 24px;
    }
    .hero-actions { flex-direction: column; align-items: center; }
    .blog-grid { grid-template-columns: 1fr; }
    .error-code { font-size: 5rem; }
    .error-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.8rem; }
    .features-grid { grid-template-columns: 1fr; }
}