:root{--primary: #000;--secondary: #666;--accent: #0070f3;--bg: #fff;--text: #000;--font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-serif: Georgia, "Times New Roman", Times, serif}:root[data-theme=dark]{--primary: #fff;--secondary: #888;--accent: #3291ff;--bg: #000;--text: #fff}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none;transition:opacity .2s}a:hover{opacity:.7}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:1rem}p{margin-bottom:1.5rem}.container{max-width:800px;margin:0 auto;padding:0 2rem}header{position:sticky;top:0;padding:1.5rem 0;border-bottom:1px solid rgba(128,128,128,.1);background-color:#fffffff0;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:1000}:root[data-theme=dark] header{background-color:#000000f0}nav{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:800px;margin:0 auto;padding:0 2rem}.nav-links{display:flex;gap:1.5rem}.logo{z-index:1001}.nav-utilities{display:flex;align-items:center;gap:1rem;z-index:1001}.lang-switch{font-weight:700;font-size:.8rem;padding:.2rem .5rem;border:1px solid rgba(128,128,128,.3);border-radius:4px}.hamburger{display:none;flex-direction:column;justify-content:space-around;width:30px;height:21px;background:transparent;border:none;cursor:pointer;padding:0;margin-left:.5rem}.hamburger .line{width:30px;height:3px;background-color:var(--text);border-radius:10px;transition:all .3s linear;position:relative;transform-origin:1px}.theme-toggle{background:none;border:none;padding:8px;cursor:pointer;color:var(--secondary);display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.theme-toggle:hover{background:#8080801a;color:var(--primary)}.sun{display:none}.moon{display:block}:root[data-theme=dark] .sun{display:block}:root[data-theme=dark] .moon{display:none}footer{padding:4rem 0;text-align:center;font-size:.9rem;color:var(--secondary)}.separator{margin:0 .5rem;color:var(--color-text-light)}.articles-grid{display:grid;gap:2rem;margin-top:2rem}.article-card{border-bottom:1px solid rgba(128,128,128,.1);padding-bottom:2rem}.article-card h2{margin-bottom:.5rem}.article-meta{font-size:.9rem;color:var(--secondary);margin-bottom:1rem}.content h1{font-size:2.5rem;margin-bottom:2rem}.content h2{font-size:1.8rem;margin:2.5rem 0 1.2rem}.content h3{font-size:1.4rem;margin:2rem 0 1rem}.content p{margin-bottom:1.5rem}.content ul,.content ol{margin-bottom:1.5rem;padding-left:1.5rem}.content li{margin-bottom:.5rem}.content a{color:var(--accent);text-decoration:none}.content a:hover{text-decoration:underline}.content img{max-width:100%;height:auto;border-radius:8px;display:block;margin:2rem auto;box-shadow:0 4px 12px #0000001a}.hero-image{width:100%;max-height:400px;height:auto;border-radius:12px;margin-bottom:2.5rem;object-fit:cover;display:block}.content iframe{max-width:100%;width:100%;border-radius:8px;margin:2rem 0;border:1px solid rgba(128,128,128,.1)}.content pre{background:var(--bg);padding:1.5rem;border-radius:8px;overflow-x:auto;margin-bottom:1.5rem;border:1px solid rgba(128,128,128,.1);font-size:.9rem}.content code{font-family:JetBrains Mono,monospace}.article-navigation{margin-top:4rem;padding-top:2rem;border-top:1px solid var(--border)}.article-nav-links{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:1.5rem;max-width:600px;margin:0 auto}.nav-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.25rem;border-radius:8px;background:var(--card-bg);border:1px solid var(--border);color:var(--text)!important;text-decoration:none!important;font-size:.9rem;font-weight:500;transition:all .2s ease;white-space:nowrap}.nav-btn:hover{background:var(--bg);border-color:var(--accent);transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.nav-btn.back{background:transparent}.nav-btn.prev{justify-content:flex-start}.nav-btn.next{justify-content:flex-end;text-align:right}.nav-placeholder{visibility:hidden}@media(max-width:600px){.article-nav-links{grid-template-columns:1fr 1fr;gap:.75rem}.nav-btn.back{grid-column:span 2;order:3;justify-content:center}.nav-btn .text{font-size:.8rem}}@media(max-width:768px){.hamburger{display:flex}.nav-links{position:fixed;top:0;left:0;height:100vh;width:100%;background-color:var(--bg);flex-direction:column;align-items:center;justify-content:center;transform:translate(100%);transition:transform .3s ease-in-out;z-index:1000;font-size:1.5rem}.nav-links.expanded{transform:translate(0)}body.menu-open{overflow:hidden}}