:root{--bg: #0a0c10;--surface: #111318;--surface2: #1a1d26;--border: #252836;--accent: #f0c040;--accent2: #4de8b0;--accent3: #7eb8ff;--accent4: #ff7eb8;--text: #e8eaf0;--text-muted: #7a7f94;--code-bg: #0e1117}[data-theme=light]{--bg: #f5f7fa;--surface: #ffffff;--surface2: #edf2f7;--border: #e2e8f0;--accent: #d69e2e;--accent2: #38a169;--accent3: #3182ce;--accent4: #d53f8c;--text: #1a202c;--text-muted: #718096;--code-bg: #f8fafc}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:DM Sans,sans-serif;transition:background .3s,color .3s}.container{max-width:1000px;margin:0 auto;padding:40px 20px}@media(max-width:768px){.container{padding:20px 15px}}nav.top-nav{position:sticky;top:0;background:var(--surface);border-bottom:1px solid var(--border);padding:10px 20px;display:flex;justify-content:space-between;align-items:center;z-index:1000}@media(max-width:480px){nav.top-nav{flex-direction:column;gap:10px;padding:15px}}.nav-links{display:flex;gap:20px;align-items:center}.nav-links a{color:var(--text);text-decoration:none;font-weight:500}.nav-links a:hover{color:var(--accent)}.controls{display:flex;gap:10px}button.control-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text);padding:5px 10px;border-radius:4px;cursor:pointer;font-family:JetBrains Mono,monospace;font-size:12px}button.control-btn:hover{border-color:var(--accent)}.btn{display:inline-block;padding:12px 24px;border-radius:4px;text-decoration:none;font-weight:600;transition:all .2s;cursor:pointer;border:none}.btn-primary{background:var(--accent);color:#0a0c10}.btn-primary:hover{filter:brightness(1.1);transform:translateY(-2px)}.btn-outline{border:1px solid var(--accent);color:var(--accent);background:transparent}.btn-outline:hover{background:#f0c0641a}