:root{--bg-primary: #ffffff;--bg-secondary: #f3f4f6;--text-primary: #111827;--text-secondary: #4b5563;--accent-primary: #10b981;--accent-secondary: #06b6d4;--accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));--border-color: rgba(0, 0, 0, .1);--card-hover-bg: rgba(0, 0, 0, .05);--code-bg-text: rgba(31, 41, 55, .4);--font-sans: "Inter", system-ui, -apple-system, sans-serif;--nav-height: 80px;--container-width: 1200px;--border-radius: 12px}[data-theme=dark]{--bg-primary: #0a0a0a;--bg-secondary: #1a1a1a;--text-primary: #f9fafb;--text-secondary: #a3a3a3;--border-color: rgba(255, 255, 255, .1);--card-hover-bg: rgba(255, 255, 255, .05);--code-bg-text: rgba(16, 185, 129, .8)}*{box-sizing:border-box;margin:0;padding:0;scroll-behavior:smooth;cursor:none}.glass-card{background:#ffffffb3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3)}[data-theme=dark] .glass-card{background:#0a0a0a99;border:1px solid rgba(255,255,255,.05)}@media(hover:none)and (pointer:coarse){*{cursor:auto!important}.custom-cursor{display:none!important}}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden;transition:background-color .3s ease,color .3s ease}a{text-decoration:none;color:inherit;transition:color .3s ease}ul{list-style:none}button{cursor:pointer;border:none;background:none;font-family:inherit}.container{max-width:var(--container-width);margin:0 auto;padding:0 20px}.section{padding:100px 0}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:3rem;text-align:center;background:var(--accent-gradient);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-secondary);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--accent-primary)}.coffee-steam-container{position:relative;display:inline-block}.coffee-steam{position:absolute;left:50%;top:-5px;width:4px;height:10px;background:var(--text-secondary);border-radius:50%;opacity:0;filter:blur(1px);animation:steam 2s infinite}@keyframes steam{0%{transform:translateY(0) scaleX(1);opacity:0}15%{opacity:.5}50%{transform:translateY(-10px) scaleX(1.5)}95%{opacity:0}to{transform:translateY(-20px) scaleX(2)}}.xpath-game-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;flex:1;min-height:400px}@media(max-width:768px){.xpath-game-grid{grid-template-columns:1fr;min-height:auto}}.blog-layout{display:grid;grid-template-columns:1fr 250px;gap:3rem;align-items:start}.blog-sidebar{position:sticky;top:120px}.mobile-filter-toggle{display:none!important}@media(max-width:968px){.blog-layout{display:flex;flex-direction:column}.blog-sidebar{order:-1;width:100%;margin-bottom:2rem;position:static}.mobile-filter-toggle{display:flex!important}.sidebar-content{display:none}.sidebar-content.open{display:block;animation:fadeIn .3s ease}}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}