*{box-sizing:border-box}:root{font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color:#efefef;background:linear-gradient(135deg,#0f0f1a,#1a1a2e,#16213e);min-height:100vh;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-height:100vh}#root{min-height:100vh}.app{min-height:100vh;padding:2rem;max-width:1200px;margin:0 auto}header{text-align:center;margin-bottom:3rem}header h1{font-size:2.5rem;margin-bottom:.5rem;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{color:#888;font-size:1.1rem}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem;padding:1rem}.nerd-card{background:linear-gradient(145deg,#1e1e2e,#2a2a3e);border-radius:16px;padding:1.5rem;cursor:pointer;transition:all .3s ease;border:2px solid transparent;position:relative;overflow:hidden}.nerd-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#667eea,#764ba2,#f093fb);opacity:0;transition:opacity .3s ease}.nerd-card:hover{transform:translateY(-4px);border-color:#667eea;box-shadow:0 10px 40px #667eea33}.nerd-card:hover:before{opacity:1}.nerd-card.expanded{border-color:#764ba2;background:linear-gradient(145deg,#252538,#2f2f48)}.card-header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.rank{font-size:1.5rem;font-weight:700;color:#667eea;min-width:40px}.emoji{font-size:2rem}.card-header h2{font-size:1.2rem;margin:0;flex:1}.card-content{max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s ease;padding:0}.nerd-card.expanded .card-content,.nerd-card:hover .card-content{max-height:200px;padding-top:1rem}.card-content p{color:#aaa;line-height:1.6;margin:0 0 1rem}.nerd-level{display:inline-block;padding:.3rem .8rem;border-radius:20px;font-size:.85rem;font-weight:600}.nerd-level.legendary{background:linear-gradient(135deg,#f5af19,#f12711);color:#000}.nerd-level.master{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.nerd-level.elite{background:linear-gradient(135deg,#11998e,#38ef7d);color:#000}.nerd-level.advanced{background:linear-gradient(135deg,#4facfe,#00f2fe);color:#000}footer{text-align:center;margin-top:3rem;padding:2rem;color:#666}@media(max-width:600px){.app{padding:1rem}header h1{font-size:1.8rem}.card-grid{grid-template-columns:1fr}}