body{font-family:'Noto Sans Bengali','Hind Siliguri',sans-serif;background:linear-gradient(135deg,var(--bg-dark) 0%,var(--bg-secondary) 100%);color:var(--text-light);margin:0;padding:0;min-height:100vh;display:flex;flex-direction:column}.error-container{flex:1;display:flex;align-items:center;justify-content:center;padding:2rem;text-align:center}.error-content{max-width:700px;background:rgba(17,24,39,0.8);border:2px solid rgba(139,92,246,0.4);border-radius:30px;padding:4rem 3rem;box-shadow:0 10px 50px rgba(139,92,246,0.3);animation:fadeInUp 0.8s ease}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.error-code{font-size:10rem;font-weight:900;background:linear-gradient(135deg,var(--primary-purple),var(--secondary-blue));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin-bottom:1rem;text-shadow:0 0 50px rgba(139,92,246,0.5);animation:glow 2s ease-in-out infinite alternate}@keyframes glow{from{filter:drop-shadow(0 0 20px rgba(139,92,246,0.4))}to{filter:drop-shadow(0 0 40px rgba(139,92,246,0.8))}}.error-icon{font-size:5rem;color:var(--primary-purple);margin-bottom:2rem;animation:float 3s ease-in-out infinite}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}h1{font-size:2.5rem;font-weight:700;margin:1.5rem 0;color:var(--text-light)}p{font-size:1.2rem;line-height:1.8;margin:1.5rem 0;color:var(--text-muted)}.btn-home{background:linear-gradient(135deg,var(--primary-purple),var(--secondary-blue));border:2px solid var(--primary-purple);color:var(--text-light);padding:16px 50px;font-size:1.3rem;font-weight:700;border-radius:50px;transition:all 0.3s ease;box-shadow:0 0 30px rgba(139,92,246,0.5);text-decoration:none;display:inline-block;margin:2rem 0.5rem 0}.btn-home:hover{transform:translateY(-5px);box-shadow:0 0 45px rgba(139,92,246,0.8);color:var(--text-light)}.quick-links{margin-top:3rem;padding-top:2rem;border-top:1px solid rgba(139,92,246,0.3)}.quick-links h3{font-size:1.3rem;color:var(--primary-purple);margin-bottom:1.5rem}.quick-links a{color:var(--text-light);text-decoration:none;margin:0 1rem;font-size:1.1rem;transition:all 0.3s ease}.quick-links a:hover{color:var(--primary-purple);text-shadow:0 0 10px rgba(139,92,246,0.6)}@media (max-width:768px){.error-code{font-size:6rem}h1{font-size:1.8rem}.error-content{padding:3rem 2rem}.btn-home{padding:14px 35px;font-size:1.1rem}}