body{background:linear-gradient(135deg,#020617 0%,#111827 100%);color:#e5e7eb;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;min-height:100vh;display:flex;flex-direction:column}.error-container{flex:1;display:flex;align-items:center;justify-content:center;padding:60px 20px}.error-content{text-align:center;max-width:700px}.error-code{font-size:10rem;font-weight:900;color:#ef4444;text-shadow:0 0 40px rgba(239,68,68,0.6);line-height:1;margin-bottom:20px;animation:pulse 2s infinite}@keyframes pulse{0%,100%{text-shadow:0 0 40px rgba(239,68,68,0.6)}50%{text-shadow:0 0 60px rgba(239,68,68,0.9)}}.error-title{font-size:2.5rem;font-weight:800;color:#f97316;margin-bottom:20px}.error-message{font-size:1.2rem;color:#e5e7eb;margin-bottom:40px;line-height:1.8}.btn-primary{background:linear-gradient(90deg,#ef4444 0%,#f97316 100%);border:none;padding:16px 40px;font-size:1.2rem;font-weight:700;border-radius:8px;box-shadow:0 4px 15px rgba(239,68,68,0.4);transition:all 0.3s;text-decoration:none;display:inline-block;color:var(--text-light)}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(239,68,68,0.6);color:var(--text-light)}.quick-links{margin-top:50px}.quick-links h3{color:#ef4444;font-size:1.5rem;margin-bottom:20px}.quick-link-item{display:inline-block;margin:10px 15px}.quick-link-item a{color:#fbbf24;text-decoration:none;font-size:1.1rem;transition:all 0.3s}.quick-link-item a:hover{color:#ef4444}.icon-decoration{font-size:5rem;color:#f97316;margin-bottom:30px;opacity:0.7}