.error-fallback-container{background:linear-gradient(135deg,#f5f7fa 0%,#c3cfe2 100%);justify-content:center;align-items:center;min-height:400px;padding:2rem;display:flex}.error-fallback-card{text-align:center;background:#fff;border-radius:12px;width:100%;max-width:600px;padding:3rem 2rem;animation:.4s ease-out slideUp;box-shadow:0 10px 40px #0000001a}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.error-icon{margin-bottom:1.5rem;font-size:4rem;animation:2s infinite bounce}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.error-title{color:#2c3e50;margin-bottom:1rem;font-size:1.8rem;font-weight:700}.error-message{color:#555;margin-bottom:.5rem;font-size:1.1rem;line-height:1.6}.error-sub-message{color:#777;margin-bottom:2rem;font-size:.95rem;line-height:1.5}.error-details{text-align:left;background:#f8f9fa;border:1px solid #dee2e6;border-radius:8px;margin:1.5rem 0;padding:1rem}.error-details summary{cursor:pointer;color:#495057;-webkit-user-select:none;user-select:none;font-weight:600}.error-details pre{color:#e74c3c;white-space:pre-wrap;word-wrap:break-word;margin-top:1rem;font-size:.85rem;overflow-x:auto}.error-actions{margin-top:2rem}.retry-button,.back-button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.875rem 2rem;font-size:1rem;font-weight:600;text-decoration:none;transition:all .3s;display:inline-flex}.retry-button:hover,.back-button:hover{transform:translateY(-2px);box-shadow:0 5px 15px #667eea66}.retry-button:active,.back-button:active{transform:translateY(0)}.retry-button i,.back-button i{font-size:1.1rem}.auto-retry-message{color:#667eea;background:#f0f3ff;border:2px solid #667eea;border-radius:8px;align-items:center;gap:.5rem;padding:.875rem 2rem;font-size:1rem;font-weight:600;animation:1.5s infinite pulse;display:inline-flex}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@media (max-width:768px){.error-fallback-container{min-height:300px;padding:1rem}.error-fallback-card{padding:2rem 1.5rem}.error-icon{font-size:3rem}.error-title{font-size:1.5rem}.error-message{font-size:1rem}.error-sub-message{font-size:.9rem}.retry-button,.back-button{padding:.75rem 1.5rem;font-size:.95rem}}