.App{min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#333;background-color:#f8f9fa}button{cursor:pointer;border:none;outline:none;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.error-boundary{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#f8f9fa;padding:2rem;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.error-content{background:#fff;border-radius:12px;padding:3rem;max-width:500px;width:100%;text-align:center;box-shadow:0 10px 30px #0000001a}.error-content h2{color:#e74c3c;font-size:1.8rem;margin-bottom:1rem;font-weight:600}.error-content p{color:#666;margin-bottom:.5rem;line-height:1.6}.error-details{margin:2rem 0;text-align:left;background:#f8f9fa;padding:1rem;border-radius:8px;border:1px solid #e9ecef}.error-details summary{cursor:pointer;font-weight:600;color:#333;margin-bottom:1rem}.error-details pre{background:#fff;padding:1rem;border-radius:4px;overflow-x:auto;font-size:.8rem;color:#d63384;white-space:pre-wrap;word-break:break-word}.error-actions{display:flex;gap:1rem;justify-content:center;margin-top:2rem}.retry-btn,.reload-btn{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.retry-btn{background:#667eea;color:#fff}.retry-btn:hover{background:#5a6fd8;transform:translateY(-2px)}.reload-btn{background:#6c757d;color:#fff}.reload-btn:hover{background:#5a6268;transform:translateY(-2px)}@media (max-width: 768px){.error-content{padding:2rem}.error-content h2{font-size:1.5rem}.error-actions{flex-direction:column}.retry-btn,.reload-btn{width:100%}}.loading-spinner{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem}.spinner{border:3px solid #f3f3f3;border-top:3px solid #667eea;border-radius:50%;animation:spin 1s linear infinite}.loading-spinner.small .spinner{width:20px;height:20px;border-width:2px}.loading-spinner.medium .spinner{width:40px;height:40px;border-width:3px}.loading-spinner.large .spinner{width:60px;height:60px;border-width:4px}.loading-text{color:#666;font-size:.9rem;font-weight:500}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}