#app{width:100%;height:100vh;overflow:hidden}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5;color:#333;background:#f5f7fa}a{color:inherit;text-decoration:none}button,input,textarea{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a1a1a1}.btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:#667eea;color:#fff}.btn-primary:hover:not(:disabled){background:#5a6fd6}.btn-secondary{background:#e2e8f0;color:#4a5568}.btn-secondary:hover:not(:disabled){background:#cbd5e0}.btn-danger{background:#fc8181;color:#fff}.btn-danger:hover:not(:disabled){background:#f56565}.btn-success{background:#48bb78;color:#fff}.btn-success:hover:not(:disabled){background:#38a169}.form-control{width:100%;padding:10px 12px;border:1px solid #e2e8f0;border-radius:6px;font-size:14px;transition:border-color .2s}.form-control:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-control::placeholder{color:#a0aec0}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fade-in{animation:fadeIn .3s ease}.spin{animation:spin 1s linear infinite}