.App{min-height:100vh;background-color:#f8f9fa}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:1rem}.loading-spinner{width:40px;height:40px;border:4px solid #e3e3e3;border-top:4px solid #3498db;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.card{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a;padding:1.5rem;margin-bottom:1rem}.btn{padding:.5rem 1rem;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:all .2s}.btn-primary{background-color:#007bff;color:#fff}.btn-primary:hover{background-color:#0056b3}.btn-danger{background-color:#dc3545;color:#fff}.btn-danger:hover{background-color:#c82333}.btn-secondary{background-color:#6c757d;color:#fff}.btn-secondary:hover{background-color:#545b62}.form-group{margin-bottom:1rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500}.form-input{width:100%;padding:.75rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.form-input:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 2px #007bff40}.alert{padding:1rem;border-radius:4px;margin-bottom:1rem}.alert-success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.alert-error{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.alert-warning{background-color:#fff3cd;color:#856404;border:1px solid #ffeaa7}.alert-info{background-color:#cce7ff;color:#004085;border:1px solid #bee5eb}@media (max-width: 768px){.container{padding:0 .5rem}.card{padding:1rem}}