#app{min-height:100vh;width:100%}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#f5f5f5;color:#333}button{cursor:pointer;border:none;padding:10px 20px;border-radius:4px;font-size:14px;transition:background-color .2s}button:hover{opacity:.9}input,select{padding:10px;border:1px solid #ddd;border-radius:4px;font-size:14px}.container{max-width:1200px;margin:0 auto;padding:20px}.card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 4px #0000001a;margin-bottom:20px}.btn-primary{background-color:#007bff;color:#fff}.btn-secondary{background-color:#6c757d;color:#fff}.btn-success{background-color:#28a745;color:#fff}.error-message{color:#dc3545;margin-top:10px;font-size:14px}.success-message{color:#28a745;margin-top:10px;font-size:14px}