*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:#f5f5f5}#root{min-height:100vh;display:flex;flex-direction:column}.navbar{background-color:#2c3e50;padding:1rem 0;box-shadow:0 2px 4px #0000001a}.navbar-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.navbar-brand{color:#fff;text-decoration:none;font-size:1.5rem;font-weight:700}.navbar-brand:hover{color:#3498db}.navbar-menu{list-style:none;display:flex;gap:2rem}.navbar-link{color:#fff;text-decoration:none;font-size:1.1rem;transition:color .3s ease}.navbar-link:hover{color:#3498db}.navbar-link.active{color:#3498db;font-weight:700}.home{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:2rem;text-align:center}.home h1{font-size:2.5rem;color:#2c3e50;margin-bottom:1rem}.home p{font-size:1.2rem;color:#7f8c8d}.qr-page{flex:1;display:flex;justify-content:center;align-items:center;padding:2rem}.qr-container{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 8px #0000001a;max-width:600px;width:100%}.qr-container h1{color:#2c3e50;margin-bottom:2rem;text-align:center}.qr-form{display:flex;flex-direction:column;gap:1rem}.qr-form label{font-size:1.1rem;color:#2c3e50;font-weight:500}.qr-form input{padding:.75rem;font-size:1rem;border:2px solid #ddd;border-radius:4px;transition:border-color .3s ease}.qr-form input:focus{outline:none;border-color:#3498db}button{padding:.75rem 1.5rem;font-size:1rem;font-weight:600;color:#fff;background-color:#3498db;border:none;border-radius:4px;cursor:pointer;transition:background-color .3s ease}button:hover{background-color:#2980b9}.qr-result{margin-top:2rem;text-align:center}.qr-result h2{color:#2c3e50;margin-bottom:1rem;font-size:1.3rem}.qr-result img{max-width:100%;height:auto;border:2px solid #ddd;border-radius:4px}