body{margin:0;background-color:#000;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;font-size:.9rem;letter-spacing:1px}.card{max-width:75%;color:#fff;margin:1rem auto;padding:1rem;text-align:center;background-color:#222;border:2px solid black}.content{max-width:75%;color:#fff;margin:1rem auto;padding:1rem;text-align:center;background-color:#111}.navBar{background-color:#222;color:#fff;padding:1rem 3rem;position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;z-index:1000;font-size:1.5rem;font-weight:700;letter-spacing:1px}.navBar .links{display:flex;gap:1.5rem}.QRCode{border:2px solid white;max-width:100%;height:auto}input[type=text],input[type=password],input[type=number],input[type=file]{max-width:100%;box-sizing:border-box}table{width:100%;border-collapse:collapse}@media(max-width:600px){.card,.content{max-width:95%;padding:.75rem}.navBar{padding:.75rem 1rem;font-size:1.1rem;flex-wrap:wrap;gap:.5rem}.navBar .links{gap:1rem;font-size:.85rem}}