@import url('https://fonts.googleapis.com/css2?family=Karla:wght@700&display=swap');
body{font-family:'Karla',sans-serif;background:#0b0f14;color:#e9f2ff;padding:22px}
.card{display:inline-block;margin:6px;padding:10px;border:1px solid #2b3b56;border-radius:10px;background:#111827;cursor:pointer}
.tr{display:none}.show .tr{display:block;margin-top:6px}