*{box-sizing:border-box}body{margin:0}.container{min-height:100vh;display:grid;place-items:center;padding:20px}.card{width:min(720px,100%);border:1px solid;border-radius:8px;padding:24px}h1{margin:0 0 12px;font-size:1.6rem}p{margin:8px 0}.form{margin-top:12px;display:flex;gap:10px}input{flex:1;border:1px solid;border-radius:8px;padding:10px 12px;font-size:1rem}button,a{border:0;border-radius:8px;background:ButtonFace;color:ButtonText;text-decoration:none;padding:10px 14px;font-weight:600;cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}.headerRow{display:flex;justify-content:space-between;align-items:center;gap:12px}.apkList{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:12px}.apkItem{border:1px solid;border-radius:10px;padding:14px;display:flex;justify-content:space-between;align-items:center;gap:12px}.error{color:#c00}@media(max-width:640px){.form{flex-direction:column}.apkItem{flex-direction:column;align-items:flex-start}}