.icard-container{padding:10px;font-family:Arial}
header{display:flex;justify-content:space-between;align-items:center}
.panel{display:flex;gap:20px}
.left,.right{width:25%;border:1px solid #999;padding:10px;border-radius:6px;background:#fff}
.middle{width:50%;text-align:center;border:1px solid #999;border-radius:6px;background:#eee}
.log{height:250px;overflow:auto;font-size:12px;background:#000;color:#0f0;padding:5px}
.dark body{background:#111;color:#fff}
.dark .left,.dark .right{background:#222;color:#fff;border:1px solid #555}
.dark .middle{background:#000}