#cev2-wrapper {max-width:900px;margin:auto;}
.cev2-tabs {display:flex;gap:10px;margin-bottom:10px;}
.cev2-tabs button {padding:8px 16px;border:1px solid #ccc;background:#f5f5f5;cursor:pointer;border-radius:6px;}
.cev2-tabs button.active {background:#fff;border-bottom:2px solid #0073aa;}

.cev2-panel {display:none;}
.cev2-panel.active {display:block;}

.code-editor {
    width:100%;
    height:400px !important;
    border:1px solid #ccc;
    border-radius:6px;
}

#runCode {margin-top:15px;padding:10px 20px;background:#0073aa;color:white;border:none;border-radius:6px;cursor:pointer;}

.output-box {width:100%;height:300px;border:1px solid #ccc;margin-top:15px;border-radius:6px;}