*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Segoe UI, Arial, sans-serif;
}

html,body{
    width:100%;
    height:100%;
    overflow:hidden;
    background:#f3f4f6;
}

#container{
    display:flex;
    width:100%;
    height:100vh;
}

/* ---------- Left Panel ---------- */

#leftPanel{

    width:320px;

    background:#ffffff;

    border-right:1px solid #dcdcdc;

    display:flex;

    flex-direction:column;

}

#searchBox{

    margin:15px;

    padding:10px 12px;

    font-size:15px;

    border:1px solid #cfcfcf;

    border-radius:6px;

    outline:none;

}

#filters{

    display:flex;

    flex-wrap:wrap;

    gap:6px;

    padding:0 15px 12px 15px;

}

#filters button{

    padding:6px 12px;
    border:none;
    border-radius:5px;
    cursor:pointer;
    font-size:13px;

}

#fileList{

    flex:1;

    overflow-y:auto;

    border-top:1px solid #ececec;

}

/* ---------- Right Panel ---------- */

#rightPanel{

    flex:1;

    background:white;

    display:flex;

    flex-direction:column;

    align-items:center;

    justify-content:center;

}

#rightPanel h2{

    font-size:28px;

    margin-bottom:15px;

    color:#1f2937;

}

#rightPanel p{

    font-size:18px;

    color:#666;

}

.filterBtn{

    padding:8px 14px;

    margin:2px;

    border:none;

    border-radius:6px;

    background:#eeeeee;

    cursor:pointer;

}

.filterBtn:hover{

    background:#dfefff;

}

.filterBtn.active{

    background:#2d6cdf;

    color:white;

}