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

body{
    display:flex;
    background:#f4f4f4;
    color:#1a1a1a;
}

.sidebar{
    width:250px;
    height:100vh;
    background:#000000;
    color:#d4af37;
    padding:20px;
    border-right:2px solid #d4af37;
}

.sidebar h2{
    margin-bottom:30px;
    color:#ffd700;
    font-size:28px;
    letter-spacing:2px;
}

.sidebar ul{
    list-style:none;
}

.sidebar li{
    padding:15px;
    margin-bottom:10px;
    background:#111111;
    color:#f5d76e;
    cursor:pointer;
    border-radius:8px;
    transition:0.3s ease;
    border:1px solid transparent;
}

.sidebar li:hover{
    background:#d4af37;
    color:#000000;
    border:1px solid #ffd700;
    transform:translateX(5px);
}

.main-content{
    flex:1;
    padding:30px;
}

header{
    margin-bottom:30px;
}

.cards{
    display:flex;
    gap:20px;
    margin-bottom:30px;
}

.card{
    background:white;
    padding:20px;
    border-radius:12px;
    width:200px;
    box-shadow:0 2px 10px rgba(0,0,0,0.1);
    border-top:4px solid #d4af37;
}

.card h3{
    margin-bottom:10px;
}

.activity{
    background:white;
    padding:20px;
    border-radius:12px;
    box-shadow:0 2px 10px rgba(0,0,0,0.1);
}

.activity ul{
    margin-top:15px;
}

.activity li{
    margin-bottom:10px;
}