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

body{
    background:#f3f4f6;
    padding:20px;
}

.container{
    max-width:1200px;
    margin:auto;
}

.header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    flex-wrap:wrap;
    gap:10px;
    margin-bottom:30px;
}

.header h1{
    color:#111827;
}

.menu{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
}

.btn{
    padding:12px 18px;
    border-radius:10px;
    color:white;
    text-decoration:none;
    font-weight:bold;
}

.hijau{
    background:#16a34a;
}

.biru{
    background:#2563eb;
}

.kelas-box{
    margin-bottom:40px;
}

.kelas-box h2{
    margin-bottom:15px;
    color:#1f2937;
}

.grid-siswa{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
    gap:15px;
}

.card-siswa{
    background:white;
    padding:20px;
    border-radius:16px;
    cursor:pointer;
    transition:0.3s;
    box-shadow:0 2px 8px rgba(0,0,0,0.08);
}

.card-siswa:hover{
    transform:translateY(-5px);
}
}