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

body{
    background:#f4f9ff;
}

.container{
    width:100%;
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
}

.form-box{
    width:400px;
    background:#fff;
    padding:40px;
    border-radius:20px;
    box-shadow:0 10px 30px rgba(0,0,0,0.1);
}

.form-box h2{
    text-align:center;
    margin-bottom:25px;
    color:#0099ff;
}

.input-box{
    margin-bottom:20px;
}

.input-box input{
    width:100%;
    padding:14px;
    border:none;
    background:#f1f5f9;
    border-radius:10px;
    outline:none;
}

.btn{
    width:100%;
    padding:14px;
    border:none;
    background:#0099ff;
    color:#fff;
    border-radius:10px;
    cursor:pointer;
    font-size:16px;
    transition:0.3s;
}

.btn:hover{
    background:#0077cc;
}

.dashboard{
    display:flex;
}

.sidebar{
    width:250px;
    height:100vh;
    background:#0f172a;
    padding:30px;
    position:fixed;
}

.sidebar h2{
    color:#fff;
    margin-bottom:40px;
}

.sidebar ul{
    list-style:none;
}

.sidebar ul li{
    margin:20px 0;
}

.sidebar ul li a{
    color:#fff;
    text-decoration:none;
    font-size:18px;
}

.main-content{
    margin-left:250px;
    width:100%;
    padding:30px;
}

.cards{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
    margin-top:30px;
}

.card{
    background:#fff;
    padding:30px;
    border-radius:20px;
    box-shadow:0 5px 20px rgba(0,0,0,0.1);
}

.card h3{
    margin-bottom:10px;
    color:#0099ff;
}

.table{
    width:100%;
    border-collapse:collapse;
    margin-top:30px;
    background:#fff;
}

.table th,
.table td{
    padding:15px;
    border:1px solid #ddd;
}

.action-btn{
    padding:8px 15px;
    border:none;
    border-radius:5px;
    color:#fff;
    cursor:pointer;
}

.edit{
    background:#22c55e;
}

.delete{
    background:#ef4444;
}

@media(max-width:900px){

    .cards{
        grid-template-columns:1fr;
    }

    .dashboard{
        flex-direction:column;
    }

    .sidebar{
        width:100%;
        height:auto;
        position:relative;
    }

    .main-content{
        margin-left:0;
    }

}