body{
    font-family: Arial, Helvetica, sans-serif;
    background:#f4f6f8;
    margin:0;
    padding:0;
    color:#333;
}

.topbar{
    background:#222;
    color:#fff;
    padding:15px 25px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.container{
    width:95%;
    max-width:1400px;
    margin:25px auto;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:20px;
}

.nav-card{
    background:#6fb52d;
    border-radius:14px;
    padding:24px;
    transition:all .25s ease;
    box-shadow:0 3px 10px rgba(0,0,0,.08);
}

.nav-card:hover{
    background:#5f5f5f;
    transform:translateY(-3px);
}

.nav-card a{
    color:#fff;
    text-decoration:none;
    display:block;
}

.nav-card h3{
    margin:0 0 8px;
    font-size:20px;
}

.nav-card p{
    margin:0;
    opacity:.9;
    font-size:14px;
}

.table-wrap{
    background:#fff;
    border-radius:14px;
    padding:20px;
    box-shadow:0 2px 8px rgba(0,0,0,.05);
    overflow:auto;
}

table{
    width:100%;
    border-collapse:collapse;
}

table th{
    background:#6fb52d;
    color:#fff;
    padding:12px;
    text-align:left;
}

table td{
    padding:12px;
    border-bottom:1px solid #e5e5e5;
}

.btn{
    background:#6fb52d;
    color:#fff;
    border:none;
    padding:10px 16px;
    border-radius:10px;
    cursor:pointer;
    transition:all .2s ease;
}

.btn:hover{
    background:#5f5f5f;
}

input,
select,
textarea{
    width:100%;
    padding:12px;
    border:1px solid #dcdcdc;
    border-radius:10px;
    margin-bottom:15px;
    box-sizing:border-box;
}

.card{
    background:#fff;
    border-radius:14px;
    padding:24px;
    box-shadow:0 2px 8px rgba(0,0,0,.05);
}

h1,h2,h3{
    margin-top:0;
}