*{
    box-sizing:border-box;
}

body{
    margin:0;
    background:#f4f6f9;
    font-family:Arial, Helvetica, sans-serif;
}

.topbar{
    background:#222;
    color:white;
    padding:20px 30px;
    box-shadow:0 2px 8px rgba(0,0,0,.2);
}

.topbar h1{
    margin:0;
    font-size:28px;
}

.container{
    padding:25px;
}

.card{
    background:white;
    padding:20px;
    margin-bottom:20px;
    border-radius:12px;
    box-shadow:0 2px 8px rgba(0,0,0,.08);
}

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

table th{
    background:#222;
    color:white;
    text-align:left;
    padding:12px;
}

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

.form-group{
    margin-bottom:15px;
}

.form-group label{
    display:block;
    margin-bottom:5px;
    font-weight:bold;
}

input,
select,
textarea{
    width:100%;
    padding:10px;
    border:1px solid #ccc;
    border-radius:8px;
    font-size:15px;
}

textarea{
    resize:vertical;
}

.btn{
    display:inline-block;
    padding:10px 18px;
    border-radius:8px;
    text-decoration:none;
    color:white;
    font-weight:bold;
    border:none;
    cursor:pointer;
    margin-right:5px;
    margin-bottom:5px;
    transition:.15s;
}

.btn:hover{
    transform:translateY(-1px);
}

.btn-green{
    background:#00a651;
}

.btn-blue{
    background:#007bff;
}

.btn-yellow{
    background:#ffb300;
    color:#111;
}

.btn-red{
    background:#dc3545;
}

.btn-grey{
    background:#6c757d;
}

.btn-purple{
    background:#6f42c1;
}

.menu-grid{
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(250px,1fr));
    gap:15px;
}

.menu-tile{
    display:flex;
    justify-content:center;
    align-items:center;
    min-height:100px;
    border-radius:12px;
    text-decoration:none;
    color:white;
    font-size:20px;
    font-weight:bold;
}

.tile-blue{
    background:#007bff;
}

.tile-green{
    background:#00a651;
}

.tile-red{
    background:#dc3545;
}

.tile-yellow{
    background:#ffb300;
    color:#111;
}

.tile-purple{
    background:#6f42c1;
}