body {
    font-family: Arial, sans-serif;
    background: #0f172a;
    color: white;
    margin: 0;
}


header {
    text-align: center;
    padding: 30px;
}


h1 {
    font-size: 36px;
}


main {
    padding: 20px;
}


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


select,
button {

    padding: 10px;
    border-radius: 8px;
    border: none;
    font-size: 15px;
}


button {
    cursor: pointer;
}


.table-container {
    overflow-x: auto;
}


table {

    width: 100%;
    border-collapse: collapse;
    background: #1e293b;
}


th {

    background: #334155;
    padding: 12px;
    text-align: center;
}


td {

    padding: 10px;
    text-align: center;
    border-bottom: 1px solid #475569;
}


tr:hover {

    background: #334155;
}


a {

    color: #60a5fa;
    text-decoration: none;
}


footer {

    text-align: center;
    padding: 20px;
    opacity: 0.7;
}