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

html {
    font-size: 15px;
}

body {
    background: #fff;
    color: #333;
    font: 1rem/1.5 system-ui, sans-serif;
}

main {
    margin: 3rem auto;
    padding: 0 1rem;
    max-width: 960px;
}

table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
    margin: 1rem 0;
    border: 1px solid #ddd;
}

td, th {
    padding: 0.65rem;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    font-weight: 600;
}

tbody tr:nth-child(even),
thead {
    background-color: #fafafa;
}

.hidden {
    display: none;
}

.pagination {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination .btn {
    margin: 0 0.6rem;
}

.btn {
    cursor: pointer;
    border: none;
    padding: 0.8rem;
    background-color: #333;
    color: #fff;
    border-radius: 4px;
}

.btn:disabled {
    cursor: not-allowed;
    background-color: #fafafa;
    color: #666;
}