body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f7fa;
    color: #222;
}

header {
    background: #101820;
    color: white;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

.status {
    color: #7cff7c;
}

main {
    max-width: 900px;
    margin: 50px auto;
    background: white;
    padding: 40px;
    border-radius: 8px;
}

.cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.card {
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 6px;
}

pre {
    background: #111;
    color: #0f0;
    padding: 20px;
}

footer {
    text-align: center;
    padding: 30px;
    color: #777;
}