body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    color: #222;
}

header {
    background: #1f2937;
    color: white;
    padding: 30px;
    text-align: center;
}

main {
    max-width: 900px;
    margin: 40px auto;
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 0 15px rgba(0,0,0,0.08);
}

h1 {
    margin-top: 0;
    color: #111827;
}

.status {
    padding: 15px;
    background: #ecfdf5;
    border-left: 5px solid #10b981;
    margin: 20px 0;
}

.block {
    margin-top: 25px;
}

ul {
    line-height: 1.8;
}

footer {
    text-align: center;
    color: #666;
    margin-top: 40px;
    padding: 20px;
}