body {
    margin: 0;
    padding: 0;
    font-family: "JetBrains Mono", "Fira Mono", "Menlo", "Consolas", monospace;
    background: #181c20;
    color: #e6e6e6;
    min-height: 100vh;
}

header {
    background: #23272e;
    color: #7fd1b9;
    padding: 28px 0 18px 0;
    text-align: center;
    border-bottom: 1px solid #31363c;
    letter-spacing: 1px;
}

header h1 {
    margin: 0;
    font-size: 2.2rem;
    font-weight: 700;
    font-family: inherit;
}

.main-content {
    max-width: 740px;
    margin: 40px auto;
    padding: 32px;
    background: #23272e;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
    border: 1px solid #31363c;
}

a {
    color: #7fd1b9;
    text-decoration: underline;
    transition: color 0.2s;
}
a:hover {
    color: #f6c177;
}

code,
pre {
    font-family: inherit;
    background: #181c20;
    color: #f6c177;
    padding: 2px 6px;
    border-radius: 4px;
}

footer {
    text-align: center;
    color: #4b525a;
    padding: 32px 0 16px 0;
    font-size: 1rem;
    margin-top: 48px;
    border-top: 1px solid #31363c;
}