:root {
    --bg-color: #f8f9fa;
    --text-color: #1f2937;
    --heading-color: #111827;
    --link-color: #2563eb;
    --container-bg: #ffffff;
    --border-color: #e5e7eb;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #111827;
        --text-color: #d1d5db;
        --heading-color: #f9fafb;
        --link-color: #60a5fa;
        --container-bg: #1f2937;
        --border-color: #374151;
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 2rem 1rem;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--container-bg);
    padding: 2rem; /* Initial padding */
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

h1 {
    color: var(--heading-color);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

h2 {
    color: var(--heading-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

p, li {
    margin-bottom: 1rem;
}

ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

a {
    color: var(--link-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

a:hover {
    text-decoration: underline;
    color: var(--heading-color);
}

.last-updated {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

@media (max-width: 640px) {
    body {
        padding: 0;
    }
    .container {
        border-radius: 0;
        box-shadow: none;
        padding: 1.5rem;
    }
    h1 {
        font-size: 1.875rem;
    }
}