:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --accent-green: #22c55e;
    --accent-yellow: #facc15;
    --card-bg: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 16px;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 20px 0;
}

header {
    text-align: center;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
}

h1 {
    font-size: 1.75rem;
    font-weight: 900;
    margin-bottom: 8px;
    background: linear-gradient(to right, #fff, #ccc);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.content {
    background-color: var(--card-bg);
    padding: 24px 20px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

h2 {
    color: var(--accent-yellow);
    font-size: 1.25rem;
    margin-top: 24px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    line-height: 1.3;
}

h2:first-child {
    margin-top: 0;
}

h3 {
    color: var(--accent-green);
    font-size: 1.1rem;
    margin-top: 16px;
    margin-bottom: 8px;
    line-height: 1.3;
}

p {
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

ul {
    margin-bottom: 16px;
    padding-left: 24px;
    color: rgba(255, 255, 255, 0.85);
}

li {
    margin-bottom: 10px;
    font-size: 0.95rem;
    line-height: 1.5;
}

strong {
    color: var(--accent-green);
    font-weight: 700;
}

.last-updated {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: 32px;
    margin-bottom: 16px;
}

a {
    color: var(--accent-green);
    text-decoration: none;
    transition: color 0.2s;
    word-break: break-word;
}

a:hover,
a:active {
    color: var(--accent-yellow);
    text-decoration: underline;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.nav-button {
    display: block;
    padding: 12px 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-color);
    font-weight: 600;
    text-align: center;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.nav-button:hover,
.nav-button:active {
    border-color: var(--accent-green);
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--accent-green);
    text-decoration: none;
    transform: translateY(-2px);
}

/* Desktop optimizations */
@media (min-width: 768px) {
    body {
        padding: 40px 20px;
    }

    .container {
        max-width: 800px;
        padding: 40px 20px;
    }

    header {
        margin-bottom: 60px;
        padding-bottom: 40px;
    }

    h1 {
        font-size: 2.5rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .content {
        padding: 40px;
    }

    h2 {
        font-size: 1.5rem;
        margin-top: 30px;
        margin-bottom: 15px;
        padding-bottom: 10px;
    }

    h3 {
        font-size: 1.2rem;
        margin-top: 20px;
        margin-bottom: 10px;
    }

    p,
    li {
        font-size: 1rem;
    }

    .nav-links {
        flex-direction: row;
        justify-content: center;
        gap: 20px;
    }

    .nav-button {
        padding: 10px 20px;
        font-size: 1rem;
    }
}