:root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --text: #1e293b;
    --text-secondary: #475569;
    --border: #e2e8f0;
    --primary: #6366f1;
    --primary-light: #eef2ff;
    --accent: #8b5cf6;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f172a;
        --surface: #1e293b;
        --text: #f1f5f9;
        --text-secondary: #94a3b8;
        --border: #334155;
        --primary: #818cf8;
        --primary-light: #1e1b4b;
        --accent: #a78bfa;
    }
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
}

header {
    text-align: center;
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2.5rem;
}

.app-icon-img {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: inline-block;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    object-fit: cover;
}

h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

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

.last-updated {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.35rem 1rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 1rem;
}

section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.75rem 2rem;
    margin-bottom: 1.25rem;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

h2 .icon {
    font-size: 1.3rem;
}

p {
    margin-bottom: 0.85rem;
    color: var(--text-secondary);
}

p:last-child {
    margin-bottom: 0;
}

ul, ol {
    margin: 0.5rem 0 1rem 1.5rem;
    color: var(--text-secondary);
}

li {
    margin-bottom: 0.4rem;
}

a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}

.badge {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 0.2rem 0.65rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-right: 0.35rem;
    margin-bottom: 0.35rem;
}

.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.5rem 0;
}

footer {
    text-align: center;
    padding-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

@media (max-width: 600px) {
    .container {
        padding: 1rem 1rem 3rem;
    }
    section {
        padding: 1.25rem 1.25rem;
        border-radius: 12px;
    }
    .app-icon-img {
        width: 80px;
        height: 80px;
        border-radius: 20px;
        display: inline-block;
        margin-bottom: 1rem;
        box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
        object-fit: cover;
    }

    h1 {
        font-size: 1.5rem;
    }
}