/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.65;
    color: #2c2c2c;
    background: #ffffff;
    display: flex;
    min-height: 100vh;
}

/* ===== SIDEBAR ===== */
#sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 260px;
    height: 100vh;
    background: #1a1f2e;
    color: #cdd6e8;
    overflow-y: auto;
    z-index: 100;
    display: flex;
    flex-direction: column;
}
#sidebar .brand {
    padding: 28px 20px 20px;
    border-bottom: 1px solid #2d3450;
}
#sidebar .brand h1 {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
}
#sidebar .brand .tagline {
    font-size: 11px;
    color: #7b8db0;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}
#sidebar nav { flex: 1; padding: 12px 0 20px; }
#sidebar nav .nav-section {
    padding: 14px 20px 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #4e5d80;
}
#sidebar nav a {
    display: block;
    padding: 7px 20px 7px 28px;
    font-size: 13.5px;
    color: #9baac7;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.15s;
}
#sidebar nav a:hover,
#sidebar nav a.active {
    color: #ffffff;
    background: rgba(255,255,255,0.06);
    border-left-color: #5b8cff;
}
#sidebar nav a.top-level {
    padding-left: 20px;
    font-weight: 600;
    color: #b8c6e0;
}

/* ===== MAIN CONTENT ===== */
#content {
    margin-left: 260px;
    flex: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.page-section { display: none; }
.page-section.active { display: block; }

/* ===== TOPBAR ===== */
.topbar {
    position: sticky; top: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid #e8edf4;
    padding: 0 48px;
    height: 52px;
    display: flex;
    align-items: center;
    z-index: 50;
}
.topbar h2 { font-size: 16px; font-weight: 600; color: #1a1f2e; }

/* ===== ARTICLE ===== */
article {
    padding: 44px 48px 80px;
    max-width: 860px;
}
article h1 { font-size: 30px; font-weight: 700; margin-bottom: 12px; color: #111; }
article h2 { font-size: 21px; font-weight: 700; margin: 40px 0 12px; color: #1a1f2e; border-bottom: 1px solid #e5e9f0; padding-bottom: 6px; }
article h3 { font-size: 16px; font-weight: 700; margin: 28px 0 10px; color: #1a1f2e; }
article p { margin-bottom: 14px; color: #3d4550; }
article ul, article ol { margin: 10px 0 16px 24px; }
article li { margin-bottom: 6px; color: #3d4550; }
article a { color: #3a6fff; text-decoration: none; }
article a:hover { text-decoration: underline; }
article strong { font-weight: 600; }

/* ===== CALLOUTS ===== */
.callout {
    border-left: 4px solid #5b8cff;
    background: #f0f4ff;
    padding: 14px 18px;
    border-radius: 0 6px 6px 0;
    margin: 18px 0;
}
.callout.warn { border-color: #f0a000; background: #fffbf0; }
.callout.danger { border-color: #e84040; background: #fff5f5; }
.callout strong { display: block; margin-bottom: 4px; color: #1a1f2e; }

/* ===== CODE ===== */
code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 13px;
    background: #f0f3f8;
    padding: 2px 6px;
    border-radius: 4px;
    color: #d63384;
}
pre {
    background: #1a1f2e;
    color: #cdd6e8;
    border-radius: 8px;
    padding: 20px 22px;
    overflow-x: auto;
    margin: 16px 0 22px;
    font-size: 13px;
    line-height: 1.65;
}
pre code { background: transparent; padding: 0; color: inherit; font-size: inherit; }
.kw { color: #79b8ff; }
.cm { color: #6a7a99; font-style: italic; }
.str { color: #98e97f; }
.type { color: #f8b500; }
.fn { color: #b3d9ff; }
.num { color: #ff9950; }

/* ===== TABLES ===== */
table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 13.5px; }
thead th { background: #f0f3f8; text-align: left; padding: 10px 14px; font-weight: 700; border-bottom: 2px solid #d8e0ef; }
tbody td { padding: 9px 14px; border-bottom: 1px solid #e8edf4; vertical-align: top; }
tbody tr:hover { background: #f8f9fc; }

/* ===== IMAGE PLACEHOLDERS ===== */
.img-placeholder {
    width: 100%;
    max-width: 720px;
    background: #e8edf4;
    border: 2px dashed #b0bdd6;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #8090b0;
    font-size: 13px;
    font-weight: 600;
    margin: 18px 0;
    padding: 0;
}
.img-placeholder.sm { height: 120px; }
.img-placeholder.md { height: 220px; }
.img-placeholder.lg { height: 320px; }

/* ===== FEATURE CARDS ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 18px;
    margin: 22px 0;
}
.feature-card {
    border: 1px solid #e0e7f0;
    border-radius: 10px;
    padding: 20px;
    background: #fafbff;
}
.feature-card .icon { font-size: 26px; margin-bottom: 10px; }
.feature-card h4 { font-size: 14px; font-weight: 700; margin-bottom: 6px; color: #1a1f2e; }
.feature-card p { font-size: 13px; color: #606880; margin: 0; }

/* ===== NAV PAGINATION ===== */
.page-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 56px;
    padding-top: 24px;
    border-top: 1px solid #e5e9f0;
}
.page-nav a {
    display: inline-flex;
    flex-direction: column;
    font-size: 13px;
    color: #3a6fff;
    text-decoration: none;
    border: 1px solid #d5e0ff;
    border-radius: 8px;
    padding: 12px 18px;
    max-width: 46%;
    transition: background 0.15s;
}
.page-nav a:hover { background: #f0f4ff; }
.page-nav .label { font-size: 11px; font-weight: 600; color: #8090b0; text-transform: uppercase; letter-spacing: 0.7px; margin-bottom: 3px; }
.page-nav a.next { text-align: right; margin-left: auto; }

/* ===== BADGE ===== */
.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge.bp { background: #e0f0ff; color: #1060cc; }
.badge.cpp { background: #ffe8f0; color: #cc2060; }
.badge.android { background: #e8f8e8; color: #207020; }

/* ===== RESPONSIVE ===== */
#hamburger { display: none; }
@media (max-width: 900px) {
    #sidebar { transform: translateX(-260px); transition: transform 0.25s; }
    #sidebar.open { transform: translateX(0); }
    #content { margin-left: 0; }
    article { padding: 30px 24px 60px; }
    .topbar { padding: 0 20px; }
    #hamburger {
        display: block;
        position: fixed; top: 12px; right: 16px; z-index: 200;
        background: #1a1f2e; color: #fff;
        border: none; cursor: pointer;
        padding: 8px 12px; border-radius: 6px;
        font-size: 18px;
    }
}

/* Syntax highlight extras */
pre .comment { color: #5c7099; }

/* ===== HUB (all plugins) ===== */
body.docs-hub {
    display: block;
    min-height: 100vh;
    background: linear-gradient(180deg, #1a1f2e 0%, #1a1f2e 220px, #f0f3f8 220px);
}
body.docs-hub .hub-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 36px 24px 72px;
}
body.docs-hub .hub-hero {
    color: #fff;
    margin-bottom: 28px;
}
body.docs-hub .hub-hero h1 { font-size: 32px; font-weight: 800; margin-bottom: 8px; }
body.docs-hub .hub-hero p { color: #9baac7; font-size: 15px; max-width: 640px; }
body.docs-hub .plugin-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
body.docs-hub .plugin-card {
    background: #fff;
    border-radius: 12px;
    padding: 22px;
    border: 1px solid #e0e7f0;
    box-shadow: 0 4px 20px rgba(26,31,46,0.06);
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.15s, box-shadow 0.15s;
}
body.docs-hub .plugin-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(26,31,46,0.1);
}
body.docs-hub .plugin-card h2 { font-size: 18px; color: #1a1f2e; margin-bottom: 8px; }
body.docs-hub .plugin-card .badge-row { margin-bottom: 10px; }
body.docs-hub .plugin-card p { font-size: 13.5px; color: #5a6570; margin: 0; line-height: 1.55; }
body.docs-hub .plugin-card .go { margin-top: 14px; font-size: 13px; font-weight: 700; color: #3a6fff; }