:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --link-color: #000;
    --accent-color: #2a7ae2;
    --border-color: #e0e0e0;
    --sidebar-bg: #f8f9fa;
    --sidebar-width: 280px;
    --container-width: 100%;
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: "Crimson Pro", "Georgia", serif;
    --font-mono: "JetBrains Mono", "Courier New", monospace;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-serif);
    font-size: 18px;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-content {
    padding: 20px;
    flex-grow: 1;
}

.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 10px;
}

.sidebar-nav a {
    text-decoration: none;
    color: #666;
    font-family: var(--font-mono);
    font-size: 13px;
    display: block;
    padding: 8px 12px;
    border-radius: 4px;
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    background: #eee;
    color: var(--text-color);
}

.nav-section-title {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    color: #999;
    letter-spacing: 1px;
    margin: 20px 0 10px 12px;
}

/* Main Content Area */
.main-layout {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

header.site-header {
    padding: 15px 30px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    background: #fff;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-right: 15px;
}

.page-container {
    padding: 40px 60px;
    max-width: 900px;
}

/* IDE Facets */
.facet-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.drill-down-pane {
    background: #fff;
    border: 1px solid var(--border-color);
    padding: 25px;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        z-index: 1000;
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .hamburger {
        display: block;
    }
    .page-container {
        padding: 20px;
    }
}

blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 20px;
    margin: 30px 0;
    font-style: italic;
    color: #555;
}

.data-block {
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    font-family: var(--font-mono);
}

.block-header {
    background: #000;
    color: #fff;
    padding: 5px 15px;
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 1px;
}

.block-content {
    padding: 20px;
    font-size: 14px;
    line-height: 1.5;
}

#contribution-zone {
    background: #000;
    color: #0f0;
    padding: 40px;
    border: 1px solid #333;
    border-radius: 4px;
    margin-top: 60px;
    font-family: var(--font-mono);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

#contribution-zone h3 {
    margin-top: 0;
    font-size: 18px;
    color: #fff;
    border-bottom: 1px solid #333;
    padding-bottom: 10px;
}

.suggest-form label {
    font-size: 11px;
    text-transform: uppercase;
    color: #0f0;
    opacity: 0.7;
    margin-bottom: 8px;
}

.suggest-form textarea, .suggest-form input[type="text"] {
    background: #111;
    border: 1px solid #333;
    color: #0f0;
    font-family: var(--font-mono);
    font-size: 14px;
    outline: none;
}

.suggest-form textarea:focus, .suggest-form input[type="text"]:focus {
    border-color: #0f0;
}

.btn-auth {
    background: #0f0;
    border: none;
    color: #000;
    padding: 10px 20px;
    border-radius: 2px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
}

.btn-auth:hover {
    background: #fff;
    color: #000;
}

#logged-out-msg h3 {
    color: #fff;
}

#logged-out-msg p {
    color: #0f0;
    opacity: 0.8;
}

footer.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    font-family: var(--font-mono);
    font-size: 12px;
    color: #999;
}