/* Leonne's Angel Machine - Obsidian-inspired Stylesheet */

:root {
    /* Dark theme colors from Obsidian */
    --bg-primary: #1e1e1e;
    --bg-secondary: #252525;
    --bg-sidebar: #202020;
    --text-primary: #dcddde;
    --text-secondary: #b9bbbe;
    --text-muted: #72767d;
    --accent-purple: #a277ff;
    --accent-cyan: #61afef;
    --accent-pink: #ff6bcb;
    --accent-green: #98c379;
    --accent-yellow: #e5c07b;
    --border-color: #3a3a3a;
    --hover-bg: #2a2a2a;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
    min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    overflow-y: auto;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
}

.sidebar-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h1 {
    font-size: 18px;
    color: var(--accent-purple);
    margin-bottom: 5px;
}

.sidebar-header p {
    font-size: 12px;
    color: var(--text-muted);
}

/* Constellation View Button */
.constellation-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 15px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan));
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 20px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.constellation-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(162, 119, 255, 0.4);
}

/* Folder Navigation */
.folder-nav {
    list-style: none;
}

.folder-item {
    margin-bottom: 5px;
}

.folder-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    text-align: left;
    transition: background 0.2s;
    z-index: 1;
    position: relative;
}

.folder-toggle:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.folder-icon {
    font-size: 12px;
    transition: transform 0.2s;
}

.folder-item.open .folder-icon {
    transform: rotate(90deg);
}

.folder-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding-left: 20px;
}

.folder-item.open .folder-content {
    max-height: 1000px;
}

.file-link {
    display: block;
    padding: 6px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    border-radius: 4px;
    transition: all 0.2s;
    z-index: 2;
    position: relative;
    pointer-events: auto;
}

.file-link:hover {
    background: var(--hover-bg);
    color: var(--accent-cyan);
    padding-left: 16px;
}

.file-link.active {
    background: var(--hover-bg);
    color: var(--accent-purple);
    font-weight: 500;
}

/* Main Content Area */
.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 40px 60px;
    max-width: 1200px;
}

.content-header {
    margin-bottom: 30px;
}

.content-header h1 {
    font-size: 32px;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.content-header .tagline {
    color: var(--text-muted);
    font-size: 16px;
}

/* Quick Links */
.quick-links {
    display: flex;
    gap: 15px;
    padding: 20px 0;
    margin: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.quick-link {
    padding: 10px 20px;
    background: var(--bg-secondary);
    color: var(--accent-cyan);
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    border: 1px solid var(--border-color);
}

.quick-link:hover {
    background: var(--hover-bg);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

/* Content Sections */
.content-section {
    margin-bottom: 40px;
}

.content-section h2 {
    font-size: 24px;
    color: var(--text-primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent-purple);
}

.content-section h3 {
    font-size: 18px;
    color: var(--accent-cyan);
    margin-top: 20px;
    margin-bottom: 10px;
}

.content-section p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.content-section ul,
.content-section ol {
    color: var(--text-secondary);
    margin-left: 20px;
    margin-bottom: 15px;
}

.content-section li {
    margin-bottom: 8px;
}

.content-section a {
    color: var(--accent-cyan);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.content-section a:hover {
    border-bottom-color: var(--accent-cyan);
}

/* Code blocks */
code {
    background: var(--bg-secondary);
    color: var(--accent-pink);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 13px;
    font-family: 'Courier New', monospace;
}

pre {
    background: var(--bg-secondary);
    padding: 15px;
    border-radius: 6px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

pre code {
    background: none;
    padding: 0;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 12px;
    font-size: 12px;
    margin-right: 8px;
    border: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 20px;
    }
}

/* Backlinks Section */
.backlinks {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.backlinks h3 {
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.backlinks-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    list-style: none;
    padding: 0;
}

.backlink-item {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 13px;
    color: var(--accent-cyan);
    text-decoration: none;
    transition: all 0.2s;
}

.backlink-item:hover {
    background: var(--hover-bg);
    border-color: var(--accent-cyan);
    transform: translateY(-2px);
}

/* ===== Navigation Schema Styling ===== */

.nav-section {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.nav-section.pinned-section {
    border-bottom: 2px solid var(--accent-purple);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0;
    font-weight: 500;
    color: var(--accent-cyan);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.section-header.collapsible {
    cursor: pointer;
    user-select: none;
    transition: opacity var(--duration) var(--ease);
}

.section-header.collapsible:hover {
    opacity: 0.8;
}

.collapse-icon {
    display: inline-block;
    width: 16px;
    transition: transform var(--duration) var(--ease);
    transform: rotate(0deg);
}

.section-content {
    max-height: 1000px;
    overflow: hidden;
    transition: max-height var(--duration) var(--ease), opacity var(--duration) var(--ease);
    opacity: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.section-content.collapsed {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

.file-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all var(--duration) var(--ease);
    cursor: pointer;
}

.file-link:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
    padding-left: 1rem;
}

.file-link.active {
    background: var(--hover-bg);
    color: var(--accent-cyan);
    border-left: 2px solid var(--accent-purple);
    font-weight: 500;
}

.file-link.featured-link {
    font-weight: 600;
    color: var(--accent-purple);
}

.file-link.featured-link:hover {
    background: rgba(168, 85, 247, 0.1);
    color: var(--accent-purple);
}

.file-link.external-link {
    color: var(--accent-cyan);
}

.file-link.external-link::after {
    content: '↗';
    margin-left: 0.25rem;
    font-size: 0.8em;
}

.item-icon {
    display: inline-block;
    width: 1.2em;
    text-align: center;
    flex-shrink: 0;
}

.item-title {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-title.featured {
    font-weight: 600;
}

.nav-section.nav-section-start-here .file-link {
    font-weight: 500;
    color: var(--accent-cyan);
}

@media (max-width: 768px) {
    .section-header {
        font-size: 0.85rem;
    }

    .file-link {
        padding: 0.4rem 0.5rem;
        font-size: 0.85rem;
    }

    .file-link:hover {
        padding-left: 0.75rem;
    }
}

/* ============================================
   NESTED SUBSECTION NAVIGATION STYLES
   Added for Angels/Devils dropdown support
   ============================================ */

/* Container for nested subsections (Angels, Devils, etc.) */
.nav-subsection {
    margin-left: 0.5rem;
    border-left: 2px solid var(--border-color);
    padding-left: 0.5rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Subsection header styling (the "Angels" or "Devils" label) */
.subsection-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: 4px;
    transition: background 0.2s ease;
}

/* Hover effect for subsection headers */
.subsection-header:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

/* Subsection label text */
.subsection-label {
    flex: 1;
}

/* Container for items inside a subsection */
.subsection-content {
    padding-left: 0.5rem;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

/* Open state - subsection is expanded */
.subsection-content.open {
    max-height: 2000px;
    /* Large enough for any number of items */
    opacity: 1;
}

/* Collapsed state - subsection is hidden */
.subsection-content.collapsed {
    max-height: 0;
    opacity: 0;
}

/* Arrow icon rotation for collapse/expand */
.subsection-header .collapse-icon {
    transition: transform 0.3s ease;
    font-size: 0.8em;
    color: var(--accent-purple);
}

/* Rotate arrow when collapsed */
.subsection-content.collapsed+.subsection-header .collapse-icon,
.subsection-header.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

/* Ensure items inside subsections have proper spacing */
.subsection-content .file-link {
    margin-left: 0.25rem;
}

/* Add subtle visual separation for subsection items */
.nav-subsection .file-link {
    border-left: 1px solid transparent;
    padding-left: 0.5rem;
    transition: border-color 0.2s ease;
}

/* Highlight subsection item on hover */
.nav-subsection .file-link:hover {
    border-left-color: var(--accent-cyan);
}

/* Active state for items inside subsections */
.nav-subsection .file-link.active {
    border-left-color: var(--accent-purple);
    background: var(--hover-bg);
}
/* ============================================
   METADATA CARD STYLING
   Standardized formatting for file frontmatter
   ============================================ */

.metadata-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    font-size: 0.9rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    font-weight: 600;
}

.meta-value {
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.meta-summary {
    grid-column: 1 / -1;
    margin-top: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.6;
}

/* Ensure parsed markdown content doesn't have a giant gap at the top */
.content-section > *:first-child {
    margin-top: 0;
}