/* markdown-viewer.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    display: flex;
    height: 100vh;
}

/* Left Panel - Table of Contents */
.toc-panel {
    width: 280px;
    background-color: #f8f9fa;
    border-right: 1px solid #e9ecef;
    overflow-y: auto;
    padding: 2rem 1rem;
    position: sticky;
    top: 0;
    height: 100vh;
}

.collection-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #dee2e6;
    color: #495057;
    text-decoration: none;
    display: block;
    transition: color 0.2s;
}

.collection-title:hover {
    color: #007bff;
}

.toc-nav {
    list-style: none;
}

.toc-nav ul {
    list-style: none;
    margin-left: 1rem;
}

.toc-nav li {
    margin: 0.5rem 0;
}

.toc-nav a {
    text-decoration: none;
    color: #495057;
    font-size: 0.9rem;
    display: block;
    padding: 0.25rem 0;
    transition: color 0.2s;
}

.toc-nav a:hover {
    color: #007bff;
}

.toc-nav .h1 a { font-weight: 600; font-size: 1rem; }
.toc-nav .h2 a { padding-left: 0.5rem; }
.toc-nav .h3 a { padding-left: 1rem; font-size: 0.85rem; }
.toc-nav .h4 a { padding-left: 1.5rem; font-size: 0.8rem; }

/* Right Panel - Content */
.content-panel {
    flex: 1;
    overflow-y: auto;
    padding: 2rem 3rem;
    background-color: white;
}

/* Markdown Content Styling */
.markdown-body {
    max-width: 900px;
    margin: 0 auto;
}

.markdown-body h1 {
    font-size: 2rem;
    border-bottom: 1px solid #e9ecef;
    padding-bottom: 0.5rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

.markdown-body h2 {
    font-size: 1.5rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.markdown-body h3 {
    font-size: 1.25rem;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
}

.markdown-body h4 {
    font-size: 1.1rem;
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
}

.markdown-body h5 {
    font-size: 1rem;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.markdown-body h6 {
    font-size: 0.9rem;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
    color: #6c757d;
}

.markdown-body p {
    margin-bottom: 1rem;
}

.markdown-body code {
    background-color: #f8f9fa;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.markdown-body pre {
    background-color: #f8f9fa;
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    margin: 1rem 0;
}

.markdown-body blockquote {
    border-left: 4px solid #dee2e6;
    padding-left: 1rem;
    margin: 1rem 0;
    color: #6c757d;
}

.markdown-body ul, 
.markdown-body ol {
    margin: 0.5rem 0 1rem 1.5rem;
}

.markdown-body li {
    margin: 0.25rem 0;
}

.markdown-body table {
    border-collapse: collapse;
    width: 100%;
    margin: 1rem 0;
}

.markdown-body th,
.markdown-body td {
    border: 1px solid #dee2e6;
    padding: 0.5rem;
    text-align: left;
}

.markdown-body th {
    background-color: #f8f9fa;
    font-weight: 600;
}

.markdown-body img {
    max-width: 100%;
    height: auto;
}

.error {
    color: #dc3545;
    padding: 2rem;
    text-align: center;
}

/* Active heading highlighting */
.toc-nav a.active {
    color: #007bff;
    font-weight: 600;
    border-left: 3px solid #007bff;
    padding-left: 0.5rem;
}

.loading {
    text-align: center;
    padding: 3rem;
    color: #6c757d;
}