/* Markdown Viewer Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

.container {
    display: grid;
    grid-template-areas:
        "header header"
        "sidebar content";
    grid-template-columns: 300px 1fr;
    grid-template-rows: auto 1fr;
    height: 100vh;
    max-width: 100%;
}

.header {
    grid-area: header;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px 40px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.header h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.header .subtitle {
    font-size: 18px;
    opacity: 0.9;
}

.header-nav {
    margin-top: 15px;
}

.nav-link {
    margin: 0 10px;
    color: #3498db;
    text-decoration: none;
}

.nav-link:hover {
    text-decoration: underline;
}

.sidebar {
    grid-area: sidebar;
    background: white;
    padding: 30px 20px;
    overflow-y: auto;
    border-right: 1px solid #e0e0e0;
}

.sidebar h3 {
    color: #667eea;
    font-size: 20px;
    margin-bottom: 20px;
}

.doc-list {
    list-style: none;
}

.doc-list li {
    margin-bottom: 10px;
}

.doc-list a {
    display: block;
    padding: 12px 15px;
    color: #333;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.doc-list a:hover {
    background: #f8f9fa;
    border-left-color: #667eea;
    padding-left: 18px;
}

.doc-list a.active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-left-color: #667eea;
    font-weight: 600;
}

.content {
    grid-area: content;
    background: white;
    padding: 40px;
    overflow-y: auto;
}

/* Markdown Body Styles */
.markdown-body {
    max-width: 900px;
}

.markdown-body h1 {
    color: #667eea;
    font-size: 36px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 3px solid #667eea;
}

.markdown-body h2 {
    color: #764ba2;
    font-size: 28px;
    margin-top: 40px;
    margin-bottom: 15px;
}

.markdown-body h3 {
    color: #667eea;
    font-size: 22px;
    margin-top: 30px;
    margin-bottom: 12px;
}

.markdown-body h4 {
    color: #555;
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 10px;
}

.markdown-body p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
}

.markdown-body ul,
.markdown-body ol {
    margin-left: 25px;
    margin-bottom: 15px;
}

.markdown-body li {
    color: #666;
    line-height: 1.8;
    margin-bottom: 8px;
}

.markdown-body code {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #e74c3c;
    font-size: 14px;
}

.markdown-body pre {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 20px;
    border-radius: 10px;
    overflow-x: auto;
    margin: 20px 0;
    line-height: 1.5;
}

.markdown-body pre code {
    background: none;
    color: inherit;
    padding: 0;
    font-size: 14px;
}

.markdown-body blockquote {
    border-left: 4px solid #667eea;
    padding: 15px 20px;
    background: #f8f9fa;
    margin: 20px 0;
    border-radius: 5px;
}

.markdown-body blockquote p {
    margin-bottom: 10px;
}

.markdown-body a {
    color: #667eea;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.markdown-body a:hover {
    border-bottom-color: #667eea;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.markdown-body table th {
    background: #667eea;
    color: white;
    padding: 12px;
    text-align: left;
    font-weight: 600;
}

.markdown-body table td {
    padding: 12px;
    border-bottom: 1px solid #e0e0e0;
}

.markdown-body table tr:hover {
    background: #f8f9fa;
}

.markdown-body hr {
    border: none;
    border-top: 2px solid #e0e0e0;
    margin: 40px 0;
}

.markdown-body img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 40px;
    color: #999;
}

.loading::before {
    content: '⏳ ';
    font-size: 24px;
}

/* Error State */
.error {
    background: #ffe6e6;
    border-left: 4px solid #e74c3c;
    padding: 20px;
    border-radius: 5px;
    margin: 20px 0;
}

.error h3 {
    color: #e74c3c;
    margin-bottom: 10px;
}

.error p {
    color: #c0392b;
}

/* Responsive */
@media (max-width: 1024px) {
    .container {
        grid-template-areas:
            "header"
            "sidebar"
            "content";
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr;
    }

    .sidebar {
        border-right: none;
        border-bottom: 1px solid #e0e0e0;
        max-height: 300px;
    }

    .content {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 20px;
    }

    .header h1 {
        font-size: 24px;
    }

    .header .subtitle {
        font-size: 16px;
    }

    .markdown-body h1 {
        font-size: 28px;
    }

    .markdown-body h2 {
        font-size: 22px;
    }

    .markdown-body h3 {
        font-size: 18px;
    }
}