/* Preview content */
.preview-content {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    background-color: var(--bg-primary);
    transition: all 0.3s ease;
}

/* Markdown preview styles */
.preview-content h1,
.preview-content h2,
.preview-content h3,
.preview-content h4,
.preview-content h5,
.preview-content h6 {
    margin: 1.5rem 0 0.75rem 0;
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
}

.preview-content h1 {
    font-size: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.preview-content h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
}

.preview-content h3 {
    font-size: 1.25rem;
}

.preview-content h4 {
    font-size: 1.1rem;
}

.preview-content h5 {
    font-size: 1rem;
}

.preview-content h6 {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.preview-content p {
    margin: 0.75rem 0;
    line-height: 1.6;
}

.preview-content strong {
    font-weight: 600;
}

.preview-content em {
    font-style: italic;
}

.preview-content code {
    background-color: var(--bg-tertiary);
    padding: 0.125rem 0.25rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family-mono);
    font-size: 0.875em;
}

.preview-content pre {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    overflow-x: auto;
    margin: 1rem 0;
}

.preview-content pre code {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    font-size: 0.875rem;
}

.preview-content blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 1rem;
    margin: 1rem 0;
    color: var(--text-secondary);
    font-style: italic;
}

.preview-content ul,
.preview-content ol {
    margin: 0.75rem 0;
    padding-left: 2rem;
}

.preview-content li {
    margin: 0.25rem 0;
}

.preview-content a {
    color: var(--accent-color);
    text-decoration: none;
}

.preview-content a:hover {
    text-decoration: underline;
}

.preview-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin: 0.5rem 0;
    display: block;
}

/* Improve display for pasted images */
.preview-content img[src^="data:"] {
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    padding: 0.25rem;
}

.preview-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.preview-content th,
.preview-content td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.preview-content th {
    background-color: var(--bg-secondary);
    font-weight: 600;
}

.preview-content tr:hover {
    background-color: var(--bg-tertiary);
}

.preview-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 2rem 0;
}

/* Mermaid diagram styles */
.preview-content .mermaid-diagram {
    margin: 1.5rem 0;
    padding: 2rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    overflow-x: auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: box-shadow 0.3s ease;
}

.preview-content .mermaid-diagram:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.preview-content .mermaid-diagram svg {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.05));
}

.preview-content .mermaid-error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--border-radius);
    padding: 1rem;
    margin: 1rem 0;
    color: #dc2626;
}

[data-theme="dark"] .preview-content .mermaid-error {
    background-color: #451a1a;
    border-color: #7f1d1d;
    color: #f87171;
}

.preview-content .mermaid-error p {
    margin: 0 0 0.5rem 0;
    font-weight: 600;
}

.preview-content .mermaid-error pre {
    background-color: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
    font-size: 0.8rem;
    margin: 0.5rem 0;
}

[data-theme="dark"] .preview-content .mermaid-error pre {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.preview-content .mermaid-error details {
    margin-top: 0.5rem;
}

.preview-content .mermaid-error summary {
    cursor: pointer;
    font-weight: 500;
    color: #991b1b;
}

[data-theme="dark"] .preview-content .mermaid-error summary {
    color: #fca5a5;
}

.preview-content .mermaid-error summary:hover {
    text-decoration: underline;
}

/* Dark theme adaptations for Mermaid diagrams */
[data-theme="dark"] .preview-content .mermaid-diagram {
    background-color: var(--bg-tertiary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .preview-content .mermaid-diagram:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Gwyneth theme adaptations for Mermaid diagrams */
[data-theme="gwyneth"] .preview-content .mermaid-diagram {
    background: linear-gradient(135deg, 
        rgba(250, 245, 255, 0.6) 0%,
        rgba(243, 232, 255, 0.5) 100%
    );
    border-color: rgba(167, 139, 250, 0.3);
    box-shadow: 0 2px 8px rgba(167, 139, 250, 0.15);
}

[data-theme="gwyneth"] .preview-content .mermaid-diagram:hover {
    box-shadow: 0 4px 16px rgba(167, 139, 250, 0.25);
}

[data-theme="gwyneth"] .preview-content .mermaid-diagram svg {
    filter: drop-shadow(0 1px 3px rgba(167, 139, 250, 0.2));
}

/* Enhanced Mermaid font rendering */
.preview-content .mermaid-diagram text {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-weight: 500;
    letter-spacing: 0.01em;
}

/* Smooth transitions for interactive elements */
.preview-content .mermaid-diagram .node,
.preview-content .mermaid-diagram .actor,
.preview-content .mermaid-diagram .task {
    transition: opacity 0.2s ease;
}

.preview-content .mermaid-diagram .node:hover,
.preview-content .mermaid-diagram .actor:hover,
.preview-content .mermaid-diagram .task:hover {
    opacity: 0.85;
}

/* Math equation styles (KaTeX) */
.preview-content .katex {
    font-size: 1.1em;
}

/* Block math equations */
.preview-content .katex-display {
    margin: 1.5rem 0;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    overflow-x: auto;
    overflow-y: hidden;
}

[data-theme="dark"] .preview-content .katex-display {
    background-color: var(--bg-tertiary);
}

[data-theme="gwyneth"] .preview-content .katex-display {
    background: linear-gradient(135deg, 
        rgba(250, 245, 255, 0.4) 0%,
        rgba(243, 232, 255, 0.3) 100%
    );
    border: 1px solid rgba(167, 139, 250, 0.2);
}

/* Inline math equations */
.preview-content p .katex,
.preview-content li .katex,
.preview-content td .katex {
    padding: 0.1rem 0.2rem;
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
}

[data-theme="dark"] .preview-content p .katex,
[data-theme="dark"] .preview-content li .katex,
[data-theme="dark"] .preview-content td .katex {
    background-color: rgba(255, 255, 255, 0.05);
}

[data-theme="gwyneth"] .preview-content p .katex,
[data-theme="gwyneth"] .preview-content li .katex,
[data-theme="gwyneth"] .preview-content td .katex {
    background-color: rgba(250, 245, 255, 0.5);
}

/* Math equation color adjustments for dark theme */
[data-theme="dark"] .preview-content .katex {
    color: var(--text-primary);
}

[data-theme="dark"] .preview-content .katex .mord,
[data-theme="dark"] .preview-content .katex .mbin,
[data-theme="dark"] .preview-content .katex .mrel,
[data-theme="dark"] .preview-content .katex .mop,
[data-theme="dark"] .preview-content .katex .mpunct {
    color: var(--text-primary);
}

/* Math equation color adjustments for gwyneth theme */
[data-theme="gwyneth"] .preview-content .katex {
    color: var(--text-primary);
}

/* Ensure math equations are scrollable on small screens */
@media (max-width: 768px) {
    .preview-content .katex-display {
        padding: 0.75rem;
        font-size: 0.95em;
    }
}