/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #f5f5f5;
    --bg-secondary: white;
    --bg-header: #2c3e50;
    --bg-pane-header: #ecf0f1;
    --bg-input: #fafafa;
    --bg-code: #f4f4f4;
    --text-primary: #333;
    --text-secondary: #666;
    --text-header: white;
    --border-color: #ddd;
    --border-header: #eee;
    --link-color: #3498db;
}

[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #1f2020;
    --bg-header: #1f2937;
    --bg-pane-header: #374151;
    --bg-input: #2a2a2a;
    --bg-code: #3a3a3a;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-header: #e0e0e0;
    --border-color: #404040;
    --border-header: #505050;
    --link-color: #5dade2;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container */
.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Header */
.header {
    background-color: var(--bg-header);
    color: var(--text-header);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.header-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-info span {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Buttons */
.print-btn, .clear-btn, .theme-toggle {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.theme-toggle {
    background-color: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 0.4rem 0.8rem;
    margin-right: 1rem;
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.theme-icon {
    display: inline-block;
    transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-icon {
    transform: rotate(30deg);
}

.print-btn:hover, .clear-btn:hover {
    background-color: #2980b9;
}

.clear-btn {
    background-color: #e74c3c;
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
}

.clear-btn:hover {
    background-color: #c0392b;
}

/* Demo button */
.demo-btn {
    background-color: #27ae60;
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s, opacity 0.2s;
    margin: 0 1rem 1rem 1rem;
    display: block;
    width: calc(100% - 2rem);
}

.demo-btn:hover {
    background-color: #229954;
}

.demo-btn.hidden {
    display: none;
}

/* Editor container */
.editor-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Panes */
.editor-pane, .preview-pane {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.editor-pane {
    flex: 0 0 30%;
    border-right: none;
}

.preview-pane {
    flex: 0 0 70%;
}

.pane-header {
    background-color: var(--bg-pane-header);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 50px;
    flex-shrink: 0;
}

.pane-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Markdown input */
#markdownInput {
    flex: 1;
    padding: 1rem;
    border: none;
    outline: none;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    resize: none;
    background-color: var(--bg-input);
    color: var(--text-primary);
}

/* Preview */
.preview-content {
    flex: 1;
    padding: 1rem 2rem;
    overflow-y: auto;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* Markdown preview styles */
.preview-content h1 {
    font-size: 2em;
    margin: 0.67em 0;
    font-weight: 600;
    border-bottom: 2px solid var(--border-header);
    padding-bottom: 0.3em;
}

.preview-content h2 {
    font-size: 1.5em;
    margin: 0.75em 0;
    font-weight: 600;
    border-bottom: 1px solid var(--border-header);
    padding-bottom: 0.3em;
}

.preview-content h3 {
    font-size: 1.25em;
    margin: 1em 0;
    font-weight: 600;
}

.preview-content h4 {
    font-size: 1em;
    margin: 1.33em 0;
    font-weight: 600;
}

.preview-content p {
    margin: 1em 0;
    line-height: 1.6;
}

.preview-content ul, .preview-content ol {
    margin: 1em 0;
    padding-left: 2em;
}

.preview-content li {
    margin: 0.5em 0;
}

.preview-content code {
    background-color: var(--bg-code);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
}

.preview-content pre {
    background-color: var(--bg-code);
    padding: 1em;
    border-radius: 4px;
    overflow-x: auto;
    margin: 1em 0;
}

.preview-content pre code {
    background-color: transparent;
    padding: 0;
}

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

.preview-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
}

.preview-content th, .preview-content td {
    border: 1px solid var(--border-color);
    padding: 0.5em;
    text-align: left;
}

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

.preview-content img {
    max-width: 100%;
    height: auto;
}

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

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

/* Mermaid diagrams */
.mermaid {
    text-align: center;
    margin: 1em 0;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Print styles */
@media print {
    /* Force light mode colors for printing */
    :root, [data-theme="dark"] {
        --bg-primary: #f5f5f5 !important;
        --bg-secondary: white !important;
        --bg-header: #2c3e50 !important;
        --bg-pane-header: #ecf0f1 !important;
        --bg-input: #fafafa !important;
        --bg-code: #f4f4f4 !important;
        --text-primary: #333 !important;
        --text-secondary: #666 !important;
        --text-header: white !important;
        --border-color: #ddd !important;
        --border-header: #eee !important;
        --link-color: #3498db !important;
    }
    
    body {
        background-color: white !important;
        color: #333 !important;
    }
    
    .header,
    .editor-pane,
    .pane-header,
    .print-btn,
    .clear-btn,
    .theme-toggle {
        display: none !important;
    }
    
    .container {
        height: auto;
    }
    
    .editor-container {
        display: block;
    }
    
    .preview-pane {
        border: none;
        width: 100%;
        background-color: white !important;
    }
    
    .preview-content {
        padding: 0;
        overflow: visible;
        background-color: white !important;
        color: #333 !important;
    }
    
    .preview-content h1,
    .preview-content h2 {
        break-after: avoid;
        color: #333 !important;
    }
    
    .preview-content pre,
    .preview-content blockquote,
    .preview-content table {
        break-inside: avoid;
    }
    
    .preview-content code,
    .preview-content pre {
        background-color: #f4f4f4 !important;
        color: #333 !important;
    }
    
    .preview-content blockquote {
        color: #666 !important;
        border-left-color: #ddd !important;
    }
    
    .preview-content a {
        color: #3498db !important;
    }
    
    .mermaid svg {
        max-width: 100%;
        height: auto;
    }
    
}

/* Responsive design */
@media (max-width: 768px) {
    .editor-container {
        flex-direction: column;
    }
    
    .editor-pane {
        border-right: 1px solid #ddd;
        border-bottom: none;
    }
    
    .header h1 {
        font-size: 1.2rem;
    }
    
    .header-info span {
        display: none;
    }
}


#sb-nav #sb-logo-mark {
    transition: .3s;
    height: 50px;
}

#sb-nav #sb-logo-mark .sb-logo-path-s {
    fill: #fff;
    transition: .3s
}

#sb-nav #sb-logo-mark .sb-logo-path {
    fill: #ef463b;
    transition: .3s
}

#sb-nav #sb-logo-mark .sb-logo-path-fill {
    fill: #ef463b;
    transition: .3s
}

#sb-nav #sb-logo-mark:hover {
    text-decoration: none
}

#sb-nav #sb-logo-mark:hover .sb-logo-path-s {
    fill: #ef463b
}

#sb-nav #sb-logo-mark:hover .sb-logo-path {
    fill: #ef463b
}

#sb-nav #sb-logo-mark:hover .sb-logo-path-fill {
    fill: #fff
}