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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    background-color: #f5f5f5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    text-align: center;
    padding: 20px;
    background-color: #fff;
    border-bottom: 1px solid #e0e0e0;
}

.header h1 {
    font-size: 2.5em;
    color: #2c3e50;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.1em;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #fff;
}

.editors-panel {
    display: flex;
    flex: 1;
    min-height: 500px;
}

.editor-container, .preview-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 1px solid #e0e0e0;
}

.preview-container {
    border-right: none;
}

.editor-header, .preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    background-color: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

.editor-controls, .preview-controls {
    display: flex;
    gap: 8px;
}

.btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn:hover {
    background-color: #e9ecef;
}

.btn svg {
    width: 20px;
    height: 20px;
    color: #6c757d;
}

.editor-wrapper {
    flex: 1;
    position: relative;
}

#editor {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.preview-wrapper {
    flex: 1;
    padding: 20px;
    overflow: auto;
    background-color: #fff;
}

.footer {
    text-align: center;
    padding: 20px;
    background-color: #fff;
    border-top: 1px solid #e0e0e0;
    color: #7f8c8d;
    font-size: 0.9em;
}

/* Monaco Editor overrides */
.monaco-editor .margin {
    background-color: #f8f9fa !important;
}

.monaco-editor .line-numbers {
    color: #6c757d !important;
}

/* Markdown Preview Styles */
.markdown-body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    word-wrap: break-word;
    padding: 20px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
}

.markdown-body h1 {
    padding-bottom: 0.3em;
    font-size: 2em;
    border-bottom: 1px solid #eaecef;
}

.markdown-body h2 {
    padding-bottom: 0.3em;
    font-size: 1.5em;
    border-bottom: 1px solid #eaecef;
}

.markdown-body h3 {
    font-size: 1.25em;
}

.markdown-body h4 {
    font-size: 1em;
}

.markdown-body h5 {
    font-size: 0.875em;
}

.markdown-body h6 {
    font-size: 0.85em;
    color: #6a737d;
}

.markdown-body p {
    margin-bottom: 16px;
}

.markdown-body a {
    color: #0366d6;
    text-decoration: none;
}

.markdown-body a:hover {
    text-decoration: underline;
}

.markdown-body code {
    padding: 0.2em 0.4em;
    margin: 0;
    font-size: 85%;
    background-color: rgba(27, 31, 35, 0.05);
    border-radius: 3px;
    font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
}

.markdown-body pre {
    padding: 16px;
    overflow: auto;
    font-size: 85%;
    line-height: 1.45;
    background-color: #f6f8fa;
    border-radius: 6px;
    margin-bottom: 16px;
}

.markdown-body pre code {
    padding: 0;
    margin: 0;
    font-size: 100%;
    word-break: normal;
    white-space: pre;
    background: transparent;
    border: 0;
}

.markdown-body blockquote {
    padding: 0 1em;
    color: #6a737d;
    border-left: 0.25em solid #dfe2e5;
    margin: 0 0 16px 0;
}

.markdown-body ul,
.markdown-body ol {
    padding-left: 2em;
    margin-bottom: 16px;
}

.markdown-body table {
    display: block;
    width: 100%;
    overflow: auto;
    margin-bottom: 16px;
    border-spacing: 0;
    border-collapse: collapse;
}

.markdown-body table th {
    font-weight: 600;
}

.markdown-body table th,
.markdown-body table td {
    padding: 6px 13px;
    border: 1px solid #dfe2e5;
}

.markdown-body table tr {
    background-color: #fff;
    border-top: 1px solid #c6cbd1;
}

.markdown-body table tr:nth-child(2n) {
    background-color: #f6f8fa;
}

.markdown-body hr {
    height: 0.25em;
    padding: 0;
    margin: 24px 0;
    background-color: #e1e4e8;
    border: 0;
}