.app-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: stretch;
    height: calc(100vh - 250px);
    min-height: 500px;
}

@media (max-width: 800px) {
    .app-container {
        grid-template-columns: 1fr;
        height: auto;
    }
}

.editor-pane, .preview-pane {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pane-header {
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pane-header h2 {
    font-size: 16px;
    margin: 0;
    color: var(--text);
}

.print-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.print-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

textarea#markdown-input {
    flex: 1;
    width: 100%;
    border: none;
    background: transparent;
    color: var(--text);
    padding: 16px;
    font-family: var(--mono);
    font-size: 14px;
    line-height: 1.6;
    resize: none;
    outline: none;
}

#preview-content {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: #ffffff; /* White background for preview */
    color: #1a1a1a; /* Dark text for preview */
}

/* Markdown styling inside preview */
.markdown-body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    line-height: 1.6;
}

.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 { font-size: 2em; border-bottom: 1px solid #eaecef; padding-bottom: 0.3em; }
.markdown-body h2 { font-size: 1.5em; border-bottom: 1px solid #eaecef; padding-bottom: 0.3em; }
.markdown-body h3 { font-size: 1.25em; }

.markdown-body p, .markdown-body blockquote, .markdown-body ul, .markdown-body ol, .markdown-body dl, .markdown-body table, .markdown-body pre {
    margin-top: 0;
    margin-bottom: 16px;
}

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

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

.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: var(--mono);
}

.markdown-body pre code {
    background-color: transparent;
    padding: 0;
}

.markdown-body ul, .markdown-body ol {
    padding-left: 2em;
}

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

.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 img {
    max-width: 100%;
    box-sizing: content-box;
}

/* Printing styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: #ffffff !important;
        color: #000000 !important;
        min-height: auto;
    }
    
    .app-container {
        display: block;
        height: auto;
        min-height: auto;
    }
    
    .preview-pane {
        border: none !important;
        background: none !important;
        border-radius: 0;
        overflow: visible;
    }
    
    #preview-content {
        padding: 0;
        overflow: visible;
    }

    .wrap {
        max-width: none;
        padding: 0;
        margin: 0;
        gap: 0;
    }
    
    @page {
        margin: 1in;
    }
}