/* Copyright (c) 2024 HJJB, LLC */
:root { --primary: #3498db; }
* { box-sizing: border-box; }
body { font-family: system-ui, sans-serif; max-width: 1200px; margin: 0 auto; padding: 20px; background: #ecf0f1; }
.container { background: white; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
header { text-align: center; margin-bottom: 30px; border-bottom: 2px solid #bdc3c7; padding-bottom: 20px; }
header h1 { color: var(--primary); margin: 0; }
.editor-container { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.editor-section, .preview-section { display: flex; flex-direction: column; }
h3 { margin-top: 0; }
textarea { flex: 1; min-height: 400px; padding: 15px; border: 2px solid #bdc3c7; border-radius: 4px; font-family: monospace; resize: vertical; }
#preview { flex: 1; min-height: 400px; padding: 15px; background: #f8f9fa; border: 2px solid #bdc3c7; border-radius: 4px; overflow-y: auto; }
#preview h1, #preview h2, #preview h3 { color: var(--primary); }
#preview code { background: #e8f5e9; padding: 2px 6px; border-radius: 3px; }
#preview pre { background: #2c3e50; color: #ecf0f1; padding: 15px; border-radius: 4px; overflow-x: auto; }
.btn-secondary { padding: 10px 20px; background: #95a5a6; color: white; border: none; border-radius: 4px; cursor: pointer; }
@media (max-width: 768px) { .editor-container { grid-template-columns: 1fr; } }