/* Copyright (c) 2024 HJJB, LLC */
:root { --primary: #3498db; }
* { box-sizing: border-box; }
body { font-family: system-ui, sans-serif; max-width: 900px; 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; }
.strategies { display: flex; gap: 10px; margin-bottom: 30px; justify-content: center; }
.strategy-btn { padding: 12px 24px; background: var(--primary); color: white; border: none; border-radius: 4px; cursor: pointer; }
#diagram { padding: 30px; background: #f8f9fa; border-radius: 8px; margin-bottom: 20px; font-family: monospace; white-space: pre; overflow-x: auto; }
#description { padding: 20px; background: #e8f5e9; border-radius: 8px; }