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#222}.property-list{flex-direction:column;gap:12px}}@media (max-width: 500px){.example-header{flex-direction:column;align-items:flex-start;gap:12px}}.app{display:flex;min-height:100vh;background:#0a0a0a}.main-content{flex:1;margin-left:280px;padding:40px;max-width:100%;overflow-y:auto;transition:margin-left .3s ease}.main-content.sidebar-collapsed{margin-left:60px}.chapter-container{animation:fadeIn .3s ease-in}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.app{flex-direction:column}.main-content{margin-left:0;padding:20px}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:#0a0a0a;color:#fff;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:JetBrains Mono,Courier New,monospace}button{cursor:pointer;font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#1a1a1a}::-webkit-scrollbar-thumb{background:#333;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#444}