:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.App{display:flex;flex-direction:column;height:100vh;background-color:var(--background-color);color:var(--text-color)}.header{display:flex;justify-content:space-between;align-items:center;padding:10px 20px;background-color:var(--header-bg);border-bottom:1px solid var(--border-color)}.theme-toggle{background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-color)}.flexlayout__tab{border-radius:8px 8px 0 0;background-color:var(--tab-bg, #f8f9fa)}.flexlayout__tab--selected{background-color:var(--active-window-bg, #3b82f6)!important;color:#fff!important}.flexlayout__splitter{background:var(--border-color)}.layout-container{flex:1;overflow:hidden}:root{--background-color: #ffffff;--text-color: #333333;--header-bg: #f5f5f5;--border-color: #e0e0e0}[data-theme=dark]{--background-color: #1e1e1e;--text-color: #f0f0f0;--header-bg: #252526;--border-color: #444444;--active-window-bg: #3b82f6;--tab-bg: #2d2d30}