:root{--bg: #111827;--panel: #1f2937;--panel-2: #374151;--text: #f9fafb;--accent: #6366f1;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;overscroll-behavior:none;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-user-select:none;user-select:none;touch-action:none}#app,body>div{height:100%}