:root{--bg: #f5efe6;--surface: #ffffff;--text: #2b2b2b;--text-muted: #6b6b6b;--wall: #2b2b2b;--corridor: #ffffff;--start: #5b9bd5;--finish: #6abf69;--trace: #5b9bd5;--success: #6abf69;--button: #2b2b2b;--button-text: #ffffff;--shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .06);color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;width:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overscroll-behavior:none}#root{display:flex;flex-direction:column}.no-gesture{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;overscroll-behavior:contain}button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}button:focus-visible{outline:3px solid var(--start);outline-offset:2px;border-radius:8px}