           color: var(--text-color);
            border: 2px solid var(--simpsons-blue);
        }

        .error {
            background-color: var(--panel-bg);
            color: var(--simpsons-red);
            border: 2px solid var(--simpsons-red);
        }

        /* Optimize editor performance */
        .CodeMirror {
            text-rendering: optimizeSpeed;
            -webkit-font-smoothing: none;
            contain: strict;
            will-change: transform;
        }

        .CodeMirror-s