          border: 1px solid #e5e7eb;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        }
        .cornell-header {
            border-bottom: 1px solid #e5e7eb;
        }
        .cornell-body {
            display: flex;
        }
        .cornell-cue {
            border-right: 1px solid #e5e7eb;
            width: 30%;
        }
        .cornell-notes {
            width: 70%;
        }
        .cornell-summary {
            border-top: 1px solid #e5e7