.input-group-custom {
            margin-bottom: 1rem;
        }
        .deep-dive {
            margin: 1.8rem 0;
        }
        .deep-dive p {
            text-align: justify;
        }
        .unit-note {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .array-diagram {
            background: #f0f0f0;
            padding: 1rem;
            border-radius: 6px;
            margin: 1.5rem 0;
            font-family: monospace;
            text-align: center;
        }
        .grating-lobe-warning {
            background-color: #fff3cd;
            border: 1px solid #ffc107;
            color: #856404;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            margin: 1rem 0;
        }
        .note-beamwidth {
            font-size: 0.9rem;
            font-style: italic;
            margin-top: 0.5rem;
            color: #6c757d;
        }