.unit-select {
            min-width: 110px;
        }
        .calc-result-value {
            font-weight: 600;
            color: var(--primary-color);
            font-size: 1.8rem;
        }
        .graph-canvas {
            width: 100%;
            height: auto;
            background: #fefefe;
            border-radius: 12px;
            border: 1px solid #dee2e6;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
        }
        .legend-dot {
            width: 12px;
            height: 12px;
            border-radius: 2px;
            display: inline-block;
            margin-right: 6px;
        }
        .insight-badge {
            font-size: 0.8rem;
            background: #e9ecef;
            border-radius: 30px;
            padding: 0.2rem 0.8rem;
        }
        .unit-note-sm {
            font-size: 0.75rem;
            color: #6c757d;
        }
        .graph-container {
            background: #ffffff;
            border-radius: 20px;
            padding: 0.8rem;
        }