.result-card {
            background: #f8fafc;
            border-radius: 20px;
            padding: 1.2rem;
            margin-bottom: 1.2rem;
            box-shadow: 0 2px 5px rgba(0,0,0,0.02);
            border: 1px solid #eef2f6;
        }
        .lbm-value {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1.2;
        }
        .metric-badge {
            font-size: 0.9rem;
            background: #e9ecef;
            border-radius: 30px;
            padding: 0.2rem 0.8rem;
            display: inline-block;
        }
        .canvas-ring-container {
            max-width: 220px;
            margin: 0 auto;
            text-align: center;
        }
        canvas#lbmCanvas {
            width: 100%;
            height: auto;
            background: transparent;
        }
        .form-switch-inline {
            display: flex;
            gap: 0.75rem;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 0.5rem;
        }
        .unit-toggle-group {
            background: #f1f5f9;
            border-radius: 40px;
            padding: 0.2rem;
        }
        .unit-toggle-group .btn {
            border-radius: 30px;
            padding: 0.2rem 0.9rem;
            font-size: 0.8rem;
        }
        .reference-note {
            font-size: 0.85rem;
            color: #475569;
            border-left: 3px solid var(--primary-color);
            padding-left: 0.8rem;
            margin: 1rem 0;
        }
        .key-finding {
            background: #eef2ff;
            border-radius: 16px;
            padding: 0.75rem 1rem;
            margin: 1rem 0;
        }
        .explanation-block p {
            text-align: justify;
        }
        .example-preset {
            cursor: pointer;
            transition: 0.2s;
        }
        .example-preset:hover {
            background-color: #e6f7ff;
            transform: translateY(-1px);
        }