.macro-result-card {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            border-radius: 16px;
            padding: 1.2rem;
            margin: 0.5rem 0;
            text-align: center;
            transition: transform 0.2s;
        }
        .macro-result-card:hover {
            transform: translateY(-3px);
        }
        .macro-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-color, #2c3e66);
            line-height: 1.2;
        }
        .macro-unit {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .macro-label {
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.85rem;
            color: #495057;
        }
        .calorie-circle {
            background-color: #2c3e66;
            color: white;
            border-radius: 50%;
            width: 120px;
            height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
            font-weight: bold;
            font-size: 1.8rem;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .calorie-label {
            font-size: 0.9rem;
            margin-top: 0.5rem;
            color: #2c3e66;
        }
        .activity-card {
            border: 1px solid #dee2e6;
            border-radius: 12px;
            padding: 0.75rem 0.5rem;
            cursor: pointer;
            transition: all 0.2s;
            text-align: center;
            font-size: 0.85rem;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .activity-card.selected {
            background-color: #e7f1ff;
            border-color: #2c3e66;
            box-shadow: 0 2px 8px rgba(44,62,102,0.1);
        }
        .gender-option {
            cursor: pointer;
            padding: 8px 16px;
            border-radius: 40px;
            background: #f1f3f5;
            transition: 0.2s;
            text-align: center;
            font-weight: 500;
            flex: 1;
        }
        .gender-option.active {
            background: #2c3e66;
            color: white;
        }
        .pie-chart-container {
            max-width: 280px;
            margin: 0 auto;
        }
        .disclaimer-box {
            background-color: #fef9e6;
            border-left: 4px solid #f0ad4e;
            padding: 1rem;
            border-radius: 8px;
            font-size: 0.85rem;
        }
        .ref-link {
            font-size: 0.85rem;
        }
        .comparison-table {
            width: 100%;
            font-size: 0.85rem;
            margin: 1rem 0;
        }
        .comparison-table th, .comparison-table td {
            padding: 8px;
            border-bottom: 1px solid #dee2e6;
        }
        .input-group-custom {
            margin-bottom: 1rem;
        }
        @media (max-width: 768px) {
            .activity-card {
                font-size: 0.75rem;
                padding: 0.5rem 0.25rem;
            }
        }