.result-value-lg {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .tip-preset-btn {
            background-color: rgba(70, 130, 180, 0.1);
            border: 1px solid rgba(70, 130, 180, 0.3);
            border-radius: 40px;
            padding: 0.4rem 1rem;
            font-weight: 500;
            transition: all 0.2s;
        }
        .tip-preset-btn:hover, .tip-preset-btn.active {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .insight-card {
            background: #f8f9fe;
            border-radius: 16px;
            padding: 1.2rem;
            margin: 1rem 0;
            border-left: 5px solid #2c7da0;
        }
        .country-table th {
            background-color: #e9ecef;
        }
        .calc-panel {
            background: white;
            border-radius: 24px;
            padding: 1.5rem;
            box-shadow: 0 8px 20px rgba(0,0,0,0.02);
            border: 1px solid rgba(0,0,0,0.05);
        }
        .slider-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.3rem;
        }
        input[type="range"] {
            width: 100%;
        }
        .rounding-option {
            cursor: pointer;
        }
        .toast-gratuity {
            background-color: #28a745;
            color: white;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }
        .toast-gratuity .toast-header {
            background-color: #218838;
            color: white;
            border-bottom: none;
        }
        .toast-gratuity .btn-close {
            filter: brightness(0) invert(1);
        }