.result-card {
            background-color: #f8fafc;
            border-radius: 12px;
            padding: 1rem;
            margin-bottom: 1rem;
            border-left: 4px solid var(--primary-color);
        }
        .result-value-lg {
            font-size: 1.8rem;
            font-weight: 700;
            color: #2c3e66;
        }
        .canvas-container {
            background: #f9f9f9;
            border-radius: 12px;
            padding: 1rem;
            margin-top: 1rem;
            text-align: center;
        }
        #curtainCanvas {
            width: 100%;
            height: auto;
            background-color: #f5f2eb;
            border-radius: 12px;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
        }
        .legend {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin-top: 0.5rem;
            font-size: 0.8rem;
        }
        .legend-color {
            width: 16px;
            height: 16px;
            display: inline-block;
            border-radius: 2px;
        }
        .input-group-custom {
            margin-bottom: 1rem;
        }
        .toast-message {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            background: #2c3e66;
            color: white;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            z-index: 2000;
            opacity: 0;
            transition: opacity 0.2s;
            pointer-events: none;
        }
        .toast-message.show {
            opacity: 1;
        }