.legend {
            display: flex;
            justify-content: center;
            gap: 1.8rem;
            font-size: 0.85rem;
            margin-top: 0.5rem;
        }
        .stress-canvas {
            background: #ffffff;
            border-radius: 12px;
            border: 1px solid #ddd;
            width: 100%;
            max-width: 320px;
            height: auto;
            background: #fefefe;
        }
        .canvas-container {
            text-align: center;
            margin: 1rem 0;
        }
        .input-group-custom {
            margin-bottom: 1rem;
        }
        .footer a {
            color: #ccc;
        }
        .breadcrumb-item a {
            text-decoration: none;
        }
        .validation-note {
            background: #e8f5e8;
            border-left: 4px solid #28a745;
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
        }
        .disclaimer-note {
            background: #fff3e0;
            border-left: 4px solid #ff9800;
            padding: 1rem;
            border-radius: 8px;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }.author-bio{display:block}