/* === Content from calculators.css === */
        .card {
            background-color: var(--color-white);
            border-radius: 8px;
            border: 1px solid var(--secondary-color-color);
            box-shadow: 0 3px 10px var(--secondary-color);
            padding: 2rem;
            margin-bottom: 2rem;
            margin-top:0.5rem;
        }
        
        .grid-container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 768px) {
            .grid-container {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-span-2 {
                grid-column: span 2 / span 2;
            }
        }

        label {
            display: block;
            font-size: 0.875rem;
            font-weight: bold;
            color: var(--color-gray);
            margin-bottom: 0.25rem;
        }
        input[type="number"], input[type="date"], input[type="text"] {
            width: 100%;
            padding: 0.5rem 0.75rem;
            border: 1px solid #cbd5e0;
            border-radius: 0.375rem;
            box-shadow: inset 0 1px 2px 0 rgba(0,0,0,0.05);
            font-size: 1rem;
            font-family: Arial, Helvetica, sans-serif;
        }
        input:focus {
            outline: none;
            border-color: var(--main-color);
            box-shadow: 0 0 0 3px rgba(26, 72, 238, 0.4);
        }
        
        /* Results Section Styling */
        #results-container {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            text-align: center; /* Centered results */
        }
        .results-grid h3 {
            font-size: 1.125rem;
            font-weight: normal;
        }
        .results-grid .amount-primary, .amount-primary {
            font-size: 2.25rem;
            font-weight: bold;
            color: var(--main-color);
        }
         .error-message {
            text-align: center;
            color: var(--color-error-dark);
            font-weight: bold;
            min-height: 1.2em; /* Reserve space */
            margin-top: 1rem;
        }
        #math-explanation, #explanation-container {
            margin-top: 2rem;
            padding: 1.5rem;
            background-color: var(--secondary-background);
            border: 1px solid var(--border-color);
            border-radius: 0.5rem;
        }
        #explanation-container h3 {
            text-align: center;
            margin-top: 0;
        }
        
        /* Controls from fraction calculator */
        .controls {
            width: 100%;
            display: flex;
            flex-direction: column; /* Stack buttons by default for mobile */
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .controls button {
            border: none;
            padding: 0.75rem 1.5rem;
            font-size: 1rem;
            font-weight: bold;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.2s;
            width: 100%; /* Make buttons full-width on mobile */
        }
        @media (min-width: 640px) {
             .controls {
                flex-direction: row; /* Side-by-side on larger screens */
                justify-content: center;
             }
             .controls button {
                width: auto; /* Auto-width on larger screens */
             }
        }
        
        /* === Custom styles for this specific calculator === */
        #calculate-lcm {
            background-color: var(--main-color);
            color: var(--color-white);
        }
        #calculate-lcm:hover {
            background-color: var(--secondary-color);
        }
        #clear-btn {
            background-color: var(--color-error-dark);
            color: white;
        }
        #clear-btn:hover {
            background-color: #d32f2f; /* Darken from calculators.css */
        }

        .hidden {
          display: none;
        }

        /* === Styles for new Explanation === */
        #explanation-steps {
            line-height: 1.6;
        }
        #explanation-steps h4 {
            color: var(--main-color);
            margin-top: 1rem;
            margin-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 0.25rem;
        }
        #explanation-steps ul {
            list-style-type: disc;
            padding-left: 20px;
            margin: 0.5rem 0;
        }
        #explanation-steps .factor-list {
            font-family: monospace;
            font-size: 1.05rem;
            word-break: break-all;
            background-color: var(--color-white);
            padding: 0.5rem;
            border-radius: 4px;
        }
        /* New class for multiple lists */
        #explanation-steps .multiple-list {
            font-family: monospace;
            font-size: 1.05rem;
            word-break: break-all;
        }

        /* === New User-Friendly Styles === */
        .intro-text {
            color: var(--color-gray);
            font-size: 1rem;
            line-height: 1.6;
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .label-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.25rem;
        }
        
        #try-example {
            font-size: 0.8rem;
            font-weight: normal;
            color: var(--main-color);
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
            text-decoration: underline;
        }
        #try-example:hover {
            color: var(--secondary-color);
        }

        /* === New SEO Content Section Styles === */
        .content-section {
            background-color: var(--color-white);
            border-radius: 8px;
            padding: 2rem;
            margin-bottom: 2rem;
            margin-top: 2rem;
        }
        .content-section h2 {
            color: var(--main-color);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 0.5rem;
            margin-top: 0;
        }
        .content-section p {
            line-height: 1.6;
            font-size: 1rem;
            color: var(--color-gray);
        }
        .content-section ul {
            line-height: 1.6;
            color: var(--color-gray);
            padding-left: 20px;
        }
        /* New style for example equations */
        .example-equation {
            display: block; /* Puts it on its own line */
            margin-top: 0.25rem;
            font-family: monospace;
            font-size: 1.05rem;
            word-break: break-word; /* Will wrap if needed */
            background-color: var(--secondary-background);
            padding: 0.5rem;
            border-radius: 4px;
        }
        /* === NEW: Related Tools Grid === */
        .related-tools-grid {
            list-style: none; 
            padding-left: 0; 
            display: grid; 
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); 
            gap: 1rem;
        }

        .related-tool-link {
            font-weight: bold; 
            display: block; 
            padding: 0.5rem; 
            background: var(--secondary-background); 
            border-radius: 4px; 
            text-decoration: none;
            color: var(--main-color);
            transition: background-color 0.2s;
        }

        .related-tool-link:hover {
            background-color: var(--tertiary-background);
            text-decoration: underline;
        }
        @media (max-width: 640px) {
            .card,
            .content-section {
                padding: 1.5rem 1rem; /* Reduce padding on mobile */
            }
            h1 {
                font-size: 1.75rem; /* Slightly smaller H1 on mobile */
            }
            /* New styles for mobile button stacking */
            .label-container {
                flex-direction: column;
                align-items: flex-start; /* Align label to the left */
            }
            #try-example {
                order: -1; /* Move button to the top of the flex container */
                margin-bottom: 0.5rem; /* Add space between button and label */
            }
        }