:root {
            --wmc-primary: #6366f1;
            --wmc-primary-dark: #4f46e5;
            --wmc-primary-light: #e0e7ff;
            --wmc-dna-color: #0ea5e9;
            --wmc-rna-color: #8b5cf6;
            --wmc-protein-color: #f43f5e;
            --wmc-chemical-color: #10b981;
            
            --wmc-dark: #0f172a;
            --wmc-gray: #64748b;
            --wmc-gray-light: #f8fafc;
            --wmc-border-color: #e2e8f0;
            
            --wmc-border-radius: 16px;
            --wmc-box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
            --wmc-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.wmc-wrapper {
            color: #334155;
            display: flex;
            justify-content: center;
            align-items: flex-start;
            padding: 20px 0;
            box-sizing: border-box;
        }

        .wmc-wrapper * {
            box-sizing: border-box;
        }

        .wmc-container {
            background: #ffffff;
            border-radius: 24px;
            box-shadow: var(--wmc-box-shadow);
            width: 100%;
            max-width: 680px;
            overflow: hidden;
            margin: 0 auto;
            border: 1px solid rgba(226, 232, 240, 0.8);
            animation: wmc-appAppear 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }

        @keyframes wmc-appAppear {
            from { opacity: 0; transform: translateY(20px) scale(0.98); }
            to { opacity: 1; transform: translateY(0) scale(1); }
        }

        .wmc-app-content {
            padding: 40px 35px;
        }

        .wmc-form-group {
            margin-bottom: 1.8rem;
            position: relative;
        }

        .wmc-form-group label {
            display: block;
            margin-bottom: 0.6rem;
            font-weight: 600;
            color: var(--wmc-dark);
            font-size: 0.95rem;
            letter-spacing: -0.01em;
        }

        .wmc-form-control {
			height:auto;
            width: 100%;
            padding: 14px 18px;
            border: 2px solid var(--wmc-border-color);
            border-radius: 12px;
            font-size: 1rem;
            transition: var(--wmc-transition);
            background: var(--wmc-gray-light);
            color: var(--wmc-dark);
            font-family: inherit;
        }

        .wmc-form-control:focus {
            outline: none;
            border-color: var(--wmc-primary);
            background: #ffffff;
            box-shadow: 0 0 0 4px var(--wmc-primary-light);
            transform: translateY(-1px);
        }

        /* --- UNIFIED EDITOR CONTAINER --- */
        .wmc-editor-container {
            width: 100%;
            border: 2px solid var(--wmc-border-color);
            border-radius: 12px;
            background: var(--wmc-gray-light);
            transition: var(--wmc-transition);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .wmc-editor-container:focus-within {
            border-color: var(--wmc-primary);
            background: #ffffff;
            box-shadow: 0 0 0 4px var(--wmc-primary-light);
            transform: translateY(-1px);
        }

        .wmc-editor-textarea {
            width: 100%;
            border: none;
            background: transparent;
            padding: 14px 18px;
            font-size: 1.05rem;
            line-height: 1.6;
            font-family: 'Courier New', Courier, monospace;
            resize: vertical;
            min-height: 140px;
            outline: none;
            color: var(--wmc-dark);
            transition: background 0.3s ease;
        }

        .wmc-editor-container:focus-within .wmc-editor-textarea {
            background: #ffffff;
        }
        /* -------------------------------- */

        .wmc-options-group {
            background: #ffffff;
            border-radius: 14px;
            padding: 25px 15px;
            margin-bottom: 2rem;
            border: 1px solid var(--wmc-border-color);
            box-shadow: 0 4px 15px -3px rgba(0, 0, 0, 0.03);
            position: relative;
            overflow: hidden;
            animation: wmc-slideDownFade 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

        @keyframes wmc-slideDownFade {
            from { opacity: 0; transform: translateY(-15px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .wmc-options-group::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            transition: var(--wmc-transition);
        }

        .wmc-dna-options::before { background: var(--wmc-dna-color); }
        .wmc-rna-options::before { background: var(--wmc-rna-color); }
        .wmc-protein-options::before { background: var(--wmc-protein-color); }
        .wmc-chemical-options::before { background: var(--wmc-chemical-color); }

        .wmc-radio-group {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }

        .wmc-radio-option {
            background: transparent;
            padding: 0;
            border: none;
            position: relative;
        }

        .wmc-radio-option input[type="radio"] {
            position: absolute;
            opacity: 0;
            width: 0;
            height: 0;
        }

        .wmc-radio-option label {
            display: inline-block;
            padding: 10px 22px;
            border: 2px solid var(--wmc-border-color);
            border-radius: 10px;
            background: white;
            color: var(--wmc-gray);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--wmc-transition);
            margin: 0;
            user-select: none;
        }

        .wmc-radio-option input[type="radio"]:checked + label {
            border-color: var(--wmc-primary);
            background: var(--wmc-primary-light);
            color: var(--wmc-primary-dark);
            box-shadow: 0 4px 10px -2px rgba(99, 102, 241, 0.2);
            transform: translateY(-2px);
        }

        .wmc-radio-option label:hover {
            border-color: #cbd5e1;
            background: var(--wmc-gray-light);
        }
        
        .wmc-inline-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .wmc-inline-group .wmc-form-control { flex: 1; }

        .wmc-copy-input {
            width: 80px;
            padding: 14px;
            text-align: center;
            font-weight: 600;
        }

        .wmc-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--wmc-primary), var(--wmc-primary-dark));
            color: white;
            border: none;
            padding: 16px 28px;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--wmc-transition);
            width: 100%;
            text-align: center;
            letter-spacing: 0.3px;
            box-shadow: 0 8px 15px -3px rgba(99, 102, 241, 0.3);
            position: relative;
            overflow: hidden;
        }

        .wmc-btn::after {
            content: '';
            position: absolute;
            top: -50%; right: -50%; bottom: -50%; left: -50%;
            background: linear-gradient(to bottom, rgba(229, 231, 235, 0), rgba(255,255,255, 0.2) 50%, rgba(229, 231, 235, 0));
            transform: rotateZ(60deg) translate(-5em, 7.5em);
            opacity: 0;
            transition: var(--wmc-transition);
        }

        .wmc-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 20px -5px rgba(99, 102, 241, 0.4);
        }

        .wmc-btn:hover::after {
            animation: wmc-shine 1s forwards;
        }

        @keyframes wmc-shine {
            100% { transform: rotateZ(60deg) translate(1em, -9em); opacity: 1; }
        }

        .wmc-btn:active { transform: translateY(0); }

        .wmc-btn-secondary {
            background: var(--wmc-gray-light);
            color: var(--wmc-dark);
            box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.05);
            border: 2px solid var(--wmc-border-color);
        }

        .wmc-btn-secondary:hover {
            background: #e2e8f0;
            border-color: #cbd5e1;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        }

        .wmc-button-group {
            display: flex;
            gap: 15px;
            margin-top: 15px;
        }

        .wmc-button-group .wmc-btn { flex: 1; }
        
        .wmc-btn-reset {
            background: #ffffff;
            color: var(--wmc-gray);
            border: 2px solid var(--wmc-border-color);
            box-shadow: none;
        }

        button#wmc-reset-btn { flex: 0.35 !important; }

        .wmc-btn-reset:hover {
            color: var(--wmc-protein-color);
            border-color: #fecdd3;
            background: #fff1f2;
        }

        .wmc-result-container {
            margin-top: 2.5rem;
            padding: 20px;
            border-radius: 16px;
            background: linear-gradient(to bottom right, #ffffff, var(--wmc-primary-light));
            border: 2px solid #c7d2fe;
            box-shadow: 0 15px 30px -5px rgba(99, 102, 241, 0.15);
            text-align: center;
            display: none;
            position: relative;
            animation: wmc-popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        @keyframes wmc-popIn {
            0% { opacity: 0; transform: scale(0.9) translateY(20px); }
            100% { opacity: 1; transform: scale(1) translateY(0); }
        }

        .wmc-result-header {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--wmc-primary-dark);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .wmc-result-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--wmc-primary-dark);
            margin: 10px 0;
            font-family: 'Courier New', monospace;
            cursor: pointer;
            display: inline-block;
            padding: 10px 25px;
            border-radius: 12px;
            background: #ffffff;
            border: 2px dashed #a5b4fc;
            transition: var(--wmc-transition);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }
        
        .wmc-result-value:hover {
            background-color: var(--wmc-primary-dark);
            border-color: var(--wmc-primary-dark);
            color: #ffffff;
            transform: scale(1.05) translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.3);
        }

        .wmc-result-value i {
            font-size: 1.4rem;
            color: #a5b4fc;
            margin-left: 12px;
            vertical-align: middle;
            transition: color 0.2s;
        }
        
        .wmc-result-value:hover i { color: #ffffff; }

        .wmc-result-details {
            color: var(--wmc-gray);
            font-size: 1.05rem;
            margin-top: 15px;
            font-weight: 500;
        }

        /* --- ELEMENT TOOLBAR STYLES --- */
        .wmc-element-toolbar {
            border-bottom: 2px solid var(--wmc-border-color);
            background: #ffffff;
            transition: var(--wmc-transition);
        }
        
        .wmc-toolbar-header {
            background: var(--wmc-primary-light);
            padding: 3px 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            color: var(--wmc-primary-dark);
            user-select: none;
            transition: background 0.2s ease;
        }
        
        .wmc-toolbar-header:hover {
            background: #c7d2fe;
        }

        .wmc-close-toolbar {
            color: #64748b61;
            padding: 6px 8px;
            border-radius: 6px;
            transition: all 0.2s;
            font-size: 1.1rem;
        }

        .wmc-close-toolbar:hover {
            background: #fee2e2;
            color: #dc2626;
        }
        
        .wmc-toolbar-body {
            display: none;
            padding: 20px;
            max-height: 380px;
            overflow-y: auto;
        }

        /* Custom Scrollbar for Toolbar */
        .wmc-toolbar-body::-webkit-scrollbar { width: 8px; }
        .wmc-toolbar-body::-webkit-scrollbar-track { background: #f8fafc; border-radius: 4px; }
        .wmc-toolbar-body::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
        .wmc-toolbar-body::-webkit-scrollbar-thumb:hover { background: #94a3b8; }
        
        .wmc-toolbar-body.wmc-open {
            display: block;
            animation: wmc-slideDownFade 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        }
        
        .wmc-category-title {
            font-size: 0.75rem;
            font-weight: 800;
            color: var(--wmc-gray);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 12px;
            margin-top: 20px;
            border-bottom: 1px dashed #e2e8f0;
            padding-bottom: 5px;
        }
        
        .wmc-category-title:first-child {
            margin-top: 0;
        }
        
        .wmc-tiles-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        
        .wmc-element-tile {
            position: relative;
            width: 60px;
            height: 60px;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            user-select: none;
        }
        
        .wmc-element-tile:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 8px -2px rgba(0,0,0,0.1);
        }
        
        .wmc-element-tile:active {
            transform: translateY(0);
        }
        
        .wmc-tile-num {
            position: absolute;
            top: 4px;
            left: 6px;
            font-size: 0.6rem;
            font-weight: 700;
        }
        
        .wmc-tile-sym {
            font-size: 1rem;
            font-weight: 800;
            line-height: 1;
            margin-top: 6px;
        }
        
        .wmc-tile-name {
            font-size: 0.55rem;
            font-weight: 600;
            margin-top: 4px;
            opacity: 0.85;
            letter-spacing: -0.2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 90%;
            text-align: center;
        }
        
        /* Category Colors */
        .wmc-tile-organic { background: #eff6ff; border-color: #bfdbfe; color: #1d4ed8; }
        .wmc-tile-organic:hover { background: #dbeafe; border-color: #93c5fd; }
        
        .wmc-tile-halogen { background: #faf5ff; border-color: #e9d5ff; color: #7e22ce; }
        .wmc-tile-halogen:hover { background: #f3e8ff; border-color: #d8b4fe; }
        
        .wmc-tile-alkali { background: #fff7ed; border-color: #fed7aa; color: #c2410c; }
        .wmc-tile-alkali:hover { background: #ffedd5; border-color: #fdba74; }
        
        .wmc-tile-metal { background: #f0fdf4; border-color: #bbf7d0; color: #15803d; }
        .wmc-tile-metal:hover { background: #dcfce7; border-color: #86efac; }

        .wmc-tile-noble { background: #ecfeff; border-color: #bae6fd; color: #0369a1; }
        .wmc-tile-noble:hover { background: #e0f2fe; border-color: #7dd3fc; }

        .wmc-tile-metalloid { background: #fefce8; border-color: #fde047; color: #a16207; }
        .wmc-tile-metalloid:hover { background: #fef9c3; border-color: #facc15; }

        .wmc-tile-post-transition { background: #f8fafc; border-color: #cbd5e1; color: #334155; }
        .wmc-tile-post-transition:hover { background: #f1f5f9; border-color: #94a3b8; }

        .wmc-tile-lanthanide { background: #fdf2f8; border-color: #fbcfe8; color: #be185d; }
        .wmc-tile-lanthanide:hover { background: #fce7f3; border-color: #f9a8d4; }

        .wmc-tile-actinide { background: #f5f3ff; border-color: #ddd6fe; color: #6d28d9; }
        .wmc-tile-actinide:hover { background: #ede9fe; border-color: #c4b5fd; }

        /* --- NEW COMPOSITION STYLES --- */
        .wmc-composition-wrapper {
            margin-top: 30px;
            padding-top: 25px;
            border-top: 1px dashed #a5b4fc;
            text-align: left;
            display: none;
            animation: wmc-fadeIn 0.5s ease-out forwards;
        }

        @keyframes wmc-fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .wmc-comp-header {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--wmc-dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .wmc-comp-item {
            display: flex;
            flex-direction: column;
            margin-bottom: 18px;
            font-size: 0.95rem;
        }
        
        .wmc-comp-header-row {
            display: flex;
            justify-content: space-between;
            align-items: baseline;
            margin-bottom: 8px;
			gap: 8px;
        }

        .wmc-comp-info {
            display: flex;
			align-items: center;
            gap: 8px;
        }

        .wmc-comp-symbol {
            font-weight: 800;
            color: var(--wmc-dark);
            font-size: 1.15rem;
            min-width: 25px;
        }
        
        .wmc-comp-details {
            color: var(--wmc-gray);
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--wmc-gray-light);
            padding: 2px 8px;
            border-radius: 6px;
            border: 1px solid var(--wmc-border-color);
        }

        .wmc-comp-bar-container {
            width: 100%;
            height: 10px;
            background: #e2e8f0;
            border-radius: 9999px;
            overflow: hidden;
            box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
        }

        .wmc-comp-bar {
            height: 100%;
            border-radius: 9999px;
            width: 0%;
            transition: width 1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }

        .wmc-comp-value {
            font-weight: 700;
            font-family: 'Inter', monospace;
            font-size: 1rem;
        }
        /* ------------------------------- */

        .wmc-copy-toast {
            display: none;
            color: #047857;
            background: #d1fae5;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            margin: 15px auto 0;
            width: fit-content;
            border: 1px solid #10b981;
            animation: wmc-fadeInOut 2.5s ease-in-out forwards;
        }

        @keyframes wmc-fadeInOut {
            0% { opacity: 0; transform: translateY(-10px); }
            10% { opacity: 1; transform: translateY(0); }
            90% { opacity: 1; transform: translateY(0); }
            100% { opacity: 0; transform: translateY(-10px); }
        }

        .wmc-loader {
            display: none;
            text-align: center;
            margin: 30px 0;
            animation: wmc-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }

        @keyframes wmc-pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: .5; }
        }

        .wmc-loader-spinner {
            border: 4px solid var(--wmc-primary-light);
            border-radius: 50%;
            border-top: 4px solid var(--wmc-primary);
            width: 46px;
            height: 46px;
            animation: wmc-spin 1s linear infinite;
            margin: 0 auto 15px;
        }

        @keyframes wmc-spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .wmc-error-message {
            color: #b91c1c;
            background: #fef2f2;
            border: 1px solid #fecaca;
            padding: 16px 20px;
            border-radius: 12px;
            margin-top: 20px;
            display: none;
            font-weight: 500;
            animation: wmc-shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
        }

        @keyframes wmc-shake {
            10%, 90% { transform: translate3d(-1px, 0, 0); }
            20%, 80% { transform: translate3d(2px, 0, 0); }
            30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
            40%, 60% { transform: translate3d(4px, 0, 0); }
        }

        .wmc-molecule-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--wmc-dna-color);
            color: white;
            padding: 3px 12px;
            border-radius: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .wmc-dna-options .wmc-molecule-tag { background: var(--wmc-dna-color); }
        .wmc-rna-options .wmc-molecule-tag { background: var(--wmc-rna-color); }
        .wmc-protein-options .wmc-molecule-tag { background: var(--wmc-protein-color); }
        .wmc-chemical-options .wmc-molecule-tag { background: var(--wmc-chemical-color); }

        .wmc-wrapper optgroup {
            font-weight: 700;
            color: var(--wmc-primary-dark);
            background: #fff;
            font-style: normal;
        }
        
        .wmc-wrapper option {
            font-weight: 500;
            color: #334155;
            padding: 6px;
        }

        @media (max-width: 768px) {
            .wmc-app-content { padding: 30px 12px; }
            .wmc-inline-group { flex-direction: column; align-items: stretch; gap: 12px; }
            .wmc-radio-group { flex-direction: row; gap: 8px; }
            .wmc-radio-option label { padding: 10px 16px; font-size: 0.9rem; }
            .wmc-result-value { font-size: 2rem; }
            button#wmc-reset-btn { flex: 1 !important; }
            .wmc-button-group { flex-direction: column; }
            .wmc-mol-grid { grid-template-columns: 1fr !important; }
        }

        @media (max-width: 480px) {
            .wmc-form-control { padding: 12px 16px; }
        }
        
        .wmc-sequence-header-wrapper {
            display: flex; 
            justify-content: space-between; 
            align-items: baseline;
            margin-bottom: 0.6rem;
        }
        
        .wmc-char-counter {
            font-size: 0.85rem;
            color: var(--wmc-primary-dark);
            font-weight: 600;
            background: var(--wmc-primary-light);
            padding: 4px 10px;
            border-radius: 12px;
            transition: var(--wmc-transition);
        }

        .wmc-history-tag {
            font-size: 0.85rem;
            background: #ffffff;
            border: 1px solid var(--wmc-border-color);
            color: var(--wmc-gray);
            padding: 6px 12px;
            border-radius: 20px;
            cursor: pointer;
            transition: var(--wmc-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
            margin-bottom: 5px;
        }
        
        .wmc-history-tag:hover {
            background: var(--wmc-primary-light);
            border-color: var(--wmc-primary);
            color: var(--wmc-primary-dark);
            transform: translateY(-1px);
        }
        
        .wmc-history-tag i.fa-times {
            opacity: 0.4;
            transition: opacity 0.2s;
            padding: 2px;
        }
        
        .wmc-history-tag i.fa-times:hover {
            opacity: 1;
            color: var(--wmc-protein-color);
        }

        .wmc-molarity-container {
            margin-top: 1.5rem;
            border-radius: 16px;
            border: 1px solid var(--wmc-border-color);
            background: #ffffff;
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            overflow: hidden;
            display: none;
            animation: wmc-slideDownFade 0.4s ease forwards;
        }

        .wmc-molarity-header {
            background: var(--wmc-gray-light);
            padding: 16px 25px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
            transition: background 0.2s ease;
        }

        .wmc-molarity-header:hover {
            background: #f1f5f9;
        }

        .wmc-molarity-header h3 {
            margin: 0;
            font-size: 1.05rem;
            color: var(--wmc-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .wmc-molarity-header h3 i.fa-flask {
            color: var(--wmc-primary);
        }

        .wmc-chevron {
            color: var(--wmc-gray);
            transition: transform 0.3s ease;
        }

        .wmc-molarity-body {
            padding: 25px 15px;
            border-top: 1px solid var(--wmc-border-color);
            display: none;
        }

        .wmc-molarity-body.wmc-open {
            display: block;
        }

        .wmc-molarity-intro {
            font-size: 0.9rem;
            color: var(--wmc-gray);
            margin-top: 0;
            margin-bottom: 20px;
            line-height: 1.5;
        }

        .wmc-mol-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-bottom: 25px;
        }

        .wmc-input-group-combo {
            display: flex;
            align-items: stretch;
            border-radius: 8px;
            border: 2px solid var(--wmc-border-color);
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

        .wmc-input-group-combo:focus-within {
            border-color: var(--wmc-primary);
            box-shadow: 0 0 0 3px var(--wmc-primary-light);
        }

        .wmc-input-group-combo input {
            flex: 1;
            width: 100%;
            border: none;
            padding: 10px;
            font-size: 0.95rem;
            outline: none;
            color: var(--wmc-dark);
            font-weight: 500;
        }
        
        .wmc-input-group-combo input[readonly] {
            background: var(--wmc-gray-light);
            color: var(--wmc-gray);
        }

        .wmc-input-group-combo .wmc-unit-addon {
            background: var(--wmc-gray-light);
            border: none;
            border-left: 1px solid var(--wmc-border-color);
            padding: 0 10px;
            font-size: 0.9rem;
            color: var(--wmc-dark);
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .wmc-input-group-combo select.wmc-unit-addon {
			height: auto;
            cursor: pointer;
            outline: none;
            appearance: none;
            padding-right: 25px;
            background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%231e293b%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
            background-repeat: no-repeat;
            background-position: right 8px center;
            background-size: 8px auto;
        }
        
        .wmc-mol-result-box {
            background-color: #ecfdf5;
            border: 2px dashed #34d399;
            border-radius: 12px;
            padding: 20px;
            text-align: center;
        }

        .wmc-mol-result-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: #065f46;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .wmc-mol-result-mass {
            font-size: 2.2rem;
            font-weight: 800;
            color: #047857;
            font-family: 'Courier New', monospace;
            margin-bottom: 15px;
        }

        .wmc-mol-result-mass span {
            font-size: 1.4rem;
            font-weight: 600;
        }

        .wmc-mol-recipe-text {
            font-size: 0.95rem;
            color: #064e3b;
            line-height: 1.6;
            margin: 0;
            font-weight: 500;
        }

        .wmc-mol-recipe-text strong {
            color: #047857;
            font-weight: 700;
        }

        .wmc-advanced-tool-promo {
            margin-top: 20px;
            padding: 12px 15px;
            background-color: var(--wmc-primary-light);
            color: var(--wmc-primary-dark);
            border-radius: 10px;
            font-size: 0.9rem;
            text-align: center;
            font-weight: 500;
            border: 1px dashed #a5b4fc;
        }
        
        .wmc-advanced-tool-promo a {
            color: var(--wmc-primary);
            font-weight: 700;
            text-decoration: none;
            transition: var(--wmc-transition);
        }
        
        .wmc-advanced-tool-promo a:hover {
            text-decoration: underline;
            color: var(--wmc-primary-dark);
        }