:root {
            --primary-color: #008080; 
            --primary-dark: #006666;
            --accent-bg: #f0f8f8;
            --text-main: #2c3e50;
            --bg-body: #f4f6f9;
        }       
        .ssviewer-app-title {
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.5px;
            font-size: 1.5rem;
        }
.h-100.d-flex.flex-column.align-items-center.justify-content-center.text-muted {
    padding: 25%;
}

        @media (min-width: 768px) {
            .ssviewer-app-title { font-size: 2rem; }
            .ssviewer-app-header { padding: 1.5rem 0; margin-bottom: 2rem; }
        }
        
        .ssviewer-app-subtitle {
            color: #6c757d;
            font-weight: 300;
        }

        /* Main Card Styling */
        .ssviewer-main-card {
            background: white;
            border: none;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            padding: 1rem;
            min-height: 500px;
        }
        @media (min-width: 768px) {
            .ssviewer-main-card { padding: 2rem; }
        }

        .ssviewer-section-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-color);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
        }
        @media (min-width: 768px) {
            .ssviewer-section-title { font-size: 1.1rem; margin-bottom: 1.5rem; }
        }
        
        .ssviewer-section-title::after {
            content: '';
            flex: 1;
            height: 1px;
            background: #e2e8f0;
            margin-left: 15px;
        }


        .ssviewer-upload-zone {
            border: 2px dashed #cbd5e0;
            border-radius: 10px;
            background: #fafbfc;
            text-align: center;
            padding: 2rem 1rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .ssviewer-upload-zone:hover {
            border-color: var(--primary-color);
            background: var(--accent-bg);
        }

        .ssviewer-upload-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        .ssviewer-custom-file-input {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            cursor: pointer;
        }

        /* Buttons Styling */
        .ssviewer-btn-primary-custom {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
            color: white;
            padding: 10px 20px;
            border-radius: 6px;
            font-weight: 500;
            box-shadow: 0 4px 6px rgba(0, 128, 128, 0.2);
            transition: transform 0.2s;
        }

        .ssviewer-btn-primary-custom:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            color: white;
        }

        .ssviewer-btn-secondary-custom {
            background: white;
            border: 2px solid #e2e8f0;
            color: #4a5568;
            padding: 10px 20px;
            border-radius: 6px;
            font-weight: 500;
        }
        
        .ssviewer-btn-secondary-custom:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }


        #traceView-Buttons {
            background: white;
            border: 1px solid #edf2f7;
            border-radius: 12px;
            padding: 10px;
            margin-bottom: 15px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
        }
        
        #traceView-Buttons .btn-group {
            margin-bottom: 5px;
        }

        /* Graph Area */
        #traceView-Traces {
            background: white;
            border: 1px solid #e2e8f0 !important;
            border-radius: 8px;
            min-height: 300px;
            position: relative;
            overflow-x: auto; 
            -webkit-overflow-scrolling: touch;
            display: block !important;
        }
        
        #traceView-Traces svg {
            min-width: 100%;
            height: auto;
            display: block;
        }

        /* Tooltip */
        .ssviewer-traceView-tooltip {
            background: rgba(30, 41, 59, 0.95) !important;
            color: white !important;
            border: none !important;
            border-radius: 6px !important;
            padding: 8px 12px !important;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1) !important;
            font-size: 0.85rem !important;
            z-index: 9999;
            pointer-events: none;
            white-space: nowrap;
        }

        /* DNA Sequence Box - FIXED */
        #traceView-traceSeqView {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            color: #334155;
            font-family: 'Roboto Mono', monospace;
            font-size: 0.9rem;
            letter-spacing: 1px;
            padding: 15px;
            border-radius: 8px;
            
            /* Override Bootstrap form-control height */
            height: auto !important; 
            min-height: 150px;
            max-height: 400px;
            overflow-y: auto;
            
            /* Text Wrapping */
            word-break: break-all;
            overflow-wrap: anywhere;
            white-space: pre-wrap;
            line-height: 1.8;
        }
        
        @media (min-width: 768px) {
            #traceView-traceSeqView { font-size: 1rem; letter-spacing: 2px; }
        }

        .ssviewer-spinner { animation: 2s linear infinite spin; }
        @keyframes spin { 0% { transform: rotate(0); } to { transform: rotate(360deg); } }
        
        .ssviewer-section-spacer { height: 30px; }
a {
    color: var(--base-color);
    text-decoration: none !important;
    transition: 0.15s !important;
}
.ssviewer-isolated {
            box-sizing: border-box;
        }
        .ssviewer-isolated *, 
        .ssviewer-isolated *::before, 
        .ssviewer-isolated *::after {
            box-sizing: border-box;
        }
        
        .ssviewer-isolated.container {
            width: 100%;
            padding-right: 15px;
            padding-left: 15px;
            margin-right: auto;
            margin-left: auto;
            max-width: 1140px;
        }
        .ssviewer-isolated .row { 
            display: flex; 
            flex-wrap: wrap; 
            margin-right: -15px; 
            margin-left: -15px; 
        }
        .ssviewer-isolated .justify-content-center { 
            justify-content: center !important; 
        }
        .ssviewer-isolated .justify-content-between { 
            justify-content: space-between !important; 
        }
        .ssviewer-isolated .col-md-8 { 
            position: relative; 
            width: 100%; 
            padding-right: 15px; 
            padding-left: 15px; 
        }
        @media (min-width: 768px) { 
            .ssviewer-isolated .col-md-8 { 
                flex: 0 0 66.666667%; 
                max-width: 66.666667%; 
            } 
        }

        .ssviewer-isolated .d-flex { 
            display: flex !important; 
        }
        .ssviewer-isolated .flex-column { 
            flex-direction: column !important; 
        }
        .ssviewer-isolated .align-items-center { 
            align-items: center !important; 
        }
        .ssviewer-isolated .align-items-start { 
            align-items: flex-start !important; 
        }
        .ssviewer-isolated .flex-wrap { 
            flex-wrap: wrap !important; 
        }
        @media (min-width: 576px) {
            .ssviewer-isolated .flex-sm-row { 
                flex-direction: row !important; 
            }
            .ssviewer-isolated .mb-sm-0 { 
                margin-bottom: 0 !important; 
            }
            .ssviewer-isolated .mr-sm-3 { 
                margin-right: 1rem !important; 
            }
            .ssviewer-isolated .align-items-sm-center { 
                align-items: center !important; 
            }
        }

        .ssviewer-isolated .text-center { 
            text-align: center !important; 
        }
        .ssviewer-isolated .text-break {
            word-break: break-all !important;
            word-wrap: break-word !important;
        }
        .ssviewer-isolated .gap-2 { 
            gap: 0.5rem !important; 
        }
        .ssviewer-isolated .d-none { 
            display: none !important; 
        }
        .ssviewer-isolated .h-100 { 
            height: 100% !important; 
        }
        .ssviewer-isolated .w-100 { 
            width: 100% !important; 
        }

        .ssviewer-isolated .mb-0 { margin-bottom: 0 !important; }
        .ssviewer-isolated .mb-3 { margin-bottom: 1rem !important; }
        .ssviewer-isolated .mb-4 { margin-bottom: 1.5rem !important; }
        .ssviewer-isolated .mt-4 { margin-top: 1.5rem !important; }
        .ssviewer-isolated .mr-2 { margin-right: 0.5rem !important; }
        .ssviewer-isolated .mr-3 { margin-right: 1rem !important; }
        .ssviewer-isolated .m-0 { margin: 0 !important; }

        .ssviewer-isolated .font-weight-bold { font-weight: 700 !important; }
        .ssviewer-isolated .text-primary { color: #007bff !important; }
        .ssviewer-isolated .text-muted { color: #6c757d !important; }
        .ssviewer-isolated .text-success { color: #28a745 !important; }
        .ssviewer-isolated .text-danger { color: #dc3545 !important; }
        .ssviewer-isolated .text-secondary { color: #6c757d !important; }
        .ssviewer-isolated .text-white { color: #fff !important; }
        .ssviewer-isolated .small { font-size: 80%; font-weight: 400; }
        .ssviewer-isolated .shadow-sm { box-shadow: 0 .125rem .25rem rgba(0,0,0,.075)!important; }

        .ssviewer-isolated .btn-group { 
            position: relative; 
            display: inline-flex; 
            vertical-align: middle; 
        }
        .ssviewer-isolated .btn-group > .btn { 
            position: relative; 
            flex: 1 1 auto; 
        }
        .ssviewer-isolated .btn-group > .btn:not(:first-child) { 
            border-top-left-radius: 0; 
            border-bottom-left-radius: 0; 
        }
        .ssviewer-isolated .btn-group > .btn:not(:last-child) { 
            border-top-right-radius: 0; 
            border-bottom-right-radius: 0; 
        }
        .ssviewer-isolated .btn { 
            display: inline-block; 
            font-weight: 400; 
            color: #212529; 
            text-align: center; 
            vertical-align: middle; 
            cursor: pointer; 
            user-select: none; 
            background-color: transparent; 
            border: 1px solid transparent; 
            padding: .375rem .75rem; 
            font-size: 1rem; 
            line-height: 1.5; 
            border-radius: .25rem; 
            transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out; 
        }
        .ssviewer-isolated .btn-light { 
            color: #212529; 
            background-color: #f8f9fa; 
            border-color: #dee2e6; 
        }
        .ssviewer-isolated .btn-light:hover { 
            background-color: #e2e6ea; 
            border-color: #dae0e5;
        }
        .ssviewer-isolated .btn-white { 
            color: #212529; 
            background-color: #fff; 
            border-color: #dee2e6; 
        }
        .ssviewer-isolated .btn-white:hover { 
            background-color: #f8f9fa; 
            border-color: #dae0e5;
        }
        .ssviewer-isolated .border { 
            border: 1px solid #dee2e6 !important; 
        }
        .ssviewer-isolated .btn-outline-success { 
            color: #28a745; 
            border-color: #28a745; 
        }
        .ssviewer-isolated .btn-outline-success:hover { 
            color: #fff; 
            background-color: #28a745; 
        }
        .ssviewer-isolated .btn-outline-primary { 
            color: #007bff; 
            border-color: #007bff; 
        }
        .ssviewer-isolated .btn-outline-primary:hover { 
            color: #fff; 
            background-color: #007bff; 
        }
        .ssviewer-isolated .btn-outline-dark { 
            color: #343a40; 
            border-color: #343a40; 
        }
        .ssviewer-isolated .btn-outline-dark:hover { 
            color: #fff; 
            background-color: #343a40; 
        }
        .ssviewer-isolated .btn-outline-danger { 
            color: #dc3545; 
            border-color: #dc3545; 
        }
        .ssviewer-isolated .btn-outline-danger:hover { 
            color: #fff; 
            background-color: #dc3545; 
        }
        .ssviewer-isolated .btn-secondary { 
            color: #fff; 
            background-color: #6c757d; 
            border-color: #6c757d; 
        }
        .ssviewer-isolated .btn-outline-secondary { 
            color: #6c757d; 
            border-color: #6c757d; 
        }
        .ssviewer-isolated .btn-outline-secondary:hover { 
            color: #fff; 
            background-color: #6c757d; 
        }
        .ssviewer-isolated .btn-group-sm > .btn { 
            padding: .25rem .5rem; 
            font-size: .875rem; 
            line-height: 1.5; 
            border-radius: .2rem; 
        }

        /* Alerts Style */
        .ssviewer-isolated .alert { 
            position: relative; 
            padding: .75rem 1.25rem; 
            border: 1px solid transparent; 
            border-radius: .25rem; 
        }
        .ssviewer-isolated .alert-danger { 
            color: #721c24; 
            background-color: #f8d7da; 
            border-color: #f5c6cb; 
        }
        .ssviewer-isolated .alert-info {
            color: #0c5460;
            background-color: #d1ecf1;
            border-color: #bee5eb;
        }
        .ssviewer-isolated .border-0 {
            border: 0 !important;
        }

        /* Form Control Replacement */
        .ssviewer-isolated .form-control { 
            display: block; 
            width: 100%; 
            padding: .375rem .75rem; 
            font-size: 1rem; 
            font-weight: 400; 
            line-height: 1.5; 
            color: #495057; 
            background-color: #fff; 
            background-clip: padding-box; 
            border: 1px solid #ced4da; 
            border-radius: .25rem; 
            transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out; 
        }
        .ssviewer-isolated .bg-light { 
            background-color: #f8f9fa !important; 
        }