:root {
            --bg-color: #0f111a;
            --card-bg: #161a26;
            --card-border: #232a3d;
            --text-primary: #f3f4f6;
            --text-secondary: #9ca3af;
            --primary: #4f46e5;
            --primary-light: #6366f1;
            --green: #10b981;
            --red: #ef4444;
            --gold: #f59e0b;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-primary);
            padding: 30px;
            line-height: 1.5;
        }
        
        .container {
            max-width: 1400px;
            margin: 0 auto;
        }
        
        header {
            margin-bottom: 30px;
            border-bottom: 1px solid var(--card-border);
            padding-bottom: 20px;
        }
        
        h1 {
            font-family: 'Outfit', sans-serif;
            font-size: 32px;
            font-weight: 800;
            background: linear-gradient(90deg, #3b82f6 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }
        
        .subtitle {
            color: var(--text-secondary);
            font-size: 16px;
        }
        
        /* App Mode Tabs */
        .tab-container {
            margin-top: 15px;
            display: flex;
            gap: 12px;
        }
        
        .tab-btn {
            background-color: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 8px;
            color: var(--text-secondary);
            padding: 10px 20px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        
        .tab-btn:hover {
            border-color: var(--primary-light);
            color: var(--text-primary);
        }
        
        .tab-btn.active {
            background-color: var(--primary);
            border-color: var(--primary-light);
            color: #ffffff;
            box-shadow: 0 0 10px rgba(79, 70, 229, 0.4);
        }
        
        /* Grid Layout */
        .layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 30px;
        }
        
        /* Sidebar */
        .sidebar {
            background-color: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 20px;
            height: fit-content;
        }
        
        .sidebar-title {
            font-family: 'Outfit', sans-serif;
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text-secondary);
            margin-bottom: 8px;
            font-weight: 600;
        }
        
        select {
            width: 100%;
            padding: 10px 12px;
            background-color: #0f111a;
            border: 1px solid var(--card-border);
            border-radius: 6px;
            color: var(--text-primary);
            font-size: 14px;
            outline: none;
            cursor: pointer;
        }
        
        select:focus {
            border-color: var(--primary-light);
        }
        
        .radio-group {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        
        .radio-option {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            font-size: 14px;
        }
        
        .radio-option input {
            cursor: pointer;
            accent-color: var(--primary-light);
        }
        
        /* Dashboard Content */
        .dashboard-content {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        
        /* Cards */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        
        .metric-card {
            background-color: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 10px;
            padding: 20px;
            border-left: 5px solid var(--primary);
            box-shadow: 0 4px 6px rgba(0,0,0,0.15);
        }
        
        .metric-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 5px;
            font-weight: 500;
        }
        
        .metric-value {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 5px;
        }
        
        .metric-subtext {
            font-size: 13px;
            color: var(--text-secondary);
        }
        
        /* Chart container */
        .chart-card {
            background-color: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 20px;
        }
        
        .card-header {
            margin-bottom: 15px;
        }
        
        .card-title {
            font-family: 'Outfit', sans-serif;
            font-size: 18px;
            font-weight: 600;
        }
        
        .card-desc {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 3px;
        }
        
        /* Tables */
        .table-card {
            background-color: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
        }
        
        th {
            color: var(--text-secondary);
            font-weight: 600;
            padding: 12px 16px;
            border-bottom: 2px solid var(--card-border);
        }
        
        td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--card-border);
        }
        
        tr:hover td {
            background-color: rgba(255,255,255,0.02);
        }
        
        .text-green {
            color: var(--green);
            font-weight: bold;
        }
        
        .text-red {
            color: var(--red);
            font-weight: bold;
        }
        
        .text-gray {
            color: var(--text-secondary);
        }
        
        .info-card {
            background-color: rgba(79, 70, 229, 0.1);
            border: 1px solid rgba(79, 70, 229, 0.2);
            border-radius: 8px;
            padding: 15px 20px;
            font-size: 13px;
            color: #d1d5db;
        }
        
        /* Flex rows for predictor entries */
        .pred-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        
        .box-header-inc {
            background-color: #1a2e26;
            border-left: 5px solid var(--green);
            padding: 12px 15px;
            border-radius: 6px;
            font-weight: bold;
            color: var(--green);
            margin-bottom: 15px;
        }
        
        .box-header-exc {
            background-color: #3b1d1d;
            border-left: 5px solid var(--red);
            padding: 12px 15px;
            border-radius: 6px;
            font-weight: bold;
            color: var(--red);
            margin-bottom: 15px;
        }

        /* ---------- Responsive (tablet / mobile) ---------- */
        @media (max-width: 820px) {
            body { padding: 14px; }
            h1 { font-size: 24px; }
            .subtitle { font-size: 14px; }
            /* Stack sidebar above content */
            .layout { grid-template-columns: 1fr; gap: 16px; }
            .sidebar { position: static; }
            /* Fewer columns for metric cards */
            .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
            /* Inclusions / exclusions stack vertically */
            .pred-split { grid-template-columns: 1fr; gap: 16px; }
            /* Let tab buttons wrap instead of overflowing */
            .tab-container { flex-wrap: wrap; gap: 8px; }
            .tab-btn { padding: 8px 14px; font-size: 13px; }
            /* Tables scroll horizontally instead of breaking layout */
            .table-card { overflow-x: auto; -webkit-overflow-scrolling: touch; }
            .table-card table { min-width: 520px; }
        }

        @media (max-width: 480px) {
            .metrics-grid { grid-template-columns: 1fr; }
        }