:root {
            --primary: #1f6feb;
            --bg: #c9d1d9;
            --panel: #c9d1d9;
            --text: #000000;
            --muted: #8b949e;
            --accent: #2ea043;
        }

        body {
            margin: 0;
            font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial;
            background: var(--bg);
            color: var(--text);
        }

        header {
            padding: 24px 16px;
            border-bottom: 1px solid #21262d;
            background: var(--panel);
            position: sticky;
            top: 0;
            z-index: 10;
        }

        h1 {
            margin: 0 0 8px 0;
            font-size: 22px;
        }

        .container {
            max-width: 900px;
            margin: 0 auto;
            padding: 24px 16px;
        }

        .card {
            background: var(--panel);
            border: 1px solid #21262d;
            border-radius: 12px;
            padding: 16px;
            margin-bottom: 16px;
        }

        .question {
            margin-bottom: 16px;
        }

        .question h3 {
            margin: 0 0 8px 0;
            font-size: 18px;
        }

        .options {
            display: grid;
            gap: 8px;
        }

        .opt {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            background: #c9d1d9;
            border: 1px solid #1f2328;
            padding: 10px;
            border-radius: 10px;
        }

        .opt input {
            margin-top: 3px;
        }

        .muted {
            color: var(--muted);
            font-size: 14px;
        }

        .actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 16px;
        }

        button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px 16px;
            border-radius: 10px;
            cursor: pointer;
            font-weight: 600;
        }

        button.secondary {
            background: #30363d;
            color: var(--text);
        }

        .result {
            margin-top: 20px;
        }

        .badge {
            display: inline-block;
            background: #c9d1d9;
            color: #000000;
            border: 1px solid #2f343a;
            padding: 4px 8px;
            border-radius: 999px;
            font-size: 12px;
            margin-right: 6px;
        }

        .grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
        }

        @media(min-width:800px) {
            .grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        ul {
            margin: 8px 0 0 18px;
        }

        a {
            color: #58a6ff;
            text-decoration: none;
        }