app/src/content/embeds/reckless-guessing.html

<div class="d3-reckless-guessing"></div>
<style>
  .d3-reckless-guessing {
    width: 100%;
    margin: 10px 0;
    position: relative;
    font-family: system-ui, -apple-system, sans-serif;
  }

  .d3-reckless-guessing svg {
    display: block;
    width: 100%;
    height: auto;
  }

  .d3-reckless-guessing .axes path,
  .d3-reckless-guessing .axes line {
    stroke: var(--axis-color, var(--text-color));
  }

  .d3-reckless-guessing .axes text {
    fill: var(--tick-color, var(--muted-color));
    font-size: 12px;
  }

  .d3-reckless-guessing .grid line {
    stroke: var(--grid-color, rgba(0,0,0,.08));
  }

  .d3-reckless-guessing .axes text.axis-label {
    font-size: 14px;
    font-weight: 500;
    fill: var(--text-color);
  }

  .d3-reckless-guessing .axes text.chart-title {
    font-size: 16px;
    font-weight: 600;
    fill: var(--text-color);
  }

  .d3-reckless-guessing .axes text.subtitle {
    font-size: 11px;
    font-style: italic;
    fill: var(--muted-color);
  }

  .d3-reckless-guessing .model-label {
    font-size: 13px;
    font-weight: 500;
  }

  .d3-reckless-guessing .bar {
    cursor: pointer;
    transition: opacity 0.15s ease;
  }

  .d3-reckless-guessing .bar:hover {
    opacity: 0.8;
  }


  .d3-reckless-guessing .percent-label {
    font-size: 12px;
    font-weight: 500;
    fill: var(--text-color);
  }

  .d3-reckless-guessing .d3-tooltip {
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(-9999px, -9999px);
    pointer-events: none;
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 12px;
    line-height: 1.4;
    border: 1px solid var(--border-color);
    background: var(--surface-bg);
    color: var(--text-color);
    box-shadow: 0 4px 24px rgba(0,0,0,.18);
    opacity: 0;
    transition: opacity 0.12s ease;
    z-index: 10;
  }

  .d3-reckless-guessing .d3-tooltip .model-name {
    font-weight: 600;
    margin-bottom: 4px;
  }

  .d3-reckless-guessing .d3-tooltip .metric {
    display: flex;
    justify-content: space-between;
    gap: 16px;
  }

  .d3-reckless-guessing .d3-tooltip .metric-label {
    color: var(--muted-color);
  }

  .d3-reckless-guessing .d3-tooltip .metric-value {
    font-weight: 500;
  }
</style>
<script>
  (() => {
    const ensureD3 = (cb) => {
      if (window.d3 && typeof window.d3.select === 'function') return cb();
      let s = document.getElementById('d3-cdn-script');
      if (!s) {
        s = document.createElement('script');
        s.id = 'd3-cdn-script';
        s.src = 'https://cdn.jsdelivr.net/npm/d3@7/dist/d3.min.js';
        document.head.appendChild(s);
      }
      const onReady = () => { if (window.d3 && typeof window.d3.select === 'function') cb(); };
      s.addEventListener('load', onReady, { once: true });
      if (window.d3) onReady();
    };

    const bootstrap = () => {
      const scriptEl = document.currentScript;
      let container = scriptEl ? scriptEl.previousElementSibling : null;
      if (!(container && container.classList && container.classList.contains('d3-reckless-guessing'))) {
        const candidates = Array.from(document.querySelectorAll('.d3-reckless-guessing'))
          .filter((el) => !(el.dataset && el.dataset.mounted === 'true'));
        container = candidates[candidates.length - 1] || null;
      }
      if (!container) return;
      if (container.dataset) {
        if (container.dataset.mounted === 'true') return;
        container.dataset.mounted = 'true';
      }

      // Tooltip setup
      container.style.position = container.style.position || 'relative';
      const tip = document.createElement('div');
      tip.className = 'd3-tooltip';
      container.appendChild(tip);

      // SVG setup
      const svg = d3.select(container).append('svg');
      const gRoot = svg.append('g');

      // Chart groups
      const gGrid = gRoot.append('g').attr('class', 'grid');
      const gAxes = gRoot.append('g').attr('class', 'axes');
      const gBars = gRoot.append('g').attr('class', 'bars');
      const gLabels = gRoot.append('g').attr('class', 'labels');

      // State
      let data = null;
      let width = 800;
      let height = 450;
      const margin = { top: 40, right: 50, bottom: 56, left: 20 };

      // Scales
      const xScale = d3.scaleLinear();
      const yScale = d3.scaleBand();

      // Data loading
      const JSON_PATHS = [
        '/data/reckless_guessing.json',
        './assets/data/reckless_guessing.json',
        '../assets/data/reckless_guessing.json',
        '../../assets/data/reckless_guessing.json'
      ];

      const fetchFirstAvailable = async (paths) => {
        for (const p of paths) {
          try {
            const r = await fetch(p, { cache: 'no-cache' });
            if (r.ok) return await r.json();
          } catch (_) {}
        }
        throw new Error('Data not found');
      };

      function updateSize() {
        width = container.clientWidth || 800;
        const numModels = data ? data.models.length : 10;
        const barHeight = 36;
        height = margin.top + margin.bottom + numModels * barHeight;
        svg.attr('width', width).attr('height', height).attr('viewBox', `0 0 ${width} ${height}`);
        gRoot.attr('transform', `translate(${margin.left},${margin.top})`);
        return {
          innerWidth: width - margin.left - margin.right,
          innerHeight: height - margin.top - margin.bottom
        };
      }

      function showTooltip(event, d) {
        const rect = container.getBoundingClientRect();
        const x = event.clientX - rect.left;
        const y = event.clientY - rect.top;

        tip.innerHTML = `
          <div class="model-name" style="color: ${d.color}">${d.name}</div>
          <div class="metric">
            <span class="metric-label">Double-Down Rate:</span>
            <span class="metric-value">${(d.double_down_rate * 100).toFixed(0)}%</span>
          </div>
          <div class="metric">
            <span class="metric-label">Wrong Guesses:</span>
            <span class="metric-value">${d.wrong_guesses}</span>
          </div>
          <div class="metric">
            <span class="metric-label">Next Turn Guesses:</span>
            <span class="metric-value">${d.next_turn_guesses}</span>
          </div>
          <div class="metric">
            <span class="metric-label">Max Streak:</span>
            <span class="metric-value">${d.max_streak}</span>
          </div>
          <div class="metric">
            <span class="metric-label">Type:</span>
            <span class="metric-value">${d.is_open ? 'Open' : 'Closed'}</span>
          </div>
        `;

        const tipWidth = tip.offsetWidth || 180;
        const tipHeight = tip.offsetHeight || 120;
        let tipX = x + 12;
        let tipY = y - tipHeight / 2;

        if (tipX + tipWidth > width) tipX = x - tipWidth - 12;
        if (tipY < 0) tipY = 8;
        if (tipY + tipHeight > height) tipY = height - tipHeight - 8;

        tip.style.transform = `translate(${tipX}px, ${tipY}px)`;
        tip.style.opacity = '1';
      }

      function hideTooltip() {
        tip.style.opacity = '0';
        tip.style.transform = 'translate(-9999px, -9999px)';
      }

      // Calculate relative luminance and return black or white for best contrast
      function getContrastColor(hexColor) {
        const hex = hexColor.replace('#', '');
        const r = parseInt(hex.substr(0, 2), 16) / 255;
        const g = parseInt(hex.substr(2, 2), 16) / 255;
        const b = parseInt(hex.substr(4, 2), 16) / 255;
        const luminance = 0.299 * r + 0.587 * g + 0.114 * b;
        return luminance > 0.5 ? '#000000' : '#ffffff';
      }

      function render() {
        if (!data) return;

        const { innerWidth, innerHeight } = updateSize();

        // Sort models by double_down_rate descending
        const models = [...data.models].sort((a, b) => b.double_down_rate - a.double_down_rate);

        // Update scales
        xScale
          .domain([0, 0.8])
          .range([0, innerWidth]);

        yScale
          .domain(models.map(d => d.name))
          .range([0, innerHeight])
          .padding(0.25);

        // Grid lines (vertical)
        const xTicks = [0, 0.2, 0.4, 0.6, 0.8];
        gGrid.selectAll('.grid-x')
          .data(xTicks)
          .join('line')
          .attr('class', 'grid-x')
          .attr('x1', d => xScale(d))
          .attr('x2', d => xScale(d))
          .attr('y1', 0)
          .attr('y2', innerHeight);

        // Title
        gAxes.selectAll('.chart-title')
          .data([0])
          .join('text')
          .attr('class', 'chart-title')
          .attr('x', innerWidth / 2)
          .attr('y', -20)
          .attr('text-anchor', 'middle')
          .text('After Wrong Guess: % Guessing Again Next Turn');

        // X-axis (bottom)
        gAxes.selectAll('.x-axis')
          .data([0])
          .join('g')
          .attr('class', 'x-axis')
          .attr('transform', `translate(0,${innerHeight})`)
          .call(d3.axisBottom(xScale)
            .tickValues(xTicks)
            .tickFormat(d => `${Math.round(d * 100)}%`)
            .tickSizeOuter(0));

        // X-axis label
        gAxes.selectAll('.x-label')
          .data([0])
          .join('text')
          .attr('class', 'x-label axis-label')
          .attr('x', innerWidth / 2)
          .attr('y', innerHeight + 34)
          .attr('text-anchor', 'middle')
          .text('Double-Down Rate');

        // Subtitle
        gAxes.selectAll('.subtitle')
          .data([0])
          .join('text')
          .attr('class', 'subtitle')
          .attr('x', innerWidth / 2)
          .attr('y', innerHeight + 48)
          .attr('text-anchor', 'middle')
          .text('Higher = more reckless (keeps guessing after failures)');

        // Bars
        const barHeight = yScale.bandwidth();

        // All models with filled bars
        gBars.selectAll('.bar')
          .data(models, d => d.name)
          .join('rect')
          .attr('class', 'bar')
          .attr('x', 0)
          .attr('y', d => yScale(d.name))
          .attr('width', d => xScale(d.double_down_rate))
          .attr('height', barHeight)
          .attr('fill', d => d.color)
          .attr('rx', 3)
          .attr('ry', 3)
          .on('mouseenter', showTooltip)
          .on('mousemove', showTooltip)
          .on('mouseleave', hideTooltip);

        // Model labels (inside bars)
        gLabels.selectAll('.model-label')
          .data(models, d => d.name)
          .join('text')
          .attr('class', 'model-label')
          .attr('x', 8)
          .attr('y', d => yScale(d.name) + barHeight / 2)
          .attr('dy', '0.35em')
          .attr('text-anchor', 'start')
          .style('fill', d => getContrastColor(d.color))
          .text(d => d.name);

        // Percentage labels (end of bars)
        gLabels.selectAll('.percent-label')
          .data(models, d => d.name)
          .join('text')
          .attr('class', 'percent-label')
          .attr('x', d => xScale(d.double_down_rate) + 6)
          .attr('y', d => yScale(d.name) + barHeight / 2)
          .attr('dy', '0.35em')
          .attr('text-anchor', 'start')
          .text(d => `${Math.round(d.double_down_rate * 100)}%`);

      }

      // Initialize
      fetchFirstAvailable(JSON_PATHS)
        .then(json => {
          data = json;
          render();
        })
        .catch(err => {
          const pre = document.createElement('pre');
          pre.style.color = 'red';
          pre.style.padding = '16px';
          pre.textContent = `Error loading data: ${err.message}`;
          container.appendChild(pre);
        });

      // Resize handling
      if (window.ResizeObserver) {
        new ResizeObserver(() => render()).observe(container);
      } else {
        window.addEventListener('resize', render);
      }

      // Theme change handling
      const observer = new MutationObserver(() => render());
      observer.observe(document.documentElement, {
        attributes: true,
        attributeFilter: ['data-theme']
      });
    };

    if (document.readyState === 'loading') {
      document.addEventListener('DOMContentLoaded', () => ensureD3(bootstrap), { once: true });
    } else {
      ensureD3(bootstrap);
    }
  })();
</script>