, 255, 255, 1)"); // Simulating high luminance
        gradient.addColorStop(0.7, "rgba(255, 255, 0, 0.8)");
        gradient.addColorStop(0.9, "rgba(255, 0, 0, 0.6)");
        gradient.addColorStop(1, "rgba(0, 0, 0, 0)");

        ctx.fillStyle = gradient;
        ctx.beginPath();
        ctx.arc(centerX, centerY, radius, 0, Math.PI * 2);
        ctx.fill();

        log(
          "HDR Mode: Extended dynamic range, -1.8e308 to 1.8e308 per channel",
        );
      }

      function showDoc(topic) {
     