.content {
      --max-width-em: 40;
      max-width: calc(var(--max-width-em) * 1em);
      margin-left: auto;
      margin-right: auto;
    }

    .conjecture {
      text-align: center;
    }

    .figure-container {
      position: relative;
      width: 100%;
      max-width: 75vh;
      margin: 20px auto 20px auto;
      aspect-ratio: 1 / 1;
      background-color: #f6f8fa;
      border-radius: 8px;
      border: 1px solid rgba(0, 0, 0, 0.12);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
      overflow: hidden;
    }

    .figure-container:fullscreen,
    .figure-container.is-fullscreen {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      width: 100vw;
      width: 100dvw;
      height: 100vh;
      height: 100dvh;
      max-width: none;
      aspect-ratio: auto;
      border-radius: 0;
      border: none;
      background-color: #f6f8fa;
      z-index: 99999;
      overflow: visible
    }

    .fullscreen-backdrop {
      display: none;
      pointer-events: none;
    }

    .figure-container:fullscreen .fullscreen-backdrop,
    .figure-container.is-fullscreen .fullscreen-backdrop {
      display: block;
      position: absolute;
      top: -200px;
      bottom: -200px;
      left: -200px;
      right: -200px;
      top: calc(-200px - env(safe-area-inset-top, 0px));
      bottom: calc(-200px - env(safe-area-inset-bottom, 0px));
      left: calc(-200px - env(safe-area-inset-left, 0px));
      right: calc(-200px - env(safe-area-inset-right, 0px));
      background-color: #f6f8fa;
      z-index: -1;
    }

    .figure-container:fullscreen::backdrop,
    .figure-container.is-fullscreen::backdrop {
      background-color: #f6f8fa;
    }

    .scroll-padding {
      height: 100vh;
      text-align: center;
      line-height: 5rem;
      color: #676767
    }
    .scroll-padding:before {
        content: '[extra screen height for scroll animation]';
    }

    /* Heuristic targeting for AR / Spatial fullscreen devices */
    @media (transparent-viewport: enabled),
    (display-mode: xr),
    (display-mode: immersive) {

      .figure-container:fullscreen,
      .figure-container.is-fullscreen,
      .figure-container:fullscreen::backdrop,
      .figure-container.is-fullscreen::backdrop {
        background-color: transparent;
      }
    }

    .figure-container canvas {
      display: block;
      width: 100%;
      height: 100%;
      touch-action: auto;
      cursor: grab;
    }

    .figure-container:fullscreen canvas,
    .figure-container.is-fullscreen canvas {
      touch-action: none;
    }

    .figure-container canvas:active {
      cursor: grabbing;
    }

    #error-msg {
      display: none;
      color: #ff5555;
      font-family: sans-serif;
      text-align: center;
      padding: 20px;
    }

    .button-container {
      position: absolute;
      bottom: max(24px, calc(16px + env(safe-area-inset-bottom, 0px)));
      left: max(20px, calc(16px + env(safe-area-inset-left, 0px)));
      right: max(20px, calc(16px + env(safe-area-inset-right, 0px)));
      display: flex;
      align-items: center;
      gap: 10px;
      z-index: 100000;
      pointer-events: none;
    }

    .button-container > * {
      pointer-events: auto;
    }

    #iterValue {
      color: #ffc285;
      font-family: sans-serif;
      font-size: 14px;
      min-width: 1.5em;
      text-align: right;
    }

    #iterSlider {
      flex: 1;
      accent-color: rgba(230, 150, 70, 0.8);
      cursor: pointer;
    }

    .button-container button {
      padding: 10px 16px;
      min-height: 44px;
      touch-action: manipulation;
      background: rgba(45, 30, 20, 0.85);
      color: #ffc285;
      border: 1px solid rgba(230, 150, 70, 0.4);
      border-radius: 8px;
      cursor: pointer;
      font-family: sans-serif;
      font-size: 14px;
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      transition: all 0.2s ease;
    }

    .button-container button:hover {
      background: rgba(70, 45, 30, 0.95);
      color: #ffe6cc;
      border-color: rgba(255, 170, 90, 0.7);
    }

    .button-container button.active {
      background: rgba(230, 150, 70, 0.8);
      color: #2d1e14;
    }

    @media (prefers-color-scheme: dark) {
      .figure-container {
        background-color: #0d1117;
        border-color: rgba(255, 255, 255, 0.15);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
      }

      .figure-container:fullscreen,
      .figure-container.is-fullscreen,
      .figure-container:fullscreen::backdrop,
      .figure-container.is-fullscreen::backdrop {
        background-color: #0d1117;
      }

      .figure-container:fullscreen .fullscreen-backdrop,
      .figure-container.is-fullscreen .fullscreen-backdrop {
        background-color: #0d1117;
      }

      .button-container button {
        background: rgba(45, 30, 20, 0.8);
        color: #ffc285;
        border: 1px solid rgba(230, 150, 70, 0.4);
      }

      .button-container button:hover {
        background: rgba(70, 45, 30, 0.95);
        color: #ffe6cc;
        border-color: rgba(255, 170, 90, 0.7);
      }

      .button-container button.active {
        background: rgba(230, 150, 70, 0.8);
        color: #2d1e14;
      }
    }