:root {
      font-size: 10px;
      padding: 0;
      margin: 0;
      background-image: linear-gradient(to bottom, black -50%, #1a6cb4 35%, #1a6cb4 65%, black 150%);
      min-height: 100%;
    }

    body {
      font-size: 1.6rem;
      padding: 0;
      margin: 0;
      font-family: Verdana, sans-serif;
      font-weight: 400;
      color: #fff;
    }

    a {
      color: #fff;
    }

    .container {
      max-width: 80rem;
      padding: 0 0.8rem;
      margin: 0 auto;
    }

    .in-game .container {
      max-width: min(80rem, calc(16 / 9 * 100dvmin));
    }

    #canvas-wrapper {
      position: relative;
      width: 100%;
      height: auto;
      aspect-ratio: 16 / 9;
      max-width: calc(16 / 9 * 100dvmin);
      max-height: calc(100dvmin - 2rem);
      margin: 0 auto;
    }

    #overlay {
      position: absolute;
      top: 0;
      right: 0;
    }

    .fullscreen-button {
      display: none;
      width: 3.2rem;
      height: 3.2rem;
      padding: 0;
      background: none;
      border: none;
      justify-content: center;
      align-items: center;
    }

    .fullscreen-button::before {
      content: '';
      display: block;
      width: 1.6rem;
      height: 1.6rem;
      border: 0.2rem dashed #fff;
    }

    .fullscreen-button:hover {
      animation: pulse 0.2s ease-in-out;
      cursor: pointer;
    }

    .fullscreen-button:focus {
      outline: none;
    }

    .fullscreen-button span {
      display: none;
    }

    @keyframes pulse {
      from {
        transform: scale(1);
      }

      50% {
        transform: scale(1.2);
      }

      to {
        transform: scale(1);
      }
    }

    #canvas-wrapper:fullscreen .fullscreen-button {
      display: none;
    }

    #canvas-wrapper:fullscreen {
      aspect-ratio: auto;
      min-width: auto;
      min-height: auto;
    }

    #canvas-wrapper:fullscreen #canvas {
      position: static;
    }

    #canvas {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%; /* Fill parent. */
    }

    #status-line {
      background: #67686d;
      position: relative;
      padding: 1rem;
      margin-bottom: 2rem;
      border-radius: 1rem;
      overflow: hidden;
    }

    #progress {
      width: 0;
      height: 100%;
      position: absolute;
      left: 0;
      top: 0;
      background: #40ad47;
      z-index: 1;
    }

    #status {
      position:relative;
      z-index: 2;
      color: #fff;
    }

    .neverball-button {
      background: rgba(25, 25, 25, 0.5);
      outline: none;
      border: none;
      color: #fff;
      border-radius: 1rem;
      padding: 1rem;
      font-weight: bold;
      font-size: 1.4rem;
      text-shadow: 0.08em 0.08em rgba(0, 0, 0, 0.5);
      font-family: "DejaVu Sans", Verdana, sans-serif;
      display: inline-block;
    }

    .neverball-button:disabled {
      opacity: 0.3;
      cursor: not-allowed;
    }

    .neverball-button:not(:disabled):hover, .neverball-button:focus {
      cursor: pointer;
      background: rgba(255, 178, 76, 0.73);
      transition: background 0.1s ease-in-out;
      animation: pulse 0.2s;
      animation-timing-function: ease-in-out;
    }

    #run-button:disabled + .spinner {
      display: block;
    }

    .spinner {
      display: none;
      width: 0.8rem;
      height: 0.8rem;
      background-color: #fff;
      border-radius: 50%;
      animation: blink 1s infinite;
    }

    #screenshot {
      width: 100%;
      max-width: 32rem;
      height: auto;
    }

    @media (min-width: 640px) {
      #screenshot {
        float: right;
        margin: 0 0 1rem 1rem;
      }
    }

    .neverball-text {
      font-family: "DejaVu Sans", Verdana, sans-serif;
      font-weight: 700;
      filter: drop-shadow(0.07em 0.07em rgba(0, 0, 0, 0.5));
      background-image: linear-gradient(red, yellow);
      background-clip: text;
      -webkit-background-clip: text;
      color: rgba(255, 255, 255, 0);
    }

    .neverball-box {
      background-color: rgba(25, 25, 25, 0.5);
      padding: 1rem;
      border-radius: 1rem;
    }

    .flex {
      display: flex;
    }

    .flex-column {
      flex-direction: column;
    }

    .items-center {
      align-items: center;
    }

    .gap-1 {
      gap: 0.4rem;
    }

    .gap-2 {
      gap: 0.8rem;
    }

    .gap-2\.5 {
      gap: 1rem;
    }

    .gap-5 {
      gap: 2rem;
    }

    .p-0 {
      padding: 0;
    }

    .p-1 {
      padding: 0.4rem;
    }

    .py-2\.5 {
      padding-top: 1rem;
      padding-bottom: 1rem;
    }

    .py-5 {
      padding-top: 2rem;
      padding-bottom: 2rem;
    }

    .m-0 {
      margin: 0;
    }

    .list-none {
      list-style-type: none;
    }

    .hidden {
      display: none;
    }

    h1, h2 {
      margin-top: 0;
    }

    .in-game .in-game\:pt-0 {
      padding-top: 0;
    }

    .in-game .in-game\:block {
      display: block;
    }

    .in-game .in-game\:hidden {
      display: none;
    }

    .text-xs {
      font-size: 1.2rem;
    }

    .flex-wrap {
      flex-wrap: wrap;
    }

    @keyframes pulse {
      50% {
        transform: scale(1.2);
      }
    }

    @keyframes blink {
      to {
        opacity: 0;
      }
    }