:root {
  --help-color: rgb(127, 127, 127);
  --prompt-bg-color: rgb(56, 56, 56);
  --prompt-text-color: rgb(240, 180, 24);
  --prompt-title-color: rgb(255, 255, 255);
  --input-text-color: rgb(240, 180, 24);
  --input-bg-color: rgb(56, 56, 56);
  --refresh-title-color: rgb(240, 180, 24);
  --refresh-text-color: rgb(255, 255, 255);
  --refresh-bg-color: rgb(56, 56, 56);

  --glow-dark: color-mix(in srgb, var(--input-text-color), #330e00 70%);

  --font-menu: "Trebuchet MS", "Noto Sans", Roboto, sans-serif;
  --font-ui: Arial, Helvetica, Inter, sans-serif;
}
body {
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #222;
  font-family: var(--font-ui);
}
.game {
  width: 640px;
  height: 480px;
  max-width: 640px;
  max-height: 640px;
  overflow: hidden;
  position: relative;
}
.menu-wrapper {
  width: 100%;
  height: 100%;
  background-image: url("/assets/gfx/background.png");
  background-size: cover;
}
.controls {
  display: flex;
  justify-content: end;
  padding-top: 10px;
  padding-right: 10px;
  height: 70px;
  box-sizing: border-box;
}
.min {
  width: 19px;
  height: 19px;
  background-image: url("/assets/gfx/min_n.png");
}
.min:hover {
  background-image: url("/assets/gfx/min_f.png");
}
.min:active {
  background-image: url("/assets/gfx/min_d.png");
}
.cls {
  width: 19px;
  height: 19px;
  background-image: url("/assets/gfx/cls_n.png");
}
.cls:hover {
  background-image: url("/assets/gfx/cls_f.png");
}
.cls:active {
  background-image: url("/assets/gfx/cls_d.png");
}
.logo-wrapper {
  height: 100px;
  overflow: hidden;
}
.logo {
  width: 100%;
  height: 100%;
  transform: translateX(80px) translateY(10px);
  background-image: url("/assets/gfx/logo.svg");
  background-repeat: no-repeat;
  animation: move 4.6s steps(24) infinite, blink 4.6s steps(24) infinite;
}
.logo::before {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  transform: translateX(84px) translateY(60px) scale(2);
  filter: blur(4px) drop-shadow(0 0 4px #fff);
  background-image: url("/assets/gfx/logo.svg");
  background-repeat: no-repeat;
}
/* Logo animation */
@keyframes move {
  0%,
  100% {
    transform: translateX(80px) translateY(10px);
  }
  27%,
  92% {
    transform: translateX(120px) translateY(10px);
  }
  35% {
    transform: translateX(100px) translateY(10px);
  }
  44% {
    transform: translateX(110px) translateY(10px);
  }
  82% {
    transform: translateX(70px) translateY(10px);
  }
}
@keyframes blink {
  0%,
  11%,
  13%,
  31%,
  33%,
  53%,
  55%,
  65%,
  67%,
  76%,
  78%,
  88%,
  90%,
  92%,
  94% {
    filter: blur(0);
  }
  12%,
  32%,
  54%,
  66%,
  77%,
  89%,
  93% {
    filter: blur(6px) drop-shadow(0 0 2px #fff) drop-shadow(0 0 4px #fff)
      drop-shadow(0 0 6px #fff);
  }
}
.menu-list {
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding-left: 76px;
  padding-top: 13px;
}
.menu-item {
  display: flex;
  align-items: center;
}
.menu-item .text-button {
  min-width: 160px;
}
.text-button {
  font-family: var(--font-menu);
  text-decoration: none;
  color: var(--input-text-color);
  letter-spacing: 0.2px;
  display: inline-block;
  cursor: default;
  user-select: none;
  transition: filter 1s, text-shadow 1s;
}
.text-button:hover,
.text-button.hover {
  filter: brightness(1.5) saturate(2);
  text-shadow: 0 0 2px var(--input-text-color), 0 0 4px var(--glow-dark),
    0 0 6px var(--glow-dark), 0 0 2px var(--glow-dark), 0 0 4px var(--glow-dark);
  transition: filter 0.05s, text-shadow 0.05s;
}
.text-button:active {
  color: #000;
}
.menu-item small {
  font-size: 11px;
  text-decoration: none;
  color: #7f7f7f;
  user-select: none;
}
.dialog {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
}
.dialog.show {
  display: flex;
  align-items: center;
  justify-content: center;
}
.dialog-box {
  min-width: 320px;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  background-color: #383838;
  border: 1px solid #646464;
  box-sizing: border-box;
}
.dialog-box .caption {
  font-weight: 600;
  color: var(--prompt-text-color);
  text-align: center;
  padding-top: 16px;
}
.dialog-box .actions {
  display: flex;
  justify-content: center;
  gap: 80px;
  margin-top: auto;
  padding-bottom: 6px;
}
.version {
  display: flex;
  justify-content: end;
  padding-top: 2px;
  padding-right: 23px;
}
.version small {
  font-size: 10px;
  color: var(--input-text-color);
  opacity: 0.4;
  letter-spacing: 0.2px;
  user-select: none;
}