* {
  box-sizing: border-box;
}
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(ellipse at top, #214f4b, #071a24 70%);
  color: #e5f3e8;
  font:
    14px system-ui,
    sans-serif;
  display: grid;
  place-items: center;
}
main {
  width: min(100% - 32px, 1060px);
  padding: 28px 0;
}
.window {
  background: #102c32;
  border: 1px solid #467166;
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 24px 90px #0006;
}
header {
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}
header > span {
  color: #f1d490;
}
h1 {
  font-size: 22px;
  letter-spacing: -0.5px;
  margin: 0;
  flex: 1;
}
button {
  font: inherit;
  cursor: pointer;
  border: 1px solid #557b69;
  background: #193f41;
  color: #e6f3de;
  padding: 9px 14px;
  border-radius: 10px;
}
button:hover {
  background: #285950;
}
button:focus-visible {
  outline: 3px solid #f3d696;
  outline-offset: 3px;
}
nav {
  display: flex;
  gap: 8px;
  padding: 0 18px 15px;
  flex-wrap: wrap;
}
nav button:first-child {
  background: #e9d49a;
  color: #193533;
  border-color: #e9d49a;
}
nav small {
  font-size: 10px;
  margin-left: 5px;
  opacity: 0.7;
}
canvas {
  width: 100%;
  aspect-ratio: 4/3;
  display: block;
  background: #081f27;
  outline: none;
}
.status {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  color: #9ec6b4;
  font-size: 12px;
}
.touch {
  display: flex;
  gap: 8px;
  padding: 14px 18px 0;
}
.touch button {
  flex: 1;
  touch-action: none;
  user-select: none;
  font-size: 12px;
  padding: 12px 4px;
}
.caption {
  font-size: 12px;
  color: #93baa8;
  text-align: center;
  line-height: 1.8;
}
.caption button {
  border: 0;
  background: none;
  color: #eddaa4;
  text-decoration: underline;
  padding: 0 4px;
  font-size: 12px;
}
dialog {
  background: #123638;
  color: #e6f3de;
  max-width: 460px;
  border: 1px solid #699b86;
  border-radius: 18px;
  padding: 26px;
  font-size: 14px;
  line-height: 1.6;
}
dialog::backdrop {
  background: #04151cbd;
}
dialog h2 {
  color: #f3dba0;
  font-size: 22px;
  margin: 0 0 18px;
}
dl {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 8px;
}
dd {
  margin: 0;
}
dt {
  font-weight: 600;
  color: #f3dba0;
}
dialog form {
  text-align: right;
}
.window:fullscreen {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: 0;
}
.window:fullscreen header,
.window:fullscreen nav,
.window:fullscreen .touch,
.window:fullscreen .status {
  width: 100%;
}
.window:fullscreen canvas {
  flex: 1;
  min-height: 0;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}
@media (max-width: 600px) {
  main {
    width: 100%;
    padding: 0;
  }
  .window {
    border: 0;
    border-radius: 0;
  }
  header {
    padding: 12px 16px;
  }
  .status {
    flex-direction: column;
    gap: 4px;
  }
  nav button {
    padding: 8px 10px;
  }
  nav small {
    display: none;
  }
  .caption {
    padding: 0 12px;
  }
}

.mobile-score {
  display: none;
}
@media (max-width: 600px) {
  body {
    display: block;
  }
  header {
    padding: 10px 14px;
  }
  h1 {
    font-size: 20px;
  }
  nav {
    padding: 0 12px 10px;
    gap: 6px;
  }
  .mobile-score {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 4px 12px;
    padding: 10px 16px;
    background: #0c242b;
    border-top: 1px solid #355c52;
  }
  .mobile-score div {
    min-width: 0;
  }
  .mobile-score span {
    display: block;
    font-size: 12px;
    color: #a5cdb8;
  }
  .mobile-score strong {
    display: block;
    font-size: 20px;
    color: #fff0c7;
    font-variant-numeric: tabular-nums;
    overflow-wrap: anywhere;
  }
  .mobile-score p {
    grid-column: 1/-1;
    margin: 3px 0 0;
    font-size: 14px;
    line-height: 1.4;
    overflow-wrap: anywhere;
  }
  canvas {
    aspect-ratio: 5/6;
    width: min(100%, calc((100svh - 300px) * 5 / 6));
    height: auto;
    margin: 0 auto;
  }
  .touch {
    padding: 8px 10px 0;
  }
  .touch button {
    min-height: 46px;
  }
  .status {
    padding: 8px 14px;
  }
  .caption {
    margin: 8px 0;
  }
  .window:fullscreen .mobile-score {
    width: 100%;
  }
  .window:fullscreen canvas {
    flex: 1;
    width: auto;
    max-width: 100%;
    height: auto;
    aspect-ratio: 5/6;
  }
}

@media (min-width: 601px) and (max-height: 500px) {
  body {
    display: block;
  }
  main {
    width: 100%;
    padding: 0;
  }
  .window {
    height: 100svh;
    display: grid;
    grid-template-columns: 155px minmax(0, 1fr) 195px;
    grid-template-rows: auto 1fr auto;
    gap: 6px;
    border: 0;
    border-radius: 0;
    padding: 8px;
  }
  header {
    grid-column: 1;
    grid-row: 1;
    padding: 4px;
    gap: 6px;
  }
  header h1 {
    font-size: 16px;
  }
  header > span {
    display: none;
  }
  header button {
    padding: 6px;
  }
  nav {
    grid-column: 1;
    grid-row: 2 / 4;
    flex-direction: column;
    align-self: start;
    padding: 0;
    gap: 7px;
  }
  nav button {
    min-height: 42px;
  }
  canvas {
    grid-column: 2;
    grid-row: 1 / 4;
    align-self: center;
    justify-self: center;
    width: auto;
    max-width: 100%;
    height: calc(100svh - 16px);
    aspect-ratio: 5/6;
    object-fit: contain;
  }
  .mobile-score {
    grid-column: 3;
    grid-row: 1 / 3;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    align-content: start;
    padding: 4px;
    background: #102c32;
  }
  .mobile-score div {
    min-width: 0;
  }
  .mobile-score span {
    display: block;
    font-size: 11px;
    color: #a5cdb8;
  }
  .mobile-score strong {
    font-size: 18px;
    color: #fff0c7;
    overflow-wrap: anywhere;
  }
  .mobile-score p {
    grid-column: 1 / -1;
    margin: 0;
    font-size: 12px;
    line-height: 1.4;
    overflow-wrap: anywhere;
  }
  .touch {
    grid-column: 3;
    grid-row: 3;
    flex-direction: column;
    padding: 0;
    gap: 5px;
  }
  .touch button {
    min-height: 42px;
    padding: 8px;
  }
  .status,
  .caption {
    display: none;
  }
  .window:fullscreen {
    display: grid;
  }
  .window:fullscreen canvas {
    height: calc(100svh - 16px);
    width: auto;
  }
}

.all-games {
  display: inline-block;
  color: #e6f3de;
  margin: 16px 22px 0;
  padding: 8px 0;
}
.all-games:focus-visible {
  outline: 3px solid #f3d696;
  outline-offset: 3px;
}

.mission-guide {
  margin: 0 18px 14px;
  padding: 10px 12px;
  border-left: 3px solid #f1d490;
  background: #102d30;
  color: #fff5d7;
  font-size: 14px;
  line-height: 1.5;
}