* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #080b12;
  color: #bec9dc;
  font:
    14px ui-monospace,
    SFMono-Regular,
    Menlo,
    monospace;
}
main {
  max-width: 1200px;
  margin: auto;
  padding: 20px;
}
header,
.hud,
.controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
a {
  color: inherit;
  text-decoration: none;
}
h1 {
  font-size: 16px;
  font-weight: 500;
  margin: 0;
}
.hud {
  margin: 18px 0 10px;
  font-size: 12px;
  color: #8a9cc4;
}
.water {
  position: relative;
  width: 100%;
  aspect-ratio: 2;
  touch-action: none;
  outline: none;
  border: 1px solid #223463;
}
canvas {
  position: absolute;
  width: 100%;
  height: 100%;
  inset: 0;
}
#overlay {
  pointer-events: none;
}
.message {
  min-height: 48px;
  margin: 18px 0 8px;
  line-height: 1.6;
}
.controls {
  justify-content: flex-start;
}
button {
  font: inherit;
  color: #d8dfea;
  background: #15203d;
  border: 1px solid #364e8b;
  border-radius: 3px;
  padding: 10px 14px;
  cursor: pointer;
}
button:focus-visible,
a:focus-visible {
  outline: 2px solid #ffd27c;
}
button:disabled {
  opacity: 0.4;
}
.help {
  font-size: 12px;
  line-height: 1.7;
  color: #8a9cc4;
  max-width: 800px;
}
footer {
  margin-top: 28px;
  font-size: 11px;
  color: #7089c0;
}
@media (max-width: 600px) {
  main {
    padding: 12px;
  }
  .water {
    aspect-ratio: 2;
  }
  h1 {
    font-size: 15px;
  }
  .hud {
    gap: 6px;
  }
  button {
    padding: 12px;
  }
  .message {
    font-size: 13px;
  }
}
@media (orientation: landscape) and (max-height: 500px) and (min-width: 650px) {
  main {
    display: grid;
    grid-template-columns: 1.7fr 1fr;
    gap: 10px 18px;
    padding: 12px;
  }
  header,
  .hud {
    grid-column: 1/-1;
  }
  .hud {
    margin: 0;
  }
  .water {
    grid-column: 1;
    grid-row: 3/7;
    align-self: start;
    aspect-ratio: 2;
  }
  .message,
  .controls,
  .help,
  footer {
    grid-column: 2;
    margin: 0;
    font-size: 11px;
  }
  .controls {
    gap: 6px;
  }
  button {
    padding: 7px 9px;
    font-size: 11px;
  }
  footer button {
    margin-top: 7px;
  }
}