:root { color-scheme: light; font: 16px/1.7 -apple-system, 'PingFang SC', sans-serif; color: #332b52; background: #fcfaf3; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: linear-gradient(#deebf5, #fcfaf3); }
main { width: min(100%, 390px); margin: auto; padding: 20px 16px; }
a { color: inherit; font-size: 16px; text-underline-offset: 4px; }
.back { display: inline-flex; min-height: 44px; align-items: center; }
h1 { margin: 44px 0 12px; font-size: 32px; }
p { margin: 12px 0 24px; }
.windows { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; padding: 14px; border-radius: 22px; background: #332b52; }
.windows button { aspect-ratio: 1; border: 2px solid transparent; border-radius: 12px; background: #7994ac; cursor: pointer; }
.windows button[aria-pressed="true"] { background: #f9d994; box-shadow: 0 0 16px #f9d99433; }
.windows button.preview { box-shadow: 0 0 20px 5px #fff4bf99; filter: brightness(1.18); }
button:focus-visible, a:focus-visible { outline: 3px solid #b86910; outline-offset: 4px; }
button:active { transform: scale(.97); }
@media (max-width: 390px) {
  main { padding-inline: 12px; }
  .windows { gap: 8px; padding: 12px; }
}
#status { min-height: 2em; margin: 24px 0 12px; }
#reset { border: 1px solid #332b52; border-radius: 100px; padding: 10px 24px; background: transparent; color: inherit; font: inherit; cursor: pointer; }
footer { margin-top: 40px; font-size: 12px; color: #5d537f; }