:root {
  color-scheme: dark;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #000;
  color: #aaa;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; background: #000; }

main {
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 24px;
}

#start-panel { text-align: center; }

button {
  min-height: 48px;
  min-width: 144px;
  padding: 12px 24px;
  border: 1px solid #333;
  border-radius: 100px;
  background: #080808;
  color: #aaa;
  font: inherit;
  font-size: 16px;
  cursor: pointer;
  touch-action: manipulation;
}

button:hover { background: #111; color: #ccc; }
button[aria-disabled="true"] { cursor: wait; }
button:focus-visible { outline: 2px solid #aaa; outline-offset: 5px; }

#message, .fallback {
  max-width: 28rem;
  font-size: 14px;
  line-height: 1.6;
  margin: 16px 0 0;
}

[hidden] { display: none !important; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.credits article { max-width: 42rem; line-height: 1.8; }
.credits h1 { font-size: 24px; font-weight: 500; }
.credits a { color: #ccc; text-underline-offset: 3px; }
.credits li { margin-bottom: 12px; }