:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
}

body {
  min-height: 100dvh;
  padding: max(14px, env(safe-area-inset-top)) max(14px, env(safe-area-inset-right))
    max(14px, env(safe-area-inset-bottom)) max(14px, env(safe-area-inset-left));
  background: #0b0d17;
  color: #e8eaf2;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

h1 {
  margin: 4px 2px 14px;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #9aa0b8;
}

.group + .group {
  margin-top: 22px;
}

.group h2 {
  margin: 0 2px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9aa0b8;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.pad {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  padding: 8px;
  border: 1.5px solid var(--pad-color);
  border-radius: 14px;
  font: inherit;
  font-size: clamp(0.7rem, 3.2vw, 0.9rem);
  line-height: 1.15;
  text-align: center;
  color: #eef1ff;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
  -webkit-user-select: none;
  transition: transform 80ms ease;
}

.pad:active {
  transform: scale(0.96);
}

.pad:focus-visible {
  outline: 2px solid #e8eaf2;
  outline-offset: 2px;
}

.label {
  display: -webkit-box;
  overflow: hidden;
  overflow-wrap: anywhere;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.dot {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #22c55e;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 150ms ease, transform 150ms ease;
}

.pad[aria-pressed="true"] .dot {
  opacity: 1;
  transform: scale(1);
  animation: pulse 1.6s ease-out infinite;
}

.progress {
  position: absolute;
  right: 9px;
  bottom: 9px;
  left: 9px;
  height: 3px;
  border-radius: 2px;
  background: rgba(232, 234, 242, 0.18);
  opacity: 0;
  overflow: hidden;
  transition: opacity 150ms ease;
}

.progress-fill {
  display: block;
  width: calc(var(--progress, 0) * 100%);
  height: 100%;
  border-radius: inherit;
  background: var(--pad-color);
}

.pad[aria-pressed="true"] .progress {
  opacity: 1;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(34, 197, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .pad,
  .dot {
    transition: none;
  }
  .pad[aria-pressed="true"] .dot {
    animation: none;
  }
}