:root {
  --bg: #fdf6ec;
  --text: #4a3b32;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

main {
  text-align: center;
  padding: 2rem;
}

#cat {
  width: min(70vw, 320px);
  height: min(70vw, 320px);
  margin: 0 auto 1.5rem;
  border-radius: 1rem;
  overflow: hidden;
  background: #fff;
}

#cat img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

h1 {
  font-size: 1.75rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
}

#countdown {
  font-size: 2rem;
  font-weight: 600;
  margin: 0;
  font-variant-numeric: tabular-nums;
}

#clock {
  font-size: 1.1rem;
  opacity: 0.6;
  margin: 0.25rem 0 0;
  font-variant-numeric: tabular-nums;
}

#attribution {
  font-size: 0.75rem;
  opacity: 0.5;
  margin: 1rem 0 0;
}

#attribution a {
  color: inherit;
}

body.friday-night {
  background: #2e2b3f;
  color: #fdf6ec;
}

#confetti {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.confetti-piece {
  position: absolute;
  top: -10px;
  width: 8px;
  height: 14px;
  opacity: 0.9;
  animation-name: confetti-fall;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

@keyframes confetti-fall {
  to {
    transform: translateY(110vh) rotate(360deg);
  }
}