:root {
  --bg-color: #fafaf9;
  --bg-glow: radial-gradient(circle at center, rgba(255, 230, 109, 0.12) 0%, rgba(250, 250, 249, 1) 70%);
  --selection-color: rgba(254, 215, 102, 0.35);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #0f1115;
    --bg-glow: radial-gradient(circle at center, rgba(255, 214, 0, 0.08) 0%, rgba(15, 17, 21, 1) 70%);
    --selection-color: rgba(255, 214, 0, 0.25);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

::selection {
  background: var(--selection-color);
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-color);
  background-image: var(--bg-glow);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  transition: background-color 0.4s ease, background-image 0.4s ease;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI Emoji", "Apple Color Emoji", "Noto Color Emoji", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  user-select: none;
  -webkit-user-select: none;
}

.emoji-wrapper {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  outline: none;
  border-radius: 50%;
  padding: 1.5rem;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.3s ease;
  animation: gentle-float 4s ease-in-out infinite alternate;
  will-change: transform;
}

.emoji-wrapper:hover {
  transform: scale(1.18) rotate(4deg);
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.12));
}

.emoji-wrapper:active {
  transform: scale(0.92) rotate(-3deg);
  transition-duration: 0.1s;
}

.emoji-wrapper:focus-visible {
  outline: 2px dashed rgba(160, 160, 160, 0.6);
  outline-offset: 12px;
}

.emoji {
  font-size: clamp(5rem, 20vw, 11rem);
  line-height: 1;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.05));
  transition: filter 0.3s ease;
}

@keyframes gentle-float {
  0% {
    transform: translateY(0px) scale(1);
  }
  50% {
    transform: translateY(-8px) scale(1.02);
  }
  100% {
    transform: translateY(0px) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .emoji-wrapper {
    animation: none;
    transition: none;
  }
  .emoji-wrapper:hover,
  .emoji-wrapper:active {
    transform: none;
  }
}