@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400&display=swap'); /* Playful Google Font */

body {
  --hue: 0;
  --saturation: 50%;
  --lightness: 50%;

  font-family: "Fredoka", sans-serif; /* Playful font */
  margin: 0;
  padding: 0;
  background-color: hsl(var(--hue), var(--saturation), var(--lightness));
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: background-color 0.3s ease;
}

header {
  --header-bg-color: #56c596;
  --header-font-color: white;
  --header-font-size: 2.5rem;

  background-color: var(--header-bg-color);
  color: var(--header-font-color);
  text-align: center;
  padding: 1.5rem 0;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
  font-size: var(--header-font-size);
  margin: 0;
  text-shadow: 2px 2px #9bf6a5; 
}

main {
  padding: 1rem;
  text-align: center;
  flex-grow: 1; 
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

ul.buttons {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  margin: .5rem 0;
  gap: .5rem;
  justify-content: flex-start;
  max-width:100%;
  scrollbar-width: none;
}

ul.buttons::-webkit-scrollbar {
  display: none; /* Chrome, Safari, and Edge */
}

/* Emoji List Styled as Grid */
ul.emojis {
  list-style: none;
  padding: 0;
  margin: 1rem auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(3rem, 1fr));
  gap: 1rem;
  max-width:400px;
  width: 100%;
  justify-content: center;
}

li {
  --item-hover-bg-color: #c4e6d7; /* Light pastel green */
  --item-font-weight-normal: normal;
  --item-font-weight-bold: bold;
  --item-font-size: 3rem;
  --item-cursor: pointer;

  margin: 0;
  padding: 0 0.8rem;
  border-radius: 12px;
  font-size: var(--item-font-size);
  font-weight: var(--item-font-weight-normal);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
  opacity: 0;
  animation: fadeIn 0.5s forwards ease-out;
}

ul.emojis li:hover {
  background-color: var(--item-hover-bg-color);
  cursor: var(--item-cursor);
  transform: rotate(5deg) scale(1.2);
}

@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: translateY(-20px) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes pop-out {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.8;
  }
  100% {
    transform: scale(0);
    opacity: 0;
  }
}

button {
  --button-bg-color: #7de1aa; 
  --button-hover-color: #58c18e; 

  padding: 0.8rem 1.2rem;
  margin: 0.5rem;
  cursor: pointer;
  background-color: var(--button-bg-color);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1.2rem;
  font-weight: bold;
  box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  white-space: nowrap;
}

button:hover {
  background-color: var(--button-hover-color);
  transform: scale(1.1);
}

button:active {
  background-color: var(--button-bg-color);
}

footer {
  --footer-bg-color: #56c596;
  background-color: var(--footer-bg-color);
  color: var(--header-font-color);
  text-align: center;
  padding: 1rem 0;
  font-size: 1rem;
  text-shadow: 1px 1px #9bf6a5; /* Light green shadow for footer */
  margin-top: auto; /* Sticks footer to the bottom */
}