:root {
  --bg-color: #121212;
  --text-color: #ffffff;
  --tile-bg: #1e1e1e;
  --tile-border: #2c2c2c;
  --key-bg: #d3d6da;
  --key-text: #1a1a1c;
  --key-absent: #787c7e;
  --correct: #4caf50;
  --present: #ff9800;
  --nav-bg: #1a1a1a;
  --nav-button-bg: #2c2c2c;
}

body, html {
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

#app {
  max-width: 500px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

header {
  text-align: center;
  margin-bottom: 20px;
}

h1 {
  font-size: 2.5em;
  margin: 0;
  color: var(--correct);
}

nav {
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
  padding: 10px;
  background-color: var(--nav-bg);
  border-radius: 10px;
}

.nav-button {
  background-color: var(--nav-button-bg);
  color: var(--text-color);
  border: none;
  padding: 10px 15px;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 5px;
  font-size: 0.9em;
  text-transform: uppercase;
  min-width: 70px;
}

.nav-button:hover {
  background-color: var(--correct);
  color: var(--bg-color);
}

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

.page {
  display: none;
  flex-grow: 1;
}

.page.active {
  display: flex;
  flex-direction: column;
}

#gameBoard {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
  margin-bottom: 20px;
}

.tile {
  aspect-ratio: 1;
  border: 2px solid var(--tile-border);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 2em;
  font-weight: bold;
  text-transform: uppercase;
  background-color: var(--tile-bg);
  transition: all 0.3s ease;
}

#loading {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.5em;
  color: var(--text-color);
}

#keyboard {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.keyboard-row {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.key {
  font-size: 1.2em;
  font-weight: bold;
  border: none;
  border-radius: 4px;
  background-color: var(--key-bg);
  color: var(--key-text);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 10px;
  min-width: 30px;
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.key-wide {
  flex: 1.5;
  font-size: 1.5em;
}

.key:hover {
  filter: brightness(0.9);
}

.key-absent {
  background-color: var(--key-absent);
  color: white;
}

.key-present {
  background-color: var(--present);
  color: white;
}

.key-correct {
  background-color: var(--correct);
  color: white;
}

#messageBox {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--present);
  color: var(--bg-color);
  padding: 10px 20px;
  border-radius: 5px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#messageBox.show {
  opacity: 1;
}

#scoreDisplay {
  font-size: 1.2em;
  font-weight: bold;
  text-align: center;
  margin: 10px 0;
  color: var(--present);
}

@keyframes flip {
  0% { transform: rotateX(0); }
  50% { transform: rotateX(90deg); }
  100% { transform: rotateX(0); }
}

.tile.flip {
  animation: flip 0.5s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes dance {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.dance {
  animation: dance 0.5s ease-in-out;
}

#scoresPage, #guidePage, #profilePage {
  background-color: var(--tile-bg);
  border-radius: 10px;
  padding: 20px;
}

#scoresList {
  list-style-type: none;
  padding: 0;
}

#scoresList li {
  margin-bottom: 10px;
  padding: 10px;
  background-color: var(--key-bg);
  border-radius: 5px;
  color: var(--key-text);
}

#profileForm {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#profileForm input {
  padding: 10px;
  font-size: 1em;
  border: none;
  background-color: var(--key-bg);
  color: var(--key-text);
  border-radius: 5px;
}

@media (max-width: 500px) {
  nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }

  .nav-button {
    flex: 1 1 40%;
    font-size: 0.8em;
    padding: 8px 12px;
  }

  .key {
    font-size: 1em;
    padding: 8px;
    min-width: 20px;
  }

  .key-wide {
    font-size: 1.2em;
  }
}