body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: white;
  overflow-x: hidden;
}

.dynamic-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #3498db, #8e44ad);
  z-index: -1;
}

.dynamic-background::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle, transparent 20%, #000 80%);
  opacity: 0.7;
}

.container {
  width: 100%;
  max-width: 600px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  backdrop-filter: blur(10px);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.logo {
  display: block;
  text-align: center;
  margin-bottom: 20px;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.logo:hover {
  opacity: 0.8;
}

.logo img {
  width: 150px;
  height: auto;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

.emoji-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  margin-bottom: 5px;
  font-weight: bold;
}

.form-group input[type="text"],
.form-group input[type="password"] {
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 5px;
  font-size: 16px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  gap: 10px;
  max-height: 200px;
  overflow-y: auto;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.1);
}

.emoji-option {
  display: flex;
  justify-content: center;
  align-items: center;
}

.emoji-option input[type="checkbox"] {
  display: none;
}

.emoji {
  font-size: 24px;
  cursor: pointer;
  transition: transform 0.2s;
}

.emoji-option input[type="checkbox"]:checked + .emoji {
  transform: scale(1.2);
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}

.submit-button {
  padding: 10px 20px;
  background-color: #4caf50;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

.submit-button:hover {
  background-color: #45a049;
}

.navigation {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.nav-button {
  padding: 10px 20px;
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  text-decoration: none;
  transition: background-color 0.3s;
}

.nav-button:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.emoji-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.emoji-item {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}

.emoji-display {
  font-size: 32px;
  margin: 10px 0;
}

@media (max-width: 600px) {
  .container {
    padding: 10px;
  }

  .emoji-grid {
    max-height: 150px;
  }
}