#form__container {
  width: 90%;
  max-width: 600px;
  border-radius: 10px;
  background-color: rgba(38, 38, 37, 0.8);
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 20px 40px rgba(92, 184, 92, 0.3);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

#form__container:hover {
  transform: translate(-50%, -52%) scale(1.02);
  box-shadow: 0 25px 50px rgba(92, 184, 92, 0.4);
}

#lobby__form {
  padding: 3em;
}

#form__container__header {
  border-radius: 10px 10px 0 0;
  padding: 15px;
  text-align: center;
  background-color: #5cb85c;
  color: white;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 20px;
  font-weight: 700;
  margin: 0;
  font-size: 300;
  line-height: 0;
}

.form__field__wrapper {
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 20px;
}

.form__field__wrapper label {
  font-size: 14px;
  line-height: 1.7em;
  margin-bottom: 10px;
  display: block;
}

.form__field__wrapper input {
  box-sizing: border-box;
  color: #fff;
  width: 100%;
  margin: 0;
  border: none;
  border-radius: 5px;
  padding: 16px 20px;
  font-size: 15px;
  background-color: #3f434a;
  border-bottom: 2px solid #5cb85c;
  transition: all 0.3s ease;
}

.form__field__wrapper input:focus {
  outline: none;
  background-color: rgba(74, 79, 87, 0.9);
  box-shadow: 0 0 15px rgba(76, 175, 80, 0.6);
}

.form__field__wrapper button[type="submit"] {
  margin-top: 32px;
  cursor: pointer;
  background: linear-gradient(45deg, #5cb85c, #4cae4c);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(92, 184, 92, 0.3);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border-radius: 5px;
  gap: 10px;
}

.form__field__wrapper button[type="submit"]:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(92, 184, 92, 0.4);
}

.form__field__wrapper button[type="submit"] svg {
  fill: #ede0e0;
  width: 20px;
}

#avatar__selection {
  margin-reight: 10px;
  display: flex;
  gap: 1em;
}

.avatar__option {
  height: 50px;
  width: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
  border: 2px solid #797a79;
}

.avatar__option:hover {
  transform: scale(1.1) rotate(5deg);
  border-color: #5cb85c;
}

.avatar__option__selected {
  border: 3px solid #5cb85c;
  box-shadow: 0 0 20px rgba(92, 184, 92, 0.7);
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(92, 184, 92, 0.7);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(92, 184, 92, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(92, 184, 92, 0);
  }
}

@media screen and (max-width: 480px) {
  #form__container {
    width: 95%;
  }

  #lobby__form {
    padding: 1.5em;
  }

  .form__field__wrapper input,
  .form__field__wrapper button[type="submit"] {
    font-size: 16px; /* Tăng kích thước chữ cho dễ đọc */
  }

  #avatar__selection {
    flex-wrap: wrap; /* Cho phép các avatar xuống dòng nếu không đủ chỗ */
    justify-content: center;
  }
}