@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}


body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(270deg, #0f2027, #2c5364, #1a1a2e, #16213e);
  background-size: 600% 600%;
  animation: gradientMove 12s ease infinite;
}


@keyframes gradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}


.container {
  width: 350px;
  padding: 30px;
  border-radius: 20px;
  backdrop-filter: blur(18px);
  background: rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 25px rgba(0,255,255,0.2);
  text-align: center;
  color: #00fff7;
  border: 1px solid rgba(0,255,255,0.2);
  transition: 0.4s;
}

.container:hover {
  transform: scale(1.03);
  box-shadow: 0 0 40px rgba(0,255,255,0.5);
}


.container h2 {
  margin-bottom: 20px;
  font-weight: 600;
  letter-spacing: 1px;
}


.container input {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  border-radius: 10px;
  border: none;
  outline: none;
  background: rgba(0, 255, 247, 0.1);
  color: #00fff7;
  transition: 0.3s;
}

.container input::placeholder {
  color: #a0ffff;
}

.container input:focus {
  background: rgba(0, 255, 247, 0.2);
  box-shadow: 0 0 10px #00fff7;
}


.container button {
  width: 100%;
  padding: 12px;
  margin-top: 12px;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s;
  letter-spacing: 0.5px;
}


#loginBtn {
  background: linear-gradient(45deg, #00fff7, #00c3ff);
  color: #000;
}

#loginBtn:hover {
  box-shadow: 0 0 15px #00fff7;
  transform: translateY(-2px);
}


#signupBtn {
  background: linear-gradient(45deg, #ff00ff, #ff4ecd);
  color: white;
}

#signupBtn:hover {
  box-shadow: 0 0 15px #ff00ff;
  transform: translateY(-2px);
}


#logoutBtn {
  background: linear-gradient(45deg, #ff416c, #ff4b2b);
  color: white;
}

#logoutBtn:hover {
  box-shadow: 0 0 15px #ff416c;
  transform: translateY(-2px);
}


#message {
  margin-top: 12px;
  font-size: 14px;
  color: #ff9aa2;
}


@media (max-width: 400px) {
  .container {
    width: 90%;
    padding: 20px;
  }
}