/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #89f7fe, #66a6ff);
  padding: 20px;
}

/* Glass Container */
.container {
  width: 100%;
  max-width: 420px;
  padding: 30px 25px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
  text-align: center;
  color: #fff;
  animation: fadeIn 0.7s ease;
}

#header {
  font-size: 1.9rem;
  margin-bottom: 25px;
  font-weight: 700;
}

/* Form */
form label {
  display: block;
  text-align: left;
  margin: 12px 0 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: #f0f0f0;
}

input {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1rem;
  transition: 0.3s ease;
}

input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

input:focus {
  outline: 2px solid #fff;
  background: rgba(255, 255, 255, 0.3);
}

/* Submit Button */
#submit {
  margin-top: 20px;
  font-weight: bold;
  background: linear-gradient(135deg, #ff9a9e, #fad0c4);
  color: #333;
  cursor: pointer;
  transition: 0.3s ease;
}

#submit:hover {
  transform: scale(1.05);
  background: linear-gradient(135deg, #fad0c4, #ff9a9e);
}

/* Profile Section */
#profile {
  display: none;
  margin-top: 25px;
  padding: 18px;
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  text-align: left;
  animation: slideUp 0.6s ease;
}

#profile h3 {
  margin-bottom: 12px;
  color: #fff;
}

#profile p {
  margin: 6px 0;
  color: #f0f0f0;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Responsive */
@media (max-width: 500px) {
  .container {
    padding: 20px;
  }

  #header {
    font-size: 1.5rem;
  }
}