/* Basic reset */
* { box-sizing: border-box; }

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #8a4af3, #e73c7e);
  height: 100vh;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
}

.container {
  background: rgba(255, 255, 255, 0.15);
  padding: 35px 45px;
  border-radius: 20px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.container:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.3);
}

h2 {
  margin-bottom: 30px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: #f5e6ff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0);
}

input {
  width: 100%;
  padding: 14px 18px;
  margin: 12px 0;
  border-radius: 10px;
  border: none;
  outline: none;
  font-size: 16px;
  background-color: rgba(255, 255, 255, 0.1);
  color: #fff;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus {
  background-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 8px rgba(231, 60, 126, 0.5);
}

button {
  width: 100%;
  padding: 14px 18px;
  margin-top: 20px;
  background: linear-gradient(90deg, #e73c7e, #ff8e53);
  border: none;
  border-radius: 10px;
  color: white;
  font-weight: 600;
  font-size: 18px;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

button:hover {
  background: linear-gradient(90deg, #ff8e53, #e73c7e);
  transform: scale(1.02);
}

.prediction-box {
  margin-top: 25px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  text-align: center;
  font-size: 18px;
  color: #f0f0f0;
}

#signupMessage, #loginMessage {
  margin-top: 18px;
  font-weight: 600;
  color: #e6e6ff;
}

.switch-page {
  margin-top: 25px;
  font-size: 15px;
  color: #e0e0e0;
}

.switch-page a {
  color: #ff9ab8;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.switch-page a:hover {
  color: #f5e6ff;
  text-decoration: underline;
}