@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Poppins", sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  background-color: #ffffff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  width: 400px;
  max-width: 90%;
}

.login-form h2 {
  text-align: center;
  color: #333;
  margin-bottom: 30px;
}

.input-group {
  position: relative;
  margin-bottom: 30px;
}

.input-group input {
  width: 100%;
  padding: 10px 0;
  font-size: 16px;
  color: #333;
  border: none;
  border-bottom: 1px solid #ddd;
  outline: none;
  background: transparent;
  transition: 0.3s;
}

.input-group label {
  position: absolute;
  top: 0;
  left: 0;
  padding: 10px 0;
  font-size: 16px;
  color: #666;
  pointer-events: none;
  transition: 0.3s;
}

.input-group input:focus ~ label,
.input-group input:valid ~ label {
  top: -20px;
  font-size: 12px;
  color: #667eea;
}

.input-group input:focus {
  border-bottom: 2px solid #667eea;
}

button {
  width: 100%;
  padding: 12px;
  background: #667eea;
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 16px;
  transition: 0.3s;
}

button:hover {
  background: #764ba2;
}

.error-message {
  color: #ff3860;
  font-size: 14px;
  text-align: center;
  margin-top: 10px;
  display: none;
}