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

body {
  background: radial-gradient(circle at top, #0d1117, #1a1a1a);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Container */
.container {
  background: #121212;
  padding: 45px 35px;
  border-radius: 20px;
  width: 380px;
  text-align: center;
  box-shadow: 0 15px 35px rgba(0, 255, 213, 0.15);
}

/* Logo */
.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 42px;
  color: #00ffd5;
  text-shadow: 0 0 6px #00ffd5;
  margin-bottom: 10px;
}

/* Title */
.title {
  font-size: 18px;
  color: #b0b0b0;
  margin-bottom: 25px;
}

/* Input */
.input-group {
  position: relative;
  margin-bottom: 22px;
}

.input-group input {
  width: 100%;
  padding: 12px 10px;
  background: transparent;
  border: none;
  border-bottom: 2px solid #444;
  color: #fff;
  font-size: 15px;
  outline: none;
  transition: 0.3s ease;
}

.input-group label {
  position: absolute;
  left: 10px;
  top: 12px;
  color: #888;
  font-size: 14px;
  pointer-events: none;
  transition: 0.3s ease;
}

.input-group input:focus ~ label,
.input-group input:valid ~ label {
  top: -8px;
  font-size: 12px;
  color: #00ffd5;
}

.input-group input:focus {
  border-bottom: 2px solid #00ffd5;
}

/* Forgot Password */
.forgot {
  text-align: right;
  margin-bottom: 15px;
}

.forgot a {
  font-size: 13px;
  color: #ff00ff;
  text-decoration: none;
}

.forgot a:hover {
  text-decoration: underline;
}

/* Button */
.btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #ff00ff, #c700ff);
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.3s ease;
  color: white;
}

.btn:hover {
  transform: scale(1.03);
  box-shadow: 0 0 12px #ff00ff;
}

/* Sign up text */
.signup-text {
  margin-top: 18px;
  font-size: 13px;
  color: #aaa;
}

.signup-text a {
  color: #00ffd5;
  text-decoration: none;
}

.signup-text a:hover {
  text-decoration: underline;
}