:root {
  --neon-blue: #00eaff;
  --neon-green: #00ff9c;
  --bg-dark: #05060c;
  --card-bg: #0b1020;
  --text-light: #eaeaea;
}

body {
  margin: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: radial-gradient(circle at top, #0a142a, #000);
  font-family: "Poppins", sans-serif;
  color: var(--text-light);
}

.login-container {
  text-align: center;
}

.login-card {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0, 255, 156, 0.2);
  width: 340px;
  transition: 0.3s;
}

.login-card:hover {
  box-shadow: 0 0 25px rgba(0, 234, 255, 0.4);
  transform: scale(1.02);
}

.logo {
  width: 80px;
  margin-bottom: 10px;
  filter: drop-shadow(0 0 10px var(--neon-green));
}

h2 {
  color: var(--neon-blue);
  text-shadow: 0 0 10px var(--neon-blue);
  margin-bottom: 10px;
}

.subtitle {
  font-size: 0.9rem;
  color: #bbb;
  margin-bottom: 20px;
}

input {
  width: 100%;
  margin: 8px 0;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(0, 234, 255, 0.5);
  background: transparent;
  color: var(--text-light);
  text-align: center;
  outline: none;
}

input:focus {
  border-color: var(--neon-green);
  box-shadow: 0 0 8px rgba(0, 255, 156, 0.3);
}

button {
  width: 100%;
  padding: 10px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-green));
  border: none;
  border-radius: 8px;
  color: #000;
  font-weight: bold;
  margin-top: 10px;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  box-shadow: 0 0 15px var(--neon-green);
  transform: scale(1.03);
}

#msg {
  margin-top: 10px;
  font-size: 0.9rem;
}