* {
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

body {
  background: url('https://images.unsplash.com/photo-1507842217343-583bb7270b66?auto=format&fit=crop&w=1200&q=80') no-repeat center center fixed;
  background-size: cover;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.container {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 30px;
  width: 90%;
  max-width: 550px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  color: #fff;
}

h1, h3 {
  text-align: center;
  margin-bottom: 20px;
}

form label {
  display: block;
  margin-top: 15px;
}

form input {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border: none;
  border-radius: 10px;
  background: rgba(255,255,255,0.2);
  color: #fff;
}

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

.admin-group {
  margin-top: 25px;
  border-top: 1px solid rgba(255,255,255,0.2);
  padding-top: 15px;
}

button {
  margin-top: 30px;
  width: 100%;
  padding: 12px;
  border: none;
  background: rgba(255,255,255,0.3);
  color: #fff;
  border-radius: 12px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background: rgba(255,255,255,0.45);
}

#status {
  text-align: center;
  font-weight: bold;
}