body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  color: white;
}

.container {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(15px);
  padding: 35px;
  border-radius: 20px;
  width: 420px;
  box-shadow: 0 15px 40px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.1);
}

h1 {
  text-align: center;
  background: linear-gradient(90deg, #22d3ee, #4ade80);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  text-align: center;
  font-size: 14px;
  opacity: 0.7;
}

form {
  display: flex;
  flex-direction: column;
  margin-top: 20px;
}

input[type="password"] {
  padding: 10px;
  margin-bottom: 15px;
  border-radius: 8px;
  border: none;
}

label {
  margin-bottom: 10px;
  font-size: 14px;
}

button {
  margin-top: 15px;
  padding: 10px;
  border: none;
  border-radius: 8px;
  background: #22d3ee;
  color: black;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

button:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 20px rgba(34,211,238,0.4);
}

.progress {
  width: 100%;
  height: 15px;
  background: #1f2937;
  border-radius: 10px;
  overflow: hidden;
  margin: 15px 0;
}

#progressBar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #22d3ee, #4ade80);
  transition: width 1s ease-in-out;
}

.hidden {
  display: none;
}

.footer {
  margin-top: 20px;
  font-size: 13px;
  opacity: 0.7;
}

.footer a {
  text-decoration: none;
  font-weight: bold;
  color: #22d3ee;
}

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

@media (max-width: 480px) {
  .container {
    width: 90%;
  }
}