body {
  font-family: 'Segoe UI', sans-serif;
  background: #0f172a;
  color: #d0faff;
  margin: 0;
  padding: 0;
}

/* Core layout containers */
.container, .login-box, .warning-box {
  max-width: 600px;
  width: 90%;
  margin: 30px auto;
  background: #111827;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,255,255,0.1);
}

h1, h2 {
  color: #00f7ff;
  font-size: 1.5rem;
  text-align: center;
}

/* List spacing */
ul {
  padding-left: 20px;
}

/* Buttons */
.btn {
  background: #00f7ff;
  color: #000;
  padding: 10px 20px;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 20px;
  width: 100%;
}

/* Inputs */
input[type="text"],
input[type="password"] {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
  border-radius: 6px;
  border: 1px solid #333;
  background: #1f2937;
  color: #d0faff;
  font-size: 1rem;
}

/* Note text */
.note {
  margin-top: 15px;
  font-size: 0.9em;
  color: #888;
  text-align: center;
}

/* Responsive adjustments */
@media (max-width: 480px) {
  .container, .login-box, .warning-box {
    padding: 15px;
    margin: 20px auto;
  }

  h1, h2 {
    font-size: 1.2rem;
  }

  .btn {
    padding: 10px;
    font-size: 1rem;
  }

  input[type="text"],
  input[type="password"] {
    font-size: 1rem;
    padding: 8px;
  }
}