/* Professional Dark Cybersecurity Theme */
body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #121417;
  color: #e0e0e0;
  padding: 30px;
}

.page {
  max-width: 600px;
  margin: auto;
  background-color: #1e2228;
  padding: 30px 40px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.7);
  border: 1px solid #2c313a;
}

h1, h2 {
  color: #4db6ac;
  margin-bottom: 15px;
  font-weight: 600;
}

ul, ol {
  padding-left: 20px;
  margin-bottom: 20px;
  color: #a5d6a7;
}

button {
  padding: 12px 25px;
  background-color: #4db6ac;
  color: #121417;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #399786;
  color: #e0e0e0;
}

.login-box,
.otp-box {
  background-color: #2c313a;
  padding: 40px;
  width: 350px;
  border-radius: 8px;
  text-align: center;
  margin: 20px auto 0;
  color: #d0d7de;
  border: 1px solid #444c56;
}

input {
  width: 100%;
  padding: 12px;
  margin-bottom: 20px;
  border: 1px solid #4db6ac;
  border-radius: 6px;
  font-size: 16px;
  background-color: #1e2228;
  color: #d0d7de;
  font-weight: 500;
  transition: border-color 0.3s ease;
}

input::placeholder {
  color: #7a8a91;
}

input:focus {
  border-color: #399786;
  outline: none;
  box-shadow: 0 0 8px rgba(61, 151, 134, 0.7);
}

.message-box {
  margin-top: 20px;
  text-align: center;
  font-weight: 600;
  font-size: 1.1rem;
  color: #4db6ac;
  user-select: none;
}

/* ✅ Responsive Design for Mobile */
@media screen and (max-width: 480px) {
  body {
    padding: 15px;
  }

  .page {
    padding: 20px;
  }

  .login-box,
  .otp-box {
    width: 100%;
    padding: 25px;
    margin-top: 15px;
  }

  button {
    padding: 10px 20px;
    font-size: 15px;
  }

  input {
    font-size: 15px;
    padding: 10px;
  }

  h1, h2 {
    font-size: 1.4rem;
    text-align: center;
  }

  .message-box {
    font-size: 1rem;
  }
}