body {
  background: linear-gradient(to bottom, #0d0d0d, #1a1a1a);
  font-family: 'Roboto Mono', monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.signup-container {
  background-color: #111;
  padding: 2.5rem;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(255, 76, 41, 0.15);
  width: 100%;
  max-width: 450px;
  color: #f4f4f4;
}

h2 {
  text-align: center;
  color: #ff4c29;
  margin-bottom: 2rem;
}

label {
  display: block;
  margin: 1rem 0 0.3rem;
  color: #ccc;
}

input {
  width: 100%;
  padding: 0.8rem;
  border-radius: 5px;
  border: 1px solid #444;
  background-color: #222;
  color: #fff;
  font-size: 1rem;
}

input:focus {
  border-color: #ff4c29;
  outline: none;
}

button {
  margin-top: 1.5rem;
  width: 100%;
  background-color: #ff4c29;
  color: white;
  border: none;
  padding: 1rem;
  font-size: 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background-color: #e63e1d;
}

#error-message {
  color: #ff4c29;
  margin-top: 1rem;
  text-align: center;
  font-size: 0.9rem;
}