body { 
  font-family: monospace; 
  background: #111; 
  color: #eee; 
  padding: 20px; 
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
}

.container {
  background: #222;
  padding: 30px;
  border-radius: 8px;
  border: 1px solid #444;
  width: 100%;
  max-width: 400px;
}

h1 { 
  text-align: center; 
  color: #6f6;
  margin-top: 0;
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  color: #ccc;
}

input[type=text], input[type=password] { 
  width: 100%; 
  padding: 10px; 
  background: #333;
  border: 1px solid #444;
  color: #eee;
  box-sizing: border-box;
  font-family: monospace;
}

input[type=text]:focus, input[type=password]:focus {
  outline: none;
  border-color: #6f6;
}

button { 
  width: 100%;
  padding: 10px; 
  background: #6f6;
  border: none;
  color: #111;
  font-weight: bold;
  cursor: pointer;
  font-family: monospace;
  margin-top: 10px;
}

button:hover {
  background: #5e5;
}

.register-btn {
  background: #444;
  color: #eee;
}

.register-btn:hover {
  background: #555;
}

.flash-messages {
  margin-bottom: 20px;
}

.flash-message {
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.flash-error {
  background: #522;
  border: 1px solid #f44;
  color: #faa;
}

.flash-success {
  background: #252;
  border: 1px solid #4f4;
  color: #afa;
}

.flash-info {
  background: #225;
  border: 1px solid #44f;
  color: #aaf;
}

.form-toggle {
  text-align: center;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #444;
}

.form-toggle p {
  color: #999;
  margin: 5px 0;
}