body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #121212;
  margin: 0;
  padding: 0;
  color: #e0e0e0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background: #1e1e1e;
  padding: 30px;
  border-radius: 14px;
  box-shadow: 0 6px 25px rgba(0,0,0,0.6);
  width: 100%;
  max-width: 400px;
}

h1 {
  text-align: center;
  color: #00ff88;
  margin-bottom: 20px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

input {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #333;
  font-size: 14px;
  background: #2b2b2b;
  color: #f1f1f1;
  outline: none;
  transition: border 0.2s;
}

input:focus {
  border: 1px solid #00ff88;
}

button {
  background: #00ff88;
  color: #121212;
  border: none;
  padding: 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.25s ease;
  font-size: 15px;
  font-weight: bold;
}

button:hover {
  background: #00cc6a;
  transform: translateY(-2px);
}

p {
  text-align: center;
  margin-top: 20px;
}

a {
  color: #00ff88;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

#register-form {
  display: none;
}

.form-toggle {
  text-align: center;
  margin-top: 15px;
  cursor: pointer;
  color: #00ff88;
}