:root {
  --primary: #1e3a8a;
  --secondary: #f59e0b;
  --dark: #172554;
  --light: #f8fafc;
  --gray: #64748b;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--light);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

.register-container {
  background: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  max-width: 450px;
  width: 100%;
}

.register-form h2 {
  text-align: center;
  margin-bottom: 20px;
  color: var(--dark);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--dark);
}

.form-group i {
  margin-right: 8px;
  color: var(--primary);
}

.form-group input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1rem;
}

.form-options {
  font-size: 0.9rem;
  margin-bottom: 15px;
}

.form-options a {
  text-decoration: none;
  color: var(--primary);
}

.error-message {
  color: red;
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.btn-register {
  width: 100%;
  background-color: var(--secondary);
  color: var(--dark);
  padding: 12px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.btn-register:hover {
  background-color: #e67e22;
}

.login-link {
  text-align: center;
  margin-top: 20px;
  font-size: 0.9rem;
}

.login-link a {
  color: var(--primary);
  text-decoration: none;
}