body {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-box {
  background: white;
  border-radius: 10px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.login-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 30px 20px;
  text-align: center;
}

.login-header h2 {
  margin: 0 0 10px 0;
  font-size: 28px;
  font-weight: 300;
}

.login-header p {
  margin: 0;
  opacity: 0.9;
  font-size: 14px;
}

.login-form {
  padding: 30px 20px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #555;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e1e5e9;
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn-login {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.login-footer {
  background: #f8f9fa;
  padding: 15px 20px;
  text-align: center;
  border-top: 1px solid #e1e5e9;
}

.login-footer p {
  margin: 0;
  color: #6c757d;
  font-size: 12px;
}

.alert {
  margin-bottom: 20px;
  padding: 12px 15px;
  border-radius: 6px;
  font-size: 14px;
}

.alert-error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}